Changes between Initial Version and Version 1 of Ticket #10077


Ignore:
Timestamp:
Oct 27, 2023, 12:53:35 PM (2 years ago)
Author:
Eric Pettersen
Comment:

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  • Ticket #10077

    • Property Cc Tom Goddard added
    • Property Component Unassigned → Core
    • Property Owner set to Eric Pettersen
    • Property Platform → all
    • Property Project → ChimeraX
    • Property Status new → accepted
    • Property Summary ChimeraX bug report submission → exception: access violation reading pointers

  • Ticket #10077 – Description

    initial v1  
    25292529See log for complete Python traceback. 
    25302530 
    2531 Traceback (most recent call last): 
    2532 File "C:\Program Files\ChimeraX\bin\lib\site-
    2533 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    2534 self.session.ui.mouse_modes.mouse_pause_tracking() 
    2535 File "C:\Program Files\ChimeraX\bin\lib\site-
    2536 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    2537 mouse_pause_tracking 
    2538 self._mouse_pause() 
    2539 File "C:\Program Files\ChimeraX\bin\lib\site-
    2540 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    2541 m.pause(self._mouse_pause_position) 
    2542 File "C:\Program Files\ChimeraX\bin\lib\site-
    2543 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    2544 p = self.view.picked_object(x, y) 
    2545 File "C:\Program Files\ChimeraX\bin\lib\site-
    2546 packages\chimerax\graphics\view.py", line 817, in picked_object 
    2547 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    2548 beyond, 
    2549 File "C:\Program Files\ChimeraX\bin\lib\site-
    2550 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    2551 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    2552 File "C:\Program Files\ChimeraX\bin\lib\site-
    2553 packages\chimerax\core\models.py", line 126, in first_intercept 
    2554 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2555 File "C:\Program Files\ChimeraX\bin\lib\site-
    2556 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2557 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2558 exclude=exclude) 
    2559 File "C:\Program Files\ChimeraX\bin\lib\site-
    2560 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2561 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2562 File "C:\Program Files\ChimeraX\bin\lib\site-
    2563 packages\chimerax\core\models.py", line 126, in first_intercept 
    2564 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2565 File "C:\Program Files\ChimeraX\bin\lib\site-
    2566 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2567 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2568 exclude=exclude) 
    2569 File "C:\Program Files\ChimeraX\bin\lib\site-
    2570 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2571 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2572 File "C:\Program Files\ChimeraX\bin\lib\site-
    2573 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    2574 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    2575 File "C:\Program Files\ChimeraX\bin\lib\site-
    2576 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    2577 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    2578 File "C:\Program Files\ChimeraX\bin\lib\site-
    2579 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    2580 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    2581 File "C:\Program Files\ChimeraX\bin\lib\site-
    2582 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    2583 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    2584 File "C:\Program Files\ChimeraX\bin\lib\site-
    2585 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2586 cget(self._c_pointers, n, pointer(values)) 
    2587 OSError: exception: access violation reading 0x0000000000041468 
    2588  
    2589 OSError: exception: access violation reading 0x0000000000041468 
    2590  
    2591 File "C:\Program Files\ChimeraX\bin\lib\site-
    2592 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2593 cget(self._c_pointers, n, pointer(values)) 
    2594  
    2595 See log for complete Python traceback. 
    2596  
    2597 Traceback (most recent call last): 
    2598 File "C:\Program Files\ChimeraX\bin\lib\site-
    2599 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    2600 self.session.ui.mouse_modes.mouse_pause_tracking() 
    2601 File "C:\Program Files\ChimeraX\bin\lib\site-
    2602 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    2603 mouse_pause_tracking 
    2604 self._mouse_pause() 
    2605 File "C:\Program Files\ChimeraX\bin\lib\site-
    2606 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    2607 m.pause(self._mouse_pause_position) 
    2608 File "C:\Program Files\ChimeraX\bin\lib\site-
    2609 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    2610 p = self.view.picked_object(x, y) 
    2611 File "C:\Program Files\ChimeraX\bin\lib\site-
    2612 packages\chimerax\graphics\view.py", line 817, in picked_object 
    2613 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    2614 beyond, 
    2615 File "C:\Program Files\ChimeraX\bin\lib\site-
    2616 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    2617 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    2618 File "C:\Program Files\ChimeraX\bin\lib\site-
    2619 packages\chimerax\core\models.py", line 126, in first_intercept 
    2620 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2621 File "C:\Program Files\ChimeraX\bin\lib\site-
    2622 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2623 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2624 exclude=exclude) 
    2625 File "C:\Program Files\ChimeraX\bin\lib\site-
    2626 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2627 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2628 File "C:\Program Files\ChimeraX\bin\lib\site-
    2629 packages\chimerax\core\models.py", line 126, in first_intercept 
    2630 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2631 File "C:\Program Files\ChimeraX\bin\lib\site-
    2632 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2633 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2634 exclude=exclude) 
    2635 File "C:\Program Files\ChimeraX\bin\lib\site-
    2636 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2637 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2638 File "C:\Program Files\ChimeraX\bin\lib\site-
    2639 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    2640 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    2641 File "C:\Program Files\ChimeraX\bin\lib\site-
    2642 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    2643 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    2644 File "C:\Program Files\ChimeraX\bin\lib\site-
    2645 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    2646 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    2647 File "C:\Program Files\ChimeraX\bin\lib\site-
    2648 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    2649 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    2650 File "C:\Program Files\ChimeraX\bin\lib\site-
    2651 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2652 cget(self._c_pointers, n, pointer(values)) 
    2653 OSError: exception: access violation reading 0x0000000000041468 
    2654  
    2655 OSError: exception: access violation reading 0x0000000000041468 
    2656  
    2657 File "C:\Program Files\ChimeraX\bin\lib\site-
    2658 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2659 cget(self._c_pointers, n, pointer(values)) 
    2660  
    2661 See log for complete Python traceback. 
    2662  
    2663 Traceback (most recent call last): 
    2664 File "C:\Program Files\ChimeraX\bin\lib\site-
    2665 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    2666 self.session.ui.mouse_modes.mouse_pause_tracking() 
    2667 File "C:\Program Files\ChimeraX\bin\lib\site-
    2668 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    2669 mouse_pause_tracking 
    2670 self._mouse_pause() 
    2671 File "C:\Program Files\ChimeraX\bin\lib\site-
    2672 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    2673 m.pause(self._mouse_pause_position) 
    2674 File "C:\Program Files\ChimeraX\bin\lib\site-
    2675 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    2676 p = self.view.picked_object(x, y) 
    2677 File "C:\Program Files\ChimeraX\bin\lib\site-
    2678 packages\chimerax\graphics\view.py", line 817, in picked_object 
    2679 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    2680 beyond, 
    2681 File "C:\Program Files\ChimeraX\bin\lib\site-
    2682 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    2683 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    2684 File "C:\Program Files\ChimeraX\bin\lib\site-
    2685 packages\chimerax\core\models.py", line 126, in first_intercept 
    2686 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2687 File "C:\Program Files\ChimeraX\bin\lib\site-
    2688 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2689 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2690 exclude=exclude) 
    2691 File "C:\Program Files\ChimeraX\bin\lib\site-
    2692 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2693 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2694 File "C:\Program Files\ChimeraX\bin\lib\site-
    2695 packages\chimerax\core\models.py", line 126, in first_intercept 
    2696 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2697 File "C:\Program Files\ChimeraX\bin\lib\site-
    2698 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2699 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2700 exclude=exclude) 
    2701 File "C:\Program Files\ChimeraX\bin\lib\site-
    2702 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2703 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2704 File "C:\Program Files\ChimeraX\bin\lib\site-
    2705 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    2706 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    2707 File "C:\Program Files\ChimeraX\bin\lib\site-
    2708 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    2709 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    2710 File "C:\Program Files\ChimeraX\bin\lib\site-
    2711 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    2712 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    2713 File "C:\Program Files\ChimeraX\bin\lib\site-
    2714 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    2715 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    2716 File "C:\Program Files\ChimeraX\bin\lib\site-
    2717 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2718 cget(self._c_pointers, n, pointer(values)) 
    2719 OSError: exception: access violation reading 0x0000000000041468 
    2720  
    2721 OSError: exception: access violation reading 0x0000000000041468 
    2722  
    2723 File "C:\Program Files\ChimeraX\bin\lib\site-
    2724 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2725 cget(self._c_pointers, n, pointer(values)) 
    2726  
    2727 See log for complete Python traceback. 
    2728  
    2729 Traceback (most recent call last): 
    2730 File "C:\Program Files\ChimeraX\bin\lib\site-
    2731 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    2732 self.session.ui.mouse_modes.mouse_pause_tracking() 
    2733 File "C:\Program Files\ChimeraX\bin\lib\site-
    2734 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    2735 mouse_pause_tracking 
    2736 self._mouse_pause() 
    2737 File "C:\Program Files\ChimeraX\bin\lib\site-
    2738 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    2739 m.pause(self._mouse_pause_position) 
    2740 File "C:\Program Files\ChimeraX\bin\lib\site-
    2741 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    2742 p = self.view.picked_object(x, y) 
    2743 File "C:\Program Files\ChimeraX\bin\lib\site-
    2744 packages\chimerax\graphics\view.py", line 817, in picked_object 
    2745 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    2746 beyond, 
    2747 File "C:\Program Files\ChimeraX\bin\lib\site-
    2748 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    2749 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    2750 File "C:\Program Files\ChimeraX\bin\lib\site-
    2751 packages\chimerax\core\models.py", line 126, in first_intercept 
    2752 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2753 File "C:\Program Files\ChimeraX\bin\lib\site-
    2754 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2755 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2756 exclude=exclude) 
    2757 File "C:\Program Files\ChimeraX\bin\lib\site-
    2758 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2759 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2760 File "C:\Program Files\ChimeraX\bin\lib\site-
    2761 packages\chimerax\core\models.py", line 126, in first_intercept 
    2762 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2763 File "C:\Program Files\ChimeraX\bin\lib\site-
    2764 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2765 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2766 exclude=exclude) 
    2767 File "C:\Program Files\ChimeraX\bin\lib\site-
    2768 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2769 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2770 File "C:\Program Files\ChimeraX\bin\lib\site-
    2771 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    2772 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    2773 File "C:\Program Files\ChimeraX\bin\lib\site-
    2774 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    2775 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    2776 File "C:\Program Files\ChimeraX\bin\lib\site-
    2777 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    2778 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    2779 File "C:\Program Files\ChimeraX\bin\lib\site-
    2780 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    2781 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    2782 File "C:\Program Files\ChimeraX\bin\lib\site-
    2783 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2784 cget(self._c_pointers, n, pointer(values)) 
    2785 OSError: exception: access violation reading 0x0000000000041468 
    2786  
    2787 OSError: exception: access violation reading 0x0000000000041468 
    2788  
    2789 File "C:\Program Files\ChimeraX\bin\lib\site-
    2790 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2791 cget(self._c_pointers, n, pointer(values)) 
    2792  
    2793 See log for complete Python traceback. 
    2794  
    2795 Traceback (most recent call last): 
    2796 File "C:\Program Files\ChimeraX\bin\lib\site-
    2797 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    2798 self.session.ui.mouse_modes.mouse_pause_tracking() 
    2799 File "C:\Program Files\ChimeraX\bin\lib\site-
    2800 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    2801 mouse_pause_tracking 
    2802 self._mouse_pause() 
    2803 File "C:\Program Files\ChimeraX\bin\lib\site-
    2804 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    2805 m.pause(self._mouse_pause_position) 
    2806 File "C:\Program Files\ChimeraX\bin\lib\site-
    2807 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    2808 p = self.view.picked_object(x, y) 
    2809 File "C:\Program Files\ChimeraX\bin\lib\site-
    2810 packages\chimerax\graphics\view.py", line 817, in picked_object 
    2811 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    2812 beyond, 
    2813 File "C:\Program Files\ChimeraX\bin\lib\site-
    2814 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    2815 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    2816 File "C:\Program Files\ChimeraX\bin\lib\site-
    2817 packages\chimerax\core\models.py", line 126, in first_intercept 
    2818 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2819 File "C:\Program Files\ChimeraX\bin\lib\site-
    2820 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2821 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2822 exclude=exclude) 
    2823 File "C:\Program Files\ChimeraX\bin\lib\site-
    2824 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2825 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2826 File "C:\Program Files\ChimeraX\bin\lib\site-
    2827 packages\chimerax\core\models.py", line 126, in first_intercept 
    2828 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2829 File "C:\Program Files\ChimeraX\bin\lib\site-
    2830 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2831 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2832 exclude=exclude) 
    2833 File "C:\Program Files\ChimeraX\bin\lib\site-
    2834 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2835 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2836 File "C:\Program Files\ChimeraX\bin\lib\site-
    2837 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    2838 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    2839 File "C:\Program Files\ChimeraX\bin\lib\site-
    2840 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    2841 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    2842 File "C:\Program Files\ChimeraX\bin\lib\site-
    2843 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    2844 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    2845 File "C:\Program Files\ChimeraX\bin\lib\site-
    2846 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    2847 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    2848 File "C:\Program Files\ChimeraX\bin\lib\site-
    2849 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2850 cget(self._c_pointers, n, pointer(values)) 
    2851 OSError: exception: access violation reading 0x0000000000041468 
    2852  
    2853 OSError: exception: access violation reading 0x0000000000041468 
    2854  
    2855 File "C:\Program Files\ChimeraX\bin\lib\site-
    2856 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2857 cget(self._c_pointers, n, pointer(values)) 
    2858  
    2859 See log for complete Python traceback. 
    2860  
    2861 Traceback (most recent call last): 
    2862 File "C:\Program Files\ChimeraX\bin\lib\site-
    2863 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    2864 self.session.ui.mouse_modes.mouse_pause_tracking() 
    2865 File "C:\Program Files\ChimeraX\bin\lib\site-
    2866 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    2867 mouse_pause_tracking 
    2868 self._mouse_pause() 
    2869 File "C:\Program Files\ChimeraX\bin\lib\site-
    2870 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    2871 m.pause(self._mouse_pause_position) 
    2872 File "C:\Program Files\ChimeraX\bin\lib\site-
    2873 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    2874 p = self.view.picked_object(x, y) 
    2875 File "C:\Program Files\ChimeraX\bin\lib\site-
    2876 packages\chimerax\graphics\view.py", line 817, in picked_object 
    2877 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    2878 beyond, 
    2879 File "C:\Program Files\ChimeraX\bin\lib\site-
    2880 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    2881 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    2882 File "C:\Program Files\ChimeraX\bin\lib\site-
    2883 packages\chimerax\core\models.py", line 126, in first_intercept 
    2884 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2885 File "C:\Program Files\ChimeraX\bin\lib\site-
    2886 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2887 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2888 exclude=exclude) 
    2889 File "C:\Program Files\ChimeraX\bin\lib\site-
    2890 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2891 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2892 File "C:\Program Files\ChimeraX\bin\lib\site-
    2893 packages\chimerax\core\models.py", line 126, in first_intercept 
    2894 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2895 File "C:\Program Files\ChimeraX\bin\lib\site-
    2896 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2897 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2898 exclude=exclude) 
    2899 File "C:\Program Files\ChimeraX\bin\lib\site-
    2900 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2901 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2902 File "C:\Program Files\ChimeraX\bin\lib\site-
    2903 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    2904 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    2905 File "C:\Program Files\ChimeraX\bin\lib\site-
    2906 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    2907 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    2908 File "C:\Program Files\ChimeraX\bin\lib\site-
    2909 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    2910 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    2911 File "C:\Program Files\ChimeraX\bin\lib\site-
    2912 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    2913 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    2914 File "C:\Program Files\ChimeraX\bin\lib\site-
    2915 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2916 cget(self._c_pointers, n, pointer(values)) 
    2917 OSError: exception: access violation reading 0x0000000000041468 
    2918  
    2919 OSError: exception: access violation reading 0x0000000000041468 
    2920  
    2921 File "C:\Program Files\ChimeraX\bin\lib\site-
    2922 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2923 cget(self._c_pointers, n, pointer(values)) 
    2924  
    2925 See log for complete Python traceback. 
    2926  
    2927 Traceback (most recent call last): 
    2928 File "C:\Program Files\ChimeraX\bin\lib\site-
    2929 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    2930 self.session.ui.mouse_modes.mouse_pause_tracking() 
    2931 File "C:\Program Files\ChimeraX\bin\lib\site-
    2932 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    2933 mouse_pause_tracking 
    2934 self._mouse_pause() 
    2935 File "C:\Program Files\ChimeraX\bin\lib\site-
    2936 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    2937 m.pause(self._mouse_pause_position) 
    2938 File "C:\Program Files\ChimeraX\bin\lib\site-
    2939 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    2940 p = self.view.picked_object(x, y) 
    2941 File "C:\Program Files\ChimeraX\bin\lib\site-
    2942 packages\chimerax\graphics\view.py", line 817, in picked_object 
    2943 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    2944 beyond, 
    2945 File "C:\Program Files\ChimeraX\bin\lib\site-
    2946 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    2947 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    2948 File "C:\Program Files\ChimeraX\bin\lib\site-
    2949 packages\chimerax\core\models.py", line 126, in first_intercept 
    2950 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2951 File "C:\Program Files\ChimeraX\bin\lib\site-
    2952 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2953 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2954 exclude=exclude) 
    2955 File "C:\Program Files\ChimeraX\bin\lib\site-
    2956 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2957 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2958 File "C:\Program Files\ChimeraX\bin\lib\site-
    2959 packages\chimerax\core\models.py", line 126, in first_intercept 
    2960 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    2961 File "C:\Program Files\ChimeraX\bin\lib\site-
    2962 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    2963 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    2964 exclude=exclude) 
    2965 File "C:\Program Files\ChimeraX\bin\lib\site-
    2966 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    2967 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    2968 File "C:\Program Files\ChimeraX\bin\lib\site-
    2969 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    2970 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    2971 File "C:\Program Files\ChimeraX\bin\lib\site-
    2972 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    2973 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    2974 File "C:\Program Files\ChimeraX\bin\lib\site-
    2975 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    2976 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    2977 File "C:\Program Files\ChimeraX\bin\lib\site-
    2978 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    2979 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    2980 File "C:\Program Files\ChimeraX\bin\lib\site-
    2981 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2982 cget(self._c_pointers, n, pointer(values)) 
    2983 OSError: exception: access violation reading 0x0000000000041468 
    2984  
    2985 OSError: exception: access violation reading 0x0000000000041468 
    2986  
    2987 File "C:\Program Files\ChimeraX\bin\lib\site-
    2988 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    2989 cget(self._c_pointers, n, pointer(values)) 
    2990  
    2991 See log for complete Python traceback. 
    2992  
    2993 Traceback (most recent call last): 
    2994 File "C:\Program Files\ChimeraX\bin\lib\site-
    2995 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    2996 self.session.ui.mouse_modes.mouse_pause_tracking() 
    2997 File "C:\Program Files\ChimeraX\bin\lib\site-
    2998 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    2999 mouse_pause_tracking 
    3000 self._mouse_pause() 
    3001 File "C:\Program Files\ChimeraX\bin\lib\site-
    3002 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3003 m.pause(self._mouse_pause_position) 
    3004 File "C:\Program Files\ChimeraX\bin\lib\site-
    3005 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3006 p = self.view.picked_object(x, y) 
    3007 File "C:\Program Files\ChimeraX\bin\lib\site-
    3008 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3009 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3010 beyond, 
    3011 File "C:\Program Files\ChimeraX\bin\lib\site-
    3012 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3013 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3014 File "C:\Program Files\ChimeraX\bin\lib\site-
    3015 packages\chimerax\core\models.py", line 126, in first_intercept 
    3016 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3017 File "C:\Program Files\ChimeraX\bin\lib\site-
    3018 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3019 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3020 exclude=exclude) 
    3021 File "C:\Program Files\ChimeraX\bin\lib\site-
    3022 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3023 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3024 File "C:\Program Files\ChimeraX\bin\lib\site-
    3025 packages\chimerax\core\models.py", line 126, in first_intercept 
    3026 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3027 File "C:\Program Files\ChimeraX\bin\lib\site-
    3028 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3029 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3030 exclude=exclude) 
    3031 File "C:\Program Files\ChimeraX\bin\lib\site-
    3032 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3033 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3034 File "C:\Program Files\ChimeraX\bin\lib\site-
    3035 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3036 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3037 File "C:\Program Files\ChimeraX\bin\lib\site-
    3038 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3039 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3040 File "C:\Program Files\ChimeraX\bin\lib\site-
    3041 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3042 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3043 File "C:\Program Files\ChimeraX\bin\lib\site-
    3044 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3045 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3046 File "C:\Program Files\ChimeraX\bin\lib\site-
    3047 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3048 cget(self._c_pointers, n, pointer(values)) 
    3049 OSError: exception: access violation reading 0x0000000000041468 
    3050  
    3051 OSError: exception: access violation reading 0x0000000000041468 
    3052  
    3053 File "C:\Program Files\ChimeraX\bin\lib\site-
    3054 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3055 cget(self._c_pointers, n, pointer(values)) 
    3056  
    3057 See log for complete Python traceback. 
    3058  
    3059 Traceback (most recent call last): 
    3060 File "C:\Program Files\ChimeraX\bin\lib\site-
    3061 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3062 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3063 File "C:\Program Files\ChimeraX\bin\lib\site-
    3064 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3065 mouse_pause_tracking 
    3066 self._mouse_pause() 
    3067 File "C:\Program Files\ChimeraX\bin\lib\site-
    3068 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3069 m.pause(self._mouse_pause_position) 
    3070 File "C:\Program Files\ChimeraX\bin\lib\site-
    3071 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3072 p = self.view.picked_object(x, y) 
    3073 File "C:\Program Files\ChimeraX\bin\lib\site-
    3074 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3075 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3076 beyond, 
    3077 File "C:\Program Files\ChimeraX\bin\lib\site-
    3078 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3079 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3080 File "C:\Program Files\ChimeraX\bin\lib\site-
    3081 packages\chimerax\core\models.py", line 126, in first_intercept 
    3082 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3083 File "C:\Program Files\ChimeraX\bin\lib\site-
    3084 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3085 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3086 exclude=exclude) 
    3087 File "C:\Program Files\ChimeraX\bin\lib\site-
    3088 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3089 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3090 File "C:\Program Files\ChimeraX\bin\lib\site-
    3091 packages\chimerax\core\models.py", line 126, in first_intercept 
    3092 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3093 File "C:\Program Files\ChimeraX\bin\lib\site-
    3094 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3095 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3096 exclude=exclude) 
    3097 File "C:\Program Files\ChimeraX\bin\lib\site-
    3098 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3099 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3100 File "C:\Program Files\ChimeraX\bin\lib\site-
    3101 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3102 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3103 File "C:\Program Files\ChimeraX\bin\lib\site-
    3104 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3105 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3106 File "C:\Program Files\ChimeraX\bin\lib\site-
    3107 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3108 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3109 File "C:\Program Files\ChimeraX\bin\lib\site-
    3110 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3111 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3112 File "C:\Program Files\ChimeraX\bin\lib\site-
    3113 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3114 cget(self._c_pointers, n, pointer(values)) 
    3115 OSError: exception: access violation reading 0x0000000000041468 
    3116  
    3117 OSError: exception: access violation reading 0x0000000000041468 
    3118  
    3119 File "C:\Program Files\ChimeraX\bin\lib\site-
    3120 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3121 cget(self._c_pointers, n, pointer(values)) 
    3122  
    3123 See log for complete Python traceback. 
    3124  
    3125 Traceback (most recent call last): 
    3126 File "C:\Program Files\ChimeraX\bin\lib\site-
    3127 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3128 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3129 File "C:\Program Files\ChimeraX\bin\lib\site-
    3130 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3131 mouse_pause_tracking 
    3132 self._mouse_pause() 
    3133 File "C:\Program Files\ChimeraX\bin\lib\site-
    3134 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3135 m.pause(self._mouse_pause_position) 
    3136 File "C:\Program Files\ChimeraX\bin\lib\site-
    3137 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3138 p = self.view.picked_object(x, y) 
    3139 File "C:\Program Files\ChimeraX\bin\lib\site-
    3140 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3141 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3142 beyond, 
    3143 File "C:\Program Files\ChimeraX\bin\lib\site-
    3144 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3145 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3146 File "C:\Program Files\ChimeraX\bin\lib\site-
    3147 packages\chimerax\core\models.py", line 126, in first_intercept 
    3148 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3149 File "C:\Program Files\ChimeraX\bin\lib\site-
    3150 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3151 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3152 exclude=exclude) 
    3153 File "C:\Program Files\ChimeraX\bin\lib\site-
    3154 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3155 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3156 File "C:\Program Files\ChimeraX\bin\lib\site-
    3157 packages\chimerax\core\models.py", line 126, in first_intercept 
    3158 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3159 File "C:\Program Files\ChimeraX\bin\lib\site-
    3160 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3161 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3162 exclude=exclude) 
    3163 File "C:\Program Files\ChimeraX\bin\lib\site-
    3164 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3165 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3166 File "C:\Program Files\ChimeraX\bin\lib\site-
    3167 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3168 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3169 File "C:\Program Files\ChimeraX\bin\lib\site-
    3170 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3171 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3172 File "C:\Program Files\ChimeraX\bin\lib\site-
    3173 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3174 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3175 File "C:\Program Files\ChimeraX\bin\lib\site-
    3176 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3177 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3178 File "C:\Program Files\ChimeraX\bin\lib\site-
    3179 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3180 cget(self._c_pointers, n, pointer(values)) 
    3181 OSError: exception: access violation reading 0x0000000000041468 
    3182  
    3183 OSError: exception: access violation reading 0x0000000000041468 
    3184  
    3185 File "C:\Program Files\ChimeraX\bin\lib\site-
    3186 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3187 cget(self._c_pointers, n, pointer(values)) 
    3188  
    3189 See log for complete Python traceback. 
    3190  
    3191 Traceback (most recent call last): 
    3192 File "C:\Program Files\ChimeraX\bin\lib\site-
    3193 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3194 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3195 File "C:\Program Files\ChimeraX\bin\lib\site-
    3196 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3197 mouse_pause_tracking 
    3198 self._mouse_pause() 
    3199 File "C:\Program Files\ChimeraX\bin\lib\site-
    3200 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3201 m.pause(self._mouse_pause_position) 
    3202 File "C:\Program Files\ChimeraX\bin\lib\site-
    3203 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3204 p = self.view.picked_object(x, y) 
    3205 File "C:\Program Files\ChimeraX\bin\lib\site-
    3206 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3207 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3208 beyond, 
    3209 File "C:\Program Files\ChimeraX\bin\lib\site-
    3210 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3211 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3212 File "C:\Program Files\ChimeraX\bin\lib\site-
    3213 packages\chimerax\core\models.py", line 126, in first_intercept 
    3214 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3215 File "C:\Program Files\ChimeraX\bin\lib\site-
    3216 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3217 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3218 exclude=exclude) 
    3219 File "C:\Program Files\ChimeraX\bin\lib\site-
    3220 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3221 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3222 File "C:\Program Files\ChimeraX\bin\lib\site-
    3223 packages\chimerax\core\models.py", line 126, in first_intercept 
    3224 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3225 File "C:\Program Files\ChimeraX\bin\lib\site-
    3226 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3227 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3228 exclude=exclude) 
    3229 File "C:\Program Files\ChimeraX\bin\lib\site-
    3230 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3231 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3232 File "C:\Program Files\ChimeraX\bin\lib\site-
    3233 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3234 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3235 File "C:\Program Files\ChimeraX\bin\lib\site-
    3236 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3237 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3238 File "C:\Program Files\ChimeraX\bin\lib\site-
    3239 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3240 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3241 File "C:\Program Files\ChimeraX\bin\lib\site-
    3242 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3243 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3244 File "C:\Program Files\ChimeraX\bin\lib\site-
    3245 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3246 cget(self._c_pointers, n, pointer(values)) 
    3247 OSError: exception: access violation reading 0x0000000000041468 
    3248  
    3249 OSError: exception: access violation reading 0x0000000000041468 
    3250  
    3251 File "C:\Program Files\ChimeraX\bin\lib\site-
    3252 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3253 cget(self._c_pointers, n, pointer(values)) 
    3254  
    3255 See log for complete Python traceback. 
    3256  
    3257 Traceback (most recent call last): 
    3258 File "C:\Program Files\ChimeraX\bin\lib\site-
    3259 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3260 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3261 File "C:\Program Files\ChimeraX\bin\lib\site-
    3262 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3263 mouse_pause_tracking 
    3264 self._mouse_pause() 
    3265 File "C:\Program Files\ChimeraX\bin\lib\site-
    3266 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3267 m.pause(self._mouse_pause_position) 
    3268 File "C:\Program Files\ChimeraX\bin\lib\site-
    3269 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3270 p = self.view.picked_object(x, y) 
    3271 File "C:\Program Files\ChimeraX\bin\lib\site-
    3272 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3273 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3274 beyond, 
    3275 File "C:\Program Files\ChimeraX\bin\lib\site-
    3276 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3277 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3278 File "C:\Program Files\ChimeraX\bin\lib\site-
    3279 packages\chimerax\core\models.py", line 126, in first_intercept 
    3280 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3281 File "C:\Program Files\ChimeraX\bin\lib\site-
    3282 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3283 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3284 exclude=exclude) 
    3285 File "C:\Program Files\ChimeraX\bin\lib\site-
    3286 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3287 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3288 File "C:\Program Files\ChimeraX\bin\lib\site-
    3289 packages\chimerax\core\models.py", line 126, in first_intercept 
    3290 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3291 File "C:\Program Files\ChimeraX\bin\lib\site-
    3292 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3293 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3294 exclude=exclude) 
    3295 File "C:\Program Files\ChimeraX\bin\lib\site-
    3296 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3297 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3298 File "C:\Program Files\ChimeraX\bin\lib\site-
    3299 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3300 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3301 File "C:\Program Files\ChimeraX\bin\lib\site-
    3302 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3303 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3304 File "C:\Program Files\ChimeraX\bin\lib\site-
    3305 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3306 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3307 File "C:\Program Files\ChimeraX\bin\lib\site-
    3308 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3309 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3310 File "C:\Program Files\ChimeraX\bin\lib\site-
    3311 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3312 cget(self._c_pointers, n, pointer(values)) 
    3313 OSError: exception: access violation reading 0x0000000000041468 
    3314  
    3315 OSError: exception: access violation reading 0x0000000000041468 
    3316  
    3317 File "C:\Program Files\ChimeraX\bin\lib\site-
    3318 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3319 cget(self._c_pointers, n, pointer(values)) 
    3320  
    3321 See log for complete Python traceback. 
    3322  
    3323 Traceback (most recent call last): 
    3324 File "C:\Program Files\ChimeraX\bin\lib\site-
    3325 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3326 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3327 File "C:\Program Files\ChimeraX\bin\lib\site-
    3328 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3329 mouse_pause_tracking 
    3330 self._mouse_pause() 
    3331 File "C:\Program Files\ChimeraX\bin\lib\site-
    3332 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3333 m.pause(self._mouse_pause_position) 
    3334 File "C:\Program Files\ChimeraX\bin\lib\site-
    3335 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3336 p = self.view.picked_object(x, y) 
    3337 File "C:\Program Files\ChimeraX\bin\lib\site-
    3338 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3339 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3340 beyond, 
    3341 File "C:\Program Files\ChimeraX\bin\lib\site-
    3342 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3343 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3344 File "C:\Program Files\ChimeraX\bin\lib\site-
    3345 packages\chimerax\core\models.py", line 126, in first_intercept 
    3346 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3347 File "C:\Program Files\ChimeraX\bin\lib\site-
    3348 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3349 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3350 exclude=exclude) 
    3351 File "C:\Program Files\ChimeraX\bin\lib\site-
    3352 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3353 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3354 File "C:\Program Files\ChimeraX\bin\lib\site-
    3355 packages\chimerax\core\models.py", line 126, in first_intercept 
    3356 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3357 File "C:\Program Files\ChimeraX\bin\lib\site-
    3358 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3359 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3360 exclude=exclude) 
    3361 File "C:\Program Files\ChimeraX\bin\lib\site-
    3362 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3363 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3364 File "C:\Program Files\ChimeraX\bin\lib\site-
    3365 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3366 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3367 File "C:\Program Files\ChimeraX\bin\lib\site-
    3368 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3369 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3370 File "C:\Program Files\ChimeraX\bin\lib\site-
    3371 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3372 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3373 File "C:\Program Files\ChimeraX\bin\lib\site-
    3374 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3375 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3376 File "C:\Program Files\ChimeraX\bin\lib\site-
    3377 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3378 cget(self._c_pointers, n, pointer(values)) 
    3379 OSError: exception: access violation reading 0x0000000000041468 
    3380  
    3381 OSError: exception: access violation reading 0x0000000000041468 
    3382  
    3383 File "C:\Program Files\ChimeraX\bin\lib\site-
    3384 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3385 cget(self._c_pointers, n, pointer(values)) 
    3386  
    3387 See log for complete Python traceback. 
    3388  
    3389 Traceback (most recent call last): 
    3390 File "C:\Program Files\ChimeraX\bin\lib\site-
    3391 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3392 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3393 File "C:\Program Files\ChimeraX\bin\lib\site-
    3394 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3395 mouse_pause_tracking 
    3396 self._mouse_pause() 
    3397 File "C:\Program Files\ChimeraX\bin\lib\site-
    3398 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3399 m.pause(self._mouse_pause_position) 
    3400 File "C:\Program Files\ChimeraX\bin\lib\site-
    3401 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3402 p = self.view.picked_object(x, y) 
    3403 File "C:\Program Files\ChimeraX\bin\lib\site-
    3404 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3405 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3406 beyond, 
    3407 File "C:\Program Files\ChimeraX\bin\lib\site-
    3408 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3409 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3410 File "C:\Program Files\ChimeraX\bin\lib\site-
    3411 packages\chimerax\core\models.py", line 126, in first_intercept 
    3412 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3413 File "C:\Program Files\ChimeraX\bin\lib\site-
    3414 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3415 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3416 exclude=exclude) 
    3417 File "C:\Program Files\ChimeraX\bin\lib\site-
    3418 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3419 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3420 File "C:\Program Files\ChimeraX\bin\lib\site-
    3421 packages\chimerax\core\models.py", line 126, in first_intercept 
    3422 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3423 File "C:\Program Files\ChimeraX\bin\lib\site-
    3424 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3425 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3426 exclude=exclude) 
    3427 File "C:\Program Files\ChimeraX\bin\lib\site-
    3428 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3429 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3430 File "C:\Program Files\ChimeraX\bin\lib\site-
    3431 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3432 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3433 File "C:\Program Files\ChimeraX\bin\lib\site-
    3434 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3435 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3436 File "C:\Program Files\ChimeraX\bin\lib\site-
    3437 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3438 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3439 File "C:\Program Files\ChimeraX\bin\lib\site-
    3440 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3441 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3442 File "C:\Program Files\ChimeraX\bin\lib\site-
    3443 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3444 cget(self._c_pointers, n, pointer(values)) 
    3445 OSError: exception: access violation reading 0x0000000000041468 
    3446  
    3447 OSError: exception: access violation reading 0x0000000000041468 
    3448  
    3449 File "C:\Program Files\ChimeraX\bin\lib\site-
    3450 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3451 cget(self._c_pointers, n, pointer(values)) 
    3452  
    3453 See log for complete Python traceback. 
    3454  
    3455 Traceback (most recent call last): 
    3456 File "C:\Program Files\ChimeraX\bin\lib\site-
    3457 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3458 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3459 File "C:\Program Files\ChimeraX\bin\lib\site-
    3460 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3461 mouse_pause_tracking 
    3462 self._mouse_pause() 
    3463 File "C:\Program Files\ChimeraX\bin\lib\site-
    3464 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3465 m.pause(self._mouse_pause_position) 
    3466 File "C:\Program Files\ChimeraX\bin\lib\site-
    3467 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3468 p = self.view.picked_object(x, y) 
    3469 File "C:\Program Files\ChimeraX\bin\lib\site-
    3470 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3471 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3472 beyond, 
    3473 File "C:\Program Files\ChimeraX\bin\lib\site-
    3474 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3475 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3476 File "C:\Program Files\ChimeraX\bin\lib\site-
    3477 packages\chimerax\core\models.py", line 126, in first_intercept 
    3478 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3479 File "C:\Program Files\ChimeraX\bin\lib\site-
    3480 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3481 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3482 exclude=exclude) 
    3483 File "C:\Program Files\ChimeraX\bin\lib\site-
    3484 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3485 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3486 File "C:\Program Files\ChimeraX\bin\lib\site-
    3487 packages\chimerax\core\models.py", line 126, in first_intercept 
    3488 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3489 File "C:\Program Files\ChimeraX\bin\lib\site-
    3490 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3491 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3492 exclude=exclude) 
    3493 File "C:\Program Files\ChimeraX\bin\lib\site-
    3494 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3495 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3496 File "C:\Program Files\ChimeraX\bin\lib\site-
    3497 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3498 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3499 File "C:\Program Files\ChimeraX\bin\lib\site-
    3500 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3501 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3502 File "C:\Program Files\ChimeraX\bin\lib\site-
    3503 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3504 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3505 File "C:\Program Files\ChimeraX\bin\lib\site-
    3506 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3507 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3508 File "C:\Program Files\ChimeraX\bin\lib\site-
    3509 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3510 cget(self._c_pointers, n, pointer(values)) 
    3511 OSError: exception: access violation reading 0x0000000000041468 
    3512  
    3513 OSError: exception: access violation reading 0x0000000000041468 
    3514  
    3515 File "C:\Program Files\ChimeraX\bin\lib\site-
    3516 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3517 cget(self._c_pointers, n, pointer(values)) 
    3518  
    3519 See log for complete Python traceback. 
    3520  
    3521 Traceback (most recent call last): 
    3522 File "C:\Program Files\ChimeraX\bin\lib\site-
    3523 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3524 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3525 File "C:\Program Files\ChimeraX\bin\lib\site-
    3526 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3527 mouse_pause_tracking 
    3528 self._mouse_pause() 
    3529 File "C:\Program Files\ChimeraX\bin\lib\site-
    3530 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3531 m.pause(self._mouse_pause_position) 
    3532 File "C:\Program Files\ChimeraX\bin\lib\site-
    3533 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3534 p = self.view.picked_object(x, y) 
    3535 File "C:\Program Files\ChimeraX\bin\lib\site-
    3536 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3537 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3538 beyond, 
    3539 File "C:\Program Files\ChimeraX\bin\lib\site-
    3540 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3541 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3542 File "C:\Program Files\ChimeraX\bin\lib\site-
    3543 packages\chimerax\core\models.py", line 126, in first_intercept 
    3544 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3545 File "C:\Program Files\ChimeraX\bin\lib\site-
    3546 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3547 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3548 exclude=exclude) 
    3549 File "C:\Program Files\ChimeraX\bin\lib\site-
    3550 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3551 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3552 File "C:\Program Files\ChimeraX\bin\lib\site-
    3553 packages\chimerax\core\models.py", line 126, in first_intercept 
    3554 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3555 File "C:\Program Files\ChimeraX\bin\lib\site-
    3556 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3557 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3558 exclude=exclude) 
    3559 File "C:\Program Files\ChimeraX\bin\lib\site-
    3560 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3561 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3562 File "C:\Program Files\ChimeraX\bin\lib\site-
    3563 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3564 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3565 File "C:\Program Files\ChimeraX\bin\lib\site-
    3566 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3567 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3568 File "C:\Program Files\ChimeraX\bin\lib\site-
    3569 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3570 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3571 File "C:\Program Files\ChimeraX\bin\lib\site-
    3572 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3573 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3574 File "C:\Program Files\ChimeraX\bin\lib\site-
    3575 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3576 cget(self._c_pointers, n, pointer(values)) 
    3577 OSError: exception: access violation reading 0x0000000000041468 
    3578  
    3579 OSError: exception: access violation reading 0x0000000000041468 
    3580  
    3581 File "C:\Program Files\ChimeraX\bin\lib\site-
    3582 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3583 cget(self._c_pointers, n, pointer(values)) 
    3584  
    3585 See log for complete Python traceback. 
    3586  
    3587 Traceback (most recent call last): 
    3588 File "C:\Program Files\ChimeraX\bin\lib\site-
    3589 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3590 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3591 File "C:\Program Files\ChimeraX\bin\lib\site-
    3592 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3593 mouse_pause_tracking 
    3594 self._mouse_pause() 
    3595 File "C:\Program Files\ChimeraX\bin\lib\site-
    3596 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3597 m.pause(self._mouse_pause_position) 
    3598 File "C:\Program Files\ChimeraX\bin\lib\site-
    3599 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3600 p = self.view.picked_object(x, y) 
    3601 File "C:\Program Files\ChimeraX\bin\lib\site-
    3602 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3603 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3604 beyond, 
    3605 File "C:\Program Files\ChimeraX\bin\lib\site-
    3606 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3607 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3608 File "C:\Program Files\ChimeraX\bin\lib\site-
    3609 packages\chimerax\core\models.py", line 126, in first_intercept 
    3610 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3611 File "C:\Program Files\ChimeraX\bin\lib\site-
    3612 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3613 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3614 exclude=exclude) 
    3615 File "C:\Program Files\ChimeraX\bin\lib\site-
    3616 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3617 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3618 File "C:\Program Files\ChimeraX\bin\lib\site-
    3619 packages\chimerax\core\models.py", line 126, in first_intercept 
    3620 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3621 File "C:\Program Files\ChimeraX\bin\lib\site-
    3622 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3623 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3624 exclude=exclude) 
    3625 File "C:\Program Files\ChimeraX\bin\lib\site-
    3626 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3627 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3628 File "C:\Program Files\ChimeraX\bin\lib\site-
    3629 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3630 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3631 File "C:\Program Files\ChimeraX\bin\lib\site-
    3632 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3633 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3634 File "C:\Program Files\ChimeraX\bin\lib\site-
    3635 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3636 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3637 File "C:\Program Files\ChimeraX\bin\lib\site-
    3638 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3639 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3640 File "C:\Program Files\ChimeraX\bin\lib\site-
    3641 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3642 cget(self._c_pointers, n, pointer(values)) 
    3643 OSError: exception: access violation reading 0x0000000000041468 
    3644  
    3645 OSError: exception: access violation reading 0x0000000000041468 
    3646  
    3647 File "C:\Program Files\ChimeraX\bin\lib\site-
    3648 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3649 cget(self._c_pointers, n, pointer(values)) 
    3650  
    3651 See log for complete Python traceback. 
    3652  
    3653 Traceback (most recent call last): 
    3654 File "C:\Program Files\ChimeraX\bin\lib\site-
    3655 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3656 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3657 File "C:\Program Files\ChimeraX\bin\lib\site-
    3658 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3659 mouse_pause_tracking 
    3660 self._mouse_pause() 
    3661 File "C:\Program Files\ChimeraX\bin\lib\site-
    3662 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3663 m.pause(self._mouse_pause_position) 
    3664 File "C:\Program Files\ChimeraX\bin\lib\site-
    3665 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3666 p = self.view.picked_object(x, y) 
    3667 File "C:\Program Files\ChimeraX\bin\lib\site-
    3668 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3669 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3670 beyond, 
    3671 File "C:\Program Files\ChimeraX\bin\lib\site-
    3672 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3673 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3674 File "C:\Program Files\ChimeraX\bin\lib\site-
    3675 packages\chimerax\core\models.py", line 126, in first_intercept 
    3676 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3677 File "C:\Program Files\ChimeraX\bin\lib\site-
    3678 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3679 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3680 exclude=exclude) 
    3681 File "C:\Program Files\ChimeraX\bin\lib\site-
    3682 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3683 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3684 File "C:\Program Files\ChimeraX\bin\lib\site-
    3685 packages\chimerax\core\models.py", line 126, in first_intercept 
    3686 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3687 File "C:\Program Files\ChimeraX\bin\lib\site-
    3688 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3689 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3690 exclude=exclude) 
    3691 File "C:\Program Files\ChimeraX\bin\lib\site-
    3692 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3693 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3694 File "C:\Program Files\ChimeraX\bin\lib\site-
    3695 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3696 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3697 File "C:\Program Files\ChimeraX\bin\lib\site-
    3698 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3699 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3700 File "C:\Program Files\ChimeraX\bin\lib\site-
    3701 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3702 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3703 File "C:\Program Files\ChimeraX\bin\lib\site-
    3704 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3705 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3706 File "C:\Program Files\ChimeraX\bin\lib\site-
    3707 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3708 cget(self._c_pointers, n, pointer(values)) 
    3709 OSError: exception: access violation reading 0x0000000000041468 
    3710  
    3711 OSError: exception: access violation reading 0x0000000000041468 
    3712  
    3713 File "C:\Program Files\ChimeraX\bin\lib\site-
    3714 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3715 cget(self._c_pointers, n, pointer(values)) 
    3716  
    3717 See log for complete Python traceback. 
    3718  
    3719 Traceback (most recent call last): 
    3720 File "C:\Program Files\ChimeraX\bin\lib\site-
    3721 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3722 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3723 File "C:\Program Files\ChimeraX\bin\lib\site-
    3724 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3725 mouse_pause_tracking 
    3726 self._mouse_pause() 
    3727 File "C:\Program Files\ChimeraX\bin\lib\site-
    3728 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3729 m.pause(self._mouse_pause_position) 
    3730 File "C:\Program Files\ChimeraX\bin\lib\site-
    3731 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3732 p = self.view.picked_object(x, y) 
    3733 File "C:\Program Files\ChimeraX\bin\lib\site-
    3734 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3735 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3736 beyond, 
    3737 File "C:\Program Files\ChimeraX\bin\lib\site-
    3738 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3739 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3740 File "C:\Program Files\ChimeraX\bin\lib\site-
    3741 packages\chimerax\core\models.py", line 126, in first_intercept 
    3742 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3743 File "C:\Program Files\ChimeraX\bin\lib\site-
    3744 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3745 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3746 exclude=exclude) 
    3747 File "C:\Program Files\ChimeraX\bin\lib\site-
    3748 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3749 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3750 File "C:\Program Files\ChimeraX\bin\lib\site-
    3751 packages\chimerax\core\models.py", line 126, in first_intercept 
    3752 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3753 File "C:\Program Files\ChimeraX\bin\lib\site-
    3754 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3755 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3756 exclude=exclude) 
    3757 File "C:\Program Files\ChimeraX\bin\lib\site-
    3758 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3759 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3760 File "C:\Program Files\ChimeraX\bin\lib\site-
    3761 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3762 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3763 File "C:\Program Files\ChimeraX\bin\lib\site-
    3764 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3765 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3766 File "C:\Program Files\ChimeraX\bin\lib\site-
    3767 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3768 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3769 File "C:\Program Files\ChimeraX\bin\lib\site-
    3770 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3771 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3772 File "C:\Program Files\ChimeraX\bin\lib\site-
    3773 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3774 cget(self._c_pointers, n, pointer(values)) 
    3775 OSError: exception: access violation reading 0x0000000000041468 
    3776  
    3777 OSError: exception: access violation reading 0x0000000000041468 
    3778  
    3779 File "C:\Program Files\ChimeraX\bin\lib\site-
    3780 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3781 cget(self._c_pointers, n, pointer(values)) 
    3782  
    3783 See log for complete Python traceback. 
    3784  
    3785 Traceback (most recent call last): 
    3786 File "C:\Program Files\ChimeraX\bin\lib\site-
    3787 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3788 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3789 File "C:\Program Files\ChimeraX\bin\lib\site-
    3790 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3791 mouse_pause_tracking 
    3792 self._mouse_pause() 
    3793 File "C:\Program Files\ChimeraX\bin\lib\site-
    3794 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3795 m.pause(self._mouse_pause_position) 
    3796 File "C:\Program Files\ChimeraX\bin\lib\site-
    3797 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3798 p = self.view.picked_object(x, y) 
    3799 File "C:\Program Files\ChimeraX\bin\lib\site-
    3800 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3801 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3802 beyond, 
    3803 File "C:\Program Files\ChimeraX\bin\lib\site-
    3804 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3805 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3806 File "C:\Program Files\ChimeraX\bin\lib\site-
    3807 packages\chimerax\core\models.py", line 126, in first_intercept 
    3808 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3809 File "C:\Program Files\ChimeraX\bin\lib\site-
    3810 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3811 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3812 exclude=exclude) 
    3813 File "C:\Program Files\ChimeraX\bin\lib\site-
    3814 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3815 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3816 File "C:\Program Files\ChimeraX\bin\lib\site-
    3817 packages\chimerax\core\models.py", line 126, in first_intercept 
    3818 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3819 File "C:\Program Files\ChimeraX\bin\lib\site-
    3820 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3821 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3822 exclude=exclude) 
    3823 File "C:\Program Files\ChimeraX\bin\lib\site-
    3824 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3825 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3826 File "C:\Program Files\ChimeraX\bin\lib\site-
    3827 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3828 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3829 File "C:\Program Files\ChimeraX\bin\lib\site-
    3830 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3831 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3832 File "C:\Program Files\ChimeraX\bin\lib\site-
    3833 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3834 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3835 File "C:\Program Files\ChimeraX\bin\lib\site-
    3836 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3837 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3838 File "C:\Program Files\ChimeraX\bin\lib\site-
    3839 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3840 cget(self._c_pointers, n, pointer(values)) 
    3841 OSError: exception: access violation reading 0x0000000000041468 
    3842  
    3843 OSError: exception: access violation reading 0x0000000000041468 
    3844  
    3845 File "C:\Program Files\ChimeraX\bin\lib\site-
    3846 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3847 cget(self._c_pointers, n, pointer(values)) 
