Tiling not working for volumes

[yanxin@…]

The following bug report has been submitted:
Platform:        Darwin-18.7.0-x86_64-i386-64bit
ChimeraX Version: 0.91 (2019-09-03)
Description
tile doesn't work for EM map

Log:
UCSF ChimeraX version: 0.91 (2019-09-03)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> tile

No structures found for tiling.  

> open "/Volumes/GoogleDrive/My
Drive/SdhB/EM/Titan2_hsTrap1_Sdhd/Refine3D/all_SdhB_k1_k4/run_ct11_class001.mrc"

Opened run_ct11_class001.mrc, grid size 320,320,320, pixel 0.814, shown at
level 0.00523, step 2, values float32  

> open "/Volumes/GoogleDrive/My
Drive/SdhB/EM/Titan2_hsTrap1_Sdhd/Refine3D/all_SdhB_k2_k2/run_ct11_class001.mrc"

Opened run_ct11_class001.mrc, grid size 320,320,320, pixel 0.814, shown at
level 0.00536, step 2, values float32  

> tile

Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/cmd_line/tool.py", line 254, in execute  
cmd.run(cmd_text)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2688, in run  
result = ci.function(session, **kw_args)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/std_commands/tile.py", line 51, in tile  
view_dist, anchor_spec, m.atomspec))  
AttributeError: 'Volume' object has no attribute 'atomspec'  
  
AttributeError: 'Volume' object has no attribute 'atomspec'  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/std_commands/tile.py", line 51, in tile  
view_dist, anchor_spec, m.atomspec))  
  
See log for complete Python traceback.  
  

> tile

Traceback (most recent call last):  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/cmd_line/tool.py", line 254, in execute  
cmd.run(cmd_text)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2688, in run  
result = ci.function(session, **kw_args)  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/std_commands/tile.py", line 51, in tile  
view_dist, anchor_spec, m.atomspec))  
AttributeError: 'Volume' object has no attribute 'atomspec'  
  
AttributeError: 'Volume' object has no attribute 'atomspec'  
  
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/std_commands/tile.py", line 51, in tile  
view_dist, anchor_spec, m.atomspec))  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 ATI-2.11.20
OpenGL renderer: AMD Radeon Pro 560 OpenGL Engine
OpenGL vendor: ATI Technologies Inc.

[pett]

Reported by Yanxin Liu

[Conrad Huang]

This was fixed as part of #2484.