Error switching to volume plane style with multichannel data

[goddard@…]

The following bug report has been submitted:
Platform:        Darwin-17.7.0-x86_64-i386-64bit
ChimeraX Version: 0.9 (2019-04-17)
Description
Showing brightfield channel of Allen Institute 9 channel data set, which is channel 4 and is not initially shown, and trying to switch to plane display style gives this error.

Log:
Startup Messages  
---  
warning | 'clip' is a prefix of an existing command 'clipper'  
  
UCSF ChimeraX version: 0.9 (2019-04-17)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open /Users/goddard/Downloads/chimerax_microscopy/AICS-10_136.ome.tiff

Summary of feedback from opening
/Users/goddard/Downloads/chimerax_microscopy/AICS-10_136.ome.tiff  
---  
notes | image name 3500000510_100X_20170131_E05_P03.czi #1, dimension order
XYCZT, grid spacing 0.1083, 0.1083, 0.29, grid size 512, 512, 42, times 1,
channels 9, value type uint16  
  
Opened multi-channel map AICS-10_136.ome.tiff, 9 channels, grid size
512,512,42, pixel 0.108,0.108,0.29, shown at step 1, values uint16  
Traceback (most recent call last):  
File "/Users/goddard/Desktop/ChimeraX Apr 17
2019.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume_viewer.py", line 1859, in <lambda>  
sm.addAction(style, lambda s=style: self.representation_changed_cb(s))  
File "/Users/goddard/Desktop/ChimeraX Apr 17
2019.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume_viewer.py", line 2375, in
representation_changed_cb  
self.set_map_style(v, style)  
File "/Users/goddard/Desktop/ChimeraX Apr 17
2019.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume_viewer.py", line 2413, in set_map_style  
self.show_plane(True)  
File "/Users/goddard/Desktop/ChimeraX Apr 17
2019.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume_viewer.py", line 1970, in show_plane  
self.show_one_plane(v, show_volume)  
File "/Users/goddard/Desktop/ChimeraX Apr 17
2019.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume_viewer.py", line 1982, in show_one_plane  
self._update_plane(k, axis = axis)  
File "/Users/goddard/Desktop/ChimeraX Apr 17
2019.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume_viewer.py", line 2059, in _update_plane  
self._planes_spinbox.setValue(k)  
AttributeError: 'Histogram_Pane' object has no attribute '_planes_spinbox'  
  
AttributeError: 'Histogram_Pane' object has no attribute '_planes_spinbox'  
  
File "/Users/goddard/Desktop/ChimeraX Apr 17
2019.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume_viewer.py", line 2059, in _update_plane  
self._planes_spinbox.setValue(k)  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 NVIDIA-10.32.0 355.11.10.10.40.102
OpenGL renderer: NVIDIA GeForce GT 650M OpenGL Engine
OpenGL vendor: NVIDIA Corporation

[Tom Goddard]

Fixed.

Volume viewer saw volume region switch to single plane and tried to set plane slider value but plane slider had not yet been created.