    3848  
    3849 See log for complete Python traceback. 
    3850  
    3851 Traceback (most recent call last): 
    3852 File "C:\Program Files\ChimeraX\bin\lib\site-
    3853 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3854 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3855 File "C:\Program Files\ChimeraX\bin\lib\site-
    3856 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3857 mouse_pause_tracking 
    3858 self._mouse_pause() 
    3859 File "C:\Program Files\ChimeraX\bin\lib\site-
    3860 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3861 m.pause(self._mouse_pause_position) 
    3862 File "C:\Program Files\ChimeraX\bin\lib\site-
    3863 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3864 p = self.view.picked_object(x, y) 
    3865 File "C:\Program Files\ChimeraX\bin\lib\site-
    3866 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3867 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3868 beyond, 
    3869 File "C:\Program Files\ChimeraX\bin\lib\site-
    3870 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3871 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3872 File "C:\Program Files\ChimeraX\bin\lib\site-
    3873 packages\chimerax\core\models.py", line 126, in first_intercept 
    3874 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3875 File "C:\Program Files\ChimeraX\bin\lib\site-
    3876 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3877 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3878 exclude=exclude) 
    3879 File "C:\Program Files\ChimeraX\bin\lib\site-
    3880 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3881 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3882 File "C:\Program Files\ChimeraX\bin\lib\site-
    3883 packages\chimerax\core\models.py", line 126, in first_intercept 
    3884 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3885 File "C:\Program Files\ChimeraX\bin\lib\site-
    3886 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3887 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3888 exclude=exclude) 
    3889 File "C:\Program Files\ChimeraX\bin\lib\site-
    3890 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3891 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3892 File "C:\Program Files\ChimeraX\bin\lib\site-
    3893 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3894 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3895 File "C:\Program Files\ChimeraX\bin\lib\site-
    3896 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3897 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3898 File "C:\Program Files\ChimeraX\bin\lib\site-
    3899 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3900 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3901 File "C:\Program Files\ChimeraX\bin\lib\site-
    3902 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3903 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3904 File "C:\Program Files\ChimeraX\bin\lib\site-
    3905 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3906 cget(self._c_pointers, n, pointer(values)) 
    3907 OSError: exception: access violation reading 0x0000000000041468 
    3908  
    3909 OSError: exception: access violation reading 0x0000000000041468 
    3910  
    3911 File "C:\Program Files\ChimeraX\bin\lib\site-
    3912 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3913 cget(self._c_pointers, n, pointer(values)) 
    3914  
    3915 See log for complete Python traceback. 
    3916  
    3917 Traceback (most recent call last): 
    3918 File "C:\Program Files\ChimeraX\bin\lib\site-
    3919 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3920 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3921 File "C:\Program Files\ChimeraX\bin\lib\site-
    3922 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3923 mouse_pause_tracking 
    3924 self._mouse_pause() 
    3925 File "C:\Program Files\ChimeraX\bin\lib\site-
    3926 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3927 m.pause(self._mouse_pause_position) 
    3928 File "C:\Program Files\ChimeraX\bin\lib\site-
    3929 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3930 p = self.view.picked_object(x, y) 
    3931 File "C:\Program Files\ChimeraX\bin\lib\site-
    3932 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3933 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    3934 beyond, 
    3935 File "C:\Program Files\ChimeraX\bin\lib\site-
    3936 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    3937 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    3938 File "C:\Program Files\ChimeraX\bin\lib\site-
    3939 packages\chimerax\core\models.py", line 126, in first_intercept 
    3940 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3941 File "C:\Program Files\ChimeraX\bin\lib\site-
    3942 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3943 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3944 exclude=exclude) 
    3945 File "C:\Program Files\ChimeraX\bin\lib\site-
    3946 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3947 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3948 File "C:\Program Files\ChimeraX\bin\lib\site-
    3949 packages\chimerax\core\models.py", line 126, in first_intercept 
    3950 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    3951 File "C:\Program Files\ChimeraX\bin\lib\site-
    3952 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    3953 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    3954 exclude=exclude) 
    3955 File "C:\Program Files\ChimeraX\bin\lib\site-
    3956 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    3957 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    3958 File "C:\Program Files\ChimeraX\bin\lib\site-
    3959 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    3960 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    3961 File "C:\Program Files\ChimeraX\bin\lib\site-
    3962 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    3963 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    3964 File "C:\Program Files\ChimeraX\bin\lib\site-
    3965 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    3966 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    3967 File "C:\Program Files\ChimeraX\bin\lib\site-
    3968 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    3969 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    3970 File "C:\Program Files\ChimeraX\bin\lib\site-
    3971 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3972 cget(self._c_pointers, n, pointer(values)) 
    3973 OSError: exception: access violation reading 0x0000000000041468 
    3974  
    3975 OSError: exception: access violation reading 0x0000000000041468 
    3976  
    3977 File "C:\Program Files\ChimeraX\bin\lib\site-
    3978 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    3979 cget(self._c_pointers, n, pointer(values)) 
    3980  
    3981 See log for complete Python traceback. 
    3982  
    3983 Traceback (most recent call last): 
    3984 File "C:\Program Files\ChimeraX\bin\lib\site-
    3985 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    3986 self.session.ui.mouse_modes.mouse_pause_tracking() 
    3987 File "C:\Program Files\ChimeraX\bin\lib\site-
    3988 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    3989 mouse_pause_tracking 
    3990 self._mouse_pause() 
    3991 File "C:\Program Files\ChimeraX\bin\lib\site-
    3992 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    3993 m.pause(self._mouse_pause_position) 
    3994 File "C:\Program Files\ChimeraX\bin\lib\site-
    3995 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    3996 p = self.view.picked_object(x, y) 
    3997 File "C:\Program Files\ChimeraX\bin\lib\site-
    3998 packages\chimerax\graphics\view.py", line 817, in picked_object 
    3999 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4000 beyond, 
    4001 File "C:\Program Files\ChimeraX\bin\lib\site-
    4002 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4003 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4004 File "C:\Program Files\ChimeraX\bin\lib\site-
    4005 packages\chimerax\core\models.py", line 126, in first_intercept 
    4006 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4007 File "C:\Program Files\ChimeraX\bin\lib\site-
    4008 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4009 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4010 exclude=exclude) 
    4011 File "C:\Program Files\ChimeraX\bin\lib\site-
    4012 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4013 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4014 File "C:\Program Files\ChimeraX\bin\lib\site-
    4015 packages\chimerax\core\models.py", line 126, in first_intercept 
    4016 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4017 File "C:\Program Files\ChimeraX\bin\lib\site-
    4018 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4019 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4020 exclude=exclude) 
    4021 File "C:\Program Files\ChimeraX\bin\lib\site-
    4022 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4023 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4024 File "C:\Program Files\ChimeraX\bin\lib\site-
    4025 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4026 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4027 File "C:\Program Files\ChimeraX\bin\lib\site-
    4028 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4029 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4030 File "C:\Program Files\ChimeraX\bin\lib\site-
    4031 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4032 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4033 File "C:\Program Files\ChimeraX\bin\lib\site-
    4034 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4035 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4036 File "C:\Program Files\ChimeraX\bin\lib\site-
    4037 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4038 cget(self._c_pointers, n, pointer(values)) 
    4039 OSError: exception: access violation reading 0x0000000000041468 
    4040  
    4041 OSError: exception: access violation reading 0x0000000000041468 
    4042  
    4043 File "C:\Program Files\ChimeraX\bin\lib\site-
    4044 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4045 cget(self._c_pointers, n, pointer(values)) 
    4046  
    4047 See log for complete Python traceback. 
    4048  
    4049 Traceback (most recent call last): 
    4050 File "C:\Program Files\ChimeraX\bin\lib\site-
    4051 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4052 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4053 File "C:\Program Files\ChimeraX\bin\lib\site-
    4054 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4055 mouse_pause_tracking 
    4056 self._mouse_pause() 
    4057 File "C:\Program Files\ChimeraX\bin\lib\site-
    4058 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4059 m.pause(self._mouse_pause_position) 
    4060 File "C:\Program Files\ChimeraX\bin\lib\site-
    4061 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4062 p = self.view.picked_object(x, y) 
    4063 File "C:\Program Files\ChimeraX\bin\lib\site-
    4064 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4065 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4066 beyond, 
    4067 File "C:\Program Files\ChimeraX\bin\lib\site-
    4068 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4069 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4070 File "C:\Program Files\ChimeraX\bin\lib\site-
    4071 packages\chimerax\core\models.py", line 126, in first_intercept 
    4072 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4073 File "C:\Program Files\ChimeraX\bin\lib\site-
    4074 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4075 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4076 exclude=exclude) 
    4077 File "C:\Program Files\ChimeraX\bin\lib\site-
    4078 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4079 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4080 File "C:\Program Files\ChimeraX\bin\lib\site-
    4081 packages\chimerax\core\models.py", line 126, in first_intercept 
    4082 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4083 File "C:\Program Files\ChimeraX\bin\lib\site-
    4084 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4085 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4086 exclude=exclude) 
    4087 File "C:\Program Files\ChimeraX\bin\lib\site-
    4088 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4089 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4090 File "C:\Program Files\ChimeraX\bin\lib\site-
    4091 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4092 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4093 File "C:\Program Files\ChimeraX\bin\lib\site-
    4094 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4095 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4096 File "C:\Program Files\ChimeraX\bin\lib\site-
    4097 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4098 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4099 File "C:\Program Files\ChimeraX\bin\lib\site-
    4100 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4101 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4102 File "C:\Program Files\ChimeraX\bin\lib\site-
    4103 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4104 cget(self._c_pointers, n, pointer(values)) 
    4105 OSError: exception: access violation reading 0x0000000000041468 
    4106  
    4107 OSError: exception: access violation reading 0x0000000000041468 
    4108  
    4109 File "C:\Program Files\ChimeraX\bin\lib\site-
    4110 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4111 cget(self._c_pointers, n, pointer(values)) 
    4112  
    4113 See log for complete Python traceback. 
    4114  
    4115 Traceback (most recent call last): 
    4116 File "C:\Program Files\ChimeraX\bin\lib\site-
    4117 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4118 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4119 File "C:\Program Files\ChimeraX\bin\lib\site-
    4120 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4121 mouse_pause_tracking 
    4122 self._mouse_pause() 
    4123 File "C:\Program Files\ChimeraX\bin\lib\site-
    4124 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4125 m.pause(self._mouse_pause_position) 
    4126 File "C:\Program Files\ChimeraX\bin\lib\site-
    4127 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4128 p = self.view.picked_object(x, y) 
    4129 File "C:\Program Files\ChimeraX\bin\lib\site-
    4130 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4131 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4132 beyond, 
    4133 File "C:\Program Files\ChimeraX\bin\lib\site-
    4134 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4135 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4136 File "C:\Program Files\ChimeraX\bin\lib\site-
    4137 packages\chimerax\core\models.py", line 126, in first_intercept 
    4138 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4139 File "C:\Program Files\ChimeraX\bin\lib\site-
    4140 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4141 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4142 exclude=exclude) 
    4143 File "C:\Program Files\ChimeraX\bin\lib\site-
    4144 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4145 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4146 File "C:\Program Files\ChimeraX\bin\lib\site-
    4147 packages\chimerax\core\models.py", line 126, in first_intercept 
    4148 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4149 File "C:\Program Files\ChimeraX\bin\lib\site-
    4150 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4151 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4152 exclude=exclude) 
    4153 File "C:\Program Files\ChimeraX\bin\lib\site-
    4154 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4155 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4156 File "C:\Program Files\ChimeraX\bin\lib\site-
    4157 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4158 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4159 File "C:\Program Files\ChimeraX\bin\lib\site-
    4160 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4161 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4162 File "C:\Program Files\ChimeraX\bin\lib\site-
    4163 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4164 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4165 File "C:\Program Files\ChimeraX\bin\lib\site-
    4166 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4167 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4168 File "C:\Program Files\ChimeraX\bin\lib\site-
    4169 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4170 cget(self._c_pointers, n, pointer(values)) 
    4171 OSError: exception: access violation reading 0x0000000000041468 
    4172  
    4173 OSError: exception: access violation reading 0x0000000000041468 
    4174  
    4175 File "C:\Program Files\ChimeraX\bin\lib\site-
    4176 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4177 cget(self._c_pointers, n, pointer(values)) 
    4178  
    4179 See log for complete Python traceback. 
    4180  
    4181 Traceback (most recent call last): 
    4182 File "C:\Program Files\ChimeraX\bin\lib\site-
    4183 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4184 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4185 File "C:\Program Files\ChimeraX\bin\lib\site-
    4186 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4187 mouse_pause_tracking 
    4188 self._mouse_pause() 
    4189 File "C:\Program Files\ChimeraX\bin\lib\site-
    4190 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4191 m.pause(self._mouse_pause_position) 
    4192 File "C:\Program Files\ChimeraX\bin\lib\site-
    4193 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4194 p = self.view.picked_object(x, y) 
    4195 File "C:\Program Files\ChimeraX\bin\lib\site-
    4196 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4197 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4198 beyond, 
    4199 File "C:\Program Files\ChimeraX\bin\lib\site-
    4200 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4201 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4202 File "C:\Program Files\ChimeraX\bin\lib\site-
    4203 packages\chimerax\core\models.py", line 126, in first_intercept 
    4204 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4205 File "C:\Program Files\ChimeraX\bin\lib\site-
    4206 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4207 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4208 exclude=exclude) 
    4209 File "C:\Program Files\ChimeraX\bin\lib\site-
    4210 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4211 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4212 File "C:\Program Files\ChimeraX\bin\lib\site-
    4213 packages\chimerax\core\models.py", line 126, in first_intercept 
    4214 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4215 File "C:\Program Files\ChimeraX\bin\lib\site-
    4216 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4217 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4218 exclude=exclude) 
    4219 File "C:\Program Files\ChimeraX\bin\lib\site-
    4220 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4221 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4222 File "C:\Program Files\ChimeraX\bin\lib\site-
    4223 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4224 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4225 File "C:\Program Files\ChimeraX\bin\lib\site-
    4226 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4227 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4228 File "C:\Program Files\ChimeraX\bin\lib\site-
    4229 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4230 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4231 File "C:\Program Files\ChimeraX\bin\lib\site-
    4232 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4233 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4234 File "C:\Program Files\ChimeraX\bin\lib\site-
    4235 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4236 cget(self._c_pointers, n, pointer(values)) 
    4237 OSError: exception: access violation reading 0x0000000000041468 
    4238  
    4239 OSError: exception: access violation reading 0x0000000000041468 
    4240  
    4241 File "C:\Program Files\ChimeraX\bin\lib\site-
    4242 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4243 cget(self._c_pointers, n, pointer(values)) 
    4244  
    4245 See log for complete Python traceback. 
    4246  
    4247 Traceback (most recent call last): 
    4248 File "C:\Program Files\ChimeraX\bin\lib\site-
    4249 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4250 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4251 File "C:\Program Files\ChimeraX\bin\lib\site-
    4252 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4253 mouse_pause_tracking 
    4254 self._mouse_pause() 
    4255 File "C:\Program Files\ChimeraX\bin\lib\site-
    4256 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4257 m.pause(self._mouse_pause_position) 
    4258 File "C:\Program Files\ChimeraX\bin\lib\site-
    4259 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4260 p = self.view.picked_object(x, y) 
    4261 File "C:\Program Files\ChimeraX\bin\lib\site-
    4262 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4263 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4264 beyond, 
    4265 File "C:\Program Files\ChimeraX\bin\lib\site-
    4266 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4267 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4268 File "C:\Program Files\ChimeraX\bin\lib\site-
    4269 packages\chimerax\core\models.py", line 126, in first_intercept 
    4270 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4271 File "C:\Program Files\ChimeraX\bin\lib\site-
    4272 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4273 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4274 exclude=exclude) 
    4275 File "C:\Program Files\ChimeraX\bin\lib\site-
    4276 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4277 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4278 File "C:\Program Files\ChimeraX\bin\lib\site-
    4279 packages\chimerax\core\models.py", line 126, in first_intercept 
    4280 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4281 File "C:\Program Files\ChimeraX\bin\lib\site-
    4282 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4283 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4284 exclude=exclude) 
    4285 File "C:\Program Files\ChimeraX\bin\lib\site-
    4286 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4287 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4288 File "C:\Program Files\ChimeraX\bin\lib\site-
    4289 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4290 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4291 File "C:\Program Files\ChimeraX\bin\lib\site-
    4292 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4293 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4294 File "C:\Program Files\ChimeraX\bin\lib\site-
    4295 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4296 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4297 File "C:\Program Files\ChimeraX\bin\lib\site-
    4298 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4299 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4300 File "C:\Program Files\ChimeraX\bin\lib\site-
    4301 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4302 cget(self._c_pointers, n, pointer(values)) 
    4303 OSError: exception: access violation reading 0x0000000000041468 
    4304  
    4305 OSError: exception: access violation reading 0x0000000000041468 
    4306  
    4307 File "C:\Program Files\ChimeraX\bin\lib\site-
    4308 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4309 cget(self._c_pointers, n, pointer(values)) 
    4310  
    4311 See log for complete Python traceback. 
    4312  
    4313 Traceback (most recent call last): 
    4314 File "C:\Program Files\ChimeraX\bin\lib\site-
    4315 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4316 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4317 File "C:\Program Files\ChimeraX\bin\lib\site-
    4318 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4319 mouse_pause_tracking 
    4320 self._mouse_pause() 
    4321 File "C:\Program Files\ChimeraX\bin\lib\site-
    4322 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4323 m.pause(self._mouse_pause_position) 
    4324 File "C:\Program Files\ChimeraX\bin\lib\site-
    4325 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4326 p = self.view.picked_object(x, y) 
    4327 File "C:\Program Files\ChimeraX\bin\lib\site-
    4328 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4329 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4330 beyond, 
    4331 File "C:\Program Files\ChimeraX\bin\lib\site-
    4332 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4333 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4334 File "C:\Program Files\ChimeraX\bin\lib\site-
    4335 packages\chimerax\core\models.py", line 126, in first_intercept 
    4336 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4337 File "C:\Program Files\ChimeraX\bin\lib\site-
    4338 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4339 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4340 exclude=exclude) 
    4341 File "C:\Program Files\ChimeraX\bin\lib\site-
    4342 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4343 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4344 File "C:\Program Files\ChimeraX\bin\lib\site-
    4345 packages\chimerax\core\models.py", line 126, in first_intercept 
    4346 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4347 File "C:\Program Files\ChimeraX\bin\lib\site-
    4348 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4349 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4350 exclude=exclude) 
    4351 File "C:\Program Files\ChimeraX\bin\lib\site-
    4352 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4353 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4354 File "C:\Program Files\ChimeraX\bin\lib\site-
    4355 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4356 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4357 File "C:\Program Files\ChimeraX\bin\lib\site-
    4358 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4359 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4360 File "C:\Program Files\ChimeraX\bin\lib\site-
    4361 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4362 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4363 File "C:\Program Files\ChimeraX\bin\lib\site-
    4364 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4365 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4366 File "C:\Program Files\ChimeraX\bin\lib\site-
    4367 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4368 cget(self._c_pointers, n, pointer(values)) 
    4369 OSError: exception: access violation reading 0x0000000000041468 
    4370  
    4371 OSError: exception: access violation reading 0x0000000000041468 
    4372  
    4373 File "C:\Program Files\ChimeraX\bin\lib\site-
    4374 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4375 cget(self._c_pointers, n, pointer(values)) 
    4376  
    4377 See log for complete Python traceback. 
    4378  
    4379 Traceback (most recent call last): 
    4380 File "C:\Program Files\ChimeraX\bin\lib\site-
    4381 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4382 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4383 File "C:\Program Files\ChimeraX\bin\lib\site-
    4384 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4385 mouse_pause_tracking 
    4386 self._mouse_pause() 
    4387 File "C:\Program Files\ChimeraX\bin\lib\site-
    4388 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4389 m.pause(self._mouse_pause_position) 
    4390 File "C:\Program Files\ChimeraX\bin\lib\site-
    4391 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4392 p = self.view.picked_object(x, y) 
    4393 File "C:\Program Files\ChimeraX\bin\lib\site-
    4394 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4395 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4396 beyond, 
    4397 File "C:\Program Files\ChimeraX\bin\lib\site-
    4398 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4399 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4400 File "C:\Program Files\ChimeraX\bin\lib\site-
    4401 packages\chimerax\core\models.py", line 126, in first_intercept 
    4402 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4403 File "C:\Program Files\ChimeraX\bin\lib\site-
    4404 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4405 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4406 exclude=exclude) 
    4407 File "C:\Program Files\ChimeraX\bin\lib\site-
    4408 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4409 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4410 File "C:\Program Files\ChimeraX\bin\lib\site-
    4411 packages\chimerax\core\models.py", line 126, in first_intercept 
    4412 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4413 File "C:\Program Files\ChimeraX\bin\lib\site-
    4414 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4415 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4416 exclude=exclude) 
    4417 File "C:\Program Files\ChimeraX\bin\lib\site-
    4418 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4419 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4420 File "C:\Program Files\ChimeraX\bin\lib\site-
    4421 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4422 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4423 File "C:\Program Files\ChimeraX\bin\lib\site-
    4424 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4425 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4426 File "C:\Program Files\ChimeraX\bin\lib\site-
    4427 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4428 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4429 File "C:\Program Files\ChimeraX\bin\lib\site-
    4430 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4431 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4432 File "C:\Program Files\ChimeraX\bin\lib\site-
    4433 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4434 cget(self._c_pointers, n, pointer(values)) 
    4435 OSError: exception: access violation reading 0x0000000000041468 
    4436  
    4437 OSError: exception: access violation reading 0x0000000000041468 
    4438  
    4439 File "C:\Program Files\ChimeraX\bin\lib\site-
    4440 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4441 cget(self._c_pointers, n, pointer(values)) 
    4442  
    4443 See log for complete Python traceback. 
    4444  
    4445 Traceback (most recent call last): 
    4446 File "C:\Program Files\ChimeraX\bin\lib\site-
    4447 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4448 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4449 File "C:\Program Files\ChimeraX\bin\lib\site-
    4450 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4451 mouse_pause_tracking 
    4452 self._mouse_pause() 
    4453 File "C:\Program Files\ChimeraX\bin\lib\site-
    4454 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4455 m.pause(self._mouse_pause_position) 
    4456 File "C:\Program Files\ChimeraX\bin\lib\site-
    4457 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4458 p = self.view.picked_object(x, y) 
    4459 File "C:\Program Files\ChimeraX\bin\lib\site-
    4460 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4461 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4462 beyond, 
    4463 File "C:\Program Files\ChimeraX\bin\lib\site-
    4464 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4465 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4466 File "C:\Program Files\ChimeraX\bin\lib\site-
    4467 packages\chimerax\core\models.py", line 126, in first_intercept 
    4468 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4469 File "C:\Program Files\ChimeraX\bin\lib\site-
    4470 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4471 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4472 exclude=exclude) 
    4473 File "C:\Program Files\ChimeraX\bin\lib\site-
    4474 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4475 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4476 File "C:\Program Files\ChimeraX\bin\lib\site-
    4477 packages\chimerax\core\models.py", line 126, in first_intercept 
    4478 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4479 File "C:\Program Files\ChimeraX\bin\lib\site-
    4480 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4481 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4482 exclude=exclude) 
    4483 File "C:\Program Files\ChimeraX\bin\lib\site-
    4484 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4485 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4486 File "C:\Program Files\ChimeraX\bin\lib\site-
    4487 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4488 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4489 File "C:\Program Files\ChimeraX\bin\lib\site-
    4490 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4491 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4492 File "C:\Program Files\ChimeraX\bin\lib\site-
    4493 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4494 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4495 File "C:\Program Files\ChimeraX\bin\lib\site-
    4496 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4497 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4498 File "C:\Program Files\ChimeraX\bin\lib\site-
    4499 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4500 cget(self._c_pointers, n, pointer(values)) 
    4501 OSError: exception: access violation reading 0x0000000000041468 
    4502  
    4503 OSError: exception: access violation reading 0x0000000000041468 
    4504  
    4505 File "C:\Program Files\ChimeraX\bin\lib\site-
    4506 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4507 cget(self._c_pointers, n, pointer(values)) 
    4508  
    4509 See log for complete Python traceback. 
    4510  
    4511 Traceback (most recent call last): 
    4512 File "C:\Program Files\ChimeraX\bin\lib\site-
    4513 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4514 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4515 File "C:\Program Files\ChimeraX\bin\lib\site-
    4516 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4517 mouse_pause_tracking 
    4518 self._mouse_pause() 
    4519 File "C:\Program Files\ChimeraX\bin\lib\site-
    4520 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4521 m.pause(self._mouse_pause_position) 
    4522 File "C:\Program Files\ChimeraX\bin\lib\site-
    4523 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4524 p = self.view.picked_object(x, y) 
    4525 File "C:\Program Files\ChimeraX\bin\lib\site-
    4526 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4527 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4528 beyond, 
    4529 File "C:\Program Files\ChimeraX\bin\lib\site-
    4530 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4531 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4532 File "C:\Program Files\ChimeraX\bin\lib\site-
    4533 packages\chimerax\core\models.py", line 126, in first_intercept 
    4534 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4535 File "C:\Program Files\ChimeraX\bin\lib\site-
    4536 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4537 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4538 exclude=exclude) 
    4539 File "C:\Program Files\ChimeraX\bin\lib\site-
    4540 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4541 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4542 File "C:\Program Files\ChimeraX\bin\lib\site-
    4543 packages\chimerax\core\models.py", line 126, in first_intercept 
    4544 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4545 File "C:\Program Files\ChimeraX\bin\lib\site-
    4546 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4547 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4548 exclude=exclude) 
    4549 File "C:\Program Files\ChimeraX\bin\lib\site-
    4550 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4551 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4552 File "C:\Program Files\ChimeraX\bin\lib\site-
    4553 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4554 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4555 File "C:\Program Files\ChimeraX\bin\lib\site-
    4556 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4557 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4558 File "C:\Program Files\ChimeraX\bin\lib\site-
    4559 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4560 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4561 File "C:\Program Files\ChimeraX\bin\lib\site-
    4562 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4563 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4564 File "C:\Program Files\ChimeraX\bin\lib\site-
    4565 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4566 cget(self._c_pointers, n, pointer(values)) 
    4567 OSError: exception: access violation reading 0x0000000000041468 
    4568  
    4569 OSError: exception: access violation reading 0x0000000000041468 
    4570  
    4571 File "C:\Program Files\ChimeraX\bin\lib\site-
    4572 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4573 cget(self._c_pointers, n, pointer(values)) 
    4574  
    4575 See log for complete Python traceback. 
    4576  
    4577 Traceback (most recent call last): 
    4578 File "C:\Program Files\ChimeraX\bin\lib\site-
    4579 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4580 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4581 File "C:\Program Files\ChimeraX\bin\lib\site-
    4582 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4583 mouse_pause_tracking 
    4584 self._mouse_pause() 
    4585 File "C:\Program Files\ChimeraX\bin\lib\site-
    4586 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4587 m.pause(self._mouse_pause_position) 
    4588 File "C:\Program Files\ChimeraX\bin\lib\site-
    4589 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4590 p = self.view.picked_object(x, y) 
    4591 File "C:\Program Files\ChimeraX\bin\lib\site-
    4592 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4593 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4594 beyond, 
    4595 File "C:\Program Files\ChimeraX\bin\lib\site-
    4596 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4597 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4598 File "C:\Program Files\ChimeraX\bin\lib\site-
    4599 packages\chimerax\core\models.py", line 126, in first_intercept 
    4600 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4601 File "C:\Program Files\ChimeraX\bin\lib\site-
    4602 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4603 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4604 exclude=exclude) 
    4605 File "C:\Program Files\ChimeraX\bin\lib\site-
    4606 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4607 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4608 File "C:\Program Files\ChimeraX\bin\lib\site-
    4609 packages\chimerax\core\models.py", line 126, in first_intercept 
    4610 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4611 File "C:\Program Files\ChimeraX\bin\lib\site-
    4612 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4613 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4614 exclude=exclude) 
    4615 File "C:\Program Files\ChimeraX\bin\lib\site-
    4616 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4617 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4618 File "C:\Program Files\ChimeraX\bin\lib\site-
    4619 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4620 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4621 File "C:\Program Files\ChimeraX\bin\lib\site-
    4622 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4623 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4624 File "C:\Program Files\ChimeraX\bin\lib\site-
    4625 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4626 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4627 File "C:\Program Files\ChimeraX\bin\lib\site-
    4628 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4629 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4630 File "C:\Program Files\ChimeraX\bin\lib\site-
    4631 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4632 cget(self._c_pointers, n, pointer(values)) 
    4633 OSError: exception: access violation reading 0x0000000000041468 
    4634  
    4635 OSError: exception: access violation reading 0x0000000000041468 
    4636  
    4637 File "C:\Program Files\ChimeraX\bin\lib\site-
    4638 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4639 cget(self._c_pointers, n, pointer(values)) 
    4640  
    4641 See log for complete Python traceback. 
    4642  
    4643 Traceback (most recent call last): 
    4644 File "C:\Program Files\ChimeraX\bin\lib\site-
    4645 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4646 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4647 File "C:\Program Files\ChimeraX\bin\lib\site-
    4648 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4649 mouse_pause_tracking 
    4650 self._mouse_pause() 
    4651 File "C:\Program Files\ChimeraX\bin\lib\site-
    4652 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4653 m.pause(self._mouse_pause_position) 
    4654 File "C:\Program Files\ChimeraX\bin\lib\site-
    4655 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4656 p = self.view.picked_object(x, y) 
    4657 File "C:\Program Files\ChimeraX\bin\lib\site-
    4658 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4659 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4660 beyond, 
    4661 File "C:\Program Files\ChimeraX\bin\lib\site-
    4662 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4663 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4664 File "C:\Program Files\ChimeraX\bin\lib\site-
    4665 packages\chimerax\core\models.py", line 126, in first_intercept 
    4666 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4667 File "C:\Program Files\ChimeraX\bin\lib\site-
    4668 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4669 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4670 exclude=exclude) 
    4671 File "C:\Program Files\ChimeraX\bin\lib\site-
    4672 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4673 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4674 File "C:\Program Files\ChimeraX\bin\lib\site-
    4675 packages\chimerax\core\models.py", line 126, in first_intercept 
    4676 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4677 File "C:\Program Files\ChimeraX\bin\lib\site-
    4678 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4679 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4680 exclude=exclude) 
    4681 File "C:\Program Files\ChimeraX\bin\lib\site-
    4682 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4683 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4684 File "C:\Program Files\ChimeraX\bin\lib\site-
    4685 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4686 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4687 File "C:\Program Files\ChimeraX\bin\lib\site-
    4688 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4689 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4690 File "C:\Program Files\ChimeraX\bin\lib\site-
    4691 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4692 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4693 File "C:\Program Files\ChimeraX\bin\lib\site-
    4694 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4695 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4696 File "C:\Program Files\ChimeraX\bin\lib\site-
    4697 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4698 cget(self._c_pointers, n, pointer(values)) 
    4699 OSError: exception: access violation reading 0x0000000000041468 
    4700  
    4701 OSError: exception: access violation reading 0x0000000000041468 
    4702  
    4703 File "C:\Program Files\ChimeraX\bin\lib\site-
    4704 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4705 cget(self._c_pointers, n, pointer(values)) 
    4706  
    4707 See log for complete Python traceback. 
    4708  
    4709 Traceback (most recent call last): 
    4710 File "C:\Program Files\ChimeraX\bin\lib\site-
    4711 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4712 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4713 File "C:\Program Files\ChimeraX\bin\lib\site-
    4714 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4715 mouse_pause_tracking 
    4716 self._mouse_pause() 
    4717 File "C:\Program Files\ChimeraX\bin\lib\site-
    4718 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4719 m.pause(self._mouse_pause_position) 
    4720 File "C:\Program Files\ChimeraX\bin\lib\site-
    4721 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4722 p = self.view.picked_object(x, y) 
    4723 File "C:\Program Files\ChimeraX\bin\lib\site-
    4724 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4725 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4726 beyond, 
    4727 File "C:\Program Files\ChimeraX\bin\lib\site-
    4728 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4729 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4730 File "C:\Program Files\ChimeraX\bin\lib\site-
    4731 packages\chimerax\core\models.py", line 126, in first_intercept 
    4732 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4733 File "C:\Program Files\ChimeraX\bin\lib\site-
    4734 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4735 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4736 exclude=exclude) 
    4737 File "C:\Program Files\ChimeraX\bin\lib\site-
    4738 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4739 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4740 File "C:\Program Files\ChimeraX\bin\lib\site-
    4741 packages\chimerax\core\models.py", line 126, in first_intercept 
    4742 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4743 File "C:\Program Files\ChimeraX\bin\lib\site-
    4744 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4745 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4746 exclude=exclude) 
    4747 File "C:\Program Files\ChimeraX\bin\lib\site-
    4748 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4749 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4750 File "C:\Program Files\ChimeraX\bin\lib\site-
    4751 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4752 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4753 File "C:\Program Files\ChimeraX\bin\lib\site-
    4754 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4755 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4756 File "C:\Program Files\ChimeraX\bin\lib\site-
    4757 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4758 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4759 File "C:\Program Files\ChimeraX\bin\lib\site-
    4760 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4761 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4762 File "C:\Program Files\ChimeraX\bin\lib\site-
    4763 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4764 cget(self._c_pointers, n, pointer(values)) 
    4765 OSError: exception: access violation reading 0x0000000000041468 
    4766  
    4767 OSError: exception: access violation reading 0x0000000000041468 
    4768  
    4769 File "C:\Program Files\ChimeraX\bin\lib\site-
    4770 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4771 cget(self._c_pointers, n, pointer(values)) 
    4772  
    4773 See log for complete Python traceback. 
    4774  
    4775 Traceback (most recent call last): 
    4776 File "C:\Program Files\ChimeraX\bin\lib\site-
    4777 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4778 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4779 File "C:\Program Files\ChimeraX\bin\lib\site-
    4780 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4781 mouse_pause_tracking 
    4782 self._mouse_pause() 
    4783 File "C:\Program Files\ChimeraX\bin\lib\site-
    4784 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4785 m.pause(self._mouse_pause_position) 
    4786 File "C:\Program Files\ChimeraX\bin\lib\site-
    4787 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4788 p = self.view.picked_object(x, y) 
    4789 File "C:\Program Files\ChimeraX\bin\lib\site-
    4790 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4791 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4792 beyond, 
    4793 File "C:\Program Files\ChimeraX\bin\lib\site-
    4794 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4795 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4796 File "C:\Program Files\ChimeraX\bin\lib\site-
    4797 packages\chimerax\core\models.py", line 126, in first_intercept 
    4798 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4799 File "C:\Program Files\ChimeraX\bin\lib\site-
    4800 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4801 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4802 exclude=exclude) 
    4803 File "C:\Program Files\ChimeraX\bin\lib\site-
    4804 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4805 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4806 File "C:\Program Files\ChimeraX\bin\lib\site-
    4807 packages\chimerax\core\models.py", line 126, in first_intercept 
    4808 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4809 File "C:\Program Files\ChimeraX\bin\lib\site-
    4810 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4811 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4812 exclude=exclude) 
    4813 File "C:\Program Files\ChimeraX\bin\lib\site-
    4814 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4815 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4816 File "C:\Program Files\ChimeraX\bin\lib\site-
    4817 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4818 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4819 File "C:\Program Files\ChimeraX\bin\lib\site-
    4820 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4821 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4822 File "C:\Program Files\ChimeraX\bin\lib\site-
    4823 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4824 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4825 File "C:\Program Files\ChimeraX\bin\lib\site-
    4826 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4827 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4828 File "C:\Program Files\ChimeraX\bin\lib\site-
    4829 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4830 cget(self._c_pointers, n, pointer(values)) 
    4831 OSError: exception: access violation reading 0x0000000000041468 
    4832  
    4833 OSError: exception: access violation reading 0x0000000000041468 
    4834  
    4835 File "C:\Program Files\ChimeraX\bin\lib\site-
    4836 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4837 cget(self._c_pointers, n, pointer(values)) 
    4838  
    4839 See log for complete Python traceback. 
    4840  
    4841 Traceback (most recent call last): 
    4842 File "C:\Program Files\ChimeraX\bin\lib\site-
    4843 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4844 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4845 File "C:\Program Files\ChimeraX\bin\lib\site-
    4846 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4847 mouse_pause_tracking 
    4848 self._mouse_pause() 
    4849 File "C:\Program Files\ChimeraX\bin\lib\site-
    4850 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4851 m.pause(self._mouse_pause_position) 
    4852 File "C:\Program Files\ChimeraX\bin\lib\site-
    4853 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4854 p = self.view.picked_object(x, y) 
    4855 File "C:\Program Files\ChimeraX\bin\lib\site-
    4856 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4857 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4858 beyond, 
    4859 File "C:\Program Files\ChimeraX\bin\lib\site-
    4860 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4861 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4862 File "C:\Program Files\ChimeraX\bin\lib\site-
    4863 packages\chimerax\core\models.py", line 126, in first_intercept 
    4864 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4865 File "C:\Program Files\ChimeraX\bin\lib\site-
    4866 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4867 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4868 exclude=exclude) 
    4869 File "C:\Program Files\ChimeraX\bin\lib\site-
    4870 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4871 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4872 File "C:\Program Files\ChimeraX\bin\lib\site-
    4873 packages\chimerax\core\models.py", line 126, in first_intercept 
    4874 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4875 File "C:\Program Files\ChimeraX\bin\lib\site-
    4876 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4877 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4878 exclude=exclude) 
    4879 File "C:\Program Files\ChimeraX\bin\lib\site-
    4880 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4881 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4882 File "C:\Program Files\ChimeraX\bin\lib\site-
    4883 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4884 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4885 File "C:\Program Files\ChimeraX\bin\lib\site-
    4886 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4887 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4888 File "C:\Program Files\ChimeraX\bin\lib\site-
    4889 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4890 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4891 File "C:\Program Files\ChimeraX\bin\lib\site-
    4892 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4893 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4894 File "C:\Program Files\ChimeraX\bin\lib\site-
    4895 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4896 cget(self._c_pointers, n, pointer(values)) 
    4897 OSError: exception: access violation reading 0x0000000000041468 
    4898  
    4899 OSError: exception: access violation reading 0x0000000000041468 
    4900  
    4901 File "C:\Program Files\ChimeraX\bin\lib\site-
    4902 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4903 cget(self._c_pointers, n, pointer(values)) 
    4904  
    4905 See log for complete Python traceback. 
    4906  
    4907 Traceback (most recent call last): 
    4908 File "C:\Program Files\ChimeraX\bin\lib\site-
    4909 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4910 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4911 File "C:\Program Files\ChimeraX\bin\lib\site-
    4912 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4913 mouse_pause_tracking 
    4914 self._mouse_pause() 
    4915 File "C:\Program Files\ChimeraX\bin\lib\site-
    4916 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4917 m.pause(self._mouse_pause_position) 
    4918 File "C:\Program Files\ChimeraX\bin\lib\site-
    4919 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4920 p = self.view.picked_object(x, y) 
    4921 File "C:\Program Files\ChimeraX\bin\lib\site-
    4922 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4923 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4924 beyond, 
    4925 File "C:\Program Files\ChimeraX\bin\lib\site-
    4926 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4927 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4928 File "C:\Program Files\ChimeraX\bin\lib\site-
    4929 packages\chimerax\core\models.py", line 126, in first_intercept 
    4930 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4931 File "C:\Program Files\ChimeraX\bin\lib\site-
    4932 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4933 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4934 exclude=exclude) 
    4935 File "C:\Program Files\ChimeraX\bin\lib\site-
    4936 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4937 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4938 File "C:\Program Files\ChimeraX\bin\lib\site-
    4939 packages\chimerax\core\models.py", line 126, in first_intercept 
    4940 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4941 File "C:\Program Files\ChimeraX\bin\lib\site-
    4942 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4943 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    4944 exclude=exclude) 
    4945 File "C:\Program Files\ChimeraX\bin\lib\site-
    4946 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    4947 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    4948 File "C:\Program Files\ChimeraX\bin\lib\site-
    4949 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    4950 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    4951 File "C:\Program Files\ChimeraX\bin\lib\site-
    4952 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    4953 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    4954 File "C:\Program Files\ChimeraX\bin\lib\site-
    4955 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    4956 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    4957 File "C:\Program Files\ChimeraX\bin\lib\site-
    4958 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    4959 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    4960 File "C:\Program Files\ChimeraX\bin\lib\site-
    4961 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4962 cget(self._c_pointers, n, pointer(values)) 
    4963 OSError: exception: access violation reading 0x0000000000041468 
    4964  
    4965 OSError: exception: access violation reading 0x0000000000041468 
    4966  
    4967 File "C:\Program Files\ChimeraX\bin\lib\site-
    4968 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    4969 cget(self._c_pointers, n, pointer(values)) 
    4970  
    4971 See log for complete Python traceback. 
    4972  
    4973 Traceback (most recent call last): 
    4974 File "C:\Program Files\ChimeraX\bin\lib\site-
    4975 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    4976 self.session.ui.mouse_modes.mouse_pause_tracking() 
    4977 File "C:\Program Files\ChimeraX\bin\lib\site-
    4978 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    4979 mouse_pause_tracking 
    4980 self._mouse_pause() 
    4981 File "C:\Program Files\ChimeraX\bin\lib\site-
    4982 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    4983 m.pause(self._mouse_pause_position) 
    4984 File "C:\Program Files\ChimeraX\bin\lib\site-
    4985 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    4986 p = self.view.picked_object(x, y) 
    4987 File "C:\Program Files\ChimeraX\bin\lib\site-
    4988 packages\chimerax\graphics\view.py", line 817, in picked_object 
    4989 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    4990 beyond, 
    4991 File "C:\Program Files\ChimeraX\bin\lib\site-
    4992 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    4993 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    4994 File "C:\Program Files\ChimeraX\bin\lib\site-
    4995 packages\chimerax\core\models.py", line 126, in first_intercept 
    4996 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    4997 File "C:\Program Files\ChimeraX\bin\lib\site-
    4998 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    4999 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5000 exclude=exclude) 
    5001 File "C:\Program Files\ChimeraX\bin\lib\site-
    5002 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5003 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5004 File "C:\Program Files\ChimeraX\bin\lib\site-
    5005 packages\chimerax\core\models.py", line 126, in first_intercept 
    5006 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5007 File "C:\Program Files\ChimeraX\bin\lib\site-
    5008 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5009 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5010 exclude=exclude) 
    5011 File "C:\Program Files\ChimeraX\bin\lib\site-
    5012 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5013 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5014 File "C:\Program Files\ChimeraX\bin\lib\site-
    5015 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5016 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5017 File "C:\Program Files\ChimeraX\bin\lib\site-
    5018 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5019 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5020 File "C:\Program Files\ChimeraX\bin\lib\site-
    5021 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5022 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5023 File "C:\Program Files\ChimeraX\bin\lib\site-
    5024 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5025 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5026 File "C:\Program Files\ChimeraX\bin\lib\site-
    5027 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5028 cget(self._c_pointers, n, pointer(values)) 
    5029 OSError: exception: access violation reading 0x0000000000041468 
    5030  
    5031 OSError: exception: access violation reading 0x0000000000041468 
    5032  
    5033 File "C:\Program Files\ChimeraX\bin\lib\site-
    5034 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5035 cget(self._c_pointers, n, pointer(values)) 
    5036  
    5037 See log for complete Python traceback. 
    5038  
    5039 Traceback (most recent call last): 
    5040 File "C:\Program Files\ChimeraX\bin\lib\site-
    5041 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5042 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5043 File "C:\Program Files\ChimeraX\bin\lib\site-
    5044 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5045 mouse_pause_tracking 
    5046 self._mouse_pause() 
    5047 File "C:\Program Files\ChimeraX\bin\lib\site-
    5048 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5049 m.pause(self._mouse_pause_position) 
    5050 File "C:\Program Files\ChimeraX\bin\lib\site-
    5051 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5052 p = self.view.picked_object(x, y) 
    5053 File "C:\Program Files\ChimeraX\bin\lib\site-
    5054 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5055 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5056 beyond, 
    5057 File "C:\Program Files\ChimeraX\bin\lib\site-
    5058 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5059 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5060 File "C:\Program Files\ChimeraX\bin\lib\site-
    5061 packages\chimerax\core\models.py", line 126, in first_intercept 
    5062 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5063 File "C:\Program Files\ChimeraX\bin\lib\site-
    5064 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5065 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5066 exclude=exclude) 
    5067 File "C:\Program Files\ChimeraX\bin\lib\site-
    5068 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5069 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5070 File "C:\Program Files\ChimeraX\bin\lib\site-
    5071 packages\chimerax\core\models.py", line 126, in first_intercept 
    5072 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5073 File "C:\Program Files\ChimeraX\bin\lib\site-
    5074 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5075 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5076 exclude=exclude) 
    5077 File "C:\Program Files\ChimeraX\bin\lib\site-
    5078 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5079 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5080 File "C:\Program Files\ChimeraX\bin\lib\site-
    5081 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5082 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5083 File "C:\Program Files\ChimeraX\bin\lib\site-
    5084 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5085 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5086 File "C:\Program Files\ChimeraX\bin\lib\site-
    5087 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5088 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5089 File "C:\Program Files\ChimeraX\bin\lib\site-
    5090 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5091 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5092 File "C:\Program Files\ChimeraX\bin\lib\site-
    5093 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5094 cget(self._c_pointers, n, pointer(values)) 
    5095 OSError: exception: access violation reading 0x0000000000041468 
    5096  
    5097 OSError: exception: access violation reading 0x0000000000041468 
    5098  
    5099 File "C:\Program Files\ChimeraX\bin\lib\site-
    5100 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5101 cget(self._c_pointers, n, pointer(values)) 
    5102  
    5103 See log for complete Python traceback. 
    5104  
    5105 Traceback (most recent call last): 
    5106 File "C:\Program Files\ChimeraX\bin\lib\site-
    5107 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5108 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5109 File "C:\Program Files\ChimeraX\bin\lib\site-
    5110 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5111 mouse_pause_tracking 
    5112 self._mouse_pause() 
    5113 File "C:\Program Files\ChimeraX\bin\lib\site-
    5114 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5115 m.pause(self._mouse_pause_position) 
    5116 File "C:\Program Files\ChimeraX\bin\lib\site-
    5117 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5118 p = self.view.picked_object(x, y) 
    5119 File "C:\Program Files\ChimeraX\bin\lib\site-
    5120 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5121 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5122 beyond, 
    5123 File "C:\Program Files\ChimeraX\bin\lib\site-
    5124 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5125 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5126 File "C:\Program Files\ChimeraX\bin\lib\site-
    5127 packages\chimerax\core\models.py", line 126, in first_intercept 
    5128 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5129 File "C:\Program Files\ChimeraX\bin\lib\site-
    5130 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5131 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5132 exclude=exclude) 
    5133 File "C:\Program Files\ChimeraX\bin\lib\site-
    5134 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5135 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5136 File "C:\Program Files\ChimeraX\bin\lib\site-
    5137 packages\chimerax\core\models.py", line 126, in first_intercept 
    5138 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5139 File "C:\Program Files\ChimeraX\bin\lib\site-
    5140 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5141 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5142 exclude=exclude) 
    5143 File "C:\Program Files\ChimeraX\bin\lib\site-
    5144 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5145 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5146 File "C:\Program Files\ChimeraX\bin\lib\site-
    5147 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5148 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5149 File "C:\Program Files\ChimeraX\bin\lib\site-
    5150 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5151 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5152 File "C:\Program Files\ChimeraX\bin\lib\site-
    5153 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5154 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5155 File "C:\Program Files\ChimeraX\bin\lib\site-
    5156 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5157 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5158 File "C:\Program Files\ChimeraX\bin\lib\site-
    5159 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5160 cget(self._c_pointers, n, pointer(values)) 
    5161 OSError: exception: access violation reading 0x0000000000041468 
    5162  
    5163 OSError: exception: access violation reading 0x0000000000041468 
    5164  
    5165 File "C:\Program Files\ChimeraX\bin\lib\site-
    5166 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5167 cget(self._c_pointers, n, pointer(values)) 
