<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi Józef,<div class=""><br class=""></div><div class=""> I got your bug report. The error happened when you click to rotate a bond in VR and you miss the bond. The code I added last week and that I suggested in the previous email needed to check if no bond is picked. The fix will be in tonight's ChimeraX daily build. Here is the fix to the code I sent in a previous message (adding the lines "if br is None: return".</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Tom</div><div class=""><br class=""></div><div class="">Fixed VR bond rotation code.</div><div class=""><br class=""></div><div class=""><div class=""> def vr_press(self, event):</div><div class=""> # Virtual reality hand controller button press.</div><div class=""> pick = event.picked_object(self.view)</div><div class=""> self._bond_rot = self._bond_rotation(pick)</div><div class=""><br class=""></div><div class=""> # Move the side of the bond the VR click is closest to.</div><div class=""> br = self._bond_rot</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>if br is None:</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span> return</div><div class=""> atom1 = br.moving_side</div><div class=""> atom2 = br.bond.other_atom(atom1)</div><div class=""> p = event.tip_position</div><div class=""> from chimerax.core.geometry import distance</div><div class=""> if distance(p, atom2.scene_coord) < distance(p, atom1.scene_coord):</div><div class=""> br.moving_side = atom2 # Switch to moving the atom2 side</div><div><br class=""><blockquote type="cite" class=""><div class="">On Dec 9, 2019, at 9:15 AM, Tom Goddard <<a href="mailto:goddard@sonic.net" class="">goddard@sonic.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""></div><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">Hi Jozef,</div><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></div><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""> Please press the report bug button on the error dialog and I will fix the problem. I don’t think clicking in the middle of the bond is the issue and I need to see the error to fix it. Thanks.</div><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class=""></div><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""> Tom</div><div dir="ltr" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br class="">On Dec 9, 2019, at 3:33 AM, Lewandowski, Jozef <<a href="mailto:J.R.Lewandowski@warwick.ac.uk" style="color: blue; text-decoration: underline;" class="">J.R.Lewandowski@warwick.ac.uk</a>> wrote:<br class=""><br class=""></div><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div dir="ltr" class=""><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">Thank you both. Works like a charm. I like the solution with the rotation being defined by which side of the bond one clicks – that is exactly the type of thing I need.<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">It gives me an error when I accidentally click at the center but I can live with that and just have to be careful with my selection.<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">Thanks again,<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class="">Józef<o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span class=""><o:p class=""> </o:p></span></div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0cm 0cm;" class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><b class=""><span style="font-size: 12pt;" class="">From:<span class="Apple-converted-space"> </span></span></b><span style="font-size: 12pt;" class="">Eric Pettersen <<a href="mailto:pett@cgl.ucsf.edu" style="color: blue; text-decoration: underline;" class="">pett@cgl.ucsf.edu</a>><br class=""><b class="">Date:<span class="Apple-converted-space"> </span></b>Friday, 6 December 2019 at 23:19<br class=""><b class="">To:<span class="Apple-converted-space"> </span></b>Tom Goddard <<a href="mailto:goddard@sonic.net" style="color: blue; text-decoration: underline;" class="">goddard@sonic.net</a>><br class=""><b class="">Cc:<span class="Apple-converted-space"> </span></b>"Lewandowski, Jozef" <<a href="mailto:J.R.Lewandowski@warwick.ac.uk" style="color: blue; text-decoration: underline;" class="">J.R.Lewandowski@warwick.ac.uk</a>>, "<a href="mailto:chimerax-users@cgl.ucsf.edu" style="color: blue; text-decoration: underline;" class="">chimerax-users@cgl.ucsf.edu</a>" <<a href="mailto:chimerax-users@cgl.ucsf.edu" style="color: blue; text-decoration: underline;" class="">chimerax-users@cgl.ucsf.edu</a>><br class=""><b class="">Subject:<span class="Apple-converted-space"> </span></b>Re: [chimerax-users] Rotate bond move large/small option in VR<o:p class=""></o:p></span></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><blockquote style="margin-top: 5pt; margin-bottom: 5pt;" class=""><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">On Dec 6, 2019, at 3:11 PM, Tom Goddard <<a href="mailto:goddard@sonic.net" style="color: blue; text-decoration: underline;" class="">goddard@sonic.net</a>> wrote:<o:p class=""></o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div><div class=""><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 9pt; font-family: Helvetica;" class=""> br = self.session.bond_rotations.new_rotation(pick.bond)<o:p class=""></o:p></span></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 9pt; font-family: Helvetica;" class=""> br.moving_side = br.bond.other_atom(br.moving_side) # Move the large side<o:p class=""></o:p></span></div></div></div></blockquote><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Not sure why this was hard to find since it’s a documented arg of new_rotation, but just do this:<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">br = self.session.bond_rotations.new_rotation(pick_bond, move_smaller_side=False)<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">—Eric<o:p class=""></o:p></div></div><div class=""><div class=""><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><br class=""><br class=""><span class="apple-tab-span"><o:p class=""></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">Eric Pettersen<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class="">UCSF Computer Graphics Lab<o:p class=""></o:p></div></div><div class=""><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;" class=""><o:p class=""> </o:p></div></div></div></div></blockquote><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><div dir="ltr" class=""><span class="">_______________________________________________</span><br class=""><span class="">ChimeraX-users mailing list</span><br class=""><span class=""><a href="mailto:ChimeraX-users@cgl.ucsf.edu" style="color: blue; 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