    5168  
    5169 See log for complete Python traceback. 
    5170  
    5171 Traceback (most recent call last): 
    5172 File "C:\Program Files\ChimeraX\bin\lib\site-
    5173 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5174 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5175 File "C:\Program Files\ChimeraX\bin\lib\site-
    5176 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5177 mouse_pause_tracking 
    5178 self._mouse_pause() 
    5179 File "C:\Program Files\ChimeraX\bin\lib\site-
    5180 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5181 m.pause(self._mouse_pause_position) 
    5182 File "C:\Program Files\ChimeraX\bin\lib\site-
    5183 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5184 p = self.view.picked_object(x, y) 
    5185 File "C:\Program Files\ChimeraX\bin\lib\site-
    5186 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5187 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5188 beyond, 
    5189 File "C:\Program Files\ChimeraX\bin\lib\site-
    5190 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5191 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5192 File "C:\Program Files\ChimeraX\bin\lib\site-
    5193 packages\chimerax\core\models.py", line 126, in first_intercept 
    5194 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5195 File "C:\Program Files\ChimeraX\bin\lib\site-
    5196 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5197 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5198 exclude=exclude) 
    5199 File "C:\Program Files\ChimeraX\bin\lib\site-
    5200 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5201 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5202 File "C:\Program Files\ChimeraX\bin\lib\site-
    5203 packages\chimerax\core\models.py", line 126, in first_intercept 
    5204 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5205 File "C:\Program Files\ChimeraX\bin\lib\site-
    5206 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5207 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5208 exclude=exclude) 
    5209 File "C:\Program Files\ChimeraX\bin\lib\site-
    5210 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5211 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5212 File "C:\Program Files\ChimeraX\bin\lib\site-
    5213 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5214 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5215 File "C:\Program Files\ChimeraX\bin\lib\site-
    5216 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5217 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5218 File "C:\Program Files\ChimeraX\bin\lib\site-
    5219 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5220 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5221 File "C:\Program Files\ChimeraX\bin\lib\site-
    5222 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5223 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5224 File "C:\Program Files\ChimeraX\bin\lib\site-
    5225 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5226 cget(self._c_pointers, n, pointer(values)) 
    5227 OSError: exception: access violation reading 0x0000000000041468 
    5228  
    5229 OSError: exception: access violation reading 0x0000000000041468 
    5230  
    5231 File "C:\Program Files\ChimeraX\bin\lib\site-
    5232 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5233 cget(self._c_pointers, n, pointer(values)) 
    5234  
    5235 See log for complete Python traceback. 
    5236  
    5237 Traceback (most recent call last): 
    5238 File "C:\Program Files\ChimeraX\bin\lib\site-
    5239 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5240 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5241 File "C:\Program Files\ChimeraX\bin\lib\site-
    5242 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5243 mouse_pause_tracking 
    5244 self._mouse_pause() 
    5245 File "C:\Program Files\ChimeraX\bin\lib\site-
    5246 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5247 m.pause(self._mouse_pause_position) 
    5248 File "C:\Program Files\ChimeraX\bin\lib\site-
    5249 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5250 p = self.view.picked_object(x, y) 
    5251 File "C:\Program Files\ChimeraX\bin\lib\site-
    5252 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5253 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5254 beyond, 
    5255 File "C:\Program Files\ChimeraX\bin\lib\site-
    5256 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5257 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5258 File "C:\Program Files\ChimeraX\bin\lib\site-
    5259 packages\chimerax\core\models.py", line 126, in first_intercept 
    5260 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5261 File "C:\Program Files\ChimeraX\bin\lib\site-
    5262 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5263 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5264 exclude=exclude) 
    5265 File "C:\Program Files\ChimeraX\bin\lib\site-
    5266 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5267 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5268 File "C:\Program Files\ChimeraX\bin\lib\site-
    5269 packages\chimerax\core\models.py", line 126, in first_intercept 
    5270 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5271 File "C:\Program Files\ChimeraX\bin\lib\site-
    5272 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5273 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5274 exclude=exclude) 
    5275 File "C:\Program Files\ChimeraX\bin\lib\site-
    5276 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5277 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5278 File "C:\Program Files\ChimeraX\bin\lib\site-
    5279 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5280 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5281 File "C:\Program Files\ChimeraX\bin\lib\site-
    5282 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5283 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5284 File "C:\Program Files\ChimeraX\bin\lib\site-
    5285 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5286 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5287 File "C:\Program Files\ChimeraX\bin\lib\site-
    5288 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5289 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5290 File "C:\Program Files\ChimeraX\bin\lib\site-
    5291 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5292 cget(self._c_pointers, n, pointer(values)) 
    5293 OSError: exception: access violation reading 0x0000000000041468 
    5294  
    5295 OSError: exception: access violation reading 0x0000000000041468 
    5296  
    5297 File "C:\Program Files\ChimeraX\bin\lib\site-
    5298 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5299 cget(self._c_pointers, n, pointer(values)) 
    5300  
    5301 See log for complete Python traceback. 
    5302  
    5303 Traceback (most recent call last): 
    5304 File "C:\Program Files\ChimeraX\bin\lib\site-
    5305 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5306 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5307 File "C:\Program Files\ChimeraX\bin\lib\site-
    5308 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5309 mouse_pause_tracking 
    5310 self._mouse_pause() 
    5311 File "C:\Program Files\ChimeraX\bin\lib\site-
    5312 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5313 m.pause(self._mouse_pause_position) 
    5314 File "C:\Program Files\ChimeraX\bin\lib\site-
    5315 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5316 p = self.view.picked_object(x, y) 
    5317 File "C:\Program Files\ChimeraX\bin\lib\site-
    5318 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5319 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5320 beyond, 
    5321 File "C:\Program Files\ChimeraX\bin\lib\site-
    5322 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5323 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5324 File "C:\Program Files\ChimeraX\bin\lib\site-
    5325 packages\chimerax\core\models.py", line 126, in first_intercept 
    5326 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5327 File "C:\Program Files\ChimeraX\bin\lib\site-
    5328 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5329 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5330 exclude=exclude) 
    5331 File "C:\Program Files\ChimeraX\bin\lib\site-
    5332 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5333 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5334 File "C:\Program Files\ChimeraX\bin\lib\site-
    5335 packages\chimerax\core\models.py", line 126, in first_intercept 
    5336 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5337 File "C:\Program Files\ChimeraX\bin\lib\site-
    5338 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5339 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5340 exclude=exclude) 
    5341 File "C:\Program Files\ChimeraX\bin\lib\site-
    5342 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5343 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5344 File "C:\Program Files\ChimeraX\bin\lib\site-
    5345 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5346 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5347 File "C:\Program Files\ChimeraX\bin\lib\site-
    5348 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5349 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5350 File "C:\Program Files\ChimeraX\bin\lib\site-
    5351 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5352 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5353 File "C:\Program Files\ChimeraX\bin\lib\site-
    5354 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5355 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5356 File "C:\Program Files\ChimeraX\bin\lib\site-
    5357 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5358 cget(self._c_pointers, n, pointer(values)) 
    5359 OSError: exception: access violation reading 0x0000000000041468 
    5360  
    5361 OSError: exception: access violation reading 0x0000000000041468 
    5362  
    5363 File "C:\Program Files\ChimeraX\bin\lib\site-
    5364 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5365 cget(self._c_pointers, n, pointer(values)) 
    5366  
    5367 See log for complete Python traceback. 
    5368  
    5369 Traceback (most recent call last): 
    5370 File "C:\Program Files\ChimeraX\bin\lib\site-
    5371 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5372 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5373 File "C:\Program Files\ChimeraX\bin\lib\site-
    5374 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5375 mouse_pause_tracking 
    5376 self._mouse_pause() 
    5377 File "C:\Program Files\ChimeraX\bin\lib\site-
    5378 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5379 m.pause(self._mouse_pause_position) 
    5380 File "C:\Program Files\ChimeraX\bin\lib\site-
    5381 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5382 p = self.view.picked_object(x, y) 
    5383 File "C:\Program Files\ChimeraX\bin\lib\site-
    5384 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5385 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5386 beyond, 
    5387 File "C:\Program Files\ChimeraX\bin\lib\site-
    5388 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5389 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5390 File "C:\Program Files\ChimeraX\bin\lib\site-
    5391 packages\chimerax\core\models.py", line 126, in first_intercept 
    5392 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5393 File "C:\Program Files\ChimeraX\bin\lib\site-
    5394 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5395 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5396 exclude=exclude) 
    5397 File "C:\Program Files\ChimeraX\bin\lib\site-
    5398 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5399 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5400 File "C:\Program Files\ChimeraX\bin\lib\site-
    5401 packages\chimerax\core\models.py", line 126, in first_intercept 
    5402 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5403 File "C:\Program Files\ChimeraX\bin\lib\site-
    5404 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5405 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5406 exclude=exclude) 
    5407 File "C:\Program Files\ChimeraX\bin\lib\site-
    5408 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5409 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5410 File "C:\Program Files\ChimeraX\bin\lib\site-
    5411 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5412 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5413 File "C:\Program Files\ChimeraX\bin\lib\site-
    5414 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5415 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5416 File "C:\Program Files\ChimeraX\bin\lib\site-
    5417 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5418 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5419 File "C:\Program Files\ChimeraX\bin\lib\site-
    5420 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5421 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5422 File "C:\Program Files\ChimeraX\bin\lib\site-
    5423 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5424 cget(self._c_pointers, n, pointer(values)) 
    5425 OSError: exception: access violation reading 0x0000000000041468 
    5426  
    5427 OSError: exception: access violation reading 0x0000000000041468 
    5428  
    5429 File "C:\Program Files\ChimeraX\bin\lib\site-
    5430 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5431 cget(self._c_pointers, n, pointer(values)) 
    5432  
    5433 See log for complete Python traceback. 
    5434  
    5435 Traceback (most recent call last): 
    5436 File "C:\Program Files\ChimeraX\bin\lib\site-
    5437 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5438 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5439 File "C:\Program Files\ChimeraX\bin\lib\site-
    5440 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5441 mouse_pause_tracking 
    5442 self._mouse_pause() 
    5443 File "C:\Program Files\ChimeraX\bin\lib\site-
    5444 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5445 m.pause(self._mouse_pause_position) 
    5446 File "C:\Program Files\ChimeraX\bin\lib\site-
    5447 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5448 p = self.view.picked_object(x, y) 
    5449 File "C:\Program Files\ChimeraX\bin\lib\site-
    5450 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5451 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5452 beyond, 
    5453 File "C:\Program Files\ChimeraX\bin\lib\site-
    5454 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5455 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5456 File "C:\Program Files\ChimeraX\bin\lib\site-
    5457 packages\chimerax\core\models.py", line 126, in first_intercept 
    5458 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5459 File "C:\Program Files\ChimeraX\bin\lib\site-
    5460 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5461 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5462 exclude=exclude) 
    5463 File "C:\Program Files\ChimeraX\bin\lib\site-
    5464 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5465 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5466 File "C:\Program Files\ChimeraX\bin\lib\site-
    5467 packages\chimerax\core\models.py", line 126, in first_intercept 
    5468 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5469 File "C:\Program Files\ChimeraX\bin\lib\site-
    5470 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5471 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5472 exclude=exclude) 
    5473 File "C:\Program Files\ChimeraX\bin\lib\site-
    5474 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5475 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5476 File "C:\Program Files\ChimeraX\bin\lib\site-
    5477 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5478 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5479 File "C:\Program Files\ChimeraX\bin\lib\site-
    5480 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5481 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5482 File "C:\Program Files\ChimeraX\bin\lib\site-
    5483 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5484 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5485 File "C:\Program Files\ChimeraX\bin\lib\site-
    5486 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5487 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5488 File "C:\Program Files\ChimeraX\bin\lib\site-
    5489 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5490 cget(self._c_pointers, n, pointer(values)) 
    5491 OSError: exception: access violation reading 0x0000000000041468 
    5492  
    5493 OSError: exception: access violation reading 0x0000000000041468 
    5494  
    5495 File "C:\Program Files\ChimeraX\bin\lib\site-
    5496 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5497 cget(self._c_pointers, n, pointer(values)) 
    5498  
    5499 See log for complete Python traceback. 
    5500  
    5501 Traceback (most recent call last): 
    5502 File "C:\Program Files\ChimeraX\bin\lib\site-
    5503 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5504 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5505 File "C:\Program Files\ChimeraX\bin\lib\site-
    5506 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5507 mouse_pause_tracking 
    5508 self._mouse_pause() 
    5509 File "C:\Program Files\ChimeraX\bin\lib\site-
    5510 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5511 m.pause(self._mouse_pause_position) 
    5512 File "C:\Program Files\ChimeraX\bin\lib\site-
    5513 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5514 p = self.view.picked_object(x, y) 
    5515 File "C:\Program Files\ChimeraX\bin\lib\site-
    5516 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5517 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5518 beyond, 
    5519 File "C:\Program Files\ChimeraX\bin\lib\site-
    5520 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5521 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5522 File "C:\Program Files\ChimeraX\bin\lib\site-
    5523 packages\chimerax\core\models.py", line 126, in first_intercept 
    5524 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5525 File "C:\Program Files\ChimeraX\bin\lib\site-
    5526 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5527 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5528 exclude=exclude) 
    5529 File "C:\Program Files\ChimeraX\bin\lib\site-
    5530 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5531 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5532 File "C:\Program Files\ChimeraX\bin\lib\site-
    5533 packages\chimerax\core\models.py", line 126, in first_intercept 
    5534 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5535 File "C:\Program Files\ChimeraX\bin\lib\site-
    5536 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5537 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5538 exclude=exclude) 
    5539 File "C:\Program Files\ChimeraX\bin\lib\site-
    5540 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5541 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5542 File "C:\Program Files\ChimeraX\bin\lib\site-
    5543 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5544 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5545 File "C:\Program Files\ChimeraX\bin\lib\site-
    5546 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5547 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5548 File "C:\Program Files\ChimeraX\bin\lib\site-
    5549 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5550 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5551 File "C:\Program Files\ChimeraX\bin\lib\site-
    5552 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5553 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5554 File "C:\Program Files\ChimeraX\bin\lib\site-
    5555 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5556 cget(self._c_pointers, n, pointer(values)) 
    5557 OSError: exception: access violation reading 0x0000000000041468 
    5558  
    5559 OSError: exception: access violation reading 0x0000000000041468 
    5560  
    5561 File "C:\Program Files\ChimeraX\bin\lib\site-
    5562 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5563 cget(self._c_pointers, n, pointer(values)) 
    5564  
    5565 See log for complete Python traceback. 
    5566  
    5567 Traceback (most recent call last): 
    5568 File "C:\Program Files\ChimeraX\bin\lib\site-
    5569 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5570 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5571 File "C:\Program Files\ChimeraX\bin\lib\site-
    5572 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5573 mouse_pause_tracking 
    5574 self._mouse_pause() 
    5575 File "C:\Program Files\ChimeraX\bin\lib\site-
    5576 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5577 m.pause(self._mouse_pause_position) 
    5578 File "C:\Program Files\ChimeraX\bin\lib\site-
    5579 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5580 p = self.view.picked_object(x, y) 
    5581 File "C:\Program Files\ChimeraX\bin\lib\site-
    5582 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5583 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5584 beyond, 
    5585 File "C:\Program Files\ChimeraX\bin\lib\site-
    5586 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5587 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5588 File "C:\Program Files\ChimeraX\bin\lib\site-
    5589 packages\chimerax\core\models.py", line 126, in first_intercept 
    5590 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5591 File "C:\Program Files\ChimeraX\bin\lib\site-
    5592 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5593 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5594 exclude=exclude) 
    5595 File "C:\Program Files\ChimeraX\bin\lib\site-
    5596 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5597 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5598 File "C:\Program Files\ChimeraX\bin\lib\site-
    5599 packages\chimerax\core\models.py", line 126, in first_intercept 
    5600 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5601 File "C:\Program Files\ChimeraX\bin\lib\site-
    5602 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5603 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5604 exclude=exclude) 
    5605 File "C:\Program Files\ChimeraX\bin\lib\site-
    5606 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5607 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5608 File "C:\Program Files\ChimeraX\bin\lib\site-
    5609 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5610 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5611 File "C:\Program Files\ChimeraX\bin\lib\site-
    5612 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5613 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5614 File "C:\Program Files\ChimeraX\bin\lib\site-
    5615 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5616 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5617 File "C:\Program Files\ChimeraX\bin\lib\site-
    5618 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5619 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5620 File "C:\Program Files\ChimeraX\bin\lib\site-
    5621 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5622 cget(self._c_pointers, n, pointer(values)) 
    5623 OSError: exception: access violation reading 0x0000000000041468 
    5624  
    5625 OSError: exception: access violation reading 0x0000000000041468 
    5626  
    5627 File "C:\Program Files\ChimeraX\bin\lib\site-
    5628 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5629 cget(self._c_pointers, n, pointer(values)) 
    5630  
    5631 See log for complete Python traceback. 
    5632  
    5633 Traceback (most recent call last): 
    5634 File "C:\Program Files\ChimeraX\bin\lib\site-
    5635 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5636 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5637 File "C:\Program Files\ChimeraX\bin\lib\site-
    5638 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5639 mouse_pause_tracking 
    5640 self._mouse_pause() 
    5641 File "C:\Program Files\ChimeraX\bin\lib\site-
    5642 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5643 m.pause(self._mouse_pause_position) 
    5644 File "C:\Program Files\ChimeraX\bin\lib\site-
    5645 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5646 p = self.view.picked_object(x, y) 
    5647 File "C:\Program Files\ChimeraX\bin\lib\site-
    5648 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5649 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5650 beyond, 
    5651 File "C:\Program Files\ChimeraX\bin\lib\site-
    5652 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5653 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5654 File "C:\Program Files\ChimeraX\bin\lib\site-
    5655 packages\chimerax\core\models.py", line 126, in first_intercept 
    5656 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5657 File "C:\Program Files\ChimeraX\bin\lib\site-
    5658 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5659 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5660 exclude=exclude) 
    5661 File "C:\Program Files\ChimeraX\bin\lib\site-
    5662 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5663 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5664 File "C:\Program Files\ChimeraX\bin\lib\site-
    5665 packages\chimerax\core\models.py", line 126, in first_intercept 
    5666 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5667 File "C:\Program Files\ChimeraX\bin\lib\site-
    5668 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5669 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5670 exclude=exclude) 
    5671 File "C:\Program Files\ChimeraX\bin\lib\site-
    5672 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5673 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5674 File "C:\Program Files\ChimeraX\bin\lib\site-
    5675 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5676 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5677 File "C:\Program Files\ChimeraX\bin\lib\site-
    5678 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5679 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5680 File "C:\Program Files\ChimeraX\bin\lib\site-
    5681 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5682 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5683 File "C:\Program Files\ChimeraX\bin\lib\site-
    5684 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5685 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5686 File "C:\Program Files\ChimeraX\bin\lib\site-
    5687 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5688 cget(self._c_pointers, n, pointer(values)) 
    5689 OSError: exception: access violation reading 0x0000000000041468 
    5690  
    5691 OSError: exception: access violation reading 0x0000000000041468 
    5692  
    5693 File "C:\Program Files\ChimeraX\bin\lib\site-
    5694 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5695 cget(self._c_pointers, n, pointer(values)) 
    5696  
    5697 See log for complete Python traceback. 
    5698  
    5699 Traceback (most recent call last): 
    5700 File "C:\Program Files\ChimeraX\bin\lib\site-
    5701 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5702 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5703 File "C:\Program Files\ChimeraX\bin\lib\site-
    5704 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5705 mouse_pause_tracking 
    5706 self._mouse_pause() 
    5707 File "C:\Program Files\ChimeraX\bin\lib\site-
    5708 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5709 m.pause(self._mouse_pause_position) 
    5710 File "C:\Program Files\ChimeraX\bin\lib\site-
    5711 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5712 p = self.view.picked_object(x, y) 
    5713 File "C:\Program Files\ChimeraX\bin\lib\site-
    5714 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5715 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5716 beyond, 
    5717 File "C:\Program Files\ChimeraX\bin\lib\site-
    5718 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5719 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5720 File "C:\Program Files\ChimeraX\bin\lib\site-
    5721 packages\chimerax\core\models.py", line 126, in first_intercept 
    5722 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5723 File "C:\Program Files\ChimeraX\bin\lib\site-
    5724 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5725 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5726 exclude=exclude) 
    5727 File "C:\Program Files\ChimeraX\bin\lib\site-
    5728 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5729 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5730 File "C:\Program Files\ChimeraX\bin\lib\site-
    5731 packages\chimerax\core\models.py", line 126, in first_intercept 
    5732 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5733 File "C:\Program Files\ChimeraX\bin\lib\site-
    5734 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5735 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5736 exclude=exclude) 
    5737 File "C:\Program Files\ChimeraX\bin\lib\site-
    5738 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5739 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5740 File "C:\Program Files\ChimeraX\bin\lib\site-
    5741 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5742 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5743 File "C:\Program Files\ChimeraX\bin\lib\site-
    5744 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5745 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5746 File "C:\Program Files\ChimeraX\bin\lib\site-
    5747 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5748 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5749 File "C:\Program Files\ChimeraX\bin\lib\site-
    5750 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5751 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5752 File "C:\Program Files\ChimeraX\bin\lib\site-
    5753 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5754 cget(self._c_pointers, n, pointer(values)) 
    5755 OSError: exception: access violation reading 0x0000000000041468 
    5756  
    5757 OSError: exception: access violation reading 0x0000000000041468 
    5758  
    5759 File "C:\Program Files\ChimeraX\bin\lib\site-
    5760 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5761 cget(self._c_pointers, n, pointer(values)) 
    5762  
    5763 See log for complete Python traceback. 
    5764  
    5765 Traceback (most recent call last): 
    5766 File "C:\Program Files\ChimeraX\bin\lib\site-
    5767 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5768 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5769 File "C:\Program Files\ChimeraX\bin\lib\site-
    5770 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5771 mouse_pause_tracking 
    5772 self._mouse_pause() 
    5773 File "C:\Program Files\ChimeraX\bin\lib\site-
    5774 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5775 m.pause(self._mouse_pause_position) 
    5776 File "C:\Program Files\ChimeraX\bin\lib\site-
    5777 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5778 p = self.view.picked_object(x, y) 
    5779 File "C:\Program Files\ChimeraX\bin\lib\site-
    5780 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5781 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5782 beyond, 
    5783 File "C:\Program Files\ChimeraX\bin\lib\site-
    5784 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5785 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5786 File "C:\Program Files\ChimeraX\bin\lib\site-
    5787 packages\chimerax\core\models.py", line 126, in first_intercept 
    5788 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5789 File "C:\Program Files\ChimeraX\bin\lib\site-
    5790 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5791 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5792 exclude=exclude) 
    5793 File "C:\Program Files\ChimeraX\bin\lib\site-
    5794 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5795 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5796 File "C:\Program Files\ChimeraX\bin\lib\site-
    5797 packages\chimerax\core\models.py", line 126, in first_intercept 
    5798 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5799 File "C:\Program Files\ChimeraX\bin\lib\site-
    5800 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5801 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5802 exclude=exclude) 
    5803 File "C:\Program Files\ChimeraX\bin\lib\site-
    5804 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5805 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5806 File "C:\Program Files\ChimeraX\bin\lib\site-
    5807 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5808 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5809 File "C:\Program Files\ChimeraX\bin\lib\site-
    5810 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5811 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5812 File "C:\Program Files\ChimeraX\bin\lib\site-
    5813 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5814 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5815 File "C:\Program Files\ChimeraX\bin\lib\site-
    5816 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5817 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5818 File "C:\Program Files\ChimeraX\bin\lib\site-
    5819 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5820 cget(self._c_pointers, n, pointer(values)) 
    5821 OSError: exception: access violation reading 0x0000000000041468 
    5822  
    5823 OSError: exception: access violation reading 0x0000000000041468 
    5824  
    5825 File "C:\Program Files\ChimeraX\bin\lib\site-
    5826 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5827 cget(self._c_pointers, n, pointer(values)) 
    5828  
    5829 See log for complete Python traceback. 
    5830  
    5831 Traceback (most recent call last): 
    5832 File "C:\Program Files\ChimeraX\bin\lib\site-
    5833 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5834 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5835 File "C:\Program Files\ChimeraX\bin\lib\site-
    5836 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5837 mouse_pause_tracking 
    5838 self._mouse_pause() 
    5839 File "C:\Program Files\ChimeraX\bin\lib\site-
    5840 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5841 m.pause(self._mouse_pause_position) 
    5842 File "C:\Program Files\ChimeraX\bin\lib\site-
    5843 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5844 p = self.view.picked_object(x, y) 
    5845 File "C:\Program Files\ChimeraX\bin\lib\site-
    5846 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5847 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5848 beyond, 
    5849 File "C:\Program Files\ChimeraX\bin\lib\site-
    5850 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5851 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5852 File "C:\Program Files\ChimeraX\bin\lib\site-
    5853 packages\chimerax\core\models.py", line 126, in first_intercept 
    5854 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5855 File "C:\Program Files\ChimeraX\bin\lib\site-
    5856 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5857 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5858 exclude=exclude) 
    5859 File "C:\Program Files\ChimeraX\bin\lib\site-
    5860 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5861 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5862 File "C:\Program Files\ChimeraX\bin\lib\site-
    5863 packages\chimerax\core\models.py", line 126, in first_intercept 
    5864 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5865 File "C:\Program Files\ChimeraX\bin\lib\site-
    5866 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5867 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5868 exclude=exclude) 
    5869 File "C:\Program Files\ChimeraX\bin\lib\site-
    5870 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5871 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5872 File "C:\Program Files\ChimeraX\bin\lib\site-
    5873 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5874 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5875 File "C:\Program Files\ChimeraX\bin\lib\site-
    5876 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5877 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5878 File "C:\Program Files\ChimeraX\bin\lib\site-
    5879 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5880 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5881 File "C:\Program Files\ChimeraX\bin\lib\site-
    5882 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5883 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5884 File "C:\Program Files\ChimeraX\bin\lib\site-
    5885 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5886 cget(self._c_pointers, n, pointer(values)) 
    5887 OSError: exception: access violation reading 0x0000000000041468 
    5888  
    5889 OSError: exception: access violation reading 0x0000000000041468 
    5890  
    5891 File "C:\Program Files\ChimeraX\bin\lib\site-
    5892 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5893 cget(self._c_pointers, n, pointer(values)) 
    5894  
    5895 See log for complete Python traceback. 
    5896  
    5897 Traceback (most recent call last): 
    5898 File "C:\Program Files\ChimeraX\bin\lib\site-
    5899 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5900 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5901 File "C:\Program Files\ChimeraX\bin\lib\site-
    5902 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5903 mouse_pause_tracking 
    5904 self._mouse_pause() 
    5905 File "C:\Program Files\ChimeraX\bin\lib\site-
    5906 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5907 m.pause(self._mouse_pause_position) 
    5908 File "C:\Program Files\ChimeraX\bin\lib\site-
    5909 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5910 p = self.view.picked_object(x, y) 
    5911 File "C:\Program Files\ChimeraX\bin\lib\site-
    5912 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5913 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5914 beyond, 
    5915 File "C:\Program Files\ChimeraX\bin\lib\site-
    5916 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5917 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5918 File "C:\Program Files\ChimeraX\bin\lib\site-
    5919 packages\chimerax\core\models.py", line 126, in first_intercept 
    5920 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5921 File "C:\Program Files\ChimeraX\bin\lib\site-
    5922 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5923 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5924 exclude=exclude) 
    5925 File "C:\Program Files\ChimeraX\bin\lib\site-
    5926 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5927 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5928 File "C:\Program Files\ChimeraX\bin\lib\site-
    5929 packages\chimerax\core\models.py", line 126, in first_intercept 
    5930 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5931 File "C:\Program Files\ChimeraX\bin\lib\site-
    5932 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5933 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5934 exclude=exclude) 
    5935 File "C:\Program Files\ChimeraX\bin\lib\site-
    5936 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5937 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5938 File "C:\Program Files\ChimeraX\bin\lib\site-
    5939 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    5940 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    5941 File "C:\Program Files\ChimeraX\bin\lib\site-
    5942 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    5943 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    5944 File "C:\Program Files\ChimeraX\bin\lib\site-
    5945 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    5946 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    5947 File "C:\Program Files\ChimeraX\bin\lib\site-
    5948 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    5949 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    5950 File "C:\Program Files\ChimeraX\bin\lib\site-
    5951 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5952 cget(self._c_pointers, n, pointer(values)) 
    5953 OSError: exception: access violation reading 0x0000000000041468 
    5954  
    5955 OSError: exception: access violation reading 0x0000000000041468 
    5956  
    5957 File "C:\Program Files\ChimeraX\bin\lib\site-
    5958 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    5959 cget(self._c_pointers, n, pointer(values)) 
    5960  
    5961 See log for complete Python traceback. 
    5962  
    5963 Traceback (most recent call last): 
    5964 File "C:\Program Files\ChimeraX\bin\lib\site-
    5965 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    5966 self.session.ui.mouse_modes.mouse_pause_tracking() 
    5967 File "C:\Program Files\ChimeraX\bin\lib\site-
    5968 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    5969 mouse_pause_tracking 
    5970 self._mouse_pause() 
    5971 File "C:\Program Files\ChimeraX\bin\lib\site-
    5972 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    5973 m.pause(self._mouse_pause_position) 
    5974 File "C:\Program Files\ChimeraX\bin\lib\site-
    5975 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    5976 p = self.view.picked_object(x, y) 
    5977 File "C:\Program Files\ChimeraX\bin\lib\site-
    5978 packages\chimerax\graphics\view.py", line 817, in picked_object 
    5979 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    5980 beyond, 
    5981 File "C:\Program Files\ChimeraX\bin\lib\site-
    5982 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    5983 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    5984 File "C:\Program Files\ChimeraX\bin\lib\site-
    5985 packages\chimerax\core\models.py", line 126, in first_intercept 
    5986 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5987 File "C:\Program Files\ChimeraX\bin\lib\site-
    5988 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5989 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    5990 exclude=exclude) 
    5991 File "C:\Program Files\ChimeraX\bin\lib\site-
    5992 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    5993 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    5994 File "C:\Program Files\ChimeraX\bin\lib\site-
    5995 packages\chimerax\core\models.py", line 126, in first_intercept 
    5996 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    5997 File "C:\Program Files\ChimeraX\bin\lib\site-
    5998 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    5999 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6000 exclude=exclude) 
    6001 File "C:\Program Files\ChimeraX\bin\lib\site-
    6002 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6003 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6004 File "C:\Program Files\ChimeraX\bin\lib\site-
    6005 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6006 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6007 File "C:\Program Files\ChimeraX\bin\lib\site-
    6008 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6009 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6010 File "C:\Program Files\ChimeraX\bin\lib\site-
    6011 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6012 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6013 File "C:\Program Files\ChimeraX\bin\lib\site-
    6014 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6015 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6016 File "C:\Program Files\ChimeraX\bin\lib\site-
    6017 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6018 cget(self._c_pointers, n, pointer(values)) 
    6019 OSError: exception: access violation reading 0x0000000000041468 
    6020  
    6021 OSError: exception: access violation reading 0x0000000000041468 
    6022  
    6023 File "C:\Program Files\ChimeraX\bin\lib\site-
    6024 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6025 cget(self._c_pointers, n, pointer(values)) 
    6026  
    6027 See log for complete Python traceback. 
    6028  
    6029 Traceback (most recent call last): 
    6030 File "C:\Program Files\ChimeraX\bin\lib\site-
    6031 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6032 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6033 File "C:\Program Files\ChimeraX\bin\lib\site-
    6034 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6035 mouse_pause_tracking 
    6036 self._mouse_pause() 
    6037 File "C:\Program Files\ChimeraX\bin\lib\site-
    6038 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6039 m.pause(self._mouse_pause_position) 
    6040 File "C:\Program Files\ChimeraX\bin\lib\site-
    6041 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6042 p = self.view.picked_object(x, y) 
    6043 File "C:\Program Files\ChimeraX\bin\lib\site-
    6044 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6045 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6046 beyond, 
    6047 File "C:\Program Files\ChimeraX\bin\lib\site-
    6048 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6049 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6050 File "C:\Program Files\ChimeraX\bin\lib\site-
    6051 packages\chimerax\core\models.py", line 126, in first_intercept 
    6052 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6053 File "C:\Program Files\ChimeraX\bin\lib\site-
    6054 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6055 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6056 exclude=exclude) 
    6057 File "C:\Program Files\ChimeraX\bin\lib\site-
    6058 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6059 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6060 File "C:\Program Files\ChimeraX\bin\lib\site-
    6061 packages\chimerax\core\models.py", line 126, in first_intercept 
    6062 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6063 File "C:\Program Files\ChimeraX\bin\lib\site-
    6064 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6065 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6066 exclude=exclude) 
    6067 File "C:\Program Files\ChimeraX\bin\lib\site-
    6068 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6069 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6070 File "C:\Program Files\ChimeraX\bin\lib\site-
    6071 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6072 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6073 File "C:\Program Files\ChimeraX\bin\lib\site-
    6074 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6075 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6076 File "C:\Program Files\ChimeraX\bin\lib\site-
    6077 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6078 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6079 File "C:\Program Files\ChimeraX\bin\lib\site-
    6080 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6081 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6082 File "C:\Program Files\ChimeraX\bin\lib\site-
    6083 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6084 cget(self._c_pointers, n, pointer(values)) 
    6085 OSError: exception: access violation reading 0x0000000000041468 
    6086  
    6087 OSError: exception: access violation reading 0x0000000000041468 
    6088  
    6089 File "C:\Program Files\ChimeraX\bin\lib\site-
    6090 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6091 cget(self._c_pointers, n, pointer(values)) 
    6092  
    6093 See log for complete Python traceback. 
    6094  
    6095 Traceback (most recent call last): 
    6096 File "C:\Program Files\ChimeraX\bin\lib\site-
    6097 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6098 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6099 File "C:\Program Files\ChimeraX\bin\lib\site-
    6100 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6101 mouse_pause_tracking 
    6102 self._mouse_pause() 
    6103 File "C:\Program Files\ChimeraX\bin\lib\site-
    6104 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6105 m.pause(self._mouse_pause_position) 
    6106 File "C:\Program Files\ChimeraX\bin\lib\site-
    6107 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6108 p = self.view.picked_object(x, y) 
    6109 File "C:\Program Files\ChimeraX\bin\lib\site-
    6110 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6111 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6112 beyond, 
    6113 File "C:\Program Files\ChimeraX\bin\lib\site-
    6114 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6115 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6116 File "C:\Program Files\ChimeraX\bin\lib\site-
    6117 packages\chimerax\core\models.py", line 126, in first_intercept 
    6118 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6119 File "C:\Program Files\ChimeraX\bin\lib\site-
    6120 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6121 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6122 exclude=exclude) 
    6123 File "C:\Program Files\ChimeraX\bin\lib\site-
    6124 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6125 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6126 File "C:\Program Files\ChimeraX\bin\lib\site-
    6127 packages\chimerax\core\models.py", line 126, in first_intercept 
    6128 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6129 File "C:\Program Files\ChimeraX\bin\lib\site-
    6130 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6131 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6132 exclude=exclude) 
    6133 File "C:\Program Files\ChimeraX\bin\lib\site-
    6134 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6135 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6136 File "C:\Program Files\ChimeraX\bin\lib\site-
    6137 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6138 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6139 File "C:\Program Files\ChimeraX\bin\lib\site-
    6140 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6141 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6142 File "C:\Program Files\ChimeraX\bin\lib\site-
    6143 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6144 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6145 File "C:\Program Files\ChimeraX\bin\lib\site-
    6146 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6147 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6148 File "C:\Program Files\ChimeraX\bin\lib\site-
    6149 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6150 cget(self._c_pointers, n, pointer(values)) 
    6151 OSError: exception: access violation reading 0x0000000000041468 
    6152  
    6153 OSError: exception: access violation reading 0x0000000000041468 
    6154  
    6155 File "C:\Program Files\ChimeraX\bin\lib\site-
    6156 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6157 cget(self._c_pointers, n, pointer(values)) 
    6158  
    6159 See log for complete Python traceback. 
    6160  
    6161 Traceback (most recent call last): 
    6162 File "C:\Program Files\ChimeraX\bin\lib\site-
    6163 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6164 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6165 File "C:\Program Files\ChimeraX\bin\lib\site-
    6166 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6167 mouse_pause_tracking 
    6168 self._mouse_pause() 
    6169 File "C:\Program Files\ChimeraX\bin\lib\site-
    6170 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6171 m.pause(self._mouse_pause_position) 
    6172 File "C:\Program Files\ChimeraX\bin\lib\site-
    6173 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6174 p = self.view.picked_object(x, y) 
    6175 File "C:\Program Files\ChimeraX\bin\lib\site-
    6176 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6177 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6178 beyond, 
    6179 File "C:\Program Files\ChimeraX\bin\lib\site-
    6180 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6181 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6182 File "C:\Program Files\ChimeraX\bin\lib\site-
    6183 packages\chimerax\core\models.py", line 126, in first_intercept 
    6184 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6185 File "C:\Program Files\ChimeraX\bin\lib\site-
    6186 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6187 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6188 exclude=exclude) 
    6189 File "C:\Program Files\ChimeraX\bin\lib\site-
    6190 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6191 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6192 File "C:\Program Files\ChimeraX\bin\lib\site-
    6193 packages\chimerax\core\models.py", line 126, in first_intercept 
    6194 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6195 File "C:\Program Files\ChimeraX\bin\lib\site-
    6196 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6197 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6198 exclude=exclude) 
    6199 File "C:\Program Files\ChimeraX\bin\lib\site-
    6200 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6201 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6202 File "C:\Program Files\ChimeraX\bin\lib\site-
    6203 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6204 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6205 File "C:\Program Files\ChimeraX\bin\lib\site-
    6206 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6207 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6208 File "C:\Program Files\ChimeraX\bin\lib\site-
    6209 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6210 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6211 File "C:\Program Files\ChimeraX\bin\lib\site-
    6212 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6213 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6214 File "C:\Program Files\ChimeraX\bin\lib\site-
    6215 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6216 cget(self._c_pointers, n, pointer(values)) 
    6217 OSError: exception: access violation reading 0x0000000000041468 
    6218  
    6219 OSError: exception: access violation reading 0x0000000000041468 
    6220  
    6221 File "C:\Program Files\ChimeraX\bin\lib\site-
    6222 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6223 cget(self._c_pointers, n, pointer(values)) 
    6224  
    6225 See log for complete Python traceback. 
    6226  
    6227 Traceback (most recent call last): 
    6228 File "C:\Program Files\ChimeraX\bin\lib\site-
    6229 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6230 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6231 File "C:\Program Files\ChimeraX\bin\lib\site-
    6232 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6233 mouse_pause_tracking 
    6234 self._mouse_pause() 
    6235 File "C:\Program Files\ChimeraX\bin\lib\site-
    6236 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6237 m.pause(self._mouse_pause_position) 
    6238 File "C:\Program Files\ChimeraX\bin\lib\site-
    6239 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6240 p = self.view.picked_object(x, y) 
    6241 File "C:\Program Files\ChimeraX\bin\lib\site-
    6242 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6243 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6244 beyond, 
    6245 File "C:\Program Files\ChimeraX\bin\lib\site-
    6246 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6247 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6248 File "C:\Program Files\ChimeraX\bin\lib\site-
    6249 packages\chimerax\core\models.py", line 126, in first_intercept 
    6250 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6251 File "C:\Program Files\ChimeraX\bin\lib\site-
    6252 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6253 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6254 exclude=exclude) 
    6255 File "C:\Program Files\ChimeraX\bin\lib\site-
    6256 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6257 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6258 File "C:\Program Files\ChimeraX\bin\lib\site-
    6259 packages\chimerax\core\models.py", line 126, in first_intercept 
    6260 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6261 File "C:\Program Files\ChimeraX\bin\lib\site-
    6262 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6263 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6264 exclude=exclude) 
    6265 File "C:\Program Files\ChimeraX\bin\lib\site-
    6266 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6267 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6268 File "C:\Program Files\ChimeraX\bin\lib\site-
    6269 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6270 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6271 File "C:\Program Files\ChimeraX\bin\lib\site-
    6272 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6273 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6274 File "C:\Program Files\ChimeraX\bin\lib\site-
    6275 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6276 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6277 File "C:\Program Files\ChimeraX\bin\lib\site-
    6278 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6279 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6280 File "C:\Program Files\ChimeraX\bin\lib\site-
    6281 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6282 cget(self._c_pointers, n, pointer(values)) 
    6283 OSError: exception: access violation reading 0x0000000000041468 
    6284  
    6285 OSError: exception: access violation reading 0x0000000000041468 
    6286  
    6287 File "C:\Program Files\ChimeraX\bin\lib\site-
    6288 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6289 cget(self._c_pointers, n, pointer(values)) 
    6290  
    6291 See log for complete Python traceback. 
    6292  
    6293 Traceback (most recent call last): 
    6294 File "C:\Program Files\ChimeraX\bin\lib\site-
    6295 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6296 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6297 File "C:\Program Files\ChimeraX\bin\lib\site-
    6298 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6299 mouse_pause_tracking 
    6300 self._mouse_pause() 
    6301 File "C:\Program Files\ChimeraX\bin\lib\site-
    6302 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6303 m.pause(self._mouse_pause_position) 
    6304 File "C:\Program Files\ChimeraX\bin\lib\site-
    6305 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6306 p = self.view.picked_object(x, y) 
    6307 File "C:\Program Files\ChimeraX\bin\lib\site-
    6308 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6309 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6310 beyond, 
    6311 File "C:\Program Files\ChimeraX\bin\lib\site-
    6312 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6313 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6314 File "C:\Program Files\ChimeraX\bin\lib\site-
    6315 packages\chimerax\core\models.py", line 126, in first_intercept 
    6316 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6317 File "C:\Program Files\ChimeraX\bin\lib\site-
    6318 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6319 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6320 exclude=exclude) 
    6321 File "C:\Program Files\ChimeraX\bin\lib\site-
    6322 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6323 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6324 File "C:\Program Files\ChimeraX\bin\lib\site-
    6325 packages\chimerax\core\models.py", line 126, in first_intercept 
    6326 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6327 File "C:\Program Files\ChimeraX\bin\lib\site-
    6328 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6329 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6330 exclude=exclude) 
    6331 File "C:\Program Files\ChimeraX\bin\lib\site-
    6332 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6333 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6334 File "C:\Program Files\ChimeraX\bin\lib\site-
    6335 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6336 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6337 File "C:\Program Files\ChimeraX\bin\lib\site-
    6338 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6339 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6340 File "C:\Program Files\ChimeraX\bin\lib\site-
    6341 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6342 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6343 File "C:\Program Files\ChimeraX\bin\lib\site-
    6344 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6345 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6346 File "C:\Program Files\ChimeraX\bin\lib\site-
    6347 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6348 cget(self._c_pointers, n, pointer(values)) 
    6349 OSError: exception: access violation reading 0x0000000000041468 
    6350  
    6351 OSError: exception: access violation reading 0x0000000000041468 
    6352  
    6353 File "C:\Program Files\ChimeraX\bin\lib\site-
    6354 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6355 cget(self._c_pointers, n, pointer(values)) 
    6356  
    6357 See log for complete Python traceback. 
    6358  
    6359 Traceback (most recent call last): 
    6360 File "C:\Program Files\ChimeraX\bin\lib\site-
    6361 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6362 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6363 File "C:\Program Files\ChimeraX\bin\lib\site-
    6364 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6365 mouse_pause_tracking 
    6366 self._mouse_pause() 
    6367 File "C:\Program Files\ChimeraX\bin\lib\site-
    6368 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6369 m.pause(self._mouse_pause_position) 
    6370 File "C:\Program Files\ChimeraX\bin\lib\site-
    6371 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6372 p = self.view.picked_object(x, y) 
    6373 File "C:\Program Files\ChimeraX\bin\lib\site-
    6374 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6375 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6376 beyond, 
    6377 File "C:\Program Files\ChimeraX\bin\lib\site-
    6378 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6379 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6380 File "C:\Program Files\ChimeraX\bin\lib\site-
    6381 packages\chimerax\core\models.py", line 126, in first_intercept 
    6382 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6383 File "C:\Program Files\ChimeraX\bin\lib\site-
    6384 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6385 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6386 exclude=exclude) 
    6387 File "C:\Program Files\ChimeraX\bin\lib\site-
    6388 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6389 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6390 File "C:\Program Files\ChimeraX\bin\lib\site-
    6391 packages\chimerax\core\models.py", line 126, in first_intercept 
    6392 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6393 File "C:\Program Files\ChimeraX\bin\lib\site-
    6394 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6395 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6396 exclude=exclude) 
    6397 File "C:\Program Files\ChimeraX\bin\lib\site-
    6398 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6399 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6400 File "C:\Program Files\ChimeraX\bin\lib\site-
    6401 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6402 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6403 File "C:\Program Files\ChimeraX\bin\lib\site-
    6404 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6405 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6406 File "C:\Program Files\ChimeraX\bin\lib\site-
    6407 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6408 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6409 File "C:\Program Files\ChimeraX\bin\lib\site-
    6410 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6411 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6412 File "C:\Program Files\ChimeraX\bin\lib\site-
    6413 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6414 cget(self._c_pointers, n, pointer(values)) 
    6415 OSError: exception: access violation reading 0x0000000000041468 
    6416  
    6417 OSError: exception: access violation reading 0x0000000000041468 
    6418  
    6419 File "C:\Program Files\ChimeraX\bin\lib\site-
    6420 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6421 cget(self._c_pointers, n, pointer(values)) 
    6422  
    6423 See log for complete Python traceback. 
    6424  
    6425 Traceback (most recent call last): 
    6426 File "C:\Program Files\ChimeraX\bin\lib\site-
    6427 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6428 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6429 File "C:\Program Files\ChimeraX\bin\lib\site-
    6430 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6431 mouse_pause_tracking 
    6432 self._mouse_pause() 
    6433 File "C:\Program Files\ChimeraX\bin\lib\site-
    6434 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6435 m.pause(self._mouse_pause_position) 
    6436 File "C:\Program Files\ChimeraX\bin\lib\site-
    6437 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6438 p = self.view.picked_object(x, y) 
    6439 File "C:\Program Files\ChimeraX\bin\lib\site-
    6440 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6441 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6442 beyond, 
    6443 File "C:\Program Files\ChimeraX\bin\lib\site-
    6444 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6445 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6446 File "C:\Program Files\ChimeraX\bin\lib\site-
    6447 packages\chimerax\core\models.py", line 126, in first_intercept 
    6448 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6449 File "C:\Program Files\ChimeraX\bin\lib\site-
    6450 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6451 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6452 exclude=exclude) 
    6453 File "C:\Program Files\ChimeraX\bin\lib\site-
    6454 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6455 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6456 File "C:\Program Files\ChimeraX\bin\lib\site-
    6457 packages\chimerax\core\models.py", line 126, in first_intercept 
    6458 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6459 File "C:\Program Files\ChimeraX\bin\lib\site-
    6460 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6461 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6462 exclude=exclude) 
    6463 File "C:\Program Files\ChimeraX\bin\lib\site-
    6464 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6465 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6466 File "C:\Program Files\ChimeraX\bin\lib\site-
    6467 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6468 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6469 File "C:\Program Files\ChimeraX\bin\lib\site-
    6470 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6471 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6472 File "C:\Program Files\ChimeraX\bin\lib\site-
    6473 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6474 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6475 File "C:\Program Files\ChimeraX\bin\lib\site-
    6476 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6477 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6478 File "C:\Program Files\ChimeraX\bin\lib\site-
    6479 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6480 cget(self._c_pointers, n, pointer(values)) 
    6481 OSError: exception: access violation reading 0x0000000000041468 
    6482  
    6483 OSError: exception: access violation reading 0x0000000000041468 
    6484  
    6485 File "C:\Program Files\ChimeraX\bin\lib\site-
    6486 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6487 cget(self._c_pointers, n, pointer(values)) 
    6488  
    6489 See log for complete Python traceback. 
    6490  
    6491 Traceback (most recent call last): 
    6492 File "C:\Program Files\ChimeraX\bin\lib\site-
    6493 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6494 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6495 File "C:\Program Files\ChimeraX\bin\lib\site-
    6496 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6497 mouse_pause_tracking 
    6498 self._mouse_pause() 
    6499 File "C:\Program Files\ChimeraX\bin\lib\site-
    6500 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6501 m.pause(self._mouse_pause_position) 
    6502 File "C:\Program Files\ChimeraX\bin\lib\site-
    6503 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6504 p = self.view.picked_object(x, y) 
    6505 File "C:\Program Files\ChimeraX\bin\lib\site-
    6506 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6507 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6508 beyond, 
    6509 File "C:\Program Files\ChimeraX\bin\lib\site-
    6510 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6511 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6512 File "C:\Program Files\ChimeraX\bin\lib\site-
    6513 packages\chimerax\core\models.py", line 126, in first_intercept 
    6514 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6515 File "C:\Program Files\ChimeraX\bin\lib\site-
    6516 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6517 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6518 exclude=exclude) 
    6519 File "C:\Program Files\ChimeraX\bin\lib\site-
    6520 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6521 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6522 File "C:\Program Files\ChimeraX\bin\lib\site-
    6523 packages\chimerax\core\models.py", line 126, in first_intercept 
    6524 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6525 File "C:\Program Files\ChimeraX\bin\lib\site-
    6526 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6527 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6528 exclude=exclude) 
    6529 File "C:\Program Files\ChimeraX\bin\lib\site-
    6530 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6531 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6532 File "C:\Program Files\ChimeraX\bin\lib\site-
    6533 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6534 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6535 File "C:\Program Files\ChimeraX\bin\lib\site-
    6536 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6537 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6538 File "C:\Program Files\ChimeraX\bin\lib\site-
    6539 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6540 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6541 File "C:\Program Files\ChimeraX\bin\lib\site-
    6542 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6543 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6544 File "C:\Program Files\ChimeraX\bin\lib\site-
    6545 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6546 cget(self._c_pointers, n, pointer(values)) 
    6547 OSError: exception: access violation reading 0x0000000000041468 
    6548  
    6549 OSError: exception: access violation reading 0x0000000000041468 
    6550  
    6551 File "C:\Program Files\ChimeraX\bin\lib\site-
    6552 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6553 cget(self._c_pointers, n, pointer(values)) 
    6554  
    6555 See log for complete Python traceback. 
    6556  
    6557 Traceback (most recent call last): 
    6558 File "C:\Program Files\ChimeraX\bin\lib\site-
    6559 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6560 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6561 File "C:\Program Files\ChimeraX\bin\lib\site-
    6562 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6563 mouse_pause_tracking 
    6564 self._mouse_pause() 
    6565 File "C:\Program Files\ChimeraX\bin\lib\site-
    6566 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6567 m.pause(self._mouse_pause_position) 
    6568 File "C:\Program Files\ChimeraX\bin\lib\site-
    6569 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6570 p = self.view.picked_object(x, y) 
    6571 File "C:\Program Files\ChimeraX\bin\lib\site-
    6572 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6573 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6574 beyond, 
    6575 File "C:\Program Files\ChimeraX\bin\lib\site-
    6576 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6577 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6578 File "C:\Program Files\ChimeraX\bin\lib\site-
    6579 packages\chimerax\core\models.py", line 126, in first_intercept 
    6580 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6581 File "C:\Program Files\ChimeraX\bin\lib\site-
    6582 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6583 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6584 exclude=exclude) 
    6585 File "C:\Program Files\ChimeraX\bin\lib\site-
    6586 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6587 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6588 File "C:\Program Files\ChimeraX\bin\lib\site-
    6589 packages\chimerax\core\models.py", line 126, in first_intercept 
    6590 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6591 File "C:\Program Files\ChimeraX\bin\lib\site-
    6592 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6593 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6594 exclude=exclude) 
    6595 File "C:\Program Files\ChimeraX\bin\lib\site-
    6596 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6597 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6598 File "C:\Program Files\ChimeraX\bin\lib\site-
    6599 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6600 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6601 File "C:\Program Files\ChimeraX\bin\lib\site-
    6602 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6603 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6604 File "C:\Program Files\ChimeraX\bin\lib\site-
    6605 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6606 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6607 File "C:\Program Files\ChimeraX\bin\lib\site-
    6608 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6609 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6610 File "C:\Program Files\ChimeraX\bin\lib\site-
    6611 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6612 cget(self._c_pointers, n, pointer(values)) 
    6613 OSError: exception: access violation reading 0x0000000000041468 
    6614  
    6615 OSError: exception: access violation reading 0x0000000000041468 
    6616  
    6617 File "C:\Program Files\ChimeraX\bin\lib\site-
    6618 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6619 cget(self._c_pointers, n, pointer(values)) 
    6620  
    6621 See log for complete Python traceback. 
    6622  
    6623 Traceback (most recent call last): 
    6624 File "C:\Program Files\ChimeraX\bin\lib\site-
    6625 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6626 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6627 File "C:\Program Files\ChimeraX\bin\lib\site-
    6628 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6629 mouse_pause_tracking 
    6630 self._mouse_pause() 
    6631 File "C:\Program Files\ChimeraX\bin\lib\site-
    6632 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6633 m.pause(self._mouse_pause_position) 
    6634 File "C:\Program Files\ChimeraX\bin\lib\site-
    6635 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6636 p = self.view.picked_object(x, y) 
    6637 File "C:\Program Files\ChimeraX\bin\lib\site-
    6638 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6639 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6640 beyond, 
    6641 File "C:\Program Files\ChimeraX\bin\lib\site-
    6642 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6643 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6644 File "C:\Program Files\ChimeraX\bin\lib\site-
    6645 packages\chimerax\core\models.py", line 126, in first_intercept 
    6646 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6647 File "C:\Program Files\ChimeraX\bin\lib\site-
    6648 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6649 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6650 exclude=exclude) 
    6651 File "C:\Program Files\ChimeraX\bin\lib\site-
    6652 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6653 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6654 File "C:\Program Files\ChimeraX\bin\lib\site-
    6655 packages\chimerax\core\models.py", line 126, in first_intercept 
    6656 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6657 File "C:\Program Files\ChimeraX\bin\lib\site-
    6658 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6659 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6660 exclude=exclude) 
    6661 File "C:\Program Files\ChimeraX\bin\lib\site-
    6662 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6663 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6664 File "C:\Program Files\ChimeraX\bin\lib\site-
    6665 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6666 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6667 File "C:\Program Files\ChimeraX\bin\lib\site-
    6668 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6669 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6670 File "C:\Program Files\ChimeraX\bin\lib\site-
    6671 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6672 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6673 File "C:\Program Files\ChimeraX\bin\lib\site-
    6674 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6675 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6676 File "C:\Program Files\ChimeraX\bin\lib\site-
    6677 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6678 cget(self._c_pointers, n, pointer(values)) 
    6679 OSError: exception: access violation reading 0x0000000000041468 
    6680  
    6681 OSError: exception: access violation reading 0x0000000000041468 
    6682  
    6683 File "C:\Program Files\ChimeraX\bin\lib\site-
    6684 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6685 cget(self._c_pointers, n, pointer(values)) 
    6686  
    6687 See log for complete Python traceback. 
    6688  
    6689 Traceback (most recent call last): 
    6690 File "C:\Program Files\ChimeraX\bin\lib\site-
    6691 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6692 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6693 File "C:\Program Files\ChimeraX\bin\lib\site-
    6694 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6695 mouse_pause_tracking 
    6696 self._mouse_pause() 
    6697 File "C:\Program Files\ChimeraX\bin\lib\site-
    6698 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6699 m.pause(self._mouse_pause_position) 
    6700 File "C:\Program Files\ChimeraX\bin\lib\site-
    6701 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6702 p = self.view.picked_object(x, y) 
    6703 File "C:\Program Files\ChimeraX\bin\lib\site-
    6704 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6705 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6706 beyond, 
    6707 File "C:\Program Files\ChimeraX\bin\lib\site-
    6708 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6709 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6710 File "C:\Program Files\ChimeraX\bin\lib\site-
    6711 packages\chimerax\core\models.py", line 126, in first_intercept 
    6712 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6713 File "C:\Program Files\ChimeraX\bin\lib\site-
    6714 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6715 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6716 exclude=exclude) 
    6717 File "C:\Program Files\ChimeraX\bin\lib\site-
    6718 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6719 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6720 File "C:\Program Files\ChimeraX\bin\lib\site-
    6721 packages\chimerax\core\models.py", line 126, in first_intercept 
    6722 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6723 File "C:\Program Files\ChimeraX\bin\lib\site-
    6724 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6725 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6726 exclude=exclude) 
    6727 File "C:\Program Files\ChimeraX\bin\lib\site-
    6728 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6729 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6730 File "C:\Program Files\ChimeraX\bin\lib\site-
    6731 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6732 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6733 File "C:\Program Files\ChimeraX\bin\lib\site-
    6734 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6735 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6736 File "C:\Program Files\ChimeraX\bin\lib\site-
    6737 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6738 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6739 File "C:\Program Files\ChimeraX\bin\lib\site-
    6740 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6741 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6742 File "C:\Program Files\ChimeraX\bin\lib\site-
    6743 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6744 cget(self._c_pointers, n, pointer(values)) 
    6745 OSError: exception: access violation reading 0x0000000000041468 
    6746  
    6747 OSError: exception: access violation reading 0x0000000000041468 
    6748  
    6749 File "C:\Program Files\ChimeraX\bin\lib\site-
    6750 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6751 cget(self._c_pointers, n, pointer(values)) 
    6752  
    6753 See log for complete Python traceback. 
    6754  
    6755 Traceback (most recent call last): 
    6756 File "C:\Program Files\ChimeraX\bin\lib\site-
    6757 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6758 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6759 File "C:\Program Files\ChimeraX\bin\lib\site-
    6760 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6761 mouse_pause_tracking 
    6762 self._mouse_pause() 
    6763 File "C:\Program Files\ChimeraX\bin\lib\site-
    6764 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6765 m.pause(self._mouse_pause_position) 
    6766 File "C:\Program Files\ChimeraX\bin\lib\site-
    6767 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6768 p = self.view.picked_object(x, y) 
    6769 File "C:\Program Files\ChimeraX\bin\lib\site-
    6770 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6771 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6772 beyond, 
    6773 File "C:\Program Files\ChimeraX\bin\lib\site-
    6774 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6775 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6776 File "C:\Program Files\ChimeraX\bin\lib\site-
    6777 packages\chimerax\core\models.py", line 126, in first_intercept 
    6778 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6779 File "C:\Program Files\ChimeraX\bin\lib\site-
    6780 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6781 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6782 exclude=exclude) 
    6783 File "C:\Program Files\ChimeraX\bin\lib\site-
    6784 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6785 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6786 File "C:\Program Files\ChimeraX\bin\lib\site-
    6787 packages\chimerax\core\models.py", line 126, in first_intercept 
    6788 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6789 File "C:\Program Files\ChimeraX\bin\lib\site-
    6790 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6791 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6792 exclude=exclude) 
    6793 File "C:\Program Files\ChimeraX\bin\lib\site-
    6794 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6795 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6796 File "C:\Program Files\ChimeraX\bin\lib\site-
    6797 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6798 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6799 File "C:\Program Files\ChimeraX\bin\lib\site-
    6800 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6801 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6802 File "C:\Program Files\ChimeraX\bin\lib\site-
    6803 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6804 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6805 File "C:\Program Files\ChimeraX\bin\lib\site-
    6806 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6807 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6808 File "C:\Program Files\ChimeraX\bin\lib\site-
    6809 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6810 cget(self._c_pointers, n, pointer(values)) 
    6811 OSError: exception: access violation reading 0x0000000000041468 
    6812  
    6813 OSError: exception: access violation reading 0x0000000000041468 
    6814  
    6815 File "C:\Program Files\ChimeraX\bin\lib\site-
    6816 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6817 cget(self._c_pointers, n, pointer(values)) 
    6818  
    6819 See log for complete Python traceback. 
    6820  
    6821 Traceback (most recent call last): 
    6822 File "C:\Program Files\ChimeraX\bin\lib\site-
    6823 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6824 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6825 File "C:\Program Files\ChimeraX\bin\lib\site-
    6826 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6827 mouse_pause_tracking 
    6828 self._mouse_pause() 
    6829 File "C:\Program Files\ChimeraX\bin\lib\site-
    6830 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6831 m.pause(self._mouse_pause_position) 
    6832 File "C:\Program Files\ChimeraX\bin\lib\site-
    6833 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6834 p = self.view.picked_object(x, y) 
    6835 File "C:\Program Files\ChimeraX\bin\lib\site-
    6836 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6837 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6838 beyond, 
    6839 File "C:\Program Files\ChimeraX\bin\lib\site-
    6840 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6841 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6842 File "C:\Program Files\ChimeraX\bin\lib\site-
    6843 packages\chimerax\core\models.py", line 126, in first_intercept 
    6844 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6845 File "C:\Program Files\ChimeraX\bin\lib\site-
    6846 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6847 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6848 exclude=exclude) 
    6849 File "C:\Program Files\ChimeraX\bin\lib\site-
    6850 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6851 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6852 File "C:\Program Files\ChimeraX\bin\lib\site-
    6853 packages\chimerax\core\models.py", line 126, in first_intercept 
    6854 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6855 File "C:\Program Files\ChimeraX\bin\lib\site-
    6856 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6857 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6858 exclude=exclude) 
    6859 File "C:\Program Files\ChimeraX\bin\lib\site-
    6860 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6861 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6862 File "C:\Program Files\ChimeraX\bin\lib\site-
    6863 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6864 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6865 File "C:\Program Files\ChimeraX\bin\lib\site-
    6866 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6867 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6868 File "C:\Program Files\ChimeraX\bin\lib\site-
    6869 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6870 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6871 File "C:\Program Files\ChimeraX\bin\lib\site-
    6872 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6873 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6874 File "C:\Program Files\ChimeraX\bin\lib\site-
    6875 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6876 cget(self._c_pointers, n, pointer(values)) 
    6877 OSError: exception: access violation reading 0x0000000000041468 
    6878  
    6879 OSError: exception: access violation reading 0x0000000000041468 
    6880  
    6881 File "C:\Program Files\ChimeraX\bin\lib\site-
    6882 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6883 cget(self._c_pointers, n, pointer(values)) 
    6884  
    6885 See log for complete Python traceback. 
    6886  
    6887 Traceback (most recent call last): 
    6888 File "C:\Program Files\ChimeraX\bin\lib\site-
    6889 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6890 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6891 File "C:\Program Files\ChimeraX\bin\lib\site-
    6892 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6893 mouse_pause_tracking 
    6894 self._mouse_pause() 
    6895 File "C:\Program Files\ChimeraX\bin\lib\site-
    6896 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6897 m.pause(self._mouse_pause_position) 
    6898 File "C:\Program Files\ChimeraX\bin\lib\site-
    6899 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6900 p = self.view.picked_object(x, y) 
    6901 File "C:\Program Files\ChimeraX\bin\lib\site-
    6902 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6903 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6904 beyond, 
    6905 File "C:\Program Files\ChimeraX\bin\lib\site-
    6906 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6907 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6908 File "C:\Program Files\ChimeraX\bin\lib\site-
    6909 packages\chimerax\core\models.py", line 126, in first_intercept 
    6910 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6911 File "C:\Program Files\ChimeraX\bin\lib\site-
    6912 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6913 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6914 exclude=exclude) 
    6915 File "C:\Program Files\ChimeraX\bin\lib\site-
    6916 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6917 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6918 File "C:\Program Files\ChimeraX\bin\lib\site-
    6919 packages\chimerax\core\models.py", line 126, in first_intercept 
    6920 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6921 File "C:\Program Files\ChimeraX\bin\lib\site-
    6922 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6923 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6924 exclude=exclude) 
    6925 File "C:\Program Files\ChimeraX\bin\lib\site-
    6926 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6927 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6928 File "C:\Program Files\ChimeraX\bin\lib\site-
    6929 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6930 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6931 File "C:\Program Files\ChimeraX\bin\lib\site-
    6932 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6933 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    6934 File "C:\Program Files\ChimeraX\bin\lib\site-
    6935 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    6936 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    6937 File "C:\Program Files\ChimeraX\bin\lib\site-
    6938 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    6939 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    6940 File "C:\Program Files\ChimeraX\bin\lib\site-
    6941 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6942 cget(self._c_pointers, n, pointer(values)) 
    6943 OSError: exception: access violation reading 0x0000000000041468 
    6944  
    6945 OSError: exception: access violation reading 0x0000000000041468 
    6946  
    6947 File "C:\Program Files\ChimeraX\bin\lib\site-
    6948 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    6949 cget(self._c_pointers, n, pointer(values)) 
    6950  
    6951 See log for complete Python traceback. 
    6952  
    6953 Traceback (most recent call last): 
    6954 File "C:\Program Files\ChimeraX\bin\lib\site-
    6955 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    6956 self.session.ui.mouse_modes.mouse_pause_tracking() 
    6957 File "C:\Program Files\ChimeraX\bin\lib\site-
    6958 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    6959 mouse_pause_tracking 
    6960 self._mouse_pause() 
    6961 File "C:\Program Files\ChimeraX\bin\lib\site-
    6962 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    6963 m.pause(self._mouse_pause_position) 
    6964 File "C:\Program Files\ChimeraX\bin\lib\site-
    6965 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    6966 p = self.view.picked_object(x, y) 
    6967 File "C:\Program Files\ChimeraX\bin\lib\site-
    6968 packages\chimerax\graphics\view.py", line 817, in picked_object 
    6969 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    6970 beyond, 
    6971 File "C:\Program Files\ChimeraX\bin\lib\site-
    6972 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    6973 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    6974 File "C:\Program Files\ChimeraX\bin\lib\site-
    6975 packages\chimerax\core\models.py", line 126, in first_intercept 
    6976 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6977 File "C:\Program Files\ChimeraX\bin\lib\site-
    6978 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6979 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6980 exclude=exclude) 
    6981 File "C:\Program Files\ChimeraX\bin\lib\site-
    6982 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6983 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6984 File "C:\Program Files\ChimeraX\bin\lib\site-
    6985 packages\chimerax\core\models.py", line 126, in first_intercept 
    6986 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    6987 File "C:\Program Files\ChimeraX\bin\lib\site-
    6988 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    6989 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    6990 exclude=exclude) 
    6991 File "C:\Program Files\ChimeraX\bin\lib\site-
    6992 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    6993 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    6994 File "C:\Program Files\ChimeraX\bin\lib\site-
    6995 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    6996 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    6997 File "C:\Program Files\ChimeraX\bin\lib\site-
    6998 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    6999 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7000 File "C:\Program Files\ChimeraX\bin\lib\site-
    7001 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7002 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7003 File "C:\Program Files\ChimeraX\bin\lib\site-
    7004 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7005 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7006 File "C:\Program Files\ChimeraX\bin\lib\site-
    7007 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7008 cget(self._c_pointers, n, pointer(values)) 
    7009 OSError: exception: access violation reading 0x0000000000041468 
    7010  
    7011 OSError: exception: access violation reading 0x0000000000041468 
    7012  
    7013 File "C:\Program Files\ChimeraX\bin\lib\site-
    7014 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7015 cget(self._c_pointers, n, pointer(values)) 
    7016  
    7017 See log for complete Python traceback. 
    7018  
    7019 Traceback (most recent call last): 
    7020 File "C:\Program Files\ChimeraX\bin\lib\site-
    7021 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7022 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7023 File "C:\Program Files\ChimeraX\bin\lib\site-
    7024 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7025 mouse_pause_tracking 
    7026 self._mouse_pause() 
    7027 File "C:\Program Files\ChimeraX\bin\lib\site-
    7028 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7029 m.pause(self._mouse_pause_position) 
    7030 File "C:\Program Files\ChimeraX\bin\lib\site-
    7031 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7032 p = self.view.picked_object(x, y) 
    7033 File "C:\Program Files\ChimeraX\bin\lib\site-
    7034 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7035 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7036 beyond, 
    7037 File "C:\Program Files\ChimeraX\bin\lib\site-
    7038 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7039 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7040 File "C:\Program Files\ChimeraX\bin\lib\site-
    7041 packages\chimerax\core\models.py", line 126, in first_intercept 
    7042 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7043 File "C:\Program Files\ChimeraX\bin\lib\site-
    7044 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7045 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7046 exclude=exclude) 
    7047 File "C:\Program Files\ChimeraX\bin\lib\site-
    7048 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7049 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7050 File "C:\Program Files\ChimeraX\bin\lib\site-
    7051 packages\chimerax\core\models.py", line 126, in first_intercept 
    7052 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7053 File "C:\Program Files\ChimeraX\bin\lib\site-
    7054 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7055 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7056 exclude=exclude) 
    7057 File "C:\Program Files\ChimeraX\bin\lib\site-
    7058 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7059 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7060 File "C:\Program Files\ChimeraX\bin\lib\site-
    7061 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7062 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7063 File "C:\Program Files\ChimeraX\bin\lib\site-
    7064 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7065 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7066 File "C:\Program Files\ChimeraX\bin\lib\site-
    7067 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7068 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7069 File "C:\Program Files\ChimeraX\bin\lib\site-
    7070 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7071 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7072 File "C:\Program Files\ChimeraX\bin\lib\site-
    7073 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7074 cget(self._c_pointers, n, pointer(values)) 
    7075 OSError: exception: access violation reading 0x0000000000041468 
    7076  
    7077 OSError: exception: access violation reading 0x0000000000041468 
    7078  
    7079 File "C:\Program Files\ChimeraX\bin\lib\site-
    7080 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7081 cget(self._c_pointers, n, pointer(values)) 
    7082  
    7083 See log for complete Python traceback. 
    7084  
    7085 Traceback (most recent call last): 
    7086 File "C:\Program Files\ChimeraX\bin\lib\site-
    7087 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7088 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7089 File "C:\Program Files\ChimeraX\bin\lib\site-
    7090 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7091 mouse_pause_tracking 
    7092 self._mouse_pause() 
    7093 File "C:\Program Files\ChimeraX\bin\lib\site-
    7094 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7095 m.pause(self._mouse_pause_position) 
    7096 File "C:\Program Files\ChimeraX\bin\lib\site-
    7097 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7098 p = self.view.picked_object(x, y) 
    7099 File "C:\Program Files\ChimeraX\bin\lib\site-
    7100 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7101 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7102 beyond, 
    7103 File "C:\Program Files\ChimeraX\bin\lib\site-
    7104 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7105 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7106 File "C:\Program Files\ChimeraX\bin\lib\site-
    7107 packages\chimerax\core\models.py", line 126, in first_intercept 
    7108 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7109 File "C:\Program Files\ChimeraX\bin\lib\site-
    7110 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7111 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7112 exclude=exclude) 
    7113 File "C:\Program Files\ChimeraX\bin\lib\site-
    7114 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7115 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7116 File "C:\Program Files\ChimeraX\bin\lib\site-
    7117 packages\chimerax\core\models.py", line 126, in first_intercept 
    7118 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7119 File "C:\Program Files\ChimeraX\bin\lib\site-
    7120 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7121 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7122 exclude=exclude) 
    7123 File "C:\Program Files\ChimeraX\bin\lib\site-
    7124 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7125 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7126 File "C:\Program Files\ChimeraX\bin\lib\site-
    7127 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7128 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7129 File "C:\Program Files\ChimeraX\bin\lib\site-
    7130 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7131 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7132 File "C:\Program Files\ChimeraX\bin\lib\site-
    7133 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7134 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7135 File "C:\Program Files\ChimeraX\bin\lib\site-
    7136 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7137 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7138 File "C:\Program Files\ChimeraX\bin\lib\site-
    7139 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7140 cget(self._c_pointers, n, pointer(values)) 
    7141 OSError: exception: access violation reading 0x0000000000041468 
    7142  
    7143 OSError: exception: access violation reading 0x0000000000041468 
    7144  
    7145 File "C:\Program Files\ChimeraX\bin\lib\site-
    7146 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7147 cget(self._c_pointers, n, pointer(values)) 
    7148  
    7149 See log for complete Python traceback. 
    7150  
    7151 Traceback (most recent call last): 
    7152 File "C:\Program Files\ChimeraX\bin\lib\site-
    7153 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7154 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7155 File "C:\Program Files\ChimeraX\bin\lib\site-
    7156 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7157 mouse_pause_tracking 
    7158 self._mouse_pause() 
    7159 File "C:\Program Files\ChimeraX\bin\lib\site-
    7160 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7161 m.pause(self._mouse_pause_position) 
    7162 File "C:\Program Files\ChimeraX\bin\lib\site-
    7163 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7164 p = self.view.picked_object(x, y) 
    7165 File "C:\Program Files\ChimeraX\bin\lib\site-
    7166 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7167 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7168 beyond, 
    7169 File "C:\Program Files\ChimeraX\bin\lib\site-
    7170 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7171 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7172 File "C:\Program Files\ChimeraX\bin\lib\site-
    7173 packages\chimerax\core\models.py", line 126, in first_intercept 
    7174 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7175 File "C:\Program Files\ChimeraX\bin\lib\site-
    7176 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7177 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7178 exclude=exclude) 
    7179 File "C:\Program Files\ChimeraX\bin\lib\site-
    7180 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7181 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7182 File "C:\Program Files\ChimeraX\bin\lib\site-
    7183 packages\chimerax\core\models.py", line 126, in first_intercept 
    7184 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7185 File "C:\Program Files\ChimeraX\bin\lib\site-
    7186 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7187 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7188 exclude=exclude) 
    7189 File "C:\Program Files\ChimeraX\bin\lib\site-
    7190 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7191 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7192 File "C:\Program Files\ChimeraX\bin\lib\site-
    7193 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7194 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7195 File "C:\Program Files\ChimeraX\bin\lib\site-
    7196 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7197 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7198 File "C:\Program Files\ChimeraX\bin\lib\site-
    7199 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7200 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7201 File "C:\Program Files\ChimeraX\bin\lib\site-
    7202 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7203 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7204 File "C:\Program Files\ChimeraX\bin\lib\site-
    7205 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7206 cget(self._c_pointers, n, pointer(values)) 
    7207 OSError: exception: access violation reading 0x0000000000041468 
    7208  
    7209 OSError: exception: access violation reading 0x0000000000041468 
    7210  
    7211 File "C:\Program Files\ChimeraX\bin\lib\site-
    7212 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7213 cget(self._c_pointers, n, pointer(values)) 
    7214  
    7215 See log for complete Python traceback. 
    7216  
    7217 Traceback (most recent call last): 
    7218 File "C:\Program Files\ChimeraX\bin\lib\site-
    7219 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7220 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7221 File "C:\Program Files\ChimeraX\bin\lib\site-
    7222 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7223 mouse_pause_tracking 
    7224 self._mouse_pause() 
    7225 File "C:\Program Files\ChimeraX\bin\lib\site-
    7226 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7227 m.pause(self._mouse_pause_position) 
    7228 File "C:\Program Files\ChimeraX\bin\lib\site-
    7229 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7230 p = self.view.picked_object(x, y) 
    7231 File "C:\Program Files\ChimeraX\bin\lib\site-
    7232 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7233 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7234 beyond, 
    7235 File "C:\Program Files\ChimeraX\bin\lib\site-
    7236 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7237 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7238 File "C:\Program Files\ChimeraX\bin\lib\site-
    7239 packages\chimerax\core\models.py", line 126, in first_intercept 
    7240 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7241 File "C:\Program Files\ChimeraX\bin\lib\site-
    7242 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7243 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7244 exclude=exclude) 
    7245 File "C:\Program Files\ChimeraX\bin\lib\site-
    7246 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7247 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7248 File "C:\Program Files\ChimeraX\bin\lib\site-
    7249 packages\chimerax\core\models.py", line 126, in first_intercept 
    7250 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7251 File "C:\Program Files\ChimeraX\bin\lib\site-
    7252 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7253 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7254 exclude=exclude) 
    7255 File "C:\Program Files\ChimeraX\bin\lib\site-
    7256 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7257 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7258 File "C:\Program Files\ChimeraX\bin\lib\site-
    7259 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7260 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7261 File "C:\Program Files\ChimeraX\bin\lib\site-
    7262 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7263 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7264 File "C:\Program Files\ChimeraX\bin\lib\site-
    7265 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7266 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7267 File "C:\Program Files\ChimeraX\bin\lib\site-
    7268 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7269 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7270 File "C:\Program Files\ChimeraX\bin\lib\site-
    7271 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7272 cget(self._c_pointers, n, pointer(values)) 
    7273 OSError: exception: access violation reading 0x0000000000041468 
    7274  
    7275 OSError: exception: access violation reading 0x0000000000041468 
    7276  
    7277 File "C:\Program Files\ChimeraX\bin\lib\site-
    7278 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7279 cget(self._c_pointers, n, pointer(values)) 
    7280  
    7281 See log for complete Python traceback. 
    7282  
    7283 Traceback (most recent call last): 
    7284 File "C:\Program Files\ChimeraX\bin\lib\site-
    7285 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7286 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7287 File "C:\Program Files\ChimeraX\bin\lib\site-
    7288 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7289 mouse_pause_tracking 
    7290 self._mouse_pause() 
    7291 File "C:\Program Files\ChimeraX\bin\lib\site-
    7292 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7293 m.pause(self._mouse_pause_position) 
    7294 File "C:\Program Files\ChimeraX\bin\lib\site-
    7295 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7296 p = self.view.picked_object(x, y) 
    7297 File "C:\Program Files\ChimeraX\bin\lib\site-
    7298 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7299 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7300 beyond, 
    7301 File "C:\Program Files\ChimeraX\bin\lib\site-
    7302 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7303 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7304 File "C:\Program Files\ChimeraX\bin\lib\site-
    7305 packages\chimerax\core\models.py", line 126, in first_intercept 
    7306 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7307 File "C:\Program Files\ChimeraX\bin\lib\site-
    7308 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7309 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7310 exclude=exclude) 
    7311 File "C:\Program Files\ChimeraX\bin\lib\site-
    7312 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7313 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7314 File "C:\Program Files\ChimeraX\bin\lib\site-
    7315 packages\chimerax\core\models.py", line 126, in first_intercept 
    7316 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7317 File "C:\Program Files\ChimeraX\bin\lib\site-
    7318 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7319 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7320 exclude=exclude) 
    7321 File "C:\Program Files\ChimeraX\bin\lib\site-
    7322 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7323 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7324 File "C:\Program Files\ChimeraX\bin\lib\site-
    7325 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7326 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7327 File "C:\Program Files\ChimeraX\bin\lib\site-
    7328 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7329 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7330 File "C:\Program Files\ChimeraX\bin\lib\site-
    7331 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7332 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7333 File "C:\Program Files\ChimeraX\bin\lib\site-
    7334 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7335 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7336 File "C:\Program Files\ChimeraX\bin\lib\site-
    7337 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7338 cget(self._c_pointers, n, pointer(values)) 
    7339 OSError: exception: access violation reading 0x0000000000041468 
    7340  
    7341 OSError: exception: access violation reading 0x0000000000041468 
    7342  
    7343 File "C:\Program Files\ChimeraX\bin\lib\site-
    7344 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7345 cget(self._c_pointers, n, pointer(values)) 
    7346  
    7347 See log for complete Python traceback. 
    7348  
    7349 Traceback (most recent call last): 
    7350 File "C:\Program Files\ChimeraX\bin\lib\site-
    7351 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7352 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7353 File "C:\Program Files\ChimeraX\bin\lib\site-
    7354 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7355 mouse_pause_tracking 
    7356 self._mouse_pause() 
    7357 File "C:\Program Files\ChimeraX\bin\lib\site-
    7358 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7359 m.pause(self._mouse_pause_position) 
    7360 File "C:\Program Files\ChimeraX\bin\lib\site-
    7361 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7362 p = self.view.picked_object(x, y) 
    7363 File "C:\Program Files\ChimeraX\bin\lib\site-
    7364 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7365 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7366 beyond, 
    7367 File "C:\Program Files\ChimeraX\bin\lib\site-
    7368 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7369 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7370 File "C:\Program Files\ChimeraX\bin\lib\site-
    7371 packages\chimerax\core\models.py", line 126, in first_intercept 
    7372 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7373 File "C:\Program Files\ChimeraX\bin\lib\site-
    7374 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7375 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7376 exclude=exclude) 
    7377 File "C:\Program Files\ChimeraX\bin\lib\site-
    7378 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7379 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7380 File "C:\Program Files\ChimeraX\bin\lib\site-
    7381 packages\chimerax\core\models.py", line 126, in first_intercept 
    7382 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7383 File "C:\Program Files\ChimeraX\bin\lib\site-
    7384 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7385 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7386 exclude=exclude) 
    7387 File "C:\Program Files\ChimeraX\bin\lib\site-
    7388 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7389 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7390 File "C:\Program Files\ChimeraX\bin\lib\site-
    7391 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7392 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7393 File "C:\Program Files\ChimeraX\bin\lib\site-
    7394 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7395 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7396 File "C:\Program Files\ChimeraX\bin\lib\site-
    7397 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7398 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7399 File "C:\Program Files\ChimeraX\bin\lib\site-
    7400 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7401 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7402 File "C:\Program Files\ChimeraX\bin\lib\site-
    7403 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7404 cget(self._c_pointers, n, pointer(values)) 
    7405 OSError: exception: access violation reading 0x0000000000041468 
    7406  
    7407 OSError: exception: access violation reading 0x0000000000041468 
    7408  
    7409 File "C:\Program Files\ChimeraX\bin\lib\site-
    7410 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7411 cget(self._c_pointers, n, pointer(values)) 
    7412  
    7413 See log for complete Python traceback. 
    7414  
    7415 Traceback (most recent call last): 
    7416 File "C:\Program Files\ChimeraX\bin\lib\site-
    7417 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7418 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7419 File "C:\Program Files\ChimeraX\bin\lib\site-
    7420 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7421 mouse_pause_tracking 
    7422 self._mouse_pause() 
    7423 File "C:\Program Files\ChimeraX\bin\lib\site-
    7424 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7425 m.pause(self._mouse_pause_position) 
    7426 File "C:\Program Files\ChimeraX\bin\lib\site-
    7427 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7428 p = self.view.picked_object(x, y) 
    7429 File "C:\Program Files\ChimeraX\bin\lib\site-
    7430 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7431 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7432 beyond, 
    7433 File "C:\Program Files\ChimeraX\bin\lib\site-
    7434 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7435 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7436 File "C:\Program Files\ChimeraX\bin\lib\site-
    7437 packages\chimerax\core\models.py", line 126, in first_intercept 
    7438 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7439 File "C:\Program Files\ChimeraX\bin\lib\site-
    7440 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7441 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7442 exclude=exclude) 
    7443 File "C:\Program Files\ChimeraX\bin\lib\site-
    7444 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7445 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7446 File "C:\Program Files\ChimeraX\bin\lib\site-
    7447 packages\chimerax\core\models.py", line 126, in first_intercept 
    7448 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7449 File "C:\Program Files\ChimeraX\bin\lib\site-
    7450 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7451 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7452 exclude=exclude) 
    7453 File "C:\Program Files\ChimeraX\bin\lib\site-
    7454 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7455 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7456 File "C:\Program Files\ChimeraX\bin\lib\site-
    7457 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7458 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7459 File "C:\Program Files\ChimeraX\bin\lib\site-
    7460 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7461 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7462 File "C:\Program Files\ChimeraX\bin\lib\site-
    7463 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7464 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7465 File "C:\Program Files\ChimeraX\bin\lib\site-
    7466 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7467 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7468 File "C:\Program Files\ChimeraX\bin\lib\site-
    7469 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7470 cget(self._c_pointers, n, pointer(values)) 
    7471 OSError: exception: access violation reading 0x0000000000041468 
    7472  
    7473 OSError: exception: access violation reading 0x0000000000041468 
    7474  
    7475 File "C:\Program Files\ChimeraX\bin\lib\site-
    7476 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7477 cget(self._c_pointers, n, pointer(values)) 
    7478  
    7479 See log for complete Python traceback. 
    7480  
    7481 Traceback (most recent call last): 
    7482 File "C:\Program Files\ChimeraX\bin\lib\site-
    7483 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7484 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7485 File "C:\Program Files\ChimeraX\bin\lib\site-
    7486 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7487 mouse_pause_tracking 
    7488 self._mouse_pause() 
    7489 File "C:\Program Files\ChimeraX\bin\lib\site-
    7490 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7491 m.pause(self._mouse_pause_position) 
    7492 File "C:\Program Files\ChimeraX\bin\lib\site-
    7493 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7494 p = self.view.picked_object(x, y) 
    7495 File "C:\Program Files\ChimeraX\bin\lib\site-
    7496 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7497 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7498 beyond, 
    7499 File "C:\Program Files\ChimeraX\bin\lib\site-
    7500 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7501 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7502 File "C:\Program Files\ChimeraX\bin\lib\site-
    7503 packages\chimerax\core\models.py", line 126, in first_intercept 
    7504 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7505 File "C:\Program Files\ChimeraX\bin\lib\site-
    7506 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7507 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7508 exclude=exclude) 
    7509 File "C:\Program Files\ChimeraX\bin\lib\site-
    7510 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7511 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7512 File "C:\Program Files\ChimeraX\bin\lib\site-
    7513 packages\chimerax\core\models.py", line 126, in first_intercept 
    7514 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7515 File "C:\Program Files\ChimeraX\bin\lib\site-
    7516 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7517 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7518 exclude=exclude) 
    7519 File "C:\Program Files\ChimeraX\bin\lib\site-
    7520 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7521 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7522 File "C:\Program Files\ChimeraX\bin\lib\site-
    7523 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7524 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7525 File "C:\Program Files\ChimeraX\bin\lib\site-
    7526 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7527 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7528 File "C:\Program Files\ChimeraX\bin\lib\site-
    7529 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7530 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7531 File "C:\Program Files\ChimeraX\bin\lib\site-
    7532 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7533 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7534 File "C:\Program Files\ChimeraX\bin\lib\site-
    7535 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7536 cget(self._c_pointers, n, pointer(values)) 
    7537 OSError: exception: access violation reading 0x0000000000041468 
    7538  
    7539 OSError: exception: access violation reading 0x0000000000041468 
    7540  
    7541 File "C:\Program Files\ChimeraX\bin\lib\site-
    7542 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7543 cget(self._c_pointers, n, pointer(values)) 
    7544  
    7545 See log for complete Python traceback. 
    7546  
    7547 Traceback (most recent call last): 
    7548 File "C:\Program Files\ChimeraX\bin\lib\site-
    7549 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7550 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7551 File "C:\Program Files\ChimeraX\bin\lib\site-
    7552 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7553 mouse_pause_tracking 
    7554 self._mouse_pause() 
    7555 File "C:\Program Files\ChimeraX\bin\lib\site-
    7556 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7557 m.pause(self._mouse_pause_position) 
    7558 File "C:\Program Files\ChimeraX\bin\lib\site-
    7559 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7560 p = self.view.picked_object(x, y) 
    7561 File "C:\Program Files\ChimeraX\bin\lib\site-
    7562 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7563 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7564 beyond, 
    7565 File "C:\Program Files\ChimeraX\bin\lib\site-
    7566 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7567 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7568 File "C:\Program Files\ChimeraX\bin\lib\site-
    7569 packages\chimerax\core\models.py", line 126, in first_intercept 
    7570 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7571 File "C:\Program Files\ChimeraX\bin\lib\site-
    7572 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7573 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7574 exclude=exclude) 
    7575 File "C:\Program Files\ChimeraX\bin\lib\site-
    7576 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7577 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7578 File "C:\Program Files\ChimeraX\bin\lib\site-
    7579 packages\chimerax\core\models.py", line 126, in first_intercept 
    7580 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7581 File "C:\Program Files\ChimeraX\bin\lib\site-
    7582 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7583 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7584 exclude=exclude) 
    7585 File "C:\Program Files\ChimeraX\bin\lib\site-
    7586 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7587 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7588 File "C:\Program Files\ChimeraX\bin\lib\site-
    7589 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7590 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7591 File "C:\Program Files\ChimeraX\bin\lib\site-
    7592 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7593 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7594 File "C:\Program Files\ChimeraX\bin\lib\site-
    7595 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7596 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7597 File "C:\Program Files\ChimeraX\bin\lib\site-
    7598 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7599 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7600 File "C:\Program Files\ChimeraX\bin\lib\site-
    7601 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7602 cget(self._c_pointers, n, pointer(values)) 
    7603 OSError: exception: access violation reading 0x0000000000041468 
    7604  
    7605 OSError: exception: access violation reading 0x0000000000041468 
    7606  
    7607 File "C:\Program Files\ChimeraX\bin\lib\site-
    7608 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7609 cget(self._c_pointers, n, pointer(values)) 
    7610  
    7611 See log for complete Python traceback. 
    7612  
    7613 Traceback (most recent call last): 
    7614 File "C:\Program Files\ChimeraX\bin\lib\site-
    7615 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7616 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7617 File "C:\Program Files\ChimeraX\bin\lib\site-
    7618 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7619 mouse_pause_tracking 
    7620 self._mouse_pause() 
    7621 File "C:\Program Files\ChimeraX\bin\lib\site-
    7622 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7623 m.pause(self._mouse_pause_position) 
    7624 File "C:\Program Files\ChimeraX\bin\lib\site-
    7625 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7626 p = self.view.picked_object(x, y) 
    7627 File "C:\Program Files\ChimeraX\bin\lib\site-
    7628 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7629 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7630 beyond, 
    7631 File "C:\Program Files\ChimeraX\bin\lib\site-
    7632 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7633 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7634 File "C:\Program Files\ChimeraX\bin\lib\site-
    7635 packages\chimerax\core\models.py", line 126, in first_intercept 
    7636 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7637 File "C:\Program Files\ChimeraX\bin\lib\site-
    7638 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7639 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7640 exclude=exclude) 
    7641 File "C:\Program Files\ChimeraX\bin\lib\site-
    7642 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7643 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7644 File "C:\Program Files\ChimeraX\bin\lib\site-
    7645 packages\chimerax\core\models.py", line 126, in first_intercept 
    7646 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7647 File "C:\Program Files\ChimeraX\bin\lib\site-
    7648 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7649 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7650 exclude=exclude) 
    7651 File "C:\Program Files\ChimeraX\bin\lib\site-
    7652 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7653 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7654 File "C:\Program Files\ChimeraX\bin\lib\site-
    7655 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7656 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7657 File "C:\Program Files\ChimeraX\bin\lib\site-
    7658 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7659 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7660 File "C:\Program Files\ChimeraX\bin\lib\site-
    7661 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7662 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7663 File "C:\Program Files\ChimeraX\bin\lib\site-
    7664 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7665 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7666 File "C:\Program Files\ChimeraX\bin\lib\site-
    7667 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7668 cget(self._c_pointers, n, pointer(values)) 
    7669 OSError: exception: access violation reading 0x0000000000041468 
    7670  
    7671 OSError: exception: access violation reading 0x0000000000041468 
    7672  
    7673 File "C:\Program Files\ChimeraX\bin\lib\site-
    7674 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7675 cget(self._c_pointers, n, pointer(values)) 
    7676  
    7677 See log for complete Python traceback. 
    7678  
    7679 Traceback (most recent call last): 
    7680 File "C:\Program Files\ChimeraX\bin\lib\site-
    7681 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7682 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7683 File "C:\Program Files\ChimeraX\bin\lib\site-
    7684 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7685 mouse_pause_tracking 
    7686 self._mouse_pause() 
    7687 File "C:\Program Files\ChimeraX\bin\lib\site-
    7688 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7689 m.pause(self._mouse_pause_position) 
    7690 File "C:\Program Files\ChimeraX\bin\lib\site-
    7691 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7692 p = self.view.picked_object(x, y) 
    7693 File "C:\Program Files\ChimeraX\bin\lib\site-
    7694 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7695 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7696 beyond, 
    7697 File "C:\Program Files\ChimeraX\bin\lib\site-
    7698 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7699 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7700 File "C:\Program Files\ChimeraX\bin\lib\site-
    7701 packages\chimerax\core\models.py", line 126, in first_intercept 
    7702 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7703 File "C:\Program Files\ChimeraX\bin\lib\site-
    7704 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7705 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7706 exclude=exclude) 
    7707 File "C:\Program Files\ChimeraX\bin\lib\site-
    7708 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7709 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7710 File "C:\Program Files\ChimeraX\bin\lib\site-
    7711 packages\chimerax\core\models.py", line 126, in first_intercept 
    7712 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7713 File "C:\Program Files\ChimeraX\bin\lib\site-
    7714 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7715 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7716 exclude=exclude) 
    7717 File "C:\Program Files\ChimeraX\bin\lib\site-
    7718 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7719 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7720 File "C:\Program Files\ChimeraX\bin\lib\site-
    7721 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7722 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7723 File "C:\Program Files\ChimeraX\bin\lib\site-
    7724 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7725 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7726 File "C:\Program Files\ChimeraX\bin\lib\site-
    7727 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7728 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7729 File "C:\Program Files\ChimeraX\bin\lib\site-
    7730 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7731 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7732 File "C:\Program Files\ChimeraX\bin\lib\site-
    7733 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7734 cget(self._c_pointers, n, pointer(values)) 
    7735 OSError: exception: access violation reading 0x0000000000041468 
    7736  
    7737 OSError: exception: access violation reading 0x0000000000041468 
    7738  
    7739 File "C:\Program Files\ChimeraX\bin\lib\site-
    7740 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7741 cget(self._c_pointers, n, pointer(values)) 
    7742  
    7743 See log for complete Python traceback. 
    7744  
    7745 Traceback (most recent call last): 
    7746 File "C:\Program Files\ChimeraX\bin\lib\site-
    7747 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7748 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7749 File "C:\Program Files\ChimeraX\bin\lib\site-
    7750 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7751 mouse_pause_tracking 
    7752 self._mouse_pause() 
    7753 File "C:\Program Files\ChimeraX\bin\lib\site-
    7754 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7755 m.pause(self._mouse_pause_position) 
    7756 File "C:\Program Files\ChimeraX\bin\lib\site-
    7757 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7758 p = self.view.picked_object(x, y) 
    7759 File "C:\Program Files\ChimeraX\bin\lib\site-
    7760 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7761 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7762 beyond, 
    7763 File "C:\Program Files\ChimeraX\bin\lib\site-
    7764 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7765 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7766 File "C:\Program Files\ChimeraX\bin\lib\site-
    7767 packages\chimerax\core\models.py", line 126, in first_intercept 
    7768 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7769 File "C:\Program Files\ChimeraX\bin\lib\site-
    7770 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7771 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7772 exclude=exclude) 
    7773 File "C:\Program Files\ChimeraX\bin\lib\site-
    7774 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7775 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7776 File "C:\Program Files\ChimeraX\bin\lib\site-
    7777 packages\chimerax\core\models.py", line 126, in first_intercept 
    7778 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7779 File "C:\Program Files\ChimeraX\bin\lib\site-
    7780 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7781 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7782 exclude=exclude) 
    7783 File "C:\Program Files\ChimeraX\bin\lib\site-
    7784 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7785 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7786 File "C:\Program Files\ChimeraX\bin\lib\site-
    7787 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7788 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7789 File "C:\Program Files\ChimeraX\bin\lib\site-
    7790 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7791 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7792 File "C:\Program Files\ChimeraX\bin\lib\site-
    7793 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7794 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7795 File "C:\Program Files\ChimeraX\bin\lib\site-
    7796 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7797 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7798 File "C:\Program Files\ChimeraX\bin\lib\site-
    7799 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7800 cget(self._c_pointers, n, pointer(values)) 
    7801 OSError: exception: access violation reading 0x0000000000041468 
    7802  
    7803 OSError: exception: access violation reading 0x0000000000041468 
    7804  
    7805 File "C:\Program Files\ChimeraX\bin\lib\site-
    7806 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7807 cget(self._c_pointers, n, pointer(values)) 
    7808  
    7809 See log for complete Python traceback. 
    7810  
    7811 Traceback (most recent call last): 
    7812 File "C:\Program Files\ChimeraX\bin\lib\site-
    7813 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7814 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7815 File "C:\Program Files\ChimeraX\bin\lib\site-
    7816 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7817 mouse_pause_tracking 
    7818 self._mouse_pause() 
    7819 File "C:\Program Files\ChimeraX\bin\lib\site-
    7820 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7821 m.pause(self._mouse_pause_position) 
    7822 File "C:\Program Files\ChimeraX\bin\lib\site-
    7823 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7824 p = self.view.picked_object(x, y) 
    7825 File "C:\Program Files\ChimeraX\bin\lib\site-
    7826 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7827 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7828 beyond, 
    7829 File "C:\Program Files\ChimeraX\bin\lib\site-
    7830 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7831 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7832 File "C:\Program Files\ChimeraX\bin\lib\site-
    7833 packages\chimerax\core\models.py", line 126, in first_intercept 
    7834 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7835 File "C:\Program Files\ChimeraX\bin\lib\site-
    7836 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7837 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7838 exclude=exclude) 
    7839 File "C:\Program Files\ChimeraX\bin\lib\site-
    7840 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7841 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7842 File "C:\Program Files\ChimeraX\bin\lib\site-
    7843 packages\chimerax\core\models.py", line 126, in first_intercept 
    7844 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7845 File "C:\Program Files\ChimeraX\bin\lib\site-
    7846 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7847 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7848 exclude=exclude) 
    7849 File "C:\Program Files\ChimeraX\bin\lib\site-
    7850 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7851 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7852 File "C:\Program Files\ChimeraX\bin\lib\site-
    7853 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7854 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7855 File "C:\Program Files\ChimeraX\bin\lib\site-
    7856 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7857 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7858 File "C:\Program Files\ChimeraX\bin\lib\site-
    7859 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7860 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7861 File "C:\Program Files\ChimeraX\bin\lib\site-
    7862 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7863 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7864 File "C:\Program Files\ChimeraX\bin\lib\site-
    7865 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7866 cget(self._c_pointers, n, pointer(values)) 
    7867 OSError: exception: access violation reading 0x0000000000041468 
    7868  
    7869 OSError: exception: access violation reading 0x0000000000041468 
    7870  
    7871 File "C:\Program Files\ChimeraX\bin\lib\site-
    7872 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7873 cget(self._c_pointers, n, pointer(values)) 
    7874  
    7875 See log for complete Python traceback. 
    7876  
    7877 Traceback (most recent call last): 
    7878 File "C:\Program Files\ChimeraX\bin\lib\site-
    7879 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7880 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7881 File "C:\Program Files\ChimeraX\bin\lib\site-
    7882 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7883 mouse_pause_tracking 
    7884 self._mouse_pause() 
    7885 File "C:\Program Files\ChimeraX\bin\lib\site-
    7886 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7887 m.pause(self._mouse_pause_position) 
    7888 File "C:\Program Files\ChimeraX\bin\lib\site-
    7889 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7890 p = self.view.picked_object(x, y) 
    7891 File "C:\Program Files\ChimeraX\bin\lib\site-
    7892 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7893 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7894 beyond, 
    7895 File "C:\Program Files\ChimeraX\bin\lib\site-
    7896 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7897 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7898 File "C:\Program Files\ChimeraX\bin\lib\site-
    7899 packages\chimerax\core\models.py", line 126, in first_intercept 
    7900 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7901 File "C:\Program Files\ChimeraX\bin\lib\site-
    7902 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7903 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7904 exclude=exclude) 
    7905 File "C:\Program Files\ChimeraX\bin\lib\site-
    7906 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7907 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7908 File "C:\Program Files\ChimeraX\bin\lib\site-
    7909 packages\chimerax\core\models.py", line 126, in first_intercept 
    7910 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7911 File "C:\Program Files\ChimeraX\bin\lib\site-
    7912 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7913 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7914 exclude=exclude) 
    7915 File "C:\Program Files\ChimeraX\bin\lib\site-
    7916 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7917 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7918 File "C:\Program Files\ChimeraX\bin\lib\site-
    7919 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7920 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7921 File "C:\Program Files\ChimeraX\bin\lib\site-
    7922 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7923 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7924 File "C:\Program Files\ChimeraX\bin\lib\site-
    7925 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7926 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7927 File "C:\Program Files\ChimeraX\bin\lib\site-
    7928 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7929 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7930 File "C:\Program Files\ChimeraX\bin\lib\site-
    7931 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7932 cget(self._c_pointers, n, pointer(values)) 
    7933 OSError: exception: access violation reading 0x0000000000041468 
    7934  
    7935 OSError: exception: access violation reading 0x0000000000041468 
    7936  
    7937 File "C:\Program Files\ChimeraX\bin\lib\site-
    7938 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7939 cget(self._c_pointers, n, pointer(values)) 
    7940  
    7941 See log for complete Python traceback. 
    7942  
    7943 Traceback (most recent call last): 
    7944 File "C:\Program Files\ChimeraX\bin\lib\site-
    7945 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    7946 self.session.ui.mouse_modes.mouse_pause_tracking() 
    7947 File "C:\Program Files\ChimeraX\bin\lib\site-
    7948 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    7949 mouse_pause_tracking 
    7950 self._mouse_pause() 
    7951 File "C:\Program Files\ChimeraX\bin\lib\site-
    7952 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    7953 m.pause(self._mouse_pause_position) 
    7954 File "C:\Program Files\ChimeraX\bin\lib\site-
    7955 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    7956 p = self.view.picked_object(x, y) 
    7957 File "C:\Program Files\ChimeraX\bin\lib\site-
    7958 packages\chimerax\graphics\view.py", line 817, in picked_object 
    7959 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    7960 beyond, 
    7961 File "C:\Program Files\ChimeraX\bin\lib\site-
    7962 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    7963 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    7964 File "C:\Program Files\ChimeraX\bin\lib\site-
    7965 packages\chimerax\core\models.py", line 126, in first_intercept 
    7966 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7967 File "C:\Program Files\ChimeraX\bin\lib\site-
    7968 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7969 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7970 exclude=exclude) 
    7971 File "C:\Program Files\ChimeraX\bin\lib\site-
    7972 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7973 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7974 File "C:\Program Files\ChimeraX\bin\lib\site-
    7975 packages\chimerax\core\models.py", line 126, in first_intercept 
    7976 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    7977 File "C:\Program Files\ChimeraX\bin\lib\site-
    7978 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    7979 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    7980 exclude=exclude) 
    7981 File "C:\Program Files\ChimeraX\bin\lib\site-
    7982 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    7983 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    7984 File "C:\Program Files\ChimeraX\bin\lib\site-
    7985 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    7986 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    7987 File "C:\Program Files\ChimeraX\bin\lib\site-
    7988 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    7989 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    7990 File "C:\Program Files\ChimeraX\bin\lib\site-
    7991 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    7992 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    7993 File "C:\Program Files\ChimeraX\bin\lib\site-
    7994 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    7995 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    7996 File "C:\Program Files\ChimeraX\bin\lib\site-
    7997 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    7998 cget(self._c_pointers, n, pointer(values)) 
    7999 OSError: exception: access violation reading 0x0000000000041468 
    8000  
    8001 OSError: exception: access violation reading 0x0000000000041468 
    8002  
    8003 File "C:\Program Files\ChimeraX\bin\lib\site-
    8004 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8005 cget(self._c_pointers, n, pointer(values)) 
    8006  
    8007 See log for complete Python traceback. 
    8008  
    8009 Traceback (most recent call last): 
    8010 File "C:\Program Files\ChimeraX\bin\lib\site-
    8011 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8012 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8013 File "C:\Program Files\ChimeraX\bin\lib\site-
    8014 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8015 mouse_pause_tracking 
    8016 self._mouse_pause() 
    8017 File "C:\Program Files\ChimeraX\bin\lib\site-
    8018 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8019 m.pause(self._mouse_pause_position) 
    8020 File "C:\Program Files\ChimeraX\bin\lib\site-
    8021 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8022 p = self.view.picked_object(x, y) 
    8023 File "C:\Program Files\ChimeraX\bin\lib\site-
    8024 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8025 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8026 beyond, 
    8027 File "C:\Program Files\ChimeraX\bin\lib\site-
    8028 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8029 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8030 File "C:\Program Files\ChimeraX\bin\lib\site-
    8031 packages\chimerax\core\models.py", line 126, in first_intercept 
    8032 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8033 File "C:\Program Files\ChimeraX\bin\lib\site-
    8034 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8035 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8036 exclude=exclude) 
    8037 File "C:\Program Files\ChimeraX\bin\lib\site-
    8038 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8039 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8040 File "C:\Program Files\ChimeraX\bin\lib\site-
    8041 packages\chimerax\core\models.py", line 126, in first_intercept 
    8042 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8043 File "C:\Program Files\ChimeraX\bin\lib\site-
    8044 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8045 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8046 exclude=exclude) 
    8047 File "C:\Program Files\ChimeraX\bin\lib\site-
    8048 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8049 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8050 File "C:\Program Files\ChimeraX\bin\lib\site-
    8051 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8052 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8053 File "C:\Program Files\ChimeraX\bin\lib\site-
    8054 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8055 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8056 File "C:\Program Files\ChimeraX\bin\lib\site-
    8057 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8058 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8059 File "C:\Program Files\ChimeraX\bin\lib\site-
    8060 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8061 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8062 File "C:\Program Files\ChimeraX\bin\lib\site-
    8063 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8064 cget(self._c_pointers, n, pointer(values)) 
    8065 OSError: exception: access violation reading 0x0000000000041468 
    8066  
    8067 OSError: exception: access violation reading 0x0000000000041468 
    8068  
    8069 File "C:\Program Files\ChimeraX\bin\lib\site-
    8070 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8071 cget(self._c_pointers, n, pointer(values)) 
    8072  
    8073 See log for complete Python traceback. 
    8074  
    8075 Traceback (most recent call last): 
    8076 File "C:\Program Files\ChimeraX\bin\lib\site-
    8077 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8078 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8079 File "C:\Program Files\ChimeraX\bin\lib\site-
    8080 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8081 mouse_pause_tracking 
    8082 self._mouse_pause() 
    8083 File "C:\Program Files\ChimeraX\bin\lib\site-
    8084 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8085 m.pause(self._mouse_pause_position) 
    8086 File "C:\Program Files\ChimeraX\bin\lib\site-
    8087 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8088 p = self.view.picked_object(x, y) 
    8089 File "C:\Program Files\ChimeraX\bin\lib\site-
    8090 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8091 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8092 beyond, 
    8093 File "C:\Program Files\ChimeraX\bin\lib\site-
    8094 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8095 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8096 File "C:\Program Files\ChimeraX\bin\lib\site-
    8097 packages\chimerax\core\models.py", line 126, in first_intercept 
    8098 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8099 File "C:\Program Files\ChimeraX\bin\lib\site-
    8100 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8101 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8102 exclude=exclude) 
    8103 File "C:\Program Files\ChimeraX\bin\lib\site-
    8104 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8105 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8106 File "C:\Program Files\ChimeraX\bin\lib\site-
    8107 packages\chimerax\core\models.py", line 126, in first_intercept 
    8108 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8109 File "C:\Program Files\ChimeraX\bin\lib\site-
    8110 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8111 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8112 exclude=exclude) 
    8113 File "C:\Program Files\ChimeraX\bin\lib\site-
    8114 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8115 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8116 File "C:\Program Files\ChimeraX\bin\lib\site-
    8117 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8118 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8119 File "C:\Program Files\ChimeraX\bin\lib\site-
    8120 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8121 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8122 File "C:\Program Files\ChimeraX\bin\lib\site-
    8123 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8124 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8125 File "C:\Program Files\ChimeraX\bin\lib\site-
    8126 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8127 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8128 File "C:\Program Files\ChimeraX\bin\lib\site-
    8129 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8130 cget(self._c_pointers, n, pointer(values)) 
    8131 OSError: exception: access violation reading 0x0000000000041468 
    8132  
    8133 OSError: exception: access violation reading 0x0000000000041468 
    8134  
    8135 File "C:\Program Files\ChimeraX\bin\lib\site-
    8136 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8137 cget(self._c_pointers, n, pointer(values)) 
    8138  
    8139 See log for complete Python traceback. 
    8140  
    8141 Traceback (most recent call last): 
    8142 File "C:\Program Files\ChimeraX\bin\lib\site-
    8143 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8144 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8145 File "C:\Program Files\ChimeraX\bin\lib\site-
    8146 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8147 mouse_pause_tracking 
    8148 self._mouse_pause() 
    8149 File "C:\Program Files\ChimeraX\bin\lib\site-
    8150 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8151 m.pause(self._mouse_pause_position) 
    8152 File "C:\Program Files\ChimeraX\bin\lib\site-
    8153 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8154 p = self.view.picked_object(x, y) 
    8155 File "C:\Program Files\ChimeraX\bin\lib\site-
    8156 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8157 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8158 beyond, 
    8159 File "C:\Program Files\ChimeraX\bin\lib\site-
    8160 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8161 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8162 File "C:\Program Files\ChimeraX\bin\lib\site-
    8163 packages\chimerax\core\models.py", line 126, in first_intercept 
    8164 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8165 File "C:\Program Files\ChimeraX\bin\lib\site-
    8166 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8167 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8168 exclude=exclude) 
    8169 File "C:\Program Files\ChimeraX\bin\lib\site-
    8170 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8171 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8172 File "C:\Program Files\ChimeraX\bin\lib\site-
    8173 packages\chimerax\core\models.py", line 126, in first_intercept 
    8174 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8175 File "C:\Program Files\ChimeraX\bin\lib\site-
    8176 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8177 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8178 exclude=exclude) 
    8179 File "C:\Program Files\ChimeraX\bin\lib\site-
    8180 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8181 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8182 File "C:\Program Files\ChimeraX\bin\lib\site-
    8183 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8184 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8185 File "C:\Program Files\ChimeraX\bin\lib\site-
    8186 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8187 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8188 File "C:\Program Files\ChimeraX\bin\lib\site-
    8189 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8190 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8191 File "C:\Program Files\ChimeraX\bin\lib\site-
    8192 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8193 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8194 File "C:\Program Files\ChimeraX\bin\lib\site-
    8195 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8196 cget(self._c_pointers, n, pointer(values)) 
    8197 OSError: exception: access violation reading 0x0000000000041468 
    8198  
    8199 OSError: exception: access violation reading 0x0000000000041468 
    8200  
    8201 File "C:\Program Files\ChimeraX\bin\lib\site-
    8202 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8203 cget(self._c_pointers, n, pointer(values)) 
    8204  
    8205 See log for complete Python traceback. 
    8206  
    8207 Traceback (most recent call last): 
    8208 File "C:\Program Files\ChimeraX\bin\lib\site-
    8209 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8210 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8211 File "C:\Program Files\ChimeraX\bin\lib\site-
    8212 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8213 mouse_pause_tracking 
    8214 self._mouse_pause() 
    8215 File "C:\Program Files\ChimeraX\bin\lib\site-
    8216 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8217 m.pause(self._mouse_pause_position) 
    8218 File "C:\Program Files\ChimeraX\bin\lib\site-
    8219 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8220 p = self.view.picked_object(x, y) 
    8221 File "C:\Program Files\ChimeraX\bin\lib\site-
    8222 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8223 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8224 beyond, 
    8225 File "C:\Program Files\ChimeraX\bin\lib\site-
    8226 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8227 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8228 File "C:\Program Files\ChimeraX\bin\lib\site-
    8229 packages\chimerax\core\models.py", line 126, in first_intercept 
    8230 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8231 File "C:\Program Files\ChimeraX\bin\lib\site-
    8232 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8233 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8234 exclude=exclude) 
    8235 File "C:\Program Files\ChimeraX\bin\lib\site-
    8236 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8237 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8238 File "C:\Program Files\ChimeraX\bin\lib\site-
    8239 packages\chimerax\core\models.py", line 126, in first_intercept 
    8240 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8241 File "C:\Program Files\ChimeraX\bin\lib\site-
    8242 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8243 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8244 exclude=exclude) 
    8245 File "C:\Program Files\ChimeraX\bin\lib\site-
    8246 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8247 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8248 File "C:\Program Files\ChimeraX\bin\lib\site-
    8249 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8250 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8251 File "C:\Program Files\ChimeraX\bin\lib\site-
    8252 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8253 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8254 File "C:\Program Files\ChimeraX\bin\lib\site-
    8255 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8256 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8257 File "C:\Program Files\ChimeraX\bin\lib\site-
    8258 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8259 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8260 File "C:\Program Files\ChimeraX\bin\lib\site-
    8261 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8262 cget(self._c_pointers, n, pointer(values)) 
    8263 OSError: exception: access violation reading 0x0000000000041468 
    8264  
    8265 OSError: exception: access violation reading 0x0000000000041468 
    8266  
    8267 File "C:\Program Files\ChimeraX\bin\lib\site-
    8268 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8269 cget(self._c_pointers, n, pointer(values)) 
    8270  
    8271 See log for complete Python traceback. 
    8272  
    8273 Traceback (most recent call last): 
    8274 File "C:\Program Files\ChimeraX\bin\lib\site-
    8275 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8276 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8277 File "C:\Program Files\ChimeraX\bin\lib\site-
    8278 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8279 mouse_pause_tracking 
    8280 self._mouse_pause() 
    8281 File "C:\Program Files\ChimeraX\bin\lib\site-
    8282 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8283 m.pause(self._mouse_pause_position) 
    8284 File "C:\Program Files\ChimeraX\bin\lib\site-
    8285 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8286 p = self.view.picked_object(x, y) 
    8287 File "C:\Program Files\ChimeraX\bin\lib\site-
    8288 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8289 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8290 beyond, 
    8291 File "C:\Program Files\ChimeraX\bin\lib\site-
    8292 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8293 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8294 File "C:\Program Files\ChimeraX\bin\lib\site-
    8295 packages\chimerax\core\models.py", line 126, in first_intercept 
    8296 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8297 File "C:\Program Files\ChimeraX\bin\lib\site-
    8298 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8299 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8300 exclude=exclude) 
    8301 File "C:\Program Files\ChimeraX\bin\lib\site-
    8302 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8303 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8304 File "C:\Program Files\ChimeraX\bin\lib\site-
    8305 packages\chimerax\core\models.py", line 126, in first_intercept 
    8306 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8307 File "C:\Program Files\ChimeraX\bin\lib\site-
    8308 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8309 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8310 exclude=exclude) 
    8311 File "C:\Program Files\ChimeraX\bin\lib\site-
    8312 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8313 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8314 File "C:\Program Files\ChimeraX\bin\lib\site-
    8315 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8316 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8317 File "C:\Program Files\ChimeraX\bin\lib\site-
    8318 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8319 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8320 File "C:\Program Files\ChimeraX\bin\lib\site-
    8321 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8322 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8323 File "C:\Program Files\ChimeraX\bin\lib\site-
    8324 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8325 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8326 File "C:\Program Files\ChimeraX\bin\lib\site-
    8327 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8328 cget(self._c_pointers, n, pointer(values)) 
    8329 OSError: exception: access violation reading 0x0000000000041468 
    8330  
    8331 OSError: exception: access violation reading 0x0000000000041468 
    8332  
    8333 File "C:\Program Files\ChimeraX\bin\lib\site-
    8334 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8335 cget(self._c_pointers, n, pointer(values)) 
    8336  
    8337 See log for complete Python traceback. 
    8338  
    8339 Traceback (most recent call last): 
    8340 File "C:\Program Files\ChimeraX\bin\lib\site-
    8341 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8342 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8343 File "C:\Program Files\ChimeraX\bin\lib\site-
    8344 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8345 mouse_pause_tracking 
    8346 self._mouse_pause() 
    8347 File "C:\Program Files\ChimeraX\bin\lib\site-
    8348 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8349 m.pause(self._mouse_pause_position) 
    8350 File "C:\Program Files\ChimeraX\bin\lib\site-
    8351 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8352 p = self.view.picked_object(x, y) 
    8353 File "C:\Program Files\ChimeraX\bin\lib\site-
    8354 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8355 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8356 beyond, 
    8357 File "C:\Program Files\ChimeraX\bin\lib\site-
    8358 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8359 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8360 File "C:\Program Files\ChimeraX\bin\lib\site-
    8361 packages\chimerax\core\models.py", line 126, in first_intercept 
    8362 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8363 File "C:\Program Files\ChimeraX\bin\lib\site-
    8364 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8365 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8366 exclude=exclude) 
    8367 File "C:\Program Files\ChimeraX\bin\lib\site-
    8368 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8369 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8370 File "C:\Program Files\ChimeraX\bin\lib\site-
    8371 packages\chimerax\core\models.py", line 126, in first_intercept 
    8372 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8373 File "C:\Program Files\ChimeraX\bin\lib\site-
    8374 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8375 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8376 exclude=exclude) 
    8377 File "C:\Program Files\ChimeraX\bin\lib\site-
    8378 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8379 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8380 File "C:\Program Files\ChimeraX\bin\lib\site-
    8381 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8382 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8383 File "C:\Program Files\ChimeraX\bin\lib\site-
    8384 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8385 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8386 File "C:\Program Files\ChimeraX\bin\lib\site-
    8387 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8388 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8389 File "C:\Program Files\ChimeraX\bin\lib\site-
    8390 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8391 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8392 File "C:\Program Files\ChimeraX\bin\lib\site-
    8393 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8394 cget(self._c_pointers, n, pointer(values)) 
    8395 OSError: exception: access violation reading 0x0000000000041468 
    8396  
    8397 OSError: exception: access violation reading 0x0000000000041468 
    8398  
    8399 File "C:\Program Files\ChimeraX\bin\lib\site-
    8400 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8401 cget(self._c_pointers, n, pointer(values)) 
    8402  
    8403 See log for complete Python traceback. 
    8404  
    8405 Traceback (most recent call last): 
    8406 File "C:\Program Files\ChimeraX\bin\lib\site-
    8407 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8408 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8409 File "C:\Program Files\ChimeraX\bin\lib\site-
    8410 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8411 mouse_pause_tracking 
    8412 self._mouse_pause() 
    8413 File "C:\Program Files\ChimeraX\bin\lib\site-
    8414 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8415 m.pause(self._mouse_pause_position) 
    8416 File "C:\Program Files\ChimeraX\bin\lib\site-
    8417 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8418 p = self.view.picked_object(x, y) 
    8419 File "C:\Program Files\ChimeraX\bin\lib\site-
    8420 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8421 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8422 beyond, 
    8423 File "C:\Program Files\ChimeraX\bin\lib\site-
    8424 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8425 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8426 File "C:\Program Files\ChimeraX\bin\lib\site-
    8427 packages\chimerax\core\models.py", line 126, in first_intercept 
    8428 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8429 File "C:\Program Files\ChimeraX\bin\lib\site-
    8430 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8431 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8432 exclude=exclude) 
    8433 File "C:\Program Files\ChimeraX\bin\lib\site-
    8434 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8435 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8436 File "C:\Program Files\ChimeraX\bin\lib\site-
    8437 packages\chimerax\core\models.py", line 126, in first_intercept 
    8438 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8439 File "C:\Program Files\ChimeraX\bin\lib\site-
    8440 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8441 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8442 exclude=exclude) 
    8443 File "C:\Program Files\ChimeraX\bin\lib\site-
    8444 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8445 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8446 File "C:\Program Files\ChimeraX\bin\lib\site-
    8447 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8448 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8449 File "C:\Program Files\ChimeraX\bin\lib\site-
    8450 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8451 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8452 File "C:\Program Files\ChimeraX\bin\lib\site-
    8453 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8454 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8455 File "C:\Program Files\ChimeraX\bin\lib\site-
    8456 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8457 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8458 File "C:\Program Files\ChimeraX\bin\lib\site-
    8459 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8460 cget(self._c_pointers, n, pointer(values)) 
    8461 OSError: exception: access violation reading 0x0000000000041468 
    8462  
    8463 OSError: exception: access violation reading 0x0000000000041468 
    8464  
    8465 File "C:\Program Files\ChimeraX\bin\lib\site-
    8466 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8467 cget(self._c_pointers, n, pointer(values)) 
    8468  
    8469 See log for complete Python traceback. 
    8470  
    8471 Traceback (most recent call last): 
    8472 File "C:\Program Files\ChimeraX\bin\lib\site-
    8473 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8474 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8475 File "C:\Program Files\ChimeraX\bin\lib\site-
    8476 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8477 mouse_pause_tracking 
    8478 self._mouse_pause() 
    8479 File "C:\Program Files\ChimeraX\bin\lib\site-
    8480 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8481 m.pause(self._mouse_pause_position) 
    8482 File "C:\Program Files\ChimeraX\bin\lib\site-
    8483 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8484 p = self.view.picked_object(x, y) 
    8485 File "C:\Program Files\ChimeraX\bin\lib\site-
    8486 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8487 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8488 beyond, 
    8489 File "C:\Program Files\ChimeraX\bin\lib\site-
    8490 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8491 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8492 File "C:\Program Files\ChimeraX\bin\lib\site-
    8493 packages\chimerax\core\models.py", line 126, in first_intercept 
    8494 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8495 File "C:\Program Files\ChimeraX\bin\lib\site-
    8496 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8497 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8498 exclude=exclude) 
    8499 File "C:\Program Files\ChimeraX\bin\lib\site-
    8500 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8501 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8502 File "C:\Program Files\ChimeraX\bin\lib\site-
    8503 packages\chimerax\core\models.py", line 126, in first_intercept 
    8504 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8505 File "C:\Program Files\ChimeraX\bin\lib\site-
    8506 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8507 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8508 exclude=exclude) 
    8509 File "C:\Program Files\ChimeraX\bin\lib\site-
    8510 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8511 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8512 File "C:\Program Files\ChimeraX\bin\lib\site-
    8513 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8514 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8515 File "C:\Program Files\ChimeraX\bin\lib\site-
    8516 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8517 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8518 File "C:\Program Files\ChimeraX\bin\lib\site-
    8519 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8520 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8521 File "C:\Program Files\ChimeraX\bin\lib\site-
    8522 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8523 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8524 File "C:\Program Files\ChimeraX\bin\lib\site-
    8525 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8526 cget(self._c_pointers, n, pointer(values)) 
    8527 OSError: exception: access violation reading 0x0000000000041468 
    8528  
    8529 OSError: exception: access violation reading 0x0000000000041468 
    8530  
    8531 File "C:\Program Files\ChimeraX\bin\lib\site-
    8532 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8533 cget(self._c_pointers, n, pointer(values)) 
    8534  
    8535 See log for complete Python traceback. 
    8536  
    8537 Traceback (most recent call last): 
    8538 File "C:\Program Files\ChimeraX\bin\lib\site-
    8539 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8540 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8541 File "C:\Program Files\ChimeraX\bin\lib\site-
    8542 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8543 mouse_pause_tracking 
    8544 self._mouse_pause() 
    8545 File "C:\Program Files\ChimeraX\bin\lib\site-
    8546 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8547 m.pause(self._mouse_pause_position) 
    8548 File "C:\Program Files\ChimeraX\bin\lib\site-
    8549 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8550 p = self.view.picked_object(x, y) 
    8551 File "C:\Program Files\ChimeraX\bin\lib\site-
    8552 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8553 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8554 beyond, 
    8555 File "C:\Program Files\ChimeraX\bin\lib\site-
    8556 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8557 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8558 File "C:\Program Files\ChimeraX\bin\lib\site-
    8559 packages\chimerax\core\models.py", line 126, in first_intercept 
    8560 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8561 File "C:\Program Files\ChimeraX\bin\lib\site-
    8562 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8563 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8564 exclude=exclude) 
    8565 File "C:\Program Files\ChimeraX\bin\lib\site-
    8566 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8567 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8568 File "C:\Program Files\ChimeraX\bin\lib\site-
    8569 packages\chimerax\core\models.py", line 126, in first_intercept 
    8570 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8571 File "C:\Program Files\ChimeraX\bin\lib\site-
    8572 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8573 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8574 exclude=exclude) 
    8575 File "C:\Program Files\ChimeraX\bin\lib\site-
    8576 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8577 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8578 File "C:\Program Files\ChimeraX\bin\lib\site-
    8579 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8580 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8581 File "C:\Program Files\ChimeraX\bin\lib\site-
    8582 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8583 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8584 File "C:\Program Files\ChimeraX\bin\lib\site-
    8585 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8586 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8587 File "C:\Program Files\ChimeraX\bin\lib\site-
    8588 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8589 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8590 File "C:\Program Files\ChimeraX\bin\lib\site-
    8591 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8592 cget(self._c_pointers, n, pointer(values)) 
    8593 OSError: exception: access violation reading 0x0000000000041468 
    8594  
    8595 OSError: exception: access violation reading 0x0000000000041468 
    8596  
    8597 File "C:\Program Files\ChimeraX\bin\lib\site-
    8598 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8599 cget(self._c_pointers, n, pointer(values)) 
    8600  
    8601 See log for complete Python traceback. 
    8602  
    8603 Traceback (most recent call last): 
    8604 File "C:\Program Files\ChimeraX\bin\lib\site-
    8605 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8606 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8607 File "C:\Program Files\ChimeraX\bin\lib\site-
    8608 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8609 mouse_pause_tracking 
    8610 self._mouse_pause() 
    8611 File "C:\Program Files\ChimeraX\bin\lib\site-
    8612 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8613 m.pause(self._mouse_pause_position) 
    8614 File "C:\Program Files\ChimeraX\bin\lib\site-
    8615 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8616 p = self.view.picked_object(x, y) 
    8617 File "C:\Program Files\ChimeraX\bin\lib\site-
    8618 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8619 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8620 beyond, 
    8621 File "C:\Program Files\ChimeraX\bin\lib\site-
    8622 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8623 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8624 File "C:\Program Files\ChimeraX\bin\lib\site-
    8625 packages\chimerax\core\models.py", line 126, in first_intercept 
    8626 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8627 File "C:\Program Files\ChimeraX\bin\lib\site-
    8628 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8629 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8630 exclude=exclude) 
    8631 File "C:\Program Files\ChimeraX\bin\lib\site-
    8632 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8633 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8634 File "C:\Program Files\ChimeraX\bin\lib\site-
    8635 packages\chimerax\core\models.py", line 126, in first_intercept 
    8636 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8637 File "C:\Program Files\ChimeraX\bin\lib\site-
    8638 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8639 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8640 exclude=exclude) 
    8641 File "C:\Program Files\ChimeraX\bin\lib\site-
    8642 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8643 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8644 File "C:\Program Files\ChimeraX\bin\lib\site-
    8645 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8646 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8647 File "C:\Program Files\ChimeraX\bin\lib\site-
    8648 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8649 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8650 File "C:\Program Files\ChimeraX\bin\lib\site-
    8651 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8652 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8653 File "C:\Program Files\ChimeraX\bin\lib\site-
    8654 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8655 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8656 File "C:\Program Files\ChimeraX\bin\lib\site-
    8657 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8658 cget(self._c_pointers, n, pointer(values)) 
    8659 OSError: exception: access violation reading 0x0000000000041468 
    8660  
    8661 OSError: exception: access violation reading 0x0000000000041468 
    8662  
    8663 File "C:\Program Files\ChimeraX\bin\lib\site-
    8664 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8665 cget(self._c_pointers, n, pointer(values)) 
    8666  
    8667 See log for complete Python traceback. 
    8668  
    8669 Traceback (most recent call last): 
    8670 File "C:\Program Files\ChimeraX\bin\lib\site-
    8671 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8672 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8673 File "C:\Program Files\ChimeraX\bin\lib\site-
    8674 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8675 mouse_pause_tracking 
    8676 self._mouse_pause() 
    8677 File "C:\Program Files\ChimeraX\bin\lib\site-
    8678 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8679 m.pause(self._mouse_pause_position) 
    8680 File "C:\Program Files\ChimeraX\bin\lib\site-
    8681 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8682 p = self.view.picked_object(x, y) 
    8683 File "C:\Program Files\ChimeraX\bin\lib\site-
    8684 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8685 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8686 beyond, 
    8687 File "C:\Program Files\ChimeraX\bin\lib\site-
    8688 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8689 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8690 File "C:\Program Files\ChimeraX\bin\lib\site-
    8691 packages\chimerax\core\models.py", line 126, in first_intercept 
    8692 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8693 File "C:\Program Files\ChimeraX\bin\lib\site-
    8694 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8695 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8696 exclude=exclude) 
    8697 File "C:\Program Files\ChimeraX\bin\lib\site-
    8698 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8699 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8700 File "C:\Program Files\ChimeraX\bin\lib\site-
    8701 packages\chimerax\core\models.py", line 126, in first_intercept 
    8702 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8703 File "C:\Program Files\ChimeraX\bin\lib\site-
    8704 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8705 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8706 exclude=exclude) 
    8707 File "C:\Program Files\ChimeraX\bin\lib\site-
    8708 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8709 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8710 File "C:\Program Files\ChimeraX\bin\lib\site-
    8711 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8712 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8713 File "C:\Program Files\ChimeraX\bin\lib\site-
    8714 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8715 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8716 File "C:\Program Files\ChimeraX\bin\lib\site-
    8717 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8718 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8719 File "C:\Program Files\ChimeraX\bin\lib\site-
    8720 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8721 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8722 File "C:\Program Files\ChimeraX\bin\lib\site-
    8723 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8724 cget(self._c_pointers, n, pointer(values)) 
    8725 OSError: exception: access violation reading 0x0000000000041468 
    8726  
    8727 OSError: exception: access violation reading 0x0000000000041468 
    8728  
    8729 File "C:\Program Files\ChimeraX\bin\lib\site-
    8730 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8731 cget(self._c_pointers, n, pointer(values)) 
    8732  
    8733 See log for complete Python traceback. 
    8734  
    8735 Traceback (most recent call last): 
    8736 File "C:\Program Files\ChimeraX\bin\lib\site-
    8737 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8738 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8739 File "C:\Program Files\ChimeraX\bin\lib\site-
    8740 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8741 mouse_pause_tracking 
    8742 self._mouse_pause() 
    8743 File "C:\Program Files\ChimeraX\bin\lib\site-
    8744 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8745 m.pause(self._mouse_pause_position) 
    8746 File "C:\Program Files\ChimeraX\bin\lib\site-
    8747 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8748 p = self.view.picked_object(x, y) 
    8749 File "C:\Program Files\ChimeraX\bin\lib\site-
    8750 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8751 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8752 beyond, 
    8753 File "C:\Program Files\ChimeraX\bin\lib\site-
    8754 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8755 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8756 File "C:\Program Files\ChimeraX\bin\lib\site-
    8757 packages\chimerax\core\models.py", line 126, in first_intercept 
    8758 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8759 File "C:\Program Files\ChimeraX\bin\lib\site-
    8760 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8761 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8762 exclude=exclude) 
    8763 File "C:\Program Files\ChimeraX\bin\lib\site-
    8764 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8765 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8766 File "C:\Program Files\ChimeraX\bin\lib\site-
    8767 packages\chimerax\core\models.py", line 126, in first_intercept 
    8768 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8769 File "C:\Program Files\ChimeraX\bin\lib\site-
    8770 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8771 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8772 exclude=exclude) 
    8773 File "C:\Program Files\ChimeraX\bin\lib\site-
    8774 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8775 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8776 File "C:\Program Files\ChimeraX\bin\lib\site-
    8777 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8778 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8779 File "C:\Program Files\ChimeraX\bin\lib\site-
    8780 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8781 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8782 File "C:\Program Files\ChimeraX\bin\lib\site-
    8783 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8784 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8785 File "C:\Program Files\ChimeraX\bin\lib\site-
    8786 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8787 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8788 File "C:\Program Files\ChimeraX\bin\lib\site-
    8789 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8790 cget(self._c_pointers, n, pointer(values)) 
    8791 OSError: exception: access violation reading 0x0000000000041468 
    8792  
    8793 OSError: exception: access violation reading 0x0000000000041468 
    8794  
    8795 File "C:\Program Files\ChimeraX\bin\lib\site-
    8796 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8797 cget(self._c_pointers, n, pointer(values)) 
    8798  
    8799 See log for complete Python traceback. 
    8800  
    8801 Traceback (most recent call last): 
    8802 File "C:\Program Files\ChimeraX\bin\lib\site-
    8803 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8804 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8805 File "C:\Program Files\ChimeraX\bin\lib\site-
    8806 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8807 mouse_pause_tracking 
    8808 self._mouse_pause() 
    8809 File "C:\Program Files\ChimeraX\bin\lib\site-
    8810 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8811 m.pause(self._mouse_pause_position) 
    8812 File "C:\Program Files\ChimeraX\bin\lib\site-
    8813 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8814 p = self.view.picked_object(x, y) 
    8815 File "C:\Program Files\ChimeraX\bin\lib\site-
    8816 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8817 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8818 beyond, 
    8819 File "C:\Program Files\ChimeraX\bin\lib\site-
    8820 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8821 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8822 File "C:\Program Files\ChimeraX\bin\lib\site-
    8823 packages\chimerax\core\models.py", line 126, in first_intercept 
    8824 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8825 File "C:\Program Files\ChimeraX\bin\lib\site-
    8826 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8827 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8828 exclude=exclude) 
    8829 File "C:\Program Files\ChimeraX\bin\lib\site-
    8830 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8831 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8832 File "C:\Program Files\ChimeraX\bin\lib\site-
    8833 packages\chimerax\core\models.py", line 126, in first_intercept 
    8834 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8835 File "C:\Program Files\ChimeraX\bin\lib\site-
    8836 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8837 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8838 exclude=exclude) 
    8839 File "C:\Program Files\ChimeraX\bin\lib\site-
    8840 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8841 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8842 File "C:\Program Files\ChimeraX\bin\lib\site-
    8843 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8844 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8845 File "C:\Program Files\ChimeraX\bin\lib\site-
    8846 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8847 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8848 File "C:\Program Files\ChimeraX\bin\lib\site-
    8849 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8850 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8851 File "C:\Program Files\ChimeraX\bin\lib\site-
    8852 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8853 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8854 File "C:\Program Files\ChimeraX\bin\lib\site-
    8855 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8856 cget(self._c_pointers, n, pointer(values)) 
    8857 OSError: exception: access violation reading 0x0000000000041468 
    8858  
    8859 OSError: exception: access violation reading 0x0000000000041468 
    8860  
    8861 File "C:\Program Files\ChimeraX\bin\lib\site-
    8862 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8863 cget(self._c_pointers, n, pointer(values)) 
    8864  
    8865 See log for complete Python traceback. 
    8866  
    8867 Traceback (most recent call last): 
    8868 File "C:\Program Files\ChimeraX\bin\lib\site-
    8869 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8870 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8871 File "C:\Program Files\ChimeraX\bin\lib\site-
    8872 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8873 mouse_pause_tracking 
    8874 self._mouse_pause() 
    8875 File "C:\Program Files\ChimeraX\bin\lib\site-
    8876 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8877 m.pause(self._mouse_pause_position) 
    8878 File "C:\Program Files\ChimeraX\bin\lib\site-
    8879 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8880 p = self.view.picked_object(x, y) 
    8881 File "C:\Program Files\ChimeraX\bin\lib\site-
    8882 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8883 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8884 beyond, 
    8885 File "C:\Program Files\ChimeraX\bin\lib\site-
    8886 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8887 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8888 File "C:\Program Files\ChimeraX\bin\lib\site-
    8889 packages\chimerax\core\models.py", line 126, in first_intercept 
    8890 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8891 File "C:\Program Files\ChimeraX\bin\lib\site-
    8892 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8893 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8894 exclude=exclude) 
    8895 File "C:\Program Files\ChimeraX\bin\lib\site-
    8896 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8897 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8898 File "C:\Program Files\ChimeraX\bin\lib\site-
    8899 packages\chimerax\core\models.py", line 126, in first_intercept 
    8900 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8901 File "C:\Program Files\ChimeraX\bin\lib\site-
    8902 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8903 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8904 exclude=exclude) 
    8905 File "C:\Program Files\ChimeraX\bin\lib\site-
    8906 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8907 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8908 File "C:\Program Files\ChimeraX\bin\lib\site-
    8909 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8910 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8911 File "C:\Program Files\ChimeraX\bin\lib\site-
    8912 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8913 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8914 File "C:\Program Files\ChimeraX\bin\lib\site-
    8915 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8916 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8917 File "C:\Program Files\ChimeraX\bin\lib\site-
    8918 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8919 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8920 File "C:\Program Files\ChimeraX\bin\lib\site-
    8921 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8922 cget(self._c_pointers, n, pointer(values)) 
    8923 OSError: exception: access violation reading 0x0000000000041468 
    8924  
    8925 OSError: exception: access violation reading 0x0000000000041468 
    8926  
    8927 File "C:\Program Files\ChimeraX\bin\lib\site-
    8928 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8929 cget(self._c_pointers, n, pointer(values)) 
    8930  
    8931 See log for complete Python traceback. 
    8932  
    8933 Traceback (most recent call last): 
    8934 File "C:\Program Files\ChimeraX\bin\lib\site-
    8935 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    8936 self.session.ui.mouse_modes.mouse_pause_tracking() 
    8937 File "C:\Program Files\ChimeraX\bin\lib\site-
    8938 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    8939 mouse_pause_tracking 
    8940 self._mouse_pause() 
    8941 File "C:\Program Files\ChimeraX\bin\lib\site-
    8942 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    8943 m.pause(self._mouse_pause_position) 
    8944 File "C:\Program Files\ChimeraX\bin\lib\site-
    8945 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    8946 p = self.view.picked_object(x, y) 
    8947 File "C:\Program Files\ChimeraX\bin\lib\site-
    8948 packages\chimerax\graphics\view.py", line 817, in picked_object 
    8949 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    8950 beyond, 
    8951 File "C:\Program Files\ChimeraX\bin\lib\site-
    8952 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    8953 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    8954 File "C:\Program Files\ChimeraX\bin\lib\site-
    8955 packages\chimerax\core\models.py", line 126, in first_intercept 
    8956 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8957 File "C:\Program Files\ChimeraX\bin\lib\site-
    8958 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8959 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8960 exclude=exclude) 
    8961 File "C:\Program Files\ChimeraX\bin\lib\site-
    8962 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8963 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8964 File "C:\Program Files\ChimeraX\bin\lib\site-
    8965 packages\chimerax\core\models.py", line 126, in first_intercept 
    8966 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    8967 File "C:\Program Files\ChimeraX\bin\lib\site-
    8968 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    8969 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    8970 exclude=exclude) 
    8971 File "C:\Program Files\ChimeraX\bin\lib\site-
    8972 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    8973 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    8974 File "C:\Program Files\ChimeraX\bin\lib\site-
    8975 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    8976 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    8977 File "C:\Program Files\ChimeraX\bin\lib\site-
    8978 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    8979 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    8980 File "C:\Program Files\ChimeraX\bin\lib\site-
    8981 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    8982 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    8983 File "C:\Program Files\ChimeraX\bin\lib\site-
    8984 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    8985 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    8986 File "C:\Program Files\ChimeraX\bin\lib\site-
    8987 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8988 cget(self._c_pointers, n, pointer(values)) 
    8989 OSError: exception: access violation reading 0x0000000000041468 
    8990  
    8991 OSError: exception: access violation reading 0x0000000000041468 
    8992  
    8993 File "C:\Program Files\ChimeraX\bin\lib\site-
    8994 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    8995 cget(self._c_pointers, n, pointer(values)) 
    8996  
    8997 See log for complete Python traceback. 
    8998  
    8999 Traceback (most recent call last): 
    9000 File "C:\Program Files\ChimeraX\bin\lib\site-
    9001 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9002 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9003 File "C:\Program Files\ChimeraX\bin\lib\site-
    9004 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9005 mouse_pause_tracking 
    9006 self._mouse_pause() 
    9007 File "C:\Program Files\ChimeraX\bin\lib\site-
    9008 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9009 m.pause(self._mouse_pause_position) 
    9010 File "C:\Program Files\ChimeraX\bin\lib\site-
    9011 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9012 p = self.view.picked_object(x, y) 
    9013 File "C:\Program Files\ChimeraX\bin\lib\site-
    9014 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9015 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9016 beyond, 
    9017 File "C:\Program Files\ChimeraX\bin\lib\site-
    9018 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9019 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9020 File "C:\Program Files\ChimeraX\bin\lib\site-
    9021 packages\chimerax\core\models.py", line 126, in first_intercept 
    9022 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9023 File "C:\Program Files\ChimeraX\bin\lib\site-
    9024 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9025 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9026 exclude=exclude) 
    9027 File "C:\Program Files\ChimeraX\bin\lib\site-
    9028 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9029 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9030 File "C:\Program Files\ChimeraX\bin\lib\site-
    9031 packages\chimerax\core\models.py", line 126, in first_intercept 
    9032 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9033 File "C:\Program Files\ChimeraX\bin\lib\site-
    9034 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9035 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9036 exclude=exclude) 
    9037 File "C:\Program Files\ChimeraX\bin\lib\site-
    9038 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9039 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9040 File "C:\Program Files\ChimeraX\bin\lib\site-
    9041 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9042 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9043 File "C:\Program Files\ChimeraX\bin\lib\site-
    9044 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9045 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9046 File "C:\Program Files\ChimeraX\bin\lib\site-
    9047 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9048 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9049 File "C:\Program Files\ChimeraX\bin\lib\site-
    9050 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9051 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9052 File "C:\Program Files\ChimeraX\bin\lib\site-
    9053 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9054 cget(self._c_pointers, n, pointer(values)) 
    9055 OSError: exception: access violation reading 0x0000000000041468 
    9056  
    9057 OSError: exception: access violation reading 0x0000000000041468 
    9058  
    9059 File "C:\Program Files\ChimeraX\bin\lib\site-
    9060 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9061 cget(self._c_pointers, n, pointer(values)) 
    9062  
    9063 See log for complete Python traceback. 
    9064  
    9065 Traceback (most recent call last): 
    9066 File "C:\Program Files\ChimeraX\bin\lib\site-
    9067 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9068 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9069 File "C:\Program Files\ChimeraX\bin\lib\site-
    9070 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9071 mouse_pause_tracking 
    9072 self._mouse_pause() 
    9073 File "C:\Program Files\ChimeraX\bin\lib\site-
    9074 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9075 m.pause(self._mouse_pause_position) 
    9076 File "C:\Program Files\ChimeraX\bin\lib\site-
    9077 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9078 p = self.view.picked_object(x, y) 
    9079 File "C:\Program Files\ChimeraX\bin\lib\site-
    9080 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9081 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9082 beyond, 
    9083 File "C:\Program Files\ChimeraX\bin\lib\site-
    9084 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9085 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9086 File "C:\Program Files\ChimeraX\bin\lib\site-
    9087 packages\chimerax\core\models.py", line 126, in first_intercept 
    9088 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9089 File "C:\Program Files\ChimeraX\bin\lib\site-
    9090 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9091 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9092 exclude=exclude) 
    9093 File "C:\Program Files\ChimeraX\bin\lib\site-
    9094 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9095 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9096 File "C:\Program Files\ChimeraX\bin\lib\site-
    9097 packages\chimerax\core\models.py", line 126, in first_intercept 
    9098 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9099 File "C:\Program Files\ChimeraX\bin\lib\site-
    9100 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9101 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9102 exclude=exclude) 
    9103 File "C:\Program Files\ChimeraX\bin\lib\site-
    9104 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9105 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9106 File "C:\Program Files\ChimeraX\bin\lib\site-
    9107 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9108 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9109 File "C:\Program Files\ChimeraX\bin\lib\site-
    9110 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9111 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9112 File "C:\Program Files\ChimeraX\bin\lib\site-
    9113 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9114 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9115 File "C:\Program Files\ChimeraX\bin\lib\site-
    9116 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9117 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9118 File "C:\Program Files\ChimeraX\bin\lib\site-
    9119 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9120 cget(self._c_pointers, n, pointer(values)) 
    9121 OSError: exception: access violation reading 0x0000000000041468 
    9122  
    9123 OSError: exception: access violation reading 0x0000000000041468 
    9124  
    9125 File "C:\Program Files\ChimeraX\bin\lib\site-
    9126 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9127 cget(self._c_pointers, n, pointer(values)) 
    9128  
    9129 See log for complete Python traceback. 
    9130  
    9131 Traceback (most recent call last): 
    9132 File "C:\Program Files\ChimeraX\bin\lib\site-
    9133 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9134 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9135 File "C:\Program Files\ChimeraX\bin\lib\site-
    9136 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9137 mouse_pause_tracking 
    9138 self._mouse_pause() 
    9139 File "C:\Program Files\ChimeraX\bin\lib\site-
    9140 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9141 m.pause(self._mouse_pause_position) 
    9142 File "C:\Program Files\ChimeraX\bin\lib\site-
    9143 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9144 p = self.view.picked_object(x, y) 
    9145 File "C:\Program Files\ChimeraX\bin\lib\site-
    9146 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9147 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9148 beyond, 
    9149 File "C:\Program Files\ChimeraX\bin\lib\site-
    9150 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9151 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9152 File "C:\Program Files\ChimeraX\bin\lib\site-
    9153 packages\chimerax\core\models.py", line 126, in first_intercept 
    9154 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9155 File "C:\Program Files\ChimeraX\bin\lib\site-
    9156 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9157 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9158 exclude=exclude) 
    9159 File "C:\Program Files\ChimeraX\bin\lib\site-
    9160 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9161 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9162 File "C:\Program Files\ChimeraX\bin\lib\site-
    9163 packages\chimerax\core\models.py", line 126, in first_intercept 
    9164 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9165 File "C:\Program Files\ChimeraX\bin\lib\site-
    9166 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9167 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9168 exclude=exclude) 
    9169 File "C:\Program Files\ChimeraX\bin\lib\site-
    9170 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9171 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9172 File "C:\Program Files\ChimeraX\bin\lib\site-
    9173 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9174 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9175 File "C:\Program Files\ChimeraX\bin\lib\site-
    9176 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9177 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9178 File "C:\Program Files\ChimeraX\bin\lib\site-
    9179 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9180 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9181 File "C:\Program Files\ChimeraX\bin\lib\site-
    9182 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9183 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9184 File "C:\Program Files\ChimeraX\bin\lib\site-
    9185 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9186 cget(self._c_pointers, n, pointer(values)) 
    9187 OSError: exception: access violation reading 0x0000000000041468 
    9188  
    9189 OSError: exception: access violation reading 0x0000000000041468 
    9190  
    9191 File "C:\Program Files\ChimeraX\bin\lib\site-
    9192 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9193 cget(self._c_pointers, n, pointer(values)) 
    9194  
    9195 See log for complete Python traceback. 
    9196  
    9197 Traceback (most recent call last): 
    9198 File "C:\Program Files\ChimeraX\bin\lib\site-
    9199 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9200 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9201 File "C:\Program Files\ChimeraX\bin\lib\site-
    9202 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9203 mouse_pause_tracking 
    9204 self._mouse_pause() 
    9205 File "C:\Program Files\ChimeraX\bin\lib\site-
    9206 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9207 m.pause(self._mouse_pause_position) 
    9208 File "C:\Program Files\ChimeraX\bin\lib\site-
    9209 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9210 p = self.view.picked_object(x, y) 
    9211 File "C:\Program Files\ChimeraX\bin\lib\site-
    9212 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9213 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9214 beyond, 
    9215 File "C:\Program Files\ChimeraX\bin\lib\site-
    9216 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9217 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9218 File "C:\Program Files\ChimeraX\bin\lib\site-
    9219 packages\chimerax\core\models.py", line 126, in first_intercept 
    9220 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9221 File "C:\Program Files\ChimeraX\bin\lib\site-
    9222 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9223 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9224 exclude=exclude) 
    9225 File "C:\Program Files\ChimeraX\bin\lib\site-
    9226 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9227 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9228 File "C:\Program Files\ChimeraX\bin\lib\site-
    9229 packages\chimerax\core\models.py", line 126, in first_intercept 
    9230 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9231 File "C:\Program Files\ChimeraX\bin\lib\site-
    9232 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9233 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9234 exclude=exclude) 
    9235 File "C:\Program Files\ChimeraX\bin\lib\site-
    9236 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9237 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9238 File "C:\Program Files\ChimeraX\bin\lib\site-
    9239 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9240 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9241 File "C:\Program Files\ChimeraX\bin\lib\site-
    9242 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9243 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9244 File "C:\Program Files\ChimeraX\bin\lib\site-
    9245 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9246 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9247 File "C:\Program Files\ChimeraX\bin\lib\site-
    9248 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9249 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9250 File "C:\Program Files\ChimeraX\bin\lib\site-
    9251 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9252 cget(self._c_pointers, n, pointer(values)) 
    9253 OSError: exception: access violation reading 0x0000000000041468 
    9254  
    9255 OSError: exception: access violation reading 0x0000000000041468 
    9256  
    9257 File "C:\Program Files\ChimeraX\bin\lib\site-
    9258 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9259 cget(self._c_pointers, n, pointer(values)) 
    9260  
    9261 See log for complete Python traceback. 
    9262  
    9263 Traceback (most recent call last): 
    9264 File "C:\Program Files\ChimeraX\bin\lib\site-
    9265 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9266 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9267 File "C:\Program Files\ChimeraX\bin\lib\site-
    9268 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9269 mouse_pause_tracking 
    9270 self._mouse_pause() 
    9271 File "C:\Program Files\ChimeraX\bin\lib\site-
    9272 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9273 m.pause(self._mouse_pause_position) 
    9274 File "C:\Program Files\ChimeraX\bin\lib\site-
    9275 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9276 p = self.view.picked_object(x, y) 
    9277 File "C:\Program Files\ChimeraX\bin\lib\site-
    9278 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9279 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9280 beyond, 
    9281 File "C:\Program Files\ChimeraX\bin\lib\site-
    9282 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9283 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9284 File "C:\Program Files\ChimeraX\bin\lib\site-
    9285 packages\chimerax\core\models.py", line 126, in first_intercept 
    9286 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9287 File "C:\Program Files\ChimeraX\bin\lib\site-
    9288 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9289 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9290 exclude=exclude) 
    9291 File "C:\Program Files\ChimeraX\bin\lib\site-
    9292 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9293 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9294 File "C:\Program Files\ChimeraX\bin\lib\site-
    9295 packages\chimerax\core\models.py", line 126, in first_intercept 
    9296 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9297 File "C:\Program Files\ChimeraX\bin\lib\site-
    9298 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9299 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9300 exclude=exclude) 
    9301 File "C:\Program Files\ChimeraX\bin\lib\site-
    9302 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9303 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9304 File "C:\Program Files\ChimeraX\bin\lib\site-
    9305 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9306 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9307 File "C:\Program Files\ChimeraX\bin\lib\site-
    9308 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9309 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9310 File "C:\Program Files\ChimeraX\bin\lib\site-
    9311 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9312 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9313 File "C:\Program Files\ChimeraX\bin\lib\site-
    9314 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9315 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9316 File "C:\Program Files\ChimeraX\bin\lib\site-
    9317 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9318 cget(self._c_pointers, n, pointer(values)) 
    9319 OSError: exception: access violation reading 0x0000000000041468 
    9320  
    9321 OSError: exception: access violation reading 0x0000000000041468 
    9322  
    9323 File "C:\Program Files\ChimeraX\bin\lib\site-
    9324 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9325 cget(self._c_pointers, n, pointer(values)) 
    9326  
    9327 See log for complete Python traceback. 
    9328  
    9329 Traceback (most recent call last): 
    9330 File "C:\Program Files\ChimeraX\bin\lib\site-
    9331 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9332 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9333 File "C:\Program Files\ChimeraX\bin\lib\site-
    9334 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9335 mouse_pause_tracking 
    9336 self._mouse_pause() 
    9337 File "C:\Program Files\ChimeraX\bin\lib\site-
    9338 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9339 m.pause(self._mouse_pause_position) 
    9340 File "C:\Program Files\ChimeraX\bin\lib\site-
    9341 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9342 p = self.view.picked_object(x, y) 
    9343 File "C:\Program Files\ChimeraX\bin\lib\site-
    9344 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9345 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9346 beyond, 
    9347 File "C:\Program Files\ChimeraX\bin\lib\site-
    9348 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9349 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9350 File "C:\Program Files\ChimeraX\bin\lib\site-
    9351 packages\chimerax\core\models.py", line 126, in first_intercept 
    9352 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9353 File "C:\Program Files\ChimeraX\bin\lib\site-
    9354 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9355 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9356 exclude=exclude) 
    9357 File "C:\Program Files\ChimeraX\bin\lib\site-
    9358 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9359 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9360 File "C:\Program Files\ChimeraX\bin\lib\site-
    9361 packages\chimerax\core\models.py", line 126, in first_intercept 
    9362 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9363 File "C:\Program Files\ChimeraX\bin\lib\site-
    9364 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9365 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9366 exclude=exclude) 
    9367 File "C:\Program Files\ChimeraX\bin\lib\site-
    9368 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9369 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9370 File "C:\Program Files\ChimeraX\bin\lib\site-
    9371 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9372 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9373 File "C:\Program Files\ChimeraX\bin\lib\site-
    9374 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9375 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9376 File "C:\Program Files\ChimeraX\bin\lib\site-
    9377 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9378 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9379 File "C:\Program Files\ChimeraX\bin\lib\site-
    9380 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9381 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9382 File "C:\Program Files\ChimeraX\bin\lib\site-
    9383 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9384 cget(self._c_pointers, n, pointer(values)) 
    9385 OSError: exception: access violation reading 0x0000000000041468 
    9386  
    9387 OSError: exception: access violation reading 0x0000000000041468 
    9388  
    9389 File "C:\Program Files\ChimeraX\bin\lib\site-
    9390 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9391 cget(self._c_pointers, n, pointer(values)) 
    9392  
    9393 See log for complete Python traceback. 
    9394  
    9395 Traceback (most recent call last): 
    9396 File "C:\Program Files\ChimeraX\bin\lib\site-
    9397 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9398 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9399 File "C:\Program Files\ChimeraX\bin\lib\site-
    9400 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9401 mouse_pause_tracking 
    9402 self._mouse_pause() 
    9403 File "C:\Program Files\ChimeraX\bin\lib\site-
    9404 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9405 m.pause(self._mouse_pause_position) 
    9406 File "C:\Program Files\ChimeraX\bin\lib\site-
    9407 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9408 p = self.view.picked_object(x, y) 
    9409 File "C:\Program Files\ChimeraX\bin\lib\site-
    9410 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9411 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9412 beyond, 
    9413 File "C:\Program Files\ChimeraX\bin\lib\site-
    9414 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9415 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9416 File "C:\Program Files\ChimeraX\bin\lib\site-
    9417 packages\chimerax\core\models.py", line 126, in first_intercept 
    9418 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9419 File "C:\Program Files\ChimeraX\bin\lib\site-
    9420 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9421 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9422 exclude=exclude) 
    9423 File "C:\Program Files\ChimeraX\bin\lib\site-
    9424 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9425 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9426 File "C:\Program Files\ChimeraX\bin\lib\site-
    9427 packages\chimerax\core\models.py", line 126, in first_intercept 
    9428 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9429 File "C:\Program Files\ChimeraX\bin\lib\site-
    9430 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9431 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9432 exclude=exclude) 
    9433 File "C:\Program Files\ChimeraX\bin\lib\site-
    9434 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9435 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9436 File "C:\Program Files\ChimeraX\bin\lib\site-
    9437 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9438 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9439 File "C:\Program Files\ChimeraX\bin\lib\site-
    9440 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9441 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9442 File "C:\Program Files\ChimeraX\bin\lib\site-
    9443 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9444 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9445 File "C:\Program Files\ChimeraX\bin\lib\site-
    9446 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9447 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9448 File "C:\Program Files\ChimeraX\bin\lib\site-
    9449 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9450 cget(self._c_pointers, n, pointer(values)) 
    9451 OSError: exception: access violation reading 0x0000000000041468 
    9452  
    9453 OSError: exception: access violation reading 0x0000000000041468 
    9454  
    9455 File "C:\Program Files\ChimeraX\bin\lib\site-
    9456 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9457 cget(self._c_pointers, n, pointer(values)) 
    9458  
    9459 See log for complete Python traceback. 
    9460  
    9461 Traceback (most recent call last): 
    9462 File "C:\Program Files\ChimeraX\bin\lib\site-
    9463 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9464 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9465 File "C:\Program Files\ChimeraX\bin\lib\site-
    9466 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9467 mouse_pause_tracking 
    9468 self._mouse_pause() 
    9469 File "C:\Program Files\ChimeraX\bin\lib\site-
    9470 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9471 m.pause(self._mouse_pause_position) 
    9472 File "C:\Program Files\ChimeraX\bin\lib\site-
    9473 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9474 p = self.view.picked_object(x, y) 
    9475 File "C:\Program Files\ChimeraX\bin\lib\site-
    9476 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9477 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9478 beyond, 
    9479 File "C:\Program Files\ChimeraX\bin\lib\site-
    9480 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9481 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9482 File "C:\Program Files\ChimeraX\bin\lib\site-
    9483 packages\chimerax\core\models.py", line 126, in first_intercept 
    9484 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9485 File "C:\Program Files\ChimeraX\bin\lib\site-
    9486 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9487 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9488 exclude=exclude) 
    9489 File "C:\Program Files\ChimeraX\bin\lib\site-
    9490 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9491 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9492 File "C:\Program Files\ChimeraX\bin\lib\site-
    9493 packages\chimerax\core\models.py", line 126, in first_intercept 
    9494 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9495 File "C:\Program Files\ChimeraX\bin\lib\site-
    9496 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9497 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9498 exclude=exclude) 
    9499 File "C:\Program Files\ChimeraX\bin\lib\site-
    9500 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9501 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9502 File "C:\Program Files\ChimeraX\bin\lib\site-
    9503 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9504 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9505 File "C:\Program Files\ChimeraX\bin\lib\site-
    9506 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9507 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9508 File "C:\Program Files\ChimeraX\bin\lib\site-
    9509 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9510 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9511 File "C:\Program Files\ChimeraX\bin\lib\site-
    9512 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9513 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9514 File "C:\Program Files\ChimeraX\bin\lib\site-
    9515 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9516 cget(self._c_pointers, n, pointer(values)) 
    9517 OSError: exception: access violation reading 0x0000000000041468 
    9518  
    9519 OSError: exception: access violation reading 0x0000000000041468 
    9520  
    9521 File "C:\Program Files\ChimeraX\bin\lib\site-
    9522 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9523 cget(self._c_pointers, n, pointer(values)) 
    9524  
    9525 See log for complete Python traceback. 
    9526  
    9527 Traceback (most recent call last): 
    9528 File "C:\Program Files\ChimeraX\bin\lib\site-
    9529 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9530 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9531 File "C:\Program Files\ChimeraX\bin\lib\site-
    9532 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9533 mouse_pause_tracking 
    9534 self._mouse_pause() 
    9535 File "C:\Program Files\ChimeraX\bin\lib\site-
    9536 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9537 m.pause(self._mouse_pause_position) 
    9538 File "C:\Program Files\ChimeraX\bin\lib\site-
    9539 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9540 p = self.view.picked_object(x, y) 
    9541 File "C:\Program Files\ChimeraX\bin\lib\site-
    9542 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9543 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9544 beyond, 
    9545 File "C:\Program Files\ChimeraX\bin\lib\site-
    9546 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9547 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9548 File "C:\Program Files\ChimeraX\bin\lib\site-
    9549 packages\chimerax\core\models.py", line 126, in first_intercept 
    9550 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9551 File "C:\Program Files\ChimeraX\bin\lib\site-
    9552 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9553 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9554 exclude=exclude) 
    9555 File "C:\Program Files\ChimeraX\bin\lib\site-
    9556 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9557 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9558 File "C:\Program Files\ChimeraX\bin\lib\site-
    9559 packages\chimerax\core\models.py", line 126, in first_intercept 
    9560 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9561 File "C:\Program Files\ChimeraX\bin\lib\site-
    9562 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9563 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9564 exclude=exclude) 
    9565 File "C:\Program Files\ChimeraX\bin\lib\site-
    9566 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9567 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9568 File "C:\Program Files\ChimeraX\bin\lib\site-
    9569 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9570 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9571 File "C:\Program Files\ChimeraX\bin\lib\site-
    9572 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9573 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9574 File "C:\Program Files\ChimeraX\bin\lib\site-
    9575 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9576 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9577 File "C:\Program Files\ChimeraX\bin\lib\site-
    9578 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9579 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9580 File "C:\Program Files\ChimeraX\bin\lib\site-
    9581 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9582 cget(self._c_pointers, n, pointer(values)) 
    9583 OSError: exception: access violation reading 0x0000000000041468 
    9584  
    9585 OSError: exception: access violation reading 0x0000000000041468 
    9586  
    9587 File "C:\Program Files\ChimeraX\bin\lib\site-
    9588 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9589 cget(self._c_pointers, n, pointer(values)) 
    9590  
    9591 See log for complete Python traceback. 
    9592  
    9593 Traceback (most recent call last): 
    9594 File "C:\Program Files\ChimeraX\bin\lib\site-
    9595 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9596 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9597 File "C:\Program Files\ChimeraX\bin\lib\site-
    9598 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9599 mouse_pause_tracking 
    9600 self._mouse_pause() 
    9601 File "C:\Program Files\ChimeraX\bin\lib\site-
    9602 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9603 m.pause(self._mouse_pause_position) 
    9604 File "C:\Program Files\ChimeraX\bin\lib\site-
    9605 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9606 p = self.view.picked_object(x, y) 
    9607 File "C:\Program Files\ChimeraX\bin\lib\site-
    9608 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9609 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9610 beyond, 
    9611 File "C:\Program Files\ChimeraX\bin\lib\site-
    9612 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9613 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9614 File "C:\Program Files\ChimeraX\bin\lib\site-
    9615 packages\chimerax\core\models.py", line 126, in first_intercept 
    9616 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9617 File "C:\Program Files\ChimeraX\bin\lib\site-
    9618 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9619 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9620 exclude=exclude) 
    9621 File "C:\Program Files\ChimeraX\bin\lib\site-
    9622 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9623 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9624 File "C:\Program Files\ChimeraX\bin\lib\site-
    9625 packages\chimerax\core\models.py", line 126, in first_intercept 
    9626 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9627 File "C:\Program Files\ChimeraX\bin\lib\site-
    9628 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9629 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9630 exclude=exclude) 
    9631 File "C:\Program Files\ChimeraX\bin\lib\site-
    9632 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9633 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9634 File "C:\Program Files\ChimeraX\bin\lib\site-
    9635 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9636 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9637 File "C:\Program Files\ChimeraX\bin\lib\site-
    9638 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9639 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9640 File "C:\Program Files\ChimeraX\bin\lib\site-
    9641 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9642 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9643 File "C:\Program Files\ChimeraX\bin\lib\site-
    9644 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9645 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9646 File "C:\Program Files\ChimeraX\bin\lib\site-
    9647 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9648 cget(self._c_pointers, n, pointer(values)) 
    9649 OSError: exception: access violation reading 0x0000000000041468 
    9650  
    9651 OSError: exception: access violation reading 0x0000000000041468 
    9652  
    9653 File "C:\Program Files\ChimeraX\bin\lib\site-
    9654 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9655 cget(self._c_pointers, n, pointer(values)) 
    9656  
    9657 See log for complete Python traceback. 
    9658  
    9659 Traceback (most recent call last): 
    9660 File "C:\Program Files\ChimeraX\bin\lib\site-
    9661 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9662 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9663 File "C:\Program Files\ChimeraX\bin\lib\site-
    9664 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9665 mouse_pause_tracking 
    9666 self._mouse_pause() 
    9667 File "C:\Program Files\ChimeraX\bin\lib\site-
    9668 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9669 m.pause(self._mouse_pause_position) 
    9670 File "C:\Program Files\ChimeraX\bin\lib\site-
    9671 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9672 p = self.view.picked_object(x, y) 
    9673 File "C:\Program Files\ChimeraX\bin\lib\site-
    9674 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9675 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9676 beyond, 
    9677 File "C:\Program Files\ChimeraX\bin\lib\site-
    9678 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9679 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9680 File "C:\Program Files\ChimeraX\bin\lib\site-
    9681 packages\chimerax\core\models.py", line 126, in first_intercept 
    9682 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9683 File "C:\Program Files\ChimeraX\bin\lib\site-
    9684 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9685 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9686 exclude=exclude) 
    9687 File "C:\Program Files\ChimeraX\bin\lib\site-
    9688 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9689 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9690 File "C:\Program Files\ChimeraX\bin\lib\site-
    9691 packages\chimerax\core\models.py", line 126, in first_intercept 
    9692 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9693 File "C:\Program Files\ChimeraX\bin\lib\site-
    9694 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9695 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9696 exclude=exclude) 
    9697 File "C:\Program Files\ChimeraX\bin\lib\site-
    9698 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9699 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9700 File "C:\Program Files\ChimeraX\bin\lib\site-
    9701 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9702 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9703 File "C:\Program Files\ChimeraX\bin\lib\site-
    9704 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9705 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9706 File "C:\Program Files\ChimeraX\bin\lib\site-
    9707 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9708 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9709 File "C:\Program Files\ChimeraX\bin\lib\site-
    9710 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9711 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9712 File "C:\Program Files\ChimeraX\bin\lib\site-
    9713 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9714 cget(self._c_pointers, n, pointer(values)) 
    9715 OSError: exception: access violation reading 0x0000000000041468 
    9716  
    9717 OSError: exception: access violation reading 0x0000000000041468 
    9718  
    9719 File "C:\Program Files\ChimeraX\bin\lib\site-
    9720 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9721 cget(self._c_pointers, n, pointer(values)) 
    9722  
    9723 See log for complete Python traceback. 
    9724  
    9725 Traceback (most recent call last): 
    9726 File "C:\Program Files\ChimeraX\bin\lib\site-
    9727 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9728 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9729 File "C:\Program Files\ChimeraX\bin\lib\site-
    9730 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9731 mouse_pause_tracking 
    9732 self._mouse_pause() 
    9733 File "C:\Program Files\ChimeraX\bin\lib\site-
    9734 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9735 m.pause(self._mouse_pause_position) 
    9736 File "C:\Program Files\ChimeraX\bin\lib\site-
    9737 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9738 p = self.view.picked_object(x, y) 
    9739 File "C:\Program Files\ChimeraX\bin\lib\site-
    9740 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9741 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9742 beyond, 
    9743 File "C:\Program Files\ChimeraX\bin\lib\site-
    9744 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9745 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9746 File "C:\Program Files\ChimeraX\bin\lib\site-
    9747 packages\chimerax\core\models.py", line 126, in first_intercept 
    9748 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9749 File "C:\Program Files\ChimeraX\bin\lib\site-
    9750 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9751 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9752 exclude=exclude) 
    9753 File "C:\Program Files\ChimeraX\bin\lib\site-
    9754 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9755 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9756 File "C:\Program Files\ChimeraX\bin\lib\site-
    9757 packages\chimerax\core\models.py", line 126, in first_intercept 
    9758 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9759 File "C:\Program Files\ChimeraX\bin\lib\site-
    9760 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9761 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9762 exclude=exclude) 
    9763 File "C:\Program Files\ChimeraX\bin\lib\site-
    9764 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9765 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9766 File "C:\Program Files\ChimeraX\bin\lib\site-
    9767 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9768 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9769 File "C:\Program Files\ChimeraX\bin\lib\site-
    9770 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9771 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9772 File "C:\Program Files\ChimeraX\bin\lib\site-
    9773 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9774 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9775 File "C:\Program Files\ChimeraX\bin\lib\site-
    9776 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9777 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9778 File "C:\Program Files\ChimeraX\bin\lib\site-
    9779 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9780 cget(self._c_pointers, n, pointer(values)) 
    9781 OSError: exception: access violation reading 0x0000000000041468 
    9782  
    9783 OSError: exception: access violation reading 0x0000000000041468 
    9784  
    9785 File "C:\Program Files\ChimeraX\bin\lib\site-
    9786 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9787 cget(self._c_pointers, n, pointer(values)) 
    9788  
    9789 See log for complete Python traceback. 
    9790  
    9791 Traceback (most recent call last): 
    9792 File "C:\Program Files\ChimeraX\bin\lib\site-
    9793 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9794 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9795 File "C:\Program Files\ChimeraX\bin\lib\site-
    9796 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9797 mouse_pause_tracking 
    9798 self._mouse_pause() 
    9799 File "C:\Program Files\ChimeraX\bin\lib\site-
    9800 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9801 m.pause(self._mouse_pause_position) 
    9802 File "C:\Program Files\ChimeraX\bin\lib\site-
    9803 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9804 p = self.view.picked_object(x, y) 
    9805 File "C:\Program Files\ChimeraX\bin\lib\site-
    9806 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9807 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9808 beyond, 
    9809 File "C:\Program Files\ChimeraX\bin\lib\site-
    9810 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9811 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9812 File "C:\Program Files\ChimeraX\bin\lib\site-
    9813 packages\chimerax\core\models.py", line 126, in first_intercept 
    9814 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9815 File "C:\Program Files\ChimeraX\bin\lib\site-
    9816 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9817 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9818 exclude=exclude) 
    9819 File "C:\Program Files\ChimeraX\bin\lib\site-
    9820 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9821 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9822 File "C:\Program Files\ChimeraX\bin\lib\site-
    9823 packages\chimerax\core\models.py", line 126, in first_intercept 
    9824 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9825 File "C:\Program Files\ChimeraX\bin\lib\site-
    9826 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9827 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9828 exclude=exclude) 
    9829 File "C:\Program Files\ChimeraX\bin\lib\site-
    9830 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9831 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9832 File "C:\Program Files\ChimeraX\bin\lib\site-
    9833 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9834 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9835 File "C:\Program Files\ChimeraX\bin\lib\site-
    9836 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9837 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9838 File "C:\Program Files\ChimeraX\bin\lib\site-
    9839 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9840 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9841 File "C:\Program Files\ChimeraX\bin\lib\site-
    9842 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9843 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9844 File "C:\Program Files\ChimeraX\bin\lib\site-
    9845 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9846 cget(self._c_pointers, n, pointer(values)) 
    9847 OSError: exception: access violation reading 0x0000000000041468 
    9848  
    9849 OSError: exception: access violation reading 0x0000000000041468 
    9850  
    9851 File "C:\Program Files\ChimeraX\bin\lib\site-
    9852 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9853 cget(self._c_pointers, n, pointer(values)) 
    9854  
    9855 See log for complete Python traceback. 
    9856  
    9857 Traceback (most recent call last): 
    9858 File "C:\Program Files\ChimeraX\bin\lib\site-
    9859 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9860 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9861 File "C:\Program Files\ChimeraX\bin\lib\site-
    9862 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9863 mouse_pause_tracking 
    9864 self._mouse_pause() 
    9865 File "C:\Program Files\ChimeraX\bin\lib\site-
    9866 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9867 m.pause(self._mouse_pause_position) 
    9868 File "C:\Program Files\ChimeraX\bin\lib\site-
    9869 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9870 p = self.view.picked_object(x, y) 
    9871 File "C:\Program Files\ChimeraX\bin\lib\site-
    9872 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9873 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9874 beyond, 
    9875 File "C:\Program Files\ChimeraX\bin\lib\site-
    9876 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9877 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9878 File "C:\Program Files\ChimeraX\bin\lib\site-
    9879 packages\chimerax\core\models.py", line 126, in first_intercept 
    9880 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9881 File "C:\Program Files\ChimeraX\bin\lib\site-
    9882 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9883 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9884 exclude=exclude) 
    9885 File "C:\Program Files\ChimeraX\bin\lib\site-
    9886 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9887 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9888 File "C:\Program Files\ChimeraX\bin\lib\site-
    9889 packages\chimerax\core\models.py", line 126, in first_intercept 
    9890 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9891 File "C:\Program Files\ChimeraX\bin\lib\site-
    9892 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9893 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9894 exclude=exclude) 
    9895 File "C:\Program Files\ChimeraX\bin\lib\site-
    9896 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9897 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9898 File "C:\Program Files\ChimeraX\bin\lib\site-
    9899 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9900 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9901 File "C:\Program Files\ChimeraX\bin\lib\site-
    9902 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9903 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9904 File "C:\Program Files\ChimeraX\bin\lib\site-
    9905 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9906 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9907 File "C:\Program Files\ChimeraX\bin\lib\site-
    9908 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9909 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9910 File "C:\Program Files\ChimeraX\bin\lib\site-
    9911 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9912 cget(self._c_pointers, n, pointer(values)) 
    9913 OSError: exception: access violation reading 0x0000000000041468 
    9914  
    9915 OSError: exception: access violation reading 0x0000000000041468 
    9916  
    9917 File "C:\Program Files\ChimeraX\bin\lib\site-
    9918 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9919 cget(self._c_pointers, n, pointer(values)) 
    9920  
    9921 See log for complete Python traceback. 
    9922  
    9923 Traceback (most recent call last): 
    9924 File "C:\Program Files\ChimeraX\bin\lib\site-
    9925 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9926 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9927 File "C:\Program Files\ChimeraX\bin\lib\site-
    9928 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9929 mouse_pause_tracking 
    9930 self._mouse_pause() 
    9931 File "C:\Program Files\ChimeraX\bin\lib\site-
    9932 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9933 m.pause(self._mouse_pause_position) 
    9934 File "C:\Program Files\ChimeraX\bin\lib\site-
    9935 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    9936 p = self.view.picked_object(x, y) 
    9937 File "C:\Program Files\ChimeraX\bin\lib\site-
    9938 packages\chimerax\graphics\view.py", line 817, in picked_object 
    9939 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    9940 beyond, 
    9941 File "C:\Program Files\ChimeraX\bin\lib\site-
    9942 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    9943 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    9944 File "C:\Program Files\ChimeraX\bin\lib\site-
    9945 packages\chimerax\core\models.py", line 126, in first_intercept 
    9946 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9947 File "C:\Program Files\ChimeraX\bin\lib\site-
    9948 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9949 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9950 exclude=exclude) 
    9951 File "C:\Program Files\ChimeraX\bin\lib\site-
    9952 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9953 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9954 File "C:\Program Files\ChimeraX\bin\lib\site-
    9955 packages\chimerax\core\models.py", line 126, in first_intercept 
    9956 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    9957 File "C:\Program Files\ChimeraX\bin\lib\site-
    9958 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    9959 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    9960 exclude=exclude) 
    9961 File "C:\Program Files\ChimeraX\bin\lib\site-
    9962 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    9963 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    9964 File "C:\Program Files\ChimeraX\bin\lib\site-
    9965 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    9966 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    9967 File "C:\Program Files\ChimeraX\bin\lib\site-
    9968 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    9969 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    9970 File "C:\Program Files\ChimeraX\bin\lib\site-
    9971 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    9972 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    9973 File "C:\Program Files\ChimeraX\bin\lib\site-
    9974 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    9975 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    9976 File "C:\Program Files\ChimeraX\bin\lib\site-
    9977 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9978 cget(self._c_pointers, n, pointer(values)) 
    9979 OSError: exception: access violation reading 0x0000000000041468 
    9980  
    9981 OSError: exception: access violation reading 0x0000000000041468 
    9982  
    9983 File "C:\Program Files\ChimeraX\bin\lib\site-
    9984 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    9985 cget(self._c_pointers, n, pointer(values)) 
    9986  
    9987 See log for complete Python traceback. 
    9988  
    9989 Traceback (most recent call last): 
    9990 File "C:\Program Files\ChimeraX\bin\lib\site-
    9991 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    9992 self.session.ui.mouse_modes.mouse_pause_tracking() 
    9993 File "C:\Program Files\ChimeraX\bin\lib\site-
    9994 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    9995 mouse_pause_tracking 
    9996 self._mouse_pause() 
    9997 File "C:\Program Files\ChimeraX\bin\lib\site-
    9998 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    9999 m.pause(self._mouse_pause_position) 
    10000 File "C:\Program Files\ChimeraX\bin\lib\site-
    10001 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10002 p = self.view.picked_object(x, y) 
    10003 File "C:\Program Files\ChimeraX\bin\lib\site-
    10004 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10005 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10006 beyond, 
    10007 File "C:\Program Files\ChimeraX\bin\lib\site-
    10008 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10009 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10010 File "C:\Program Files\ChimeraX\bin\lib\site-
    10011 packages\chimerax\core\models.py", line 126, in first_intercept 
    10012 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10013 File "C:\Program Files\ChimeraX\bin\lib\site-
    10014 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10015 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10016 exclude=exclude) 
    10017 File "C:\Program Files\ChimeraX\bin\lib\site-
    10018 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10019 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10020 File "C:\Program Files\ChimeraX\bin\lib\site-
    10021 packages\chimerax\core\models.py", line 126, in first_intercept 
    10022 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10023 File "C:\Program Files\ChimeraX\bin\lib\site-
    10024 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10025 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10026 exclude=exclude) 
    10027 File "C:\Program Files\ChimeraX\bin\lib\site-
    10028 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10029 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10030 File "C:\Program Files\ChimeraX\bin\lib\site-
    10031 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10032 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10033 File "C:\Program Files\ChimeraX\bin\lib\site-
    10034 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10035 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10036 File "C:\Program Files\ChimeraX\bin\lib\site-
    10037 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10038 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10039 File "C:\Program Files\ChimeraX\bin\lib\site-
    10040 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10041 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10042 File "C:\Program Files\ChimeraX\bin\lib\site-
    10043 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10044 cget(self._c_pointers, n, pointer(values)) 
    10045 OSError: exception: access violation reading 0x0000000000041468 
    10046  
    10047 OSError: exception: access violation reading 0x0000000000041468 
    10048  
    10049 File "C:\Program Files\ChimeraX\bin\lib\site-
    10050 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10051 cget(self._c_pointers, n, pointer(values)) 
    10052  
    10053 See log for complete Python traceback. 
    10054  
    10055 Traceback (most recent call last): 
    10056 File "C:\Program Files\ChimeraX\bin\lib\site-
    10057 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10058 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10059 File "C:\Program Files\ChimeraX\bin\lib\site-
    10060 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10061 mouse_pause_tracking 
    10062 self._mouse_pause() 
    10063 File "C:\Program Files\ChimeraX\bin\lib\site-
    10064 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10065 m.pause(self._mouse_pause_position) 
    10066 File "C:\Program Files\ChimeraX\bin\lib\site-
    10067 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10068 p = self.view.picked_object(x, y) 
    10069 File "C:\Program Files\ChimeraX\bin\lib\site-
    10070 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10071 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10072 beyond, 
    10073 File "C:\Program Files\ChimeraX\bin\lib\site-
    10074 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10075 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10076 File "C:\Program Files\ChimeraX\bin\lib\site-
    10077 packages\chimerax\core\models.py", line 126, in first_intercept 
    10078 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10079 File "C:\Program Files\ChimeraX\bin\lib\site-
    10080 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10081 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10082 exclude=exclude) 
    10083 File "C:\Program Files\ChimeraX\bin\lib\site-
    10084 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10085 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10086 File "C:\Program Files\ChimeraX\bin\lib\site-
    10087 packages\chimerax\core\models.py", line 126, in first_intercept 
    10088 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10089 File "C:\Program Files\ChimeraX\bin\lib\site-
    10090 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10091 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10092 exclude=exclude) 
    10093 File "C:\Program Files\ChimeraX\bin\lib\site-
    10094 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10095 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10096 File "C:\Program Files\ChimeraX\bin\lib\site-
    10097 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10098 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10099 File "C:\Program Files\ChimeraX\bin\lib\site-
    10100 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10101 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10102 File "C:\Program Files\ChimeraX\bin\lib\site-
    10103 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10104 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10105 File "C:\Program Files\ChimeraX\bin\lib\site-
    10106 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10107 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10108 File "C:\Program Files\ChimeraX\bin\lib\site-
    10109 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10110 cget(self._c_pointers, n, pointer(values)) 
    10111 OSError: exception: access violation reading 0x0000000000041468 
    10112  
    10113 OSError: exception: access violation reading 0x0000000000041468 
    10114  
    10115 File "C:\Program Files\ChimeraX\bin\lib\site-
    10116 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10117 cget(self._c_pointers, n, pointer(values)) 
    10118  
    10119 See log for complete Python traceback. 
    10120  
    10121 Traceback (most recent call last): 
    10122 File "C:\Program Files\ChimeraX\bin\lib\site-
    10123 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10124 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10125 File "C:\Program Files\ChimeraX\bin\lib\site-
    10126 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10127 mouse_pause_tracking 
    10128 self._mouse_pause() 
    10129 File "C:\Program Files\ChimeraX\bin\lib\site-
    10130 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10131 m.pause(self._mouse_pause_position) 
    10132 File "C:\Program Files\ChimeraX\bin\lib\site-
    10133 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10134 p = self.view.picked_object(x, y) 
    10135 File "C:\Program Files\ChimeraX\bin\lib\site-
    10136 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10137 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10138 beyond, 
    10139 File "C:\Program Files\ChimeraX\bin\lib\site-
    10140 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10141 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10142 File "C:\Program Files\ChimeraX\bin\lib\site-
    10143 packages\chimerax\core\models.py", line 126, in first_intercept 
    10144 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10145 File "C:\Program Files\ChimeraX\bin\lib\site-
    10146 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10147 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10148 exclude=exclude) 
    10149 File "C:\Program Files\ChimeraX\bin\lib\site-
    10150 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10151 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10152 File "C:\Program Files\ChimeraX\bin\lib\site-
    10153 packages\chimerax\core\models.py", line 126, in first_intercept 
    10154 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10155 File "C:\Program Files\ChimeraX\bin\lib\site-
    10156 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10157 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10158 exclude=exclude) 
    10159 File "C:\Program Files\ChimeraX\bin\lib\site-
    10160 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10161 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10162 File "C:\Program Files\ChimeraX\bin\lib\site-
    10163 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10164 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10165 File "C:\Program Files\ChimeraX\bin\lib\site-
    10166 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10167 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10168 File "C:\Program Files\ChimeraX\bin\lib\site-
    10169 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10170 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10171 File "C:\Program Files\ChimeraX\bin\lib\site-
    10172 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10173 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10174 File "C:\Program Files\ChimeraX\bin\lib\site-
    10175 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10176 cget(self._c_pointers, n, pointer(values)) 
    10177 OSError: exception: access violation reading 0x0000000000041468 
    10178  
    10179 OSError: exception: access violation reading 0x0000000000041468 
    10180  
    10181 File "C:\Program Files\ChimeraX\bin\lib\site-
    10182 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10183 cget(self._c_pointers, n, pointer(values)) 
    10184  
    10185 See log for complete Python traceback. 
    10186  
    10187 Traceback (most recent call last): 
    10188 File "C:\Program Files\ChimeraX\bin\lib\site-
    10189 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10190 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10191 File "C:\Program Files\ChimeraX\bin\lib\site-
    10192 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10193 mouse_pause_tracking 
    10194 self._mouse_pause() 
    10195 File "C:\Program Files\ChimeraX\bin\lib\site-
    10196 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10197 m.pause(self._mouse_pause_position) 
    10198 File "C:\Program Files\ChimeraX\bin\lib\site-
    10199 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10200 p = self.view.picked_object(x, y) 
    10201 File "C:\Program Files\ChimeraX\bin\lib\site-
    10202 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10203 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10204 beyond, 
    10205 File "C:\Program Files\ChimeraX\bin\lib\site-
    10206 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10207 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10208 File "C:\Program Files\ChimeraX\bin\lib\site-
    10209 packages\chimerax\core\models.py", line 126, in first_intercept 
    10210 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10211 File "C:\Program Files\ChimeraX\bin\lib\site-
    10212 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10213 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10214 exclude=exclude) 
    10215 File "C:\Program Files\ChimeraX\bin\lib\site-
    10216 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10217 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10218 File "C:\Program Files\ChimeraX\bin\lib\site-
    10219 packages\chimerax\core\models.py", line 126, in first_intercept 
    10220 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10221 File "C:\Program Files\ChimeraX\bin\lib\site-
    10222 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10223 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10224 exclude=exclude) 
    10225 File "C:\Program Files\ChimeraX\bin\lib\site-
    10226 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10227 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10228 File "C:\Program Files\ChimeraX\bin\lib\site-
    10229 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10230 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10231 File "C:\Program Files\ChimeraX\bin\lib\site-
    10232 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10233 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10234 File "C:\Program Files\ChimeraX\bin\lib\site-
    10235 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10236 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10237 File "C:\Program Files\ChimeraX\bin\lib\site-
    10238 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10239 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10240 File "C:\Program Files\ChimeraX\bin\lib\site-
    10241 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10242 cget(self._c_pointers, n, pointer(values)) 
    10243 OSError: exception: access violation reading 0x0000000000041468 
    10244  
    10245 OSError: exception: access violation reading 0x0000000000041468 
    10246  
    10247 File "C:\Program Files\ChimeraX\bin\lib\site-
    10248 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10249 cget(self._c_pointers, n, pointer(values)) 
    10250  
    10251 See log for complete Python traceback. 
    10252  
    10253 Traceback (most recent call last): 
    10254 File "C:\Program Files\ChimeraX\bin\lib\site-
    10255 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10256 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10257 File "C:\Program Files\ChimeraX\bin\lib\site-
    10258 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10259 mouse_pause_tracking 
    10260 self._mouse_pause() 
    10261 File "C:\Program Files\ChimeraX\bin\lib\site-
    10262 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10263 m.pause(self._mouse_pause_position) 
    10264 File "C:\Program Files\ChimeraX\bin\lib\site-
    10265 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10266 p = self.view.picked_object(x, y) 
    10267 File "C:\Program Files\ChimeraX\bin\lib\site-
    10268 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10269 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10270 beyond, 
    10271 File "C:\Program Files\ChimeraX\bin\lib\site-
    10272 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10273 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10274 File "C:\Program Files\ChimeraX\bin\lib\site-
    10275 packages\chimerax\core\models.py", line 126, in first_intercept 
    10276 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10277 File "C:\Program Files\ChimeraX\bin\lib\site-
    10278 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10279 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10280 exclude=exclude) 
    10281 File "C:\Program Files\ChimeraX\bin\lib\site-
    10282 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10283 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10284 File "C:\Program Files\ChimeraX\bin\lib\site-
    10285 packages\chimerax\core\models.py", line 126, in first_intercept 
    10286 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10287 File "C:\Program Files\ChimeraX\bin\lib\site-
    10288 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10289 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10290 exclude=exclude) 
    10291 File "C:\Program Files\ChimeraX\bin\lib\site-
    10292 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10293 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10294 File "C:\Program Files\ChimeraX\bin\lib\site-
    10295 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10296 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10297 File "C:\Program Files\ChimeraX\bin\lib\site-
    10298 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10299 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10300 File "C:\Program Files\ChimeraX\bin\lib\site-
    10301 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10302 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10303 File "C:\Program Files\ChimeraX\bin\lib\site-
    10304 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10305 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10306 File "C:\Program Files\ChimeraX\bin\lib\site-
    10307 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10308 cget(self._c_pointers, n, pointer(values)) 
    10309 OSError: exception: access violation reading 0x0000000000041468 
    10310  
    10311 OSError: exception: access violation reading 0x0000000000041468 
    10312  
    10313 File "C:\Program Files\ChimeraX\bin\lib\site-
    10314 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10315 cget(self._c_pointers, n, pointer(values)) 
    10316  
    10317 See log for complete Python traceback. 
    10318  
    10319 Traceback (most recent call last): 
    10320 File "C:\Program Files\ChimeraX\bin\lib\site-
    10321 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10322 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10323 File "C:\Program Files\ChimeraX\bin\lib\site-
    10324 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10325 mouse_pause_tracking 
    10326 self._mouse_pause() 
    10327 File "C:\Program Files\ChimeraX\bin\lib\site-
    10328 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10329 m.pause(self._mouse_pause_position) 
    10330 File "C:\Program Files\ChimeraX\bin\lib\site-
    10331 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10332 p = self.view.picked_object(x, y) 
    10333 File "C:\Program Files\ChimeraX\bin\lib\site-
    10334 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10335 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10336 beyond, 
    10337 File "C:\Program Files\ChimeraX\bin\lib\site-
    10338 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10339 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10340 File "C:\Program Files\ChimeraX\bin\lib\site-
    10341 packages\chimerax\core\models.py", line 126, in first_intercept 
    10342 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10343 File "C:\Program Files\ChimeraX\bin\lib\site-
    10344 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10345 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10346 exclude=exclude) 
    10347 File "C:\Program Files\ChimeraX\bin\lib\site-
    10348 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10349 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10350 File "C:\Program Files\ChimeraX\bin\lib\site-
    10351 packages\chimerax\core\models.py", line 126, in first_intercept 
    10352 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10353 File "C:\Program Files\ChimeraX\bin\lib\site-
    10354 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10355 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10356 exclude=exclude) 
    10357 File "C:\Program Files\ChimeraX\bin\lib\site-
    10358 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10359 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10360 File "C:\Program Files\ChimeraX\bin\lib\site-
    10361 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10362 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10363 File "C:\Program Files\ChimeraX\bin\lib\site-
    10364 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10365 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10366 File "C:\Program Files\ChimeraX\bin\lib\site-
    10367 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10368 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10369 File "C:\Program Files\ChimeraX\bin\lib\site-
    10370 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10371 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10372 File "C:\Program Files\ChimeraX\bin\lib\site-
    10373 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10374 cget(self._c_pointers, n, pointer(values)) 
    10375 OSError: exception: access violation reading 0x0000000000041468 
    10376  
    10377 OSError: exception: access violation reading 0x0000000000041468 
    10378  
    10379 File "C:\Program Files\ChimeraX\bin\lib\site-
    10380 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10381 cget(self._c_pointers, n, pointer(values)) 
    10382  
    10383 See log for complete Python traceback. 
    10384  
    10385 Traceback (most recent call last): 
    10386 File "C:\Program Files\ChimeraX\bin\lib\site-
    10387 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10388 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10389 File "C:\Program Files\ChimeraX\bin\lib\site-
    10390 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10391 mouse_pause_tracking 
    10392 self._mouse_pause() 
    10393 File "C:\Program Files\ChimeraX\bin\lib\site-
    10394 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10395 m.pause(self._mouse_pause_position) 
    10396 File "C:\Program Files\ChimeraX\bin\lib\site-
    10397 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10398 p = self.view.picked_object(x, y) 
    10399 File "C:\Program Files\ChimeraX\bin\lib\site-
    10400 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10401 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10402 beyond, 
    10403 File "C:\Program Files\ChimeraX\bin\lib\site-
    10404 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10405 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10406 File "C:\Program Files\ChimeraX\bin\lib\site-
    10407 packages\chimerax\core\models.py", line 126, in first_intercept 
    10408 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10409 File "C:\Program Files\ChimeraX\bin\lib\site-
    10410 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10411 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10412 exclude=exclude) 
    10413 File "C:\Program Files\ChimeraX\bin\lib\site-
    10414 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10415 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10416 File "C:\Program Files\ChimeraX\bin\lib\site-
    10417 packages\chimerax\core\models.py", line 126, in first_intercept 
    10418 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10419 File "C:\Program Files\ChimeraX\bin\lib\site-
    10420 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10421 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10422 exclude=exclude) 
    10423 File "C:\Program Files\ChimeraX\bin\lib\site-
    10424 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10425 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10426 File "C:\Program Files\ChimeraX\bin\lib\site-
    10427 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10428 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10429 File "C:\Program Files\ChimeraX\bin\lib\site-
    10430 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10431 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10432 File "C:\Program Files\ChimeraX\bin\lib\site-
    10433 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10434 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10435 File "C:\Program Files\ChimeraX\bin\lib\site-
    10436 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10437 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10438 File "C:\Program Files\ChimeraX\bin\lib\site-
    10439 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10440 cget(self._c_pointers, n, pointer(values)) 
    10441 OSError: exception: access violation reading 0x0000000000041468 
    10442  
    10443 OSError: exception: access violation reading 0x0000000000041468 
    10444  
    10445 File "C:\Program Files\ChimeraX\bin\lib\site-
    10446 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10447 cget(self._c_pointers, n, pointer(values)) 
    10448  
    10449 See log for complete Python traceback. 
    10450  
    10451 Traceback (most recent call last): 
    10452 File "C:\Program Files\ChimeraX\bin\lib\site-
    10453 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10454 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10455 File "C:\Program Files\ChimeraX\bin\lib\site-
    10456 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10457 mouse_pause_tracking 
    10458 self._mouse_pause() 
    10459 File "C:\Program Files\ChimeraX\bin\lib\site-
    10460 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10461 m.pause(self._mouse_pause_position) 
    10462 File "C:\Program Files\ChimeraX\bin\lib\site-
    10463 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10464 p = self.view.picked_object(x, y) 
    10465 File "C:\Program Files\ChimeraX\bin\lib\site-
    10466 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10467 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10468 beyond, 
    10469 File "C:\Program Files\ChimeraX\bin\lib\site-
    10470 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10471 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10472 File "C:\Program Files\ChimeraX\bin\lib\site-
    10473 packages\chimerax\core\models.py", line 126, in first_intercept 
    10474 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10475 File "C:\Program Files\ChimeraX\bin\lib\site-
    10476 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10477 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10478 exclude=exclude) 
    10479 File "C:\Program Files\ChimeraX\bin\lib\site-
    10480 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10481 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10482 File "C:\Program Files\ChimeraX\bin\lib\site-
    10483 packages\chimerax\core\models.py", line 126, in first_intercept 
    10484 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10485 File "C:\Program Files\ChimeraX\bin\lib\site-
    10486 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10487 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10488 exclude=exclude) 
    10489 File "C:\Program Files\ChimeraX\bin\lib\site-
    10490 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10491 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10492 File "C:\Program Files\ChimeraX\bin\lib\site-
    10493 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10494 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10495 File "C:\Program Files\ChimeraX\bin\lib\site-
    10496 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10497 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10498 File "C:\Program Files\ChimeraX\bin\lib\site-
    10499 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10500 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10501 File "C:\Program Files\ChimeraX\bin\lib\site-
    10502 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10503 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10504 File "C:\Program Files\ChimeraX\bin\lib\site-
    10505 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10506 cget(self._c_pointers, n, pointer(values)) 
    10507 OSError: exception: access violation reading 0x0000000000041468 
    10508  
    10509 OSError: exception: access violation reading 0x0000000000041468 
    10510  
    10511 File "C:\Program Files\ChimeraX\bin\lib\site-
    10512 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10513 cget(self._c_pointers, n, pointer(values)) 
    10514  
    10515 See log for complete Python traceback. 
    10516  
    10517 Traceback (most recent call last): 
    10518 File "C:\Program Files\ChimeraX\bin\lib\site-
    10519 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10520 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10521 File "C:\Program Files\ChimeraX\bin\lib\site-
    10522 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10523 mouse_pause_tracking 
    10524 self._mouse_pause() 
    10525 File "C:\Program Files\ChimeraX\bin\lib\site-
    10526 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10527 m.pause(self._mouse_pause_position) 
    10528 File "C:\Program Files\ChimeraX\bin\lib\site-
    10529 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10530 p = self.view.picked_object(x, y) 
    10531 File "C:\Program Files\ChimeraX\bin\lib\site-
    10532 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10533 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10534 beyond, 
    10535 File "C:\Program Files\ChimeraX\bin\lib\site-
    10536 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10537 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10538 File "C:\Program Files\ChimeraX\bin\lib\site-
    10539 packages\chimerax\core\models.py", line 126, in first_intercept 
    10540 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10541 File "C:\Program Files\ChimeraX\bin\lib\site-
    10542 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10543 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10544 exclude=exclude) 
    10545 File "C:\Program Files\ChimeraX\bin\lib\site-
    10546 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10547 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10548 File "C:\Program Files\ChimeraX\bin\lib\site-
    10549 packages\chimerax\core\models.py", line 126, in first_intercept 
    10550 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10551 File "C:\Program Files\ChimeraX\bin\lib\site-
    10552 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10553 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10554 exclude=exclude) 
    10555 File "C:\Program Files\ChimeraX\bin\lib\site-
    10556 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10557 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10558 File "C:\Program Files\ChimeraX\bin\lib\site-
    10559 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10560 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10561 File "C:\Program Files\ChimeraX\bin\lib\site-
    10562 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10563 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10564 File "C:\Program Files\ChimeraX\bin\lib\site-
    10565 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10566 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10567 File "C:\Program Files\ChimeraX\bin\lib\site-
    10568 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10569 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10570 File "C:\Program Files\ChimeraX\bin\lib\site-
    10571 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10572 cget(self._c_pointers, n, pointer(values)) 
    10573 OSError: exception: access violation reading 0x0000000000041468 
    10574  
    10575 OSError: exception: access violation reading 0x0000000000041468 
    10576  
    10577 File "C:\Program Files\ChimeraX\bin\lib\site-
    10578 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10579 cget(self._c_pointers, n, pointer(values)) 
    10580  
    10581 See log for complete Python traceback. 
    10582  
    10583 Traceback (most recent call last): 
    10584 File "C:\Program Files\ChimeraX\bin\lib\site-
    10585 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10586 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10587 File "C:\Program Files\ChimeraX\bin\lib\site-
    10588 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10589 mouse_pause_tracking 
    10590 self._mouse_pause() 
    10591 File "C:\Program Files\ChimeraX\bin\lib\site-
    10592 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10593 m.pause(self._mouse_pause_position) 
    10594 File "C:\Program Files\ChimeraX\bin\lib\site-
    10595 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10596 p = self.view.picked_object(x, y) 
    10597 File "C:\Program Files\ChimeraX\bin\lib\site-
    10598 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10599 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10600 beyond, 
    10601 File "C:\Program Files\ChimeraX\bin\lib\site-
    10602 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10603 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10604 File "C:\Program Files\ChimeraX\bin\lib\site-
    10605 packages\chimerax\core\models.py", line 126, in first_intercept 
    10606 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10607 File "C:\Program Files\ChimeraX\bin\lib\site-
    10608 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10609 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10610 exclude=exclude) 
    10611 File "C:\Program Files\ChimeraX\bin\lib\site-
    10612 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10613 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10614 File "C:\Program Files\ChimeraX\bin\lib\site-
    10615 packages\chimerax\core\models.py", line 126, in first_intercept 
    10616 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10617 File "C:\Program Files\ChimeraX\bin\lib\site-
    10618 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10619 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10620 exclude=exclude) 
    10621 File "C:\Program Files\ChimeraX\bin\lib\site-
    10622 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10623 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10624 File "C:\Program Files\ChimeraX\bin\lib\site-
    10625 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10626 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10627 File "C:\Program Files\ChimeraX\bin\lib\site-
    10628 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10629 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10630 File "C:\Program Files\ChimeraX\bin\lib\site-
    10631 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10632 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10633 File "C:\Program Files\ChimeraX\bin\lib\site-
    10634 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10635 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10636 File "C:\Program Files\ChimeraX\bin\lib\site-
    10637 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10638 cget(self._c_pointers, n, pointer(values)) 
    10639 OSError: exception: access violation reading 0x0000000000041468 
    10640  
    10641 OSError: exception: access violation reading 0x0000000000041468 
    10642  
    10643 File "C:\Program Files\ChimeraX\bin\lib\site-
    10644 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10645 cget(self._c_pointers, n, pointer(values)) 
    10646  
    10647 See log for complete Python traceback. 
    10648  
    10649 Traceback (most recent call last): 
    10650 File "C:\Program Files\ChimeraX\bin\lib\site-
    10651 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10652 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10653 File "C:\Program Files\ChimeraX\bin\lib\site-
    10654 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10655 mouse_pause_tracking 
    10656 self._mouse_pause() 
    10657 File "C:\Program Files\ChimeraX\bin\lib\site-
    10658 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10659 m.pause(self._mouse_pause_position) 
    10660 File "C:\Program Files\ChimeraX\bin\lib\site-
    10661 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10662 p = self.view.picked_object(x, y) 
    10663 File "C:\Program Files\ChimeraX\bin\lib\site-
    10664 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10665 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10666 beyond, 
    10667 File "C:\Program Files\ChimeraX\bin\lib\site-
    10668 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10669 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10670 File "C:\Program Files\ChimeraX\bin\lib\site-
    10671 packages\chimerax\core\models.py", line 126, in first_intercept 
    10672 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10673 File "C:\Program Files\ChimeraX\bin\lib\site-
    10674 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10675 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10676 exclude=exclude) 
    10677 File "C:\Program Files\ChimeraX\bin\lib\site-
    10678 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10679 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10680 File "C:\Program Files\ChimeraX\bin\lib\site-
    10681 packages\chimerax\core\models.py", line 126, in first_intercept 
    10682 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10683 File "C:\Program Files\ChimeraX\bin\lib\site-
    10684 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10685 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10686 exclude=exclude) 
    10687 File "C:\Program Files\ChimeraX\bin\lib\site-
    10688 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10689 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10690 File "C:\Program Files\ChimeraX\bin\lib\site-
    10691 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10692 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10693 File "C:\Program Files\ChimeraX\bin\lib\site-
    10694 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10695 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10696 File "C:\Program Files\ChimeraX\bin\lib\site-
    10697 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10698 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10699 File "C:\Program Files\ChimeraX\bin\lib\site-
    10700 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10701 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10702 File "C:\Program Files\ChimeraX\bin\lib\site-
    10703 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10704 cget(self._c_pointers, n, pointer(values)) 
    10705 OSError: exception: access violation reading 0x0000000000041468 
    10706  
    10707 OSError: exception: access violation reading 0x0000000000041468 
    10708  
    10709 File "C:\Program Files\ChimeraX\bin\lib\site-
    10710 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10711 cget(self._c_pointers, n, pointer(values)) 
    10712  
    10713 See log for complete Python traceback. 
    10714  
    10715 Traceback (most recent call last): 
    10716 File "C:\Program Files\ChimeraX\bin\lib\site-
    10717 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10718 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10719 File "C:\Program Files\ChimeraX\bin\lib\site-
    10720 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10721 mouse_pause_tracking 
    10722 self._mouse_pause() 
    10723 File "C:\Program Files\ChimeraX\bin\lib\site-
    10724 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10725 m.pause(self._mouse_pause_position) 
    10726 File "C:\Program Files\ChimeraX\bin\lib\site-
    10727 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10728 p = self.view.picked_object(x, y) 
    10729 File "C:\Program Files\ChimeraX\bin\lib\site-
    10730 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10731 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10732 beyond, 
    10733 File "C:\Program Files\ChimeraX\bin\lib\site-
    10734 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10735 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10736 File "C:\Program Files\ChimeraX\bin\lib\site-
    10737 packages\chimerax\core\models.py", line 126, in first_intercept 
    10738 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10739 File "C:\Program Files\ChimeraX\bin\lib\site-
    10740 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10741 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10742 exclude=exclude) 
    10743 File "C:\Program Files\ChimeraX\bin\lib\site-
    10744 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10745 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10746 File "C:\Program Files\ChimeraX\bin\lib\site-
    10747 packages\chimerax\core\models.py", line 126, in first_intercept 
    10748 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10749 File "C:\Program Files\ChimeraX\bin\lib\site-
    10750 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10751 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10752 exclude=exclude) 
    10753 File "C:\Program Files\ChimeraX\bin\lib\site-
    10754 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10755 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10756 File "C:\Program Files\ChimeraX\bin\lib\site-
    10757 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10758 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10759 File "C:\Program Files\ChimeraX\bin\lib\site-
    10760 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10761 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10762 File "C:\Program Files\ChimeraX\bin\lib\site-
    10763 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10764 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10765 File "C:\Program Files\ChimeraX\bin\lib\site-
    10766 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10767 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10768 File "C:\Program Files\ChimeraX\bin\lib\site-
    10769 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10770 cget(self._c_pointers, n, pointer(values)) 
    10771 OSError: exception: access violation reading 0x0000000000041468 
    10772  
    10773 OSError: exception: access violation reading 0x0000000000041468 
    10774  
    10775 File "C:\Program Files\ChimeraX\bin\lib\site-
    10776 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10777 cget(self._c_pointers, n, pointer(values)) 
    10778  
    10779 See log for complete Python traceback. 
    10780  
    10781 Traceback (most recent call last): 
    10782 File "C:\Program Files\ChimeraX\bin\lib\site-
    10783 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10784 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10785 File "C:\Program Files\ChimeraX\bin\lib\site-
    10786 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10787 mouse_pause_tracking 
    10788 self._mouse_pause() 
    10789 File "C:\Program Files\ChimeraX\bin\lib\site-
    10790 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10791 m.pause(self._mouse_pause_position) 
    10792 File "C:\Program Files\ChimeraX\bin\lib\site-
    10793 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10794 p = self.view.picked_object(x, y) 
    10795 File "C:\Program Files\ChimeraX\bin\lib\site-
    10796 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10797 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10798 beyond, 
    10799 File "C:\Program Files\ChimeraX\bin\lib\site-
    10800 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10801 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10802 File "C:\Program Files\ChimeraX\bin\lib\site-
    10803 packages\chimerax\core\models.py", line 126, in first_intercept 
    10804 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10805 File "C:\Program Files\ChimeraX\bin\lib\site-
    10806 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10807 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10808 exclude=exclude) 
    10809 File "C:\Program Files\ChimeraX\bin\lib\site-
    10810 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10811 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10812 File "C:\Program Files\ChimeraX\bin\lib\site-
    10813 packages\chimerax\core\models.py", line 126, in first_intercept 
    10814 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10815 File "C:\Program Files\ChimeraX\bin\lib\site-
    10816 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10817 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10818 exclude=exclude) 
    10819 File "C:\Program Files\ChimeraX\bin\lib\site-
    10820 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10821 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10822 File "C:\Program Files\ChimeraX\bin\lib\site-
    10823 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10824 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10825 File "C:\Program Files\ChimeraX\bin\lib\site-
    10826 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10827 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10828 File "C:\Program Files\ChimeraX\bin\lib\site-
    10829 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10830 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10831 File "C:\Program Files\ChimeraX\bin\lib\site-
    10832 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10833 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10834 File "C:\Program Files\ChimeraX\bin\lib\site-
    10835 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10836 cget(self._c_pointers, n, pointer(values)) 
    10837 OSError: exception: access violation reading 0x0000000000041468 
    10838  
    10839 OSError: exception: access violation reading 0x0000000000041468 
    10840  
    10841 File "C:\Program Files\ChimeraX\bin\lib\site-
    10842 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10843 cget(self._c_pointers, n, pointer(values)) 
    10844  
    10845 See log for complete Python traceback. 
    10846  
    10847 Traceback (most recent call last): 
    10848 File "C:\Program Files\ChimeraX\bin\lib\site-
    10849 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10850 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10851 File "C:\Program Files\ChimeraX\bin\lib\site-
    10852 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10853 mouse_pause_tracking 
    10854 self._mouse_pause() 
    10855 File "C:\Program Files\ChimeraX\bin\lib\site-
    10856 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10857 m.pause(self._mouse_pause_position) 
    10858 File "C:\Program Files\ChimeraX\bin\lib\site-
    10859 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10860 p = self.view.picked_object(x, y) 
    10861 File "C:\Program Files\ChimeraX\bin\lib\site-
    10862 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10863 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10864 beyond, 
    10865 File "C:\Program Files\ChimeraX\bin\lib\site-
    10866 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10867 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10868 File "C:\Program Files\ChimeraX\bin\lib\site-
    10869 packages\chimerax\core\models.py", line 126, in first_intercept 
    10870 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10871 File "C:\Program Files\ChimeraX\bin\lib\site-
    10872 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10873 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10874 exclude=exclude) 
    10875 File "C:\Program Files\ChimeraX\bin\lib\site-
    10876 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10877 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10878 File "C:\Program Files\ChimeraX\bin\lib\site-
    10879 packages\chimerax\core\models.py", line 126, in first_intercept 
    10880 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10881 File "C:\Program Files\ChimeraX\bin\lib\site-
    10882 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10883 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10884 exclude=exclude) 
    10885 File "C:\Program Files\ChimeraX\bin\lib\site-
    10886 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10887 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10888 File "C:\Program Files\ChimeraX\bin\lib\site-
    10889 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10890 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10891 File "C:\Program Files\ChimeraX\bin\lib\site-
    10892 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10893 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10894 File "C:\Program Files\ChimeraX\bin\lib\site-
    10895 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10896 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10897 File "C:\Program Files\ChimeraX\bin\lib\site-
    10898 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10899 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10900 File "C:\Program Files\ChimeraX\bin\lib\site-
    10901 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10902 cget(self._c_pointers, n, pointer(values)) 
    10903 OSError: exception: access violation reading 0x0000000000041468 
    10904  
    10905 OSError: exception: access violation reading 0x0000000000041468 
    10906  
    10907 File "C:\Program Files\ChimeraX\bin\lib\site-
    10908 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10909 cget(self._c_pointers, n, pointer(values)) 
    10910  
    10911 See log for complete Python traceback. 
    10912  
    10913 Traceback (most recent call last): 
    10914 File "C:\Program Files\ChimeraX\bin\lib\site-
    10915 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10916 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10917 File "C:\Program Files\ChimeraX\bin\lib\site-
    10918 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10919 mouse_pause_tracking 
    10920 self._mouse_pause() 
    10921 File "C:\Program Files\ChimeraX\bin\lib\site-
    10922 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10923 m.pause(self._mouse_pause_position) 
    10924 File "C:\Program Files\ChimeraX\bin\lib\site-
    10925 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10926 p = self.view.picked_object(x, y) 
    10927 File "C:\Program Files\ChimeraX\bin\lib\site-
    10928 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10929 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10930 beyond, 
    10931 File "C:\Program Files\ChimeraX\bin\lib\site-
    10932 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10933 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    10934 File "C:\Program Files\ChimeraX\bin\lib\site-
    10935 packages\chimerax\core\models.py", line 126, in first_intercept 
    10936 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10937 File "C:\Program Files\ChimeraX\bin\lib\site-
    10938 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10939 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10940 exclude=exclude) 
    10941 File "C:\Program Files\ChimeraX\bin\lib\site-
    10942 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10943 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10944 File "C:\Program Files\ChimeraX\bin\lib\site-
    10945 packages\chimerax\core\models.py", line 126, in first_intercept 
    10946 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    10947 File "C:\Program Files\ChimeraX\bin\lib\site-
    10948 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    10949 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    10950 exclude=exclude) 
    10951 File "C:\Program Files\ChimeraX\bin\lib\site-
    10952 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    10953 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    10954 File "C:\Program Files\ChimeraX\bin\lib\site-
    10955 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    10956 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    10957 File "C:\Program Files\ChimeraX\bin\lib\site-
    10958 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    10959 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    10960 File "C:\Program Files\ChimeraX\bin\lib\site-
    10961 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    10962 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    10963 File "C:\Program Files\ChimeraX\bin\lib\site-
    10964 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    10965 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    10966 File "C:\Program Files\ChimeraX\bin\lib\site-
    10967 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10968 cget(self._c_pointers, n, pointer(values)) 
    10969 OSError: exception: access violation reading 0x0000000000041468 
    10970  
    10971 OSError: exception: access violation reading 0x0000000000041468 
    10972  
    10973 File "C:\Program Files\ChimeraX\bin\lib\site-
    10974 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    10975 cget(self._c_pointers, n, pointer(values)) 
    10976  
    10977 See log for complete Python traceback. 
    10978  
    10979 Traceback (most recent call last): 
    10980 File "C:\Program Files\ChimeraX\bin\lib\site-
    10981 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    10982 self.session.ui.mouse_modes.mouse_pause_tracking() 
    10983 File "C:\Program Files\ChimeraX\bin\lib\site-
    10984 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    10985 mouse_pause_tracking 
    10986 self._mouse_pause() 
    10987 File "C:\Program Files\ChimeraX\bin\lib\site-
    10988 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    10989 m.pause(self._mouse_pause_position) 
    10990 File "C:\Program Files\ChimeraX\bin\lib\site-
    10991 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    10992 p = self.view.picked_object(x, y) 
    10993 File "C:\Program Files\ChimeraX\bin\lib\site-
    10994 packages\chimerax\graphics\view.py", line 817, in picked_object 
    10995 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    10996 beyond, 
    10997 File "C:\Program Files\ChimeraX\bin\lib\site-
    10998 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    10999 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11000 File "C:\Program Files\ChimeraX\bin\lib\site-
    11001 packages\chimerax\core\models.py", line 126, in first_intercept 
    11002 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11003 File "C:\Program Files\ChimeraX\bin\lib\site-
    11004 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11005 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11006 exclude=exclude) 
    11007 File "C:\Program Files\ChimeraX\bin\lib\site-
    11008 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11009 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11010 File "C:\Program Files\ChimeraX\bin\lib\site-
    11011 packages\chimerax\core\models.py", line 126, in first_intercept 
    11012 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11013 File "C:\Program Files\ChimeraX\bin\lib\site-
    11014 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11015 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11016 exclude=exclude) 
    11017 File "C:\Program Files\ChimeraX\bin\lib\site-
    11018 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11019 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11020 File "C:\Program Files\ChimeraX\bin\lib\site-
    11021 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11022 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11023 File "C:\Program Files\ChimeraX\bin\lib\site-
    11024 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11025 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11026 File "C:\Program Files\ChimeraX\bin\lib\site-
    11027 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11028 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11029 File "C:\Program Files\ChimeraX\bin\lib\site-
    11030 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11031 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11032 File "C:\Program Files\ChimeraX\bin\lib\site-
    11033 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11034 cget(self._c_pointers, n, pointer(values)) 
    11035 OSError: exception: access violation reading 0x0000000000041468 
    11036  
    11037 OSError: exception: access violation reading 0x0000000000041468 
    11038  
    11039 File "C:\Program Files\ChimeraX\bin\lib\site-
    11040 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11041 cget(self._c_pointers, n, pointer(values)) 
    11042  
    11043 See log for complete Python traceback. 
    11044  
    11045 Traceback (most recent call last): 
    11046 File "C:\Program Files\ChimeraX\bin\lib\site-
    11047 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11048 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11049 File "C:\Program Files\ChimeraX\bin\lib\site-
    11050 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11051 mouse_pause_tracking 
    11052 self._mouse_pause() 
    11053 File "C:\Program Files\ChimeraX\bin\lib\site-
    11054 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11055 m.pause(self._mouse_pause_position) 
    11056 File "C:\Program Files\ChimeraX\bin\lib\site-
    11057 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11058 p = self.view.picked_object(x, y) 
    11059 File "C:\Program Files\ChimeraX\bin\lib\site-
    11060 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11061 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11062 beyond, 
    11063 File "C:\Program Files\ChimeraX\bin\lib\site-
    11064 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11065 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11066 File "C:\Program Files\ChimeraX\bin\lib\site-
    11067 packages\chimerax\core\models.py", line 126, in first_intercept 
    11068 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11069 File "C:\Program Files\ChimeraX\bin\lib\site-
    11070 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11071 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11072 exclude=exclude) 
    11073 File "C:\Program Files\ChimeraX\bin\lib\site-
    11074 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11075 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11076 File "C:\Program Files\ChimeraX\bin\lib\site-
    11077 packages\chimerax\core\models.py", line 126, in first_intercept 
    11078 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11079 File "C:\Program Files\ChimeraX\bin\lib\site-
    11080 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11081 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11082 exclude=exclude) 
    11083 File "C:\Program Files\ChimeraX\bin\lib\site-
    11084 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11085 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11086 File "C:\Program Files\ChimeraX\bin\lib\site-
    11087 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11088 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11089 File "C:\Program Files\ChimeraX\bin\lib\site-
    11090 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11091 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11092 File "C:\Program Files\ChimeraX\bin\lib\site-
    11093 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11094 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11095 File "C:\Program Files\ChimeraX\bin\lib\site-
    11096 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11097 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11098 File "C:\Program Files\ChimeraX\bin\lib\site-
    11099 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11100 cget(self._c_pointers, n, pointer(values)) 
    11101 OSError: exception: access violation reading 0x0000000000041468 
    11102  
    11103 OSError: exception: access violation reading 0x0000000000041468 
    11104  
    11105 File "C:\Program Files\ChimeraX\bin\lib\site-
    11106 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11107 cget(self._c_pointers, n, pointer(values)) 
    11108  
    11109 See log for complete Python traceback. 
    11110  
    11111 Traceback (most recent call last): 
    11112 File "C:\Program Files\ChimeraX\bin\lib\site-
    11113 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11114 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11115 File "C:\Program Files\ChimeraX\bin\lib\site-
    11116 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11117 mouse_pause_tracking 
    11118 self._mouse_pause() 
    11119 File "C:\Program Files\ChimeraX\bin\lib\site-
    11120 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11121 m.pause(self._mouse_pause_position) 
    11122 File "C:\Program Files\ChimeraX\bin\lib\site-
    11123 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11124 p = self.view.picked_object(x, y) 
    11125 File "C:\Program Files\ChimeraX\bin\lib\site-
    11126 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11127 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11128 beyond, 
    11129 File "C:\Program Files\ChimeraX\bin\lib\site-
    11130 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11131 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11132 File "C:\Program Files\ChimeraX\bin\lib\site-
    11133 packages\chimerax\core\models.py", line 126, in first_intercept 
    11134 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11135 File "C:\Program Files\ChimeraX\bin\lib\site-
    11136 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11137 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11138 exclude=exclude) 
    11139 File "C:\Program Files\ChimeraX\bin\lib\site-
    11140 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11141 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11142 File "C:\Program Files\ChimeraX\bin\lib\site-
    11143 packages\chimerax\core\models.py", line 126, in first_intercept 
    11144 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11145 File "C:\Program Files\ChimeraX\bin\lib\site-
    11146 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11147 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11148 exclude=exclude) 
    11149 File "C:\Program Files\ChimeraX\bin\lib\site-
    11150 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11151 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11152 File "C:\Program Files\ChimeraX\bin\lib\site-
    11153 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11154 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11155 File "C:\Program Files\ChimeraX\bin\lib\site-
    11156 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11157 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11158 File "C:\Program Files\ChimeraX\bin\lib\site-
    11159 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11160 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11161 File "C:\Program Files\ChimeraX\bin\lib\site-
    11162 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11163 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11164 File "C:\Program Files\ChimeraX\bin\lib\site-
    11165 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11166 cget(self._c_pointers, n, pointer(values)) 
    11167 OSError: exception: access violation reading 0x0000000000041468 
    11168  
    11169 OSError: exception: access violation reading 0x0000000000041468 
    11170  
    11171 File "C:\Program Files\ChimeraX\bin\lib\site-
    11172 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11173 cget(self._c_pointers, n, pointer(values)) 
    11174  
    11175 See log for complete Python traceback. 
    11176  
    11177 Traceback (most recent call last): 
    11178 File "C:\Program Files\ChimeraX\bin\lib\site-
    11179 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11180 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11181 File "C:\Program Files\ChimeraX\bin\lib\site-
    11182 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11183 mouse_pause_tracking 
    11184 self._mouse_pause() 
    11185 File "C:\Program Files\ChimeraX\bin\lib\site-
    11186 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11187 m.pause(self._mouse_pause_position) 
    11188 File "C:\Program Files\ChimeraX\bin\lib\site-
    11189 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11190 p = self.view.picked_object(x, y) 
    11191 File "C:\Program Files\ChimeraX\bin\lib\site-
    11192 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11193 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11194 beyond, 
    11195 File "C:\Program Files\ChimeraX\bin\lib\site-
    11196 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11197 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11198 File "C:\Program Files\ChimeraX\bin\lib\site-
    11199 packages\chimerax\core\models.py", line 126, in first_intercept 
    11200 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11201 File "C:\Program Files\ChimeraX\bin\lib\site-
    11202 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11203 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11204 exclude=exclude) 
    11205 File "C:\Program Files\ChimeraX\bin\lib\site-
    11206 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11207 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11208 File "C:\Program Files\ChimeraX\bin\lib\site-
    11209 packages\chimerax\core\models.py", line 126, in first_intercept 
    11210 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11211 File "C:\Program Files\ChimeraX\bin\lib\site-
    11212 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11213 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11214 exclude=exclude) 
    11215 File "C:\Program Files\ChimeraX\bin\lib\site-
    11216 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11217 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11218 File "C:\Program Files\ChimeraX\bin\lib\site-
    11219 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11220 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11221 File "C:\Program Files\ChimeraX\bin\lib\site-
    11222 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11223 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11224 File "C:\Program Files\ChimeraX\bin\lib\site-
    11225 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11226 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11227 File "C:\Program Files\ChimeraX\bin\lib\site-
    11228 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11229 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11230 File "C:\Program Files\ChimeraX\bin\lib\site-
    11231 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11232 cget(self._c_pointers, n, pointer(values)) 
    11233 OSError: exception: access violation reading 0x0000000000041468 
    11234  
    11235 OSError: exception: access violation reading 0x0000000000041468 
    11236  
    11237 File "C:\Program Files\ChimeraX\bin\lib\site-
    11238 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11239 cget(self._c_pointers, n, pointer(values)) 
    11240  
    11241 See log for complete Python traceback. 
    11242  
    11243 Traceback (most recent call last): 
    11244 File "C:\Program Files\ChimeraX\bin\lib\site-
    11245 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11246 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11247 File "C:\Program Files\ChimeraX\bin\lib\site-
    11248 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11249 mouse_pause_tracking 
    11250 self._mouse_pause() 
    11251 File "C:\Program Files\ChimeraX\bin\lib\site-
    11252 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11253 m.pause(self._mouse_pause_position) 
    11254 File "C:\Program Files\ChimeraX\bin\lib\site-
    11255 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11256 p = self.view.picked_object(x, y) 
    11257 File "C:\Program Files\ChimeraX\bin\lib\site-
    11258 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11259 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11260 beyond, 
    11261 File "C:\Program Files\ChimeraX\bin\lib\site-
    11262 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11263 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11264 File "C:\Program Files\ChimeraX\bin\lib\site-
    11265 packages\chimerax\core\models.py", line 126, in first_intercept 
    11266 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11267 File "C:\Program Files\ChimeraX\bin\lib\site-
    11268 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11269 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11270 exclude=exclude) 
    11271 File "C:\Program Files\ChimeraX\bin\lib\site-
    11272 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11273 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11274 File "C:\Program Files\ChimeraX\bin\lib\site-
    11275 packages\chimerax\core\models.py", line 126, in first_intercept 
    11276 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11277 File "C:\Program Files\ChimeraX\bin\lib\site-
    11278 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11279 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11280 exclude=exclude) 
    11281 File "C:\Program Files\ChimeraX\bin\lib\site-
    11282 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11283 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11284 File "C:\Program Files\ChimeraX\bin\lib\site-
    11285 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11286 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11287 File "C:\Program Files\ChimeraX\bin\lib\site-
    11288 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11289 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11290 File "C:\Program Files\ChimeraX\bin\lib\site-
    11291 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11292 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11293 File "C:\Program Files\ChimeraX\bin\lib\site-
    11294 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11295 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11296 File "C:\Program Files\ChimeraX\bin\lib\site-
    11297 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11298 cget(self._c_pointers, n, pointer(values)) 
    11299 OSError: exception: access violation reading 0x0000000000041468 
    11300  
    11301 OSError: exception: access violation reading 0x0000000000041468 
    11302  
    11303 File "C:\Program Files\ChimeraX\bin\lib\site-
    11304 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11305 cget(self._c_pointers, n, pointer(values)) 
    11306  
    11307 See log for complete Python traceback. 
    11308  
    11309 Traceback (most recent call last): 
    11310 File "C:\Program Files\ChimeraX\bin\lib\site-
    11311 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11312 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11313 File "C:\Program Files\ChimeraX\bin\lib\site-
    11314 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11315 mouse_pause_tracking 
    11316 self._mouse_pause() 
    11317 File "C:\Program Files\ChimeraX\bin\lib\site-
    11318 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11319 m.pause(self._mouse_pause_position) 
    11320 File "C:\Program Files\ChimeraX\bin\lib\site-
    11321 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11322 p = self.view.picked_object(x, y) 
    11323 File "C:\Program Files\ChimeraX\bin\lib\site-
    11324 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11325 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11326 beyond, 
    11327 File "C:\Program Files\ChimeraX\bin\lib\site-
    11328 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11329 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11330 File "C:\Program Files\ChimeraX\bin\lib\site-
    11331 packages\chimerax\core\models.py", line 126, in first_intercept 
    11332 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11333 File "C:\Program Files\ChimeraX\bin\lib\site-
    11334 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11335 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11336 exclude=exclude) 
    11337 File "C:\Program Files\ChimeraX\bin\lib\site-
    11338 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11339 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11340 File "C:\Program Files\ChimeraX\bin\lib\site-
    11341 packages\chimerax\core\models.py", line 126, in first_intercept 
    11342 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11343 File "C:\Program Files\ChimeraX\bin\lib\site-
    11344 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11345 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11346 exclude=exclude) 
    11347 File "C:\Program Files\ChimeraX\bin\lib\site-
    11348 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11349 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11350 File "C:\Program Files\ChimeraX\bin\lib\site-
    11351 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11352 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11353 File "C:\Program Files\ChimeraX\bin\lib\site-
    11354 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11355 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11356 File "C:\Program Files\ChimeraX\bin\lib\site-
    11357 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11358 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11359 File "C:\Program Files\ChimeraX\bin\lib\site-
    11360 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11361 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11362 File "C:\Program Files\ChimeraX\bin\lib\site-
    11363 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11364 cget(self._c_pointers, n, pointer(values)) 
    11365 OSError: exception: access violation reading 0x0000000000041468 
    11366  
    11367 OSError: exception: access violation reading 0x0000000000041468 
    11368  
    11369 File "C:\Program Files\ChimeraX\bin\lib\site-
    11370 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11371 cget(self._c_pointers, n, pointer(values)) 
    11372  
    11373 See log for complete Python traceback. 
    11374  
    11375 Traceback (most recent call last): 
    11376 File "C:\Program Files\ChimeraX\bin\lib\site-
    11377 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11378 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11379 File "C:\Program Files\ChimeraX\bin\lib\site-
    11380 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11381 mouse_pause_tracking 
    11382 self._mouse_pause() 
    11383 File "C:\Program Files\ChimeraX\bin\lib\site-
    11384 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11385 m.pause(self._mouse_pause_position) 
    11386 File "C:\Program Files\ChimeraX\bin\lib\site-
    11387 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11388 p = self.view.picked_object(x, y) 
    11389 File "C:\Program Files\ChimeraX\bin\lib\site-
    11390 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11391 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11392 beyond, 
    11393 File "C:\Program Files\ChimeraX\bin\lib\site-
    11394 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11395 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11396 File "C:\Program Files\ChimeraX\bin\lib\site-
    11397 packages\chimerax\core\models.py", line 126, in first_intercept 
    11398 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11399 File "C:\Program Files\ChimeraX\bin\lib\site-
    11400 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11401 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11402 exclude=exclude) 
    11403 File "C:\Program Files\ChimeraX\bin\lib\site-
    11404 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11405 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11406 File "C:\Program Files\ChimeraX\bin\lib\site-
    11407 packages\chimerax\core\models.py", line 126, in first_intercept 
    11408 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11409 File "C:\Program Files\ChimeraX\bin\lib\site-
    11410 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11411 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11412 exclude=exclude) 
    11413 File "C:\Program Files\ChimeraX\bin\lib\site-
    11414 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11415 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11416 File "C:\Program Files\ChimeraX\bin\lib\site-
    11417 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11418 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11419 File "C:\Program Files\ChimeraX\bin\lib\site-
    11420 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11421 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11422 File "C:\Program Files\ChimeraX\bin\lib\site-
    11423 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11424 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11425 File "C:\Program Files\ChimeraX\bin\lib\site-
    11426 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11427 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11428 File "C:\Program Files\ChimeraX\bin\lib\site-
    11429 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11430 cget(self._c_pointers, n, pointer(values)) 
    11431 OSError: exception: access violation reading 0x0000000000041468 
    11432  
    11433 OSError: exception: access violation reading 0x0000000000041468 
    11434  
    11435 File "C:\Program Files\ChimeraX\bin\lib\site-
    11436 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11437 cget(self._c_pointers, n, pointer(values)) 
    11438  
    11439 See log for complete Python traceback. 
    11440  
    11441 Traceback (most recent call last): 
    11442 File "C:\Program Files\ChimeraX\bin\lib\site-
    11443 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11444 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11445 File "C:\Program Files\ChimeraX\bin\lib\site-
    11446 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11447 mouse_pause_tracking 
    11448 self._mouse_pause() 
    11449 File "C:\Program Files\ChimeraX\bin\lib\site-
    11450 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11451 m.pause(self._mouse_pause_position) 
    11452 File "C:\Program Files\ChimeraX\bin\lib\site-
    11453 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11454 p = self.view.picked_object(x, y) 
    11455 File "C:\Program Files\ChimeraX\bin\lib\site-
    11456 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11457 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11458 beyond, 
    11459 File "C:\Program Files\ChimeraX\bin\lib\site-
    11460 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11461 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11462 File "C:\Program Files\ChimeraX\bin\lib\site-
    11463 packages\chimerax\core\models.py", line 126, in first_intercept 
    11464 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11465 File "C:\Program Files\ChimeraX\bin\lib\site-
    11466 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11467 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11468 exclude=exclude) 
    11469 File "C:\Program Files\ChimeraX\bin\lib\site-
    11470 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11471 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11472 File "C:\Program Files\ChimeraX\bin\lib\site-
    11473 packages\chimerax\core\models.py", line 126, in first_intercept 
    11474 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11475 File "C:\Program Files\ChimeraX\bin\lib\site-
    11476 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11477 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11478 exclude=exclude) 
    11479 File "C:\Program Files\ChimeraX\bin\lib\site-
    11480 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11481 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11482 File "C:\Program Files\ChimeraX\bin\lib\site-
    11483 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11484 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11485 File "C:\Program Files\ChimeraX\bin\lib\site-
    11486 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11487 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11488 File "C:\Program Files\ChimeraX\bin\lib\site-
    11489 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11490 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11491 File "C:\Program Files\ChimeraX\bin\lib\site-
    11492 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11493 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11494 File "C:\Program Files\ChimeraX\bin\lib\site-
    11495 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11496 cget(self._c_pointers, n, pointer(values)) 
    11497 OSError: exception: access violation reading 0x0000000000041468 
    11498  
    11499 OSError: exception: access violation reading 0x0000000000041468 
    11500  
    11501 File "C:\Program Files\ChimeraX\bin\lib\site-
    11502 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11503 cget(self._c_pointers, n, pointer(values)) 
    11504  
    11505 See log for complete Python traceback. 
    11506  
    11507 Traceback (most recent call last): 
    11508 File "C:\Program Files\ChimeraX\bin\lib\site-
    11509 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11510 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11511 File "C:\Program Files\ChimeraX\bin\lib\site-
    11512 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11513 mouse_pause_tracking 
    11514 self._mouse_pause() 
    11515 File "C:\Program Files\ChimeraX\bin\lib\site-
    11516 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11517 m.pause(self._mouse_pause_position) 
    11518 File "C:\Program Files\ChimeraX\bin\lib\site-
    11519 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11520 p = self.view.picked_object(x, y) 
    11521 File "C:\Program Files\ChimeraX\bin\lib\site-
    11522 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11523 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11524 beyond, 
    11525 File "C:\Program Files\ChimeraX\bin\lib\site-
    11526 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11527 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11528 File "C:\Program Files\ChimeraX\bin\lib\site-
    11529 packages\chimerax\core\models.py", line 126, in first_intercept 
    11530 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11531 File "C:\Program Files\ChimeraX\bin\lib\site-
    11532 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11533 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11534 exclude=exclude) 
    11535 File "C:\Program Files\ChimeraX\bin\lib\site-
    11536 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11537 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11538 File "C:\Program Files\ChimeraX\bin\lib\site-
    11539 packages\chimerax\core\models.py", line 126, in first_intercept 
    11540 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11541 File "C:\Program Files\ChimeraX\bin\lib\site-
    11542 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11543 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11544 exclude=exclude) 
    11545 File "C:\Program Files\ChimeraX\bin\lib\site-
    11546 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11547 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11548 File "C:\Program Files\ChimeraX\bin\lib\site-
    11549 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11550 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11551 File "C:\Program Files\ChimeraX\bin\lib\site-
    11552 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11553 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11554 File "C:\Program Files\ChimeraX\bin\lib\site-
    11555 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11556 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11557 File "C:\Program Files\ChimeraX\bin\lib\site-
    11558 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11559 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11560 File "C:\Program Files\ChimeraX\bin\lib\site-
    11561 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11562 cget(self._c_pointers, n, pointer(values)) 
    11563 OSError: exception: access violation reading 0x0000000000041468 
    11564  
    11565 OSError: exception: access violation reading 0x0000000000041468 
    11566  
    11567 File "C:\Program Files\ChimeraX\bin\lib\site-
    11568 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11569 cget(self._c_pointers, n, pointer(values)) 
    11570  
    11571 See log for complete Python traceback. 
    11572  
    11573 Traceback (most recent call last): 
    11574 File "C:\Program Files\ChimeraX\bin\lib\site-
    11575 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11576 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11577 File "C:\Program Files\ChimeraX\bin\lib\site-
    11578 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11579 mouse_pause_tracking 
    11580 self._mouse_pause() 
    11581 File "C:\Program Files\ChimeraX\bin\lib\site-
    11582 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11583 m.pause(self._mouse_pause_position) 
    11584 File "C:\Program Files\ChimeraX\bin\lib\site-
    11585 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11586 p = self.view.picked_object(x, y) 
    11587 File "C:\Program Files\ChimeraX\bin\lib\site-
    11588 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11589 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11590 beyond, 
    11591 File "C:\Program Files\ChimeraX\bin\lib\site-
    11592 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11593 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11594 File "C:\Program Files\ChimeraX\bin\lib\site-
    11595 packages\chimerax\core\models.py", line 126, in first_intercept 
    11596 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11597 File "C:\Program Files\ChimeraX\bin\lib\site-
    11598 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11599 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11600 exclude=exclude) 
    11601 File "C:\Program Files\ChimeraX\bin\lib\site-
    11602 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11603 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11604 File "C:\Program Files\ChimeraX\bin\lib\site-
    11605 packages\chimerax\core\models.py", line 126, in first_intercept 
    11606 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11607 File "C:\Program Files\ChimeraX\bin\lib\site-
    11608 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11609 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11610 exclude=exclude) 
    11611 File "C:\Program Files\ChimeraX\bin\lib\site-
    11612 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11613 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11614 File "C:\Program Files\ChimeraX\bin\lib\site-
    11615 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11616 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11617 File "C:\Program Files\ChimeraX\bin\lib\site-
    11618 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11619 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11620 File "C:\Program Files\ChimeraX\bin\lib\site-
    11621 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11622 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11623 File "C:\Program Files\ChimeraX\bin\lib\site-
    11624 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11625 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11626 File "C:\Program Files\ChimeraX\bin\lib\site-
    11627 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11628 cget(self._c_pointers, n, pointer(values)) 
    11629 OSError: exception: access violation reading 0x0000000000041468 
    11630  
    11631 OSError: exception: access violation reading 0x0000000000041468 
    11632  
    11633 File "C:\Program Files\ChimeraX\bin\lib\site-
    11634 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11635 cget(self._c_pointers, n, pointer(values)) 
    11636  
    11637 See log for complete Python traceback. 
    11638  
    11639 Traceback (most recent call last): 
    11640 File "C:\Program Files\ChimeraX\bin\lib\site-
    11641 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11642 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11643 File "C:\Program Files\ChimeraX\bin\lib\site-
    11644 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11645 mouse_pause_tracking 
    11646 self._mouse_pause() 
    11647 File "C:\Program Files\ChimeraX\bin\lib\site-
    11648 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11649 m.pause(self._mouse_pause_position) 
    11650 File "C:\Program Files\ChimeraX\bin\lib\site-
    11651 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11652 p = self.view.picked_object(x, y) 
    11653 File "C:\Program Files\ChimeraX\bin\lib\site-
    11654 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11655 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11656 beyond, 
    11657 File "C:\Program Files\ChimeraX\bin\lib\site-
    11658 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11659 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11660 File "C:\Program Files\ChimeraX\bin\lib\site-
    11661 packages\chimerax\core\models.py", line 126, in first_intercept 
    11662 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11663 File "C:\Program Files\ChimeraX\bin\lib\site-
    11664 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11665 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11666 exclude=exclude) 
    11667 File "C:\Program Files\ChimeraX\bin\lib\site-
    11668 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11669 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11670 File "C:\Program Files\ChimeraX\bin\lib\site-
    11671 packages\chimerax\core\models.py", line 126, in first_intercept 
    11672 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11673 File "C:\Program Files\ChimeraX\bin\lib\site-
    11674 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11675 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11676 exclude=exclude) 
    11677 File "C:\Program Files\ChimeraX\bin\lib\site-
    11678 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11679 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11680 File "C:\Program Files\ChimeraX\bin\lib\site-
    11681 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11682 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11683 File "C:\Program Files\ChimeraX\bin\lib\site-
    11684 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11685 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11686 File "C:\Program Files\ChimeraX\bin\lib\site-
    11687 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11688 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11689 File "C:\Program Files\ChimeraX\bin\lib\site-
    11690 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11691 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11692 File "C:\Program Files\ChimeraX\bin\lib\site-
    11693 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11694 cget(self._c_pointers, n, pointer(values)) 
    11695 OSError: exception: access violation reading 0x0000000000041468 
    11696  
    11697 OSError: exception: access violation reading 0x0000000000041468 
    11698  
    11699 File "C:\Program Files\ChimeraX\bin\lib\site-
    11700 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11701 cget(self._c_pointers, n, pointer(values)) 
    11702  
    11703 See log for complete Python traceback. 
    11704  
    11705 Traceback (most recent call last): 
    11706 File "C:\Program Files\ChimeraX\bin\lib\site-
    11707 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11708 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11709 File "C:\Program Files\ChimeraX\bin\lib\site-
    11710 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11711 mouse_pause_tracking 
    11712 self._mouse_pause() 
    11713 File "C:\Program Files\ChimeraX\bin\lib\site-
    11714 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11715 m.pause(self._mouse_pause_position) 
    11716 File "C:\Program Files\ChimeraX\bin\lib\site-
    11717 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11718 p = self.view.picked_object(x, y) 
    11719 File "C:\Program Files\ChimeraX\bin\lib\site-
    11720 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11721 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11722 beyond, 
    11723 File "C:\Program Files\ChimeraX\bin\lib\site-
    11724 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11725 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11726 File "C:\Program Files\ChimeraX\bin\lib\site-
    11727 packages\chimerax\core\models.py", line 126, in first_intercept 
    11728 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11729 File "C:\Program Files\ChimeraX\bin\lib\site-
    11730 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11731 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11732 exclude=exclude) 
    11733 File "C:\Program Files\ChimeraX\bin\lib\site-
    11734 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11735 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11736 File "C:\Program Files\ChimeraX\bin\lib\site-
    11737 packages\chimerax\core\models.py", line 126, in first_intercept 
    11738 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11739 File "C:\Program Files\ChimeraX\bin\lib\site-
    11740 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11741 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11742 exclude=exclude) 
    11743 File "C:\Program Files\ChimeraX\bin\lib\site-
    11744 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11745 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11746 File "C:\Program Files\ChimeraX\bin\lib\site-
    11747 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11748 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11749 File "C:\Program Files\ChimeraX\bin\lib\site-
    11750 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11751 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11752 File "C:\Program Files\ChimeraX\bin\lib\site-
    11753 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11754 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11755 File "C:\Program Files\ChimeraX\bin\lib\site-
    11756 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11757 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11758 File "C:\Program Files\ChimeraX\bin\lib\site-
    11759 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11760 cget(self._c_pointers, n, pointer(values)) 
    11761 OSError: exception: access violation reading 0x0000000000041468 
    11762  
    11763 OSError: exception: access violation reading 0x0000000000041468 
    11764  
    11765 File "C:\Program Files\ChimeraX\bin\lib\site-
    11766 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11767 cget(self._c_pointers, n, pointer(values)) 
    11768  
    11769 See log for complete Python traceback. 
    11770  
    11771 Traceback (most recent call last): 
    11772 File "C:\Program Files\ChimeraX\bin\lib\site-
    11773 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11774 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11775 File "C:\Program Files\ChimeraX\bin\lib\site-
    11776 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11777 mouse_pause_tracking 
    11778 self._mouse_pause() 
    11779 File "C:\Program Files\ChimeraX\bin\lib\site-
    11780 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11781 m.pause(self._mouse_pause_position) 
    11782 File "C:\Program Files\ChimeraX\bin\lib\site-
    11783 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11784 p = self.view.picked_object(x, y) 
    11785 File "C:\Program Files\ChimeraX\bin\lib\site-
    11786 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11787 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11788 beyond, 
    11789 File "C:\Program Files\ChimeraX\bin\lib\site-
    11790 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11791 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11792 File "C:\Program Files\ChimeraX\bin\lib\site-
    11793 packages\chimerax\core\models.py", line 126, in first_intercept 
    11794 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11795 File "C:\Program Files\ChimeraX\bin\lib\site-
    11796 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11797 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11798 exclude=exclude) 
    11799 File "C:\Program Files\ChimeraX\bin\lib\site-
    11800 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11801 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11802 File "C:\Program Files\ChimeraX\bin\lib\site-
    11803 packages\chimerax\core\models.py", line 126, in first_intercept 
    11804 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11805 File "C:\Program Files\ChimeraX\bin\lib\site-
    11806 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11807 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11808 exclude=exclude) 
    11809 File "C:\Program Files\ChimeraX\bin\lib\site-
    11810 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11811 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11812 File "C:\Program Files\ChimeraX\bin\lib\site-
    11813 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11814 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11815 File "C:\Program Files\ChimeraX\bin\lib\site-
    11816 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11817 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11818 File "C:\Program Files\ChimeraX\bin\lib\site-
    11819 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11820 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11821 File "C:\Program Files\ChimeraX\bin\lib\site-
    11822 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11823 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11824 File "C:\Program Files\ChimeraX\bin\lib\site-
    11825 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11826 cget(self._c_pointers, n, pointer(values)) 
    11827 OSError: exception: access violation reading 0x0000000000041468 
    11828  
    11829 OSError: exception: access violation reading 0x0000000000041468 
    11830  
    11831 File "C:\Program Files\ChimeraX\bin\lib\site-
    11832 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11833 cget(self._c_pointers, n, pointer(values)) 
    11834  
    11835 See log for complete Python traceback. 
    11836  
    11837 Traceback (most recent call last): 
    11838 File "C:\Program Files\ChimeraX\bin\lib\site-
    11839 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11840 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11841 File "C:\Program Files\ChimeraX\bin\lib\site-
    11842 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11843 mouse_pause_tracking 
    11844 self._mouse_pause() 
    11845 File "C:\Program Files\ChimeraX\bin\lib\site-
    11846 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11847 m.pause(self._mouse_pause_position) 
    11848 File "C:\Program Files\ChimeraX\bin\lib\site-
    11849 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11850 p = self.view.picked_object(x, y) 
    11851 File "C:\Program Files\ChimeraX\bin\lib\site-
    11852 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11853 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11854 beyond, 
    11855 File "C:\Program Files\ChimeraX\bin\lib\site-
    11856 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11857 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11858 File "C:\Program Files\ChimeraX\bin\lib\site-
    11859 packages\chimerax\core\models.py", line 126, in first_intercept 
    11860 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11861 File "C:\Program Files\ChimeraX\bin\lib\site-
    11862 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11863 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11864 exclude=exclude) 
    11865 File "C:\Program Files\ChimeraX\bin\lib\site-
    11866 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11867 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11868 File "C:\Program Files\ChimeraX\bin\lib\site-
    11869 packages\chimerax\core\models.py", line 126, in first_intercept 
    11870 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11871 File "C:\Program Files\ChimeraX\bin\lib\site-
    11872 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11873 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11874 exclude=exclude) 
    11875 File "C:\Program Files\ChimeraX\bin\lib\site-
    11876 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11877 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11878 File "C:\Program Files\ChimeraX\bin\lib\site-
    11879 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11880 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11881 File "C:\Program Files\ChimeraX\bin\lib\site-
    11882 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11883 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11884 File "C:\Program Files\ChimeraX\bin\lib\site-
    11885 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11886 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11887 File "C:\Program Files\ChimeraX\bin\lib\site-
    11888 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11889 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11890 File "C:\Program Files\ChimeraX\bin\lib\site-
    11891 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11892 cget(self._c_pointers, n, pointer(values)) 
    11893 OSError: exception: access violation reading 0x0000000000041468 
    11894  
    11895 OSError: exception: access violation reading 0x0000000000041468 
    11896  
    11897 File "C:\Program Files\ChimeraX\bin\lib\site-
    11898 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11899 cget(self._c_pointers, n, pointer(values)) 
    11900  
    11901 See log for complete Python traceback. 
    11902  
    11903 Traceback (most recent call last): 
    11904 File "C:\Program Files\ChimeraX\bin\lib\site-
    11905 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11906 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11907 File "C:\Program Files\ChimeraX\bin\lib\site-
    11908 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11909 mouse_pause_tracking 
    11910 self._mouse_pause() 
    11911 File "C:\Program Files\ChimeraX\bin\lib\site-
    11912 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11913 m.pause(self._mouse_pause_position) 
    11914 File "C:\Program Files\ChimeraX\bin\lib\site-
    11915 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11916 p = self.view.picked_object(x, y) 
    11917 File "C:\Program Files\ChimeraX\bin\lib\site-
    11918 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11919 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11920 beyond, 
    11921 File "C:\Program Files\ChimeraX\bin\lib\site-
    11922 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11923 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11924 File "C:\Program Files\ChimeraX\bin\lib\site-
    11925 packages\chimerax\core\models.py", line 126, in first_intercept 
    11926 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11927 File "C:\Program Files\ChimeraX\bin\lib\site-
    11928 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11929 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11930 exclude=exclude) 
    11931 File "C:\Program Files\ChimeraX\bin\lib\site-
    11932 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11933 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11934 File "C:\Program Files\ChimeraX\bin\lib\site-
    11935 packages\chimerax\core\models.py", line 126, in first_intercept 
    11936 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11937 File "C:\Program Files\ChimeraX\bin\lib\site-
    11938 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11939 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11940 exclude=exclude) 
    11941 File "C:\Program Files\ChimeraX\bin\lib\site-
    11942 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11943 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    11944 File "C:\Program Files\ChimeraX\bin\lib\site-
    11945 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    11946 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    11947 File "C:\Program Files\ChimeraX\bin\lib\site-
    11948 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    11949 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    11950 File "C:\Program Files\ChimeraX\bin\lib\site-
    11951 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    11952 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    11953 File "C:\Program Files\ChimeraX\bin\lib\site-
    11954 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    11955 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    11956 File "C:\Program Files\ChimeraX\bin\lib\site-
    11957 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11958 cget(self._c_pointers, n, pointer(values)) 
    11959 OSError: exception: access violation reading 0x0000000000041468 
    11960  
    11961 OSError: exception: access violation reading 0x0000000000041468 
    11962  
    11963 File "C:\Program Files\ChimeraX\bin\lib\site-
    11964 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    11965 cget(self._c_pointers, n, pointer(values)) 
    11966  
    11967 See log for complete Python traceback. 
    11968  
    11969 Traceback (most recent call last): 
    11970 File "C:\Program Files\ChimeraX\bin\lib\site-
    11971 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    11972 self.session.ui.mouse_modes.mouse_pause_tracking() 
    11973 File "C:\Program Files\ChimeraX\bin\lib\site-
    11974 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    11975 mouse_pause_tracking 
    11976 self._mouse_pause() 
    11977 File "C:\Program Files\ChimeraX\bin\lib\site-
    11978 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    11979 m.pause(self._mouse_pause_position) 
    11980 File "C:\Program Files\ChimeraX\bin\lib\site-
    11981 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    11982 p = self.view.picked_object(x, y) 
    11983 File "C:\Program Files\ChimeraX\bin\lib\site-
    11984 packages\chimerax\graphics\view.py", line 817, in picked_object 
    11985 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    11986 beyond, 
    11987 File "C:\Program Files\ChimeraX\bin\lib\site-
    11988 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    11989 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    11990 File "C:\Program Files\ChimeraX\bin\lib\site-
    11991 packages\chimerax\core\models.py", line 126, in first_intercept 
    11992 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    11993 File "C:\Program Files\ChimeraX\bin\lib\site-
    11994 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    11995 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    11996 exclude=exclude) 
    11997 File "C:\Program Files\ChimeraX\bin\lib\site-
    11998 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    11999 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12000 File "C:\Program Files\ChimeraX\bin\lib\site-
    12001 packages\chimerax\core\models.py", line 126, in first_intercept 
    12002 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12003 File "C:\Program Files\ChimeraX\bin\lib\site-
    12004 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12005 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12006 exclude=exclude) 
    12007 File "C:\Program Files\ChimeraX\bin\lib\site-
    12008 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12009 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12010 File "C:\Program Files\ChimeraX\bin\lib\site-
    12011 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12012 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12013 File "C:\Program Files\ChimeraX\bin\lib\site-
    12014 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12015 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12016 File "C:\Program Files\ChimeraX\bin\lib\site-
    12017 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12018 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12019 File "C:\Program Files\ChimeraX\bin\lib\site-
    12020 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12021 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12022 File "C:\Program Files\ChimeraX\bin\lib\site-
    12023 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12024 cget(self._c_pointers, n, pointer(values)) 
    12025 OSError: exception: access violation reading 0x0000000000041468 
    12026  
    12027 OSError: exception: access violation reading 0x0000000000041468 
    12028  
    12029 File "C:\Program Files\ChimeraX\bin\lib\site-
    12030 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12031 cget(self._c_pointers, n, pointer(values)) 
    12032  
    12033 See log for complete Python traceback. 
    12034  
    12035 Traceback (most recent call last): 
    12036 File "C:\Program Files\ChimeraX\bin\lib\site-
    12037 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12038 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12039 File "C:\Program Files\ChimeraX\bin\lib\site-
    12040 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12041 mouse_pause_tracking 
    12042 self._mouse_pause() 
    12043 File "C:\Program Files\ChimeraX\bin\lib\site-
    12044 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12045 m.pause(self._mouse_pause_position) 
    12046 File "C:\Program Files\ChimeraX\bin\lib\site-
    12047 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12048 p = self.view.picked_object(x, y) 
    12049 File "C:\Program Files\ChimeraX\bin\lib\site-
    12050 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12051 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12052 beyond, 
    12053 File "C:\Program Files\ChimeraX\bin\lib\site-
    12054 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12055 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12056 File "C:\Program Files\ChimeraX\bin\lib\site-
    12057 packages\chimerax\core\models.py", line 126, in first_intercept 
    12058 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12059 File "C:\Program Files\ChimeraX\bin\lib\site-
    12060 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12061 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12062 exclude=exclude) 
    12063 File "C:\Program Files\ChimeraX\bin\lib\site-
    12064 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12065 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12066 File "C:\Program Files\ChimeraX\bin\lib\site-
    12067 packages\chimerax\core\models.py", line 126, in first_intercept 
    12068 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12069 File "C:\Program Files\ChimeraX\bin\lib\site-
    12070 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12071 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12072 exclude=exclude) 
    12073 File "C:\Program Files\ChimeraX\bin\lib\site-
    12074 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12075 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12076 File "C:\Program Files\ChimeraX\bin\lib\site-
    12077 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12078 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12079 File "C:\Program Files\ChimeraX\bin\lib\site-
    12080 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12081 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12082 File "C:\Program Files\ChimeraX\bin\lib\site-
    12083 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12084 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12085 File "C:\Program Files\ChimeraX\bin\lib\site-
    12086 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12087 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12088 File "C:\Program Files\ChimeraX\bin\lib\site-
    12089 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12090 cget(self._c_pointers, n, pointer(values)) 
    12091 OSError: exception: access violation reading 0x0000000000041468 
    12092  
    12093 OSError: exception: access violation reading 0x0000000000041468 
    12094  
    12095 File "C:\Program Files\ChimeraX\bin\lib\site-
    12096 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12097 cget(self._c_pointers, n, pointer(values)) 
    12098  
    12099 See log for complete Python traceback. 
    12100  
    12101 Traceback (most recent call last): 
    12102 File "C:\Program Files\ChimeraX\bin\lib\site-
    12103 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12104 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12105 File "C:\Program Files\ChimeraX\bin\lib\site-
    12106 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12107 mouse_pause_tracking 
    12108 self._mouse_pause() 
    12109 File "C:\Program Files\ChimeraX\bin\lib\site-
    12110 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12111 m.pause(self._mouse_pause_position) 
    12112 File "C:\Program Files\ChimeraX\bin\lib\site-
    12113 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12114 p = self.view.picked_object(x, y) 
    12115 File "C:\Program Files\ChimeraX\bin\lib\site-
    12116 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12117 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12118 beyond, 
    12119 File "C:\Program Files\ChimeraX\bin\lib\site-
    12120 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12121 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12122 File "C:\Program Files\ChimeraX\bin\lib\site-
    12123 packages\chimerax\core\models.py", line 126, in first_intercept 
    12124 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12125 File "C:\Program Files\ChimeraX\bin\lib\site-
    12126 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12127 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12128 exclude=exclude) 
    12129 File "C:\Program Files\ChimeraX\bin\lib\site-
    12130 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12131 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12132 File "C:\Program Files\ChimeraX\bin\lib\site-
    12133 packages\chimerax\core\models.py", line 126, in first_intercept 
    12134 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12135 File "C:\Program Files\ChimeraX\bin\lib\site-
    12136 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12137 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12138 exclude=exclude) 
    12139 File "C:\Program Files\ChimeraX\bin\lib\site-
    12140 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12141 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12142 File "C:\Program Files\ChimeraX\bin\lib\site-
    12143 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12144 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12145 File "C:\Program Files\ChimeraX\bin\lib\site-
    12146 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12147 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12148 File "C:\Program Files\ChimeraX\bin\lib\site-
    12149 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12150 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12151 File "C:\Program Files\ChimeraX\bin\lib\site-
    12152 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12153 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12154 File "C:\Program Files\ChimeraX\bin\lib\site-
    12155 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12156 cget(self._c_pointers, n, pointer(values)) 
    12157 OSError: exception: access violation reading 0x0000000000041468 
    12158  
    12159 OSError: exception: access violation reading 0x0000000000041468 
    12160  
    12161 File "C:\Program Files\ChimeraX\bin\lib\site-
    12162 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12163 cget(self._c_pointers, n, pointer(values)) 
    12164  
    12165 See log for complete Python traceback. 
    12166  
    12167 Traceback (most recent call last): 
    12168 File "C:\Program Files\ChimeraX\bin\lib\site-
    12169 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12170 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12171 File "C:\Program Files\ChimeraX\bin\lib\site-
    12172 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12173 mouse_pause_tracking 
    12174 self._mouse_pause() 
    12175 File "C:\Program Files\ChimeraX\bin\lib\site-
    12176 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12177 m.pause(self._mouse_pause_position) 
    12178 File "C:\Program Files\ChimeraX\bin\lib\site-
    12179 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12180 p = self.view.picked_object(x, y) 
    12181 File "C:\Program Files\ChimeraX\bin\lib\site-
    12182 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12183 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12184 beyond, 
    12185 File "C:\Program Files\ChimeraX\bin\lib\site-
    12186 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12187 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12188 File "C:\Program Files\ChimeraX\bin\lib\site-
    12189 packages\chimerax\core\models.py", line 126, in first_intercept 
    12190 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12191 File "C:\Program Files\ChimeraX\bin\lib\site-
    12192 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12193 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12194 exclude=exclude) 
    12195 File "C:\Program Files\ChimeraX\bin\lib\site-
    12196 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12197 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12198 File "C:\Program Files\ChimeraX\bin\lib\site-
    12199 packages\chimerax\core\models.py", line 126, in first_intercept 
    12200 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12201 File "C:\Program Files\ChimeraX\bin\lib\site-
    12202 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12203 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12204 exclude=exclude) 
    12205 File "C:\Program Files\ChimeraX\bin\lib\site-
    12206 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12207 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12208 File "C:\Program Files\ChimeraX\bin\lib\site-
    12209 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12210 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12211 File "C:\Program Files\ChimeraX\bin\lib\site-
    12212 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12213 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12214 File "C:\Program Files\ChimeraX\bin\lib\site-
    12215 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12216 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12217 File "C:\Program Files\ChimeraX\bin\lib\site-
    12218 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12219 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12220 File "C:\Program Files\ChimeraX\bin\lib\site-
    12221 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12222 cget(self._c_pointers, n, pointer(values)) 
    12223 OSError: exception: access violation reading 0x0000000000041468 
    12224  
    12225 OSError: exception: access violation reading 0x0000000000041468 
    12226  
    12227 File "C:\Program Files\ChimeraX\bin\lib\site-
    12228 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12229 cget(self._c_pointers, n, pointer(values)) 
    12230  
    12231 See log for complete Python traceback. 
    12232  
    12233 Traceback (most recent call last): 
    12234 File "C:\Program Files\ChimeraX\bin\lib\site-
    12235 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12236 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12237 File "C:\Program Files\ChimeraX\bin\lib\site-
    12238 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12239 mouse_pause_tracking 
    12240 self._mouse_pause() 
    12241 File "C:\Program Files\ChimeraX\bin\lib\site-
    12242 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12243 m.pause(self._mouse_pause_position) 
    12244 File "C:\Program Files\ChimeraX\bin\lib\site-
    12245 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12246 p = self.view.picked_object(x, y) 
    12247 File "C:\Program Files\ChimeraX\bin\lib\site-
    12248 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12249 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12250 beyond, 
    12251 File "C:\Program Files\ChimeraX\bin\lib\site-
    12252 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12253 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12254 File "C:\Program Files\ChimeraX\bin\lib\site-
    12255 packages\chimerax\core\models.py", line 126, in first_intercept 
    12256 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12257 File "C:\Program Files\ChimeraX\bin\lib\site-
    12258 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12259 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12260 exclude=exclude) 
    12261 File "C:\Program Files\ChimeraX\bin\lib\site-
    12262 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12263 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12264 File "C:\Program Files\ChimeraX\bin\lib\site-
    12265 packages\chimerax\core\models.py", line 126, in first_intercept 
    12266 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12267 File "C:\Program Files\ChimeraX\bin\lib\site-
    12268 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12269 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12270 exclude=exclude) 
    12271 File "C:\Program Files\ChimeraX\bin\lib\site-
    12272 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12273 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12274 File "C:\Program Files\ChimeraX\bin\lib\site-
    12275 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12276 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12277 File "C:\Program Files\ChimeraX\bin\lib\site-
    12278 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12279 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12280 File "C:\Program Files\ChimeraX\bin\lib\site-
    12281 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12282 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12283 File "C:\Program Files\ChimeraX\bin\lib\site-
    12284 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12285 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12286 File "C:\Program Files\ChimeraX\bin\lib\site-
    12287 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12288 cget(self._c_pointers, n, pointer(values)) 
    12289 OSError: exception: access violation reading 0x0000000000041468 
    12290  
    12291 OSError: exception: access violation reading 0x0000000000041468 
    12292  
    12293 File "C:\Program Files\ChimeraX\bin\lib\site-
    12294 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12295 cget(self._c_pointers, n, pointer(values)) 
    12296  
    12297 See log for complete Python traceback. 
    12298  
    12299 Traceback (most recent call last): 
    12300 File "C:\Program Files\ChimeraX\bin\lib\site-
    12301 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12302 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12303 File "C:\Program Files\ChimeraX\bin\lib\site-
    12304 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12305 mouse_pause_tracking 
    12306 self._mouse_pause() 
    12307 File "C:\Program Files\ChimeraX\bin\lib\site-
    12308 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12309 m.pause(self._mouse_pause_position) 
    12310 File "C:\Program Files\ChimeraX\bin\lib\site-
    12311 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12312 p = self.view.picked_object(x, y) 
    12313 File "C:\Program Files\ChimeraX\bin\lib\site-
    12314 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12315 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12316 beyond, 
    12317 File "C:\Program Files\ChimeraX\bin\lib\site-
    12318 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12319 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12320 File "C:\Program Files\ChimeraX\bin\lib\site-
    12321 packages\chimerax\core\models.py", line 126, in first_intercept 
    12322 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12323 File "C:\Program Files\ChimeraX\bin\lib\site-
    12324 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12325 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12326 exclude=exclude) 
    12327 File "C:\Program Files\ChimeraX\bin\lib\site-
    12328 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12329 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12330 File "C:\Program Files\ChimeraX\bin\lib\site-
    12331 packages\chimerax\core\models.py", line 126, in first_intercept 
    12332 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12333 File "C:\Program Files\ChimeraX\bin\lib\site-
    12334 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12335 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12336 exclude=exclude) 
    12337 File "C:\Program Files\ChimeraX\bin\lib\site-
    12338 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12339 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12340 File "C:\Program Files\ChimeraX\bin\lib\site-
    12341 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12342 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12343 File "C:\Program Files\ChimeraX\bin\lib\site-
    12344 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12345 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12346 File "C:\Program Files\ChimeraX\bin\lib\site-
    12347 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12348 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12349 File "C:\Program Files\ChimeraX\bin\lib\site-
    12350 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12351 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12352 File "C:\Program Files\ChimeraX\bin\lib\site-
    12353 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12354 cget(self._c_pointers, n, pointer(values)) 
    12355 OSError: exception: access violation reading 0x0000000000041468 
    12356  
    12357 OSError: exception: access violation reading 0x0000000000041468 
    12358  
    12359 File "C:\Program Files\ChimeraX\bin\lib\site-
    12360 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12361 cget(self._c_pointers, n, pointer(values)) 
    12362  
    12363 See log for complete Python traceback. 
    12364  
    12365 Traceback (most recent call last): 
    12366 File "C:\Program Files\ChimeraX\bin\lib\site-
    12367 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12368 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12369 File "C:\Program Files\ChimeraX\bin\lib\site-
    12370 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12371 mouse_pause_tracking 
    12372 self._mouse_pause() 
    12373 File "C:\Program Files\ChimeraX\bin\lib\site-
    12374 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12375 m.pause(self._mouse_pause_position) 
    12376 File "C:\Program Files\ChimeraX\bin\lib\site-
    12377 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12378 p = self.view.picked_object(x, y) 
    12379 File "C:\Program Files\ChimeraX\bin\lib\site-
    12380 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12381 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12382 beyond, 
    12383 File "C:\Program Files\ChimeraX\bin\lib\site-
    12384 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12385 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12386 File "C:\Program Files\ChimeraX\bin\lib\site-
    12387 packages\chimerax\core\models.py", line 126, in first_intercept 
    12388 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12389 File "C:\Program Files\ChimeraX\bin\lib\site-
    12390 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12391 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12392 exclude=exclude) 
    12393 File "C:\Program Files\ChimeraX\bin\lib\site-
    12394 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12395 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12396 File "C:\Program Files\ChimeraX\bin\lib\site-
    12397 packages\chimerax\core\models.py", line 126, in first_intercept 
    12398 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12399 File "C:\Program Files\ChimeraX\bin\lib\site-
    12400 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12401 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12402 exclude=exclude) 
    12403 File "C:\Program Files\ChimeraX\bin\lib\site-
    12404 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12405 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12406 File "C:\Program Files\ChimeraX\bin\lib\site-
    12407 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12408 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12409 File "C:\Program Files\ChimeraX\bin\lib\site-
    12410 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12411 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12412 File "C:\Program Files\ChimeraX\bin\lib\site-
    12413 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12414 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12415 File "C:\Program Files\ChimeraX\bin\lib\site-
    12416 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12417 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12418 File "C:\Program Files\ChimeraX\bin\lib\site-
    12419 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12420 cget(self._c_pointers, n, pointer(values)) 
    12421 OSError: exception: access violation reading 0x0000000000041468 
    12422  
    12423 OSError: exception: access violation reading 0x0000000000041468 
    12424  
    12425 File "C:\Program Files\ChimeraX\bin\lib\site-
    12426 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12427 cget(self._c_pointers, n, pointer(values)) 
    12428  
    12429 See log for complete Python traceback. 
    12430  
    12431 Traceback (most recent call last): 
    12432 File "C:\Program Files\ChimeraX\bin\lib\site-
    12433 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12434 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12435 File "C:\Program Files\ChimeraX\bin\lib\site-
    12436 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12437 mouse_pause_tracking 
    12438 self._mouse_pause() 
    12439 File "C:\Program Files\ChimeraX\bin\lib\site-
    12440 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12441 m.pause(self._mouse_pause_position) 
    12442 File "C:\Program Files\ChimeraX\bin\lib\site-
    12443 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12444 p = self.view.picked_object(x, y) 
    12445 File "C:\Program Files\ChimeraX\bin\lib\site-
    12446 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12447 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12448 beyond, 
    12449 File "C:\Program Files\ChimeraX\bin\lib\site-
    12450 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12451 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12452 File "C:\Program Files\ChimeraX\bin\lib\site-
    12453 packages\chimerax\core\models.py", line 126, in first_intercept 
    12454 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12455 File "C:\Program Files\ChimeraX\bin\lib\site-
    12456 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12457 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12458 exclude=exclude) 
    12459 File "C:\Program Files\ChimeraX\bin\lib\site-
    12460 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12461 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12462 File "C:\Program Files\ChimeraX\bin\lib\site-
    12463 packages\chimerax\core\models.py", line 126, in first_intercept 
    12464 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12465 File "C:\Program Files\ChimeraX\bin\lib\site-
    12466 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12467 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12468 exclude=exclude) 
    12469 File "C:\Program Files\ChimeraX\bin\lib\site-
    12470 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12471 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12472 File "C:\Program Files\ChimeraX\bin\lib\site-
    12473 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12474 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12475 File "C:\Program Files\ChimeraX\bin\lib\site-
    12476 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12477 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12478 File "C:\Program Files\ChimeraX\bin\lib\site-
    12479 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12480 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12481 File "C:\Program Files\ChimeraX\bin\lib\site-
    12482 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12483 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12484 File "C:\Program Files\ChimeraX\bin\lib\site-
    12485 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12486 cget(self._c_pointers, n, pointer(values)) 
    12487 OSError: exception: access violation reading 0x0000000000041468 
    12488  
    12489 OSError: exception: access violation reading 0x0000000000041468 
    12490  
    12491 File "C:\Program Files\ChimeraX\bin\lib\site-
    12492 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12493 cget(self._c_pointers, n, pointer(values)) 
    12494  
    12495 See log for complete Python traceback. 
    12496  
    12497 Traceback (most recent call last): 
    12498 File "C:\Program Files\ChimeraX\bin\lib\site-
    12499 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12500 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12501 File "C:\Program Files\ChimeraX\bin\lib\site-
    12502 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12503 mouse_pause_tracking 
    12504 self._mouse_pause() 
    12505 File "C:\Program Files\ChimeraX\bin\lib\site-
    12506 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12507 m.pause(self._mouse_pause_position) 
    12508 File "C:\Program Files\ChimeraX\bin\lib\site-
    12509 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12510 p = self.view.picked_object(x, y) 
    12511 File "C:\Program Files\ChimeraX\bin\lib\site-
    12512 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12513 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12514 beyond, 
    12515 File "C:\Program Files\ChimeraX\bin\lib\site-
    12516 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12517 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12518 File "C:\Program Files\ChimeraX\bin\lib\site-
    12519 packages\chimerax\core\models.py", line 126, in first_intercept 
    12520 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12521 File "C:\Program Files\ChimeraX\bin\lib\site-
    12522 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12523 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12524 exclude=exclude) 
    12525 File "C:\Program Files\ChimeraX\bin\lib\site-
    12526 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12527 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12528 File "C:\Program Files\ChimeraX\bin\lib\site-
    12529 packages\chimerax\core\models.py", line 126, in first_intercept 
    12530 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12531 File "C:\Program Files\ChimeraX\bin\lib\site-
    12532 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12533 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12534 exclude=exclude) 
    12535 File "C:\Program Files\ChimeraX\bin\lib\site-
    12536 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12537 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12538 File "C:\Program Files\ChimeraX\bin\lib\site-
    12539 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12540 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12541 File "C:\Program Files\ChimeraX\bin\lib\site-
    12542 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12543 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12544 File "C:\Program Files\ChimeraX\bin\lib\site-
    12545 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12546 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12547 File "C:\Program Files\ChimeraX\bin\lib\site-
    12548 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12549 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12550 File "C:\Program Files\ChimeraX\bin\lib\site-
    12551 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12552 cget(self._c_pointers, n, pointer(values)) 
    12553 OSError: exception: access violation reading 0x0000000000041468 
    12554  
    12555 OSError: exception: access violation reading 0x0000000000041468 
    12556  
    12557 File "C:\Program Files\ChimeraX\bin\lib\site-
    12558 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12559 cget(self._c_pointers, n, pointer(values)) 
    12560  
    12561 See log for complete Python traceback. 
    12562  
    12563 Traceback (most recent call last): 
    12564 File "C:\Program Files\ChimeraX\bin\lib\site-
    12565 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12566 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12567 File "C:\Program Files\ChimeraX\bin\lib\site-
    12568 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12569 mouse_pause_tracking 
    12570 self._mouse_pause() 
    12571 File "C:\Program Files\ChimeraX\bin\lib\site-
    12572 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12573 m.pause(self._mouse_pause_position) 
    12574 File "C:\Program Files\ChimeraX\bin\lib\site-
    12575 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12576 p = self.view.picked_object(x, y) 
    12577 File "C:\Program Files\ChimeraX\bin\lib\site-
    12578 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12579 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12580 beyond, 
    12581 File "C:\Program Files\ChimeraX\bin\lib\site-
    12582 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12583 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12584 File "C:\Program Files\ChimeraX\bin\lib\site-
    12585 packages\chimerax\core\models.py", line 126, in first_intercept 
    12586 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12587 File "C:\Program Files\ChimeraX\bin\lib\site-
    12588 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12589 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12590 exclude=exclude) 
    12591 File "C:\Program Files\ChimeraX\bin\lib\site-
    12592 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12593 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12594 File "C:\Program Files\ChimeraX\bin\lib\site-
    12595 packages\chimerax\core\models.py", line 126, in first_intercept 
    12596 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12597 File "C:\Program Files\ChimeraX\bin\lib\site-
    12598 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12599 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12600 exclude=exclude) 
    12601 File "C:\Program Files\ChimeraX\bin\lib\site-
    12602 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12603 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12604 File "C:\Program Files\ChimeraX\bin\lib\site-
    12605 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12606 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12607 File "C:\Program Files\ChimeraX\bin\lib\site-
    12608 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12609 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12610 File "C:\Program Files\ChimeraX\bin\lib\site-
    12611 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12612 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12613 File "C:\Program Files\ChimeraX\bin\lib\site-
    12614 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12615 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12616 File "C:\Program Files\ChimeraX\bin\lib\site-
    12617 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12618 cget(self._c_pointers, n, pointer(values)) 
    12619 OSError: exception: access violation reading 0x0000000000041468 
    12620  
    12621 OSError: exception: access violation reading 0x0000000000041468 
    12622  
    12623 File "C:\Program Files\ChimeraX\bin\lib\site-
    12624 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12625 cget(self._c_pointers, n, pointer(values)) 
    12626  
    12627 See log for complete Python traceback. 
    12628  
    12629 Traceback (most recent call last): 
    12630 File "C:\Program Files\ChimeraX\bin\lib\site-
    12631 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12632 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12633 File "C:\Program Files\ChimeraX\bin\lib\site-
    12634 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12635 mouse_pause_tracking 
    12636 self._mouse_pause() 
    12637 File "C:\Program Files\ChimeraX\bin\lib\site-
    12638 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12639 m.pause(self._mouse_pause_position) 
    12640 File "C:\Program Files\ChimeraX\bin\lib\site-
    12641 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12642 p = self.view.picked_object(x, y) 
    12643 File "C:\Program Files\ChimeraX\bin\lib\site-
    12644 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12645 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12646 beyond, 
    12647 File "C:\Program Files\ChimeraX\bin\lib\site-
    12648 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12649 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12650 File "C:\Program Files\ChimeraX\bin\lib\site-
    12651 packages\chimerax\core\models.py", line 126, in first_intercept 
    12652 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12653 File "C:\Program Files\ChimeraX\bin\lib\site-
    12654 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12655 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12656 exclude=exclude) 
    12657 File "C:\Program Files\ChimeraX\bin\lib\site-
    12658 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12659 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12660 File "C:\Program Files\ChimeraX\bin\lib\site-
    12661 packages\chimerax\core\models.py", line 126, in first_intercept 
    12662 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12663 File "C:\Program Files\ChimeraX\bin\lib\site-
    12664 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12665 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12666 exclude=exclude) 
    12667 File "C:\Program Files\ChimeraX\bin\lib\site-
    12668 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12669 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12670 File "C:\Program Files\ChimeraX\bin\lib\site-
    12671 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12672 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12673 File "C:\Program Files\ChimeraX\bin\lib\site-
    12674 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12675 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12676 File "C:\Program Files\ChimeraX\bin\lib\site-
    12677 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12678 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12679 File "C:\Program Files\ChimeraX\bin\lib\site-
    12680 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12681 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12682 File "C:\Program Files\ChimeraX\bin\lib\site-
    12683 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12684 cget(self._c_pointers, n, pointer(values)) 
    12685 OSError: exception: access violation reading 0x0000000000041468 
    12686  
    12687 OSError: exception: access violation reading 0x0000000000041468 
    12688  
    12689 File "C:\Program Files\ChimeraX\bin\lib\site-
    12690 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12691 cget(self._c_pointers, n, pointer(values)) 
    12692  
    12693 See log for complete Python traceback. 
    12694  
    12695 Traceback (most recent call last): 
    12696 File "C:\Program Files\ChimeraX\bin\lib\site-
    12697 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12698 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12699 File "C:\Program Files\ChimeraX\bin\lib\site-
    12700 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12701 mouse_pause_tracking 
    12702 self._mouse_pause() 
    12703 File "C:\Program Files\ChimeraX\bin\lib\site-
    12704 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12705 m.pause(self._mouse_pause_position) 
    12706 File "C:\Program Files\ChimeraX\bin\lib\site-
    12707 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12708 p = self.view.picked_object(x, y) 
    12709 File "C:\Program Files\ChimeraX\bin\lib\site-
    12710 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12711 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12712 beyond, 
    12713 File "C:\Program Files\ChimeraX\bin\lib\site-
    12714 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12715 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12716 File "C:\Program Files\ChimeraX\bin\lib\site-
    12717 packages\chimerax\core\models.py", line 126, in first_intercept 
    12718 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12719 File "C:\Program Files\ChimeraX\bin\lib\site-
    12720 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12721 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12722 exclude=exclude) 
    12723 File "C:\Program Files\ChimeraX\bin\lib\site-
    12724 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12725 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12726 File "C:\Program Files\ChimeraX\bin\lib\site-
    12727 packages\chimerax\core\models.py", line 126, in first_intercept 
    12728 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12729 File "C:\Program Files\ChimeraX\bin\lib\site-
    12730 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12731 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12732 exclude=exclude) 
    12733 File "C:\Program Files\ChimeraX\bin\lib\site-
    12734 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12735 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12736 File "C:\Program Files\ChimeraX\bin\lib\site-
    12737 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12738 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12739 File "C:\Program Files\ChimeraX\bin\lib\site-
    12740 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12741 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12742 File "C:\Program Files\ChimeraX\bin\lib\site-
    12743 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12744 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12745 File "C:\Program Files\ChimeraX\bin\lib\site-
    12746 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12747 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12748 File "C:\Program Files\ChimeraX\bin\lib\site-
    12749 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12750 cget(self._c_pointers, n, pointer(values)) 
    12751 OSError: exception: access violation reading 0x0000000000041468 
    12752  
    12753 OSError: exception: access violation reading 0x0000000000041468 
    12754  
    12755 File "C:\Program Files\ChimeraX\bin\lib\site-
    12756 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12757 cget(self._c_pointers, n, pointer(values)) 
    12758  
    12759 See log for complete Python traceback. 
    12760  
    12761 Traceback (most recent call last): 
    12762 File "C:\Program Files\ChimeraX\bin\lib\site-
    12763 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12764 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12765 File "C:\Program Files\ChimeraX\bin\lib\site-
    12766 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12767 mouse_pause_tracking 
    12768 self._mouse_pause() 
    12769 File "C:\Program Files\ChimeraX\bin\lib\site-
    12770 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12771 m.pause(self._mouse_pause_position) 
    12772 File "C:\Program Files\ChimeraX\bin\lib\site-
    12773 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12774 p = self.view.picked_object(x, y) 
    12775 File "C:\Program Files\ChimeraX\bin\lib\site-
    12776 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12777 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12778 beyond, 
    12779 File "C:\Program Files\ChimeraX\bin\lib\site-
    12780 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12781 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12782 File "C:\Program Files\ChimeraX\bin\lib\site-
    12783 packages\chimerax\core\models.py", line 126, in first_intercept 
    12784 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12785 File "C:\Program Files\ChimeraX\bin\lib\site-
    12786 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12787 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12788 exclude=exclude) 
    12789 File "C:\Program Files\ChimeraX\bin\lib\site-
    12790 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12791 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12792 File "C:\Program Files\ChimeraX\bin\lib\site-
    12793 packages\chimerax\core\models.py", line 126, in first_intercept 
    12794 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12795 File "C:\Program Files\ChimeraX\bin\lib\site-
    12796 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12797 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12798 exclude=exclude) 
    12799 File "C:\Program Files\ChimeraX\bin\lib\site-
    12800 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12801 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12802 File "C:\Program Files\ChimeraX\bin\lib\site-
    12803 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12804 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12805 File "C:\Program Files\ChimeraX\bin\lib\site-
    12806 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12807 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12808 File "C:\Program Files\ChimeraX\bin\lib\site-
    12809 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12810 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12811 File "C:\Program Files\ChimeraX\bin\lib\site-
    12812 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12813 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12814 File "C:\Program Files\ChimeraX\bin\lib\site-
    12815 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12816 cget(self._c_pointers, n, pointer(values)) 
    12817 OSError: exception: access violation reading 0x0000000000041468 
    12818  
    12819 OSError: exception: access violation reading 0x0000000000041468 
    12820  
    12821 File "C:\Program Files\ChimeraX\bin\lib\site-
    12822 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12823 cget(self._c_pointers, n, pointer(values)) 
    12824  
    12825 See log for complete Python traceback. 
    12826  
    12827 Traceback (most recent call last): 
    12828 File "C:\Program Files\ChimeraX\bin\lib\site-
    12829 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12830 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12831 File "C:\Program Files\ChimeraX\bin\lib\site-
    12832 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12833 mouse_pause_tracking 
    12834 self._mouse_pause() 
    12835 File "C:\Program Files\ChimeraX\bin\lib\site-
    12836 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12837 m.pause(self._mouse_pause_position) 
    12838 File "C:\Program Files\ChimeraX\bin\lib\site-
    12839 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12840 p = self.view.picked_object(x, y) 
    12841 File "C:\Program Files\ChimeraX\bin\lib\site-
    12842 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12843 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12844 beyond, 
    12845 File "C:\Program Files\ChimeraX\bin\lib\site-
    12846 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12847 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12848 File "C:\Program Files\ChimeraX\bin\lib\site-
    12849 packages\chimerax\core\models.py", line 126, in first_intercept 
    12850 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12851 File "C:\Program Files\ChimeraX\bin\lib\site-
    12852 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12853 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12854 exclude=exclude) 
    12855 File "C:\Program Files\ChimeraX\bin\lib\site-
    12856 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12857 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12858 File "C:\Program Files\ChimeraX\bin\lib\site-
    12859 packages\chimerax\core\models.py", line 126, in first_intercept 
    12860 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12861 File "C:\Program Files\ChimeraX\bin\lib\site-
    12862 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12863 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12864 exclude=exclude) 
    12865 File "C:\Program Files\ChimeraX\bin\lib\site-
    12866 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12867 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12868 File "C:\Program Files\ChimeraX\bin\lib\site-
    12869 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12870 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12871 File "C:\Program Files\ChimeraX\bin\lib\site-
    12872 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12873 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12874 File "C:\Program Files\ChimeraX\bin\lib\site-
    12875 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12876 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12877 File "C:\Program Files\ChimeraX\bin\lib\site-
    12878 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12879 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12880 File "C:\Program Files\ChimeraX\bin\lib\site-
    12881 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12882 cget(self._c_pointers, n, pointer(values)) 
    12883 OSError: exception: access violation reading 0x0000000000041468 
    12884  
    12885 OSError: exception: access violation reading 0x0000000000041468 
    12886  
    12887 File "C:\Program Files\ChimeraX\bin\lib\site-
    12888 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12889 cget(self._c_pointers, n, pointer(values)) 
    12890  
    12891 See log for complete Python traceback. 
    12892  
    12893 Traceback (most recent call last): 
    12894 File "C:\Program Files\ChimeraX\bin\lib\site-
    12895 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12896 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12897 File "C:\Program Files\ChimeraX\bin\lib\site-
    12898 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12899 mouse_pause_tracking 
    12900 self._mouse_pause() 
    12901 File "C:\Program Files\ChimeraX\bin\lib\site-
    12902 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12903 m.pause(self._mouse_pause_position) 
    12904 File "C:\Program Files\ChimeraX\bin\lib\site-
    12905 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12906 p = self.view.picked_object(x, y) 
    12907 File "C:\Program Files\ChimeraX\bin\lib\site-
    12908 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12909 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12910 beyond, 
    12911 File "C:\Program Files\ChimeraX\bin\lib\site-
    12912 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12913 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12914 File "C:\Program Files\ChimeraX\bin\lib\site-
    12915 packages\chimerax\core\models.py", line 126, in first_intercept 
    12916 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12917 File "C:\Program Files\ChimeraX\bin\lib\site-
    12918 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12919 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12920 exclude=exclude) 
    12921 File "C:\Program Files\ChimeraX\bin\lib\site-
    12922 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12923 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12924 File "C:\Program Files\ChimeraX\bin\lib\site-
    12925 packages\chimerax\core\models.py", line 126, in first_intercept 
    12926 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12927 File "C:\Program Files\ChimeraX\bin\lib\site-
    12928 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12929 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12930 exclude=exclude) 
    12931 File "C:\Program Files\ChimeraX\bin\lib\site-
    12932 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12933 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12934 File "C:\Program Files\ChimeraX\bin\lib\site-
    12935 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    12936 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    12937 File "C:\Program Files\ChimeraX\bin\lib\site-
    12938 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    12939 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    12940 File "C:\Program Files\ChimeraX\bin\lib\site-
    12941 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    12942 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    12943 File "C:\Program Files\ChimeraX\bin\lib\site-
    12944 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    12945 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    12946 File "C:\Program Files\ChimeraX\bin\lib\site-
    12947 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12948 cget(self._c_pointers, n, pointer(values)) 
    12949 OSError: exception: access violation reading 0x0000000000041468 
    12950  
    12951 OSError: exception: access violation reading 0x0000000000041468 
    12952  
    12953 File "C:\Program Files\ChimeraX\bin\lib\site-
    12954 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    12955 cget(self._c_pointers, n, pointer(values)) 
    12956  
    12957 See log for complete Python traceback. 
    12958  
    12959 Traceback (most recent call last): 
    12960 File "C:\Program Files\ChimeraX\bin\lib\site-
    12961 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    12962 self.session.ui.mouse_modes.mouse_pause_tracking() 
    12963 File "C:\Program Files\ChimeraX\bin\lib\site-
    12964 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    12965 mouse_pause_tracking 
    12966 self._mouse_pause() 
    12967 File "C:\Program Files\ChimeraX\bin\lib\site-
    12968 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    12969 m.pause(self._mouse_pause_position) 
    12970 File "C:\Program Files\ChimeraX\bin\lib\site-
    12971 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    12972 p = self.view.picked_object(x, y) 
    12973 File "C:\Program Files\ChimeraX\bin\lib\site-
    12974 packages\chimerax\graphics\view.py", line 817, in picked_object 
    12975 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    12976 beyond, 
    12977 File "C:\Program Files\ChimeraX\bin\lib\site-
    12978 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    12979 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    12980 File "C:\Program Files\ChimeraX\bin\lib\site-
    12981 packages\chimerax\core\models.py", line 126, in first_intercept 
    12982 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12983 File "C:\Program Files\ChimeraX\bin\lib\site-
    12984 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12985 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12986 exclude=exclude) 
    12987 File "C:\Program Files\ChimeraX\bin\lib\site-
    12988 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12989 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    12990 File "C:\Program Files\ChimeraX\bin\lib\site-
    12991 packages\chimerax\core\models.py", line 126, in first_intercept 
    12992 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    12993 File "C:\Program Files\ChimeraX\bin\lib\site-
    12994 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    12995 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    12996 exclude=exclude) 
    12997 File "C:\Program Files\ChimeraX\bin\lib\site-
    12998 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    12999 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    13000 File "C:\Program Files\ChimeraX\bin\lib\site-
    13001 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    13002 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    13003 File "C:\Program Files\ChimeraX\bin\lib\site-
    13004 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    13005 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    13006 File "C:\Program Files\ChimeraX\bin\lib\site-
    13007 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    13008 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    13009 File "C:\Program Files\ChimeraX\bin\lib\site-
    13010 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    13011 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    13012 File "C:\Program Files\ChimeraX\bin\lib\site-
    13013 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    13014 cget(self._c_pointers, n, pointer(values)) 
    13015 OSError: exception: access violation reading 0x0000000000041468 
    13016  
    13017 OSError: exception: access violation reading 0x0000000000041468 
    13018  
    13019 File "C:\Program Files\ChimeraX\bin\lib\site-
    13020 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    13021 cget(self._c_pointers, n, pointer(values)) 
    13022  
    13023 See log for complete Python traceback. 
    13024  
    13025 Traceback (most recent call last): 
    13026 File "C:\Program Files\ChimeraX\bin\lib\site-
    13027 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    13028 self.session.ui.mouse_modes.mouse_pause_tracking() 
    13029 File "C:\Program Files\ChimeraX\bin\lib\site-
    13030 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    13031 mouse_pause_tracking 
    13032 self._mouse_pause() 
    13033 File "C:\Program Files\ChimeraX\bin\lib\site-
    13034 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    13035 m.pause(self._mouse_pause_position) 
    13036 File "C:\Program Files\ChimeraX\bin\lib\site-
    13037 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    13038 p = self.view.picked_object(x, y) 
    13039 File "C:\Program Files\ChimeraX\bin\lib\site-
    13040 packages\chimerax\graphics\view.py", line 817, in picked_object 
    13041 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    13042 beyond, 
    13043 File "C:\Program Files\ChimeraX\bin\lib\site-
    13044 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    13045 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    13046 File "C:\Program Files\ChimeraX\bin\lib\site-
    13047 packages\chimerax\core\models.py", line 126, in first_intercept 
    13048 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    13049 File "C:\Program Files\ChimeraX\bin\lib\site-
    13050 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    13051 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    13052 exclude=exclude) 
    13053 File "C:\Program Files\ChimeraX\bin\lib\site-
    13054 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    13055 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    13056 File "C:\Program Files\ChimeraX\bin\lib\site-
    13057 packages\chimerax\core\models.py", line 126, in first_intercept 
    13058 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    13059 File "C:\Program Files\ChimeraX\bin\lib\site-
    13060 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    13061 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    13062 exclude=exclude) 
    13063 File "C:\Program Files\ChimeraX\bin\lib\site-
    13064 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    13065 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    13066 File "C:\Program Files\ChimeraX\bin\lib\site-
    13067 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    13068 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    13069 File "C:\Program Files\ChimeraX\bin\lib\site-
    13070 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    13071 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    13072 File "C:\Program Files\ChimeraX\bin\lib\site-
    13073 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    13074 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    13075 File "C:\Program Files\ChimeraX\bin\lib\site-
    13076 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    13077 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    13078 File "C:\Program Files\ChimeraX\bin\lib\site-
    13079 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    13080 cget(self._c_pointers, n, pointer(values)) 
    13081 OSError: exception: access violation reading 0x0000000000041468 
    13082  
    13083 OSError: exception: access violation reading 0x0000000000041468 
    13084  
    13085 File "C:\Program Files\ChimeraX\bin\lib\site-
    13086 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    13087 cget(self._c_pointers, n, pointer(values)) 
    13088  
    13089 See log for complete Python traceback. 
    13090  
    13091 Traceback (most recent call last): 
    13092 File "C:\Program Files\ChimeraX\bin\lib\site-
    13093 packages\chimerax\core\updateloop.py", line 140, in _redraw_timer_callback 
    13094 self.session.ui.mouse_modes.mouse_pause_tracking() 
    13095 File "C:\Program Files\ChimeraX\bin\lib\site-
    13096 packages\chimerax\mouse_modes\mousemodes.py", line 493, in
    13097 mouse_pause_tracking 
    13098 self._mouse_pause() 
    13099 File "C:\Program Files\ChimeraX\bin\lib\site-
    13100 packages\chimerax\mouse_modes\mousemodes.py", line 628, in _mouse_pause 
    13101 m.pause(self._mouse_pause_position) 
    13102 File "C:\Program Files\ChimeraX\bin\lib\site-
    13103 packages\chimerax\mouse_modes\std_modes.py", line 779, in pause 
    13104 p = self.view.picked_object(x, y) 
    13105 File "C:\Program Files\ChimeraX\bin\lib\site-
    13106 packages\chimerax\graphics\view.py", line 817, in picked_object 
    13107 p = self.picked_object_on_segment(xyz1, xyz2, exclude = exclude, beyond =
    13108 beyond, 
    13109 File "C:\Program Files\ChimeraX\bin\lib\site-
    13110 packages\chimerax\graphics\view.py", line 849, in picked_object_on_segment 
    13111 p = self.drawing.first_intercept(xyz1, xyz2, exclude=exclude) 
    13112 File "C:\Program Files\ChimeraX\bin\lib\site-
    13113 packages\chimerax\core\models.py", line 126, in first_intercept 
    13114 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    13115 File "C:\Program Files\ChimeraX\bin\lib\site-
    13116 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    13117 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    13118 exclude=exclude) 
    13119 File "C:\Program Files\ChimeraX\bin\lib\site-
    13120 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    13121 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    13122 File "C:\Program Files\ChimeraX\bin\lib\site-
    13123 packages\chimerax\core\models.py", line 126, in first_intercept 
    13124 pick = super().first_intercept(mxyz1, mxyz2, exclude=exclude) 
    13125 File "C:\Program Files\ChimeraX\bin\lib\site-
    13126 packages\chimerax\graphics\drawing.py", line 1053, in first_intercept 
    13127 p = self.first_intercept_children(self.child_drawings(), mxyz1, mxyz2,
    13128 exclude=exclude) 
    13129 File "C:\Program Files\ChimeraX\bin\lib\site-
    13130 packages\chimerax\graphics\drawing.py", line 1070, in first_intercept_children 
    13131 p = d.first_intercept(cxyz1, cxyz2, exclude=exclude) 
    13132 File "C:\Program Files\ChimeraX\bin\lib\site-
    13133 packages\chimerax\atomic\structure.py", line 687, in first_intercept 
    13134 ppicks = self._position_intercepts(self.positions[pn], mxyz1, mxyz2, exclude) 
    13135 File "C:\Program Files\ChimeraX\bin\lib\site-
    13136 packages\chimerax\atomic\structure.py", line 720, in _position_intercepts 
    13137 p = d.first_intercept(xyz1, xyz2, exclude=exclude) 
    13138 File "C:\Program Files\ChimeraX\bin\lib\site-
    13139 packages\chimerax\atomic\pbgroup.py", line 265, in first_intercept 
    13140 b,f = structure._bond_intercept(self.pseudobonds, mxyz1, mxyz2) 
    13141 File "C:\Program Files\ChimeraX\bin\lib\site-
    13142 packages\chimerax\atomic\structure.py", line 2105, in _bond_intercept 
    13143 cxyz1, cxyz2 = (a1.pb_coords, a2.pb_coords) 
    13144 File "C:\Program Files\ChimeraX\bin\lib\site-
    13145 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    13146 cget(self._c_pointers, n, pointer(values)) 
    13147 OSError: exception: access violation reading 0x0000000000041468 
    13148  
    13149 OSError: exception: access violation reading 0x0000000000041468 
    13150  
    13151 File "C:\Program Files\ChimeraX\bin\lib\site-
    13152 packages\chimerax\atomic\molc.py", line 197, in get_prop 
    13153 cget(self._c_pointers, n, pointer(values)) 
    13154  
    13155 See log for complete Python traceback. 
    13156  
     2531
     2532[deleted many of these]
     2533
    131572534Traceback (most recent call last): 
    131582535File "C:\Program Files\ChimeraX\bin\lib\site-