setting fixed pixel height for labels → traceback

[pett]

The following bug report has been submitted:
Platform:        Darwin-18.7.0-x86_64-i386-64bit
ChimeraX Version: 0.93 (2020-04-03)
Description
Tried to set the height of labels to 12 pixels with "label size 12 height fixed"

Log:
Startup Messages  
---  
warning | 'clip' is a prefix of an existing command 'clipper'  
  
UCSF ChimeraX version: 0.93 (2020-04-03)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open 1gcn format mmCIF fromDatabase pdb

1gcn title:  
X-ray analysis of glucagon and its relationship to receptor binding [more
info...]  
  
Chain information for 1gcn #1  
---  
Chain | Description  
A | glucagon  
  
  

> label size 12 height fixed

Label command requires an atom specifier to create labels.  

> select /A:13

12 atoms, 12 bonds, 1 model selected  

> label

> label sel

> label size 12 height fixed

Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/triggerset.py", line 130, in invoke  
return self._func(self._name, data)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label3d.py", line 434, in _update_graphics_if_needed  
self._rebuild_label_graphics()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label3d.py", line 446, in _rebuild_label_graphics  
va = self._label_vertices()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label3d.py", line 515, in _label_vertices  
rects = [l._label_rectangle(spos, cposd) for l in self._labels if not
l.object_deleted]  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label3d.py", line 515, in <listcomp>  
rects = [l._label_rectangle(spos, cposd) for l in self._labels if not
l.object_deleted]  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label3d.py", line 695, in _label_rectangle  
w, h = sh*pw/ph, sh  
TypeError: unsupported operand type(s) for /: 'str' and 'int'  
  
Error processing trigger "graphics update":  
TypeError: unsupported operand type(s) for /: 'str' and 'int'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/label/label3d.py", line 695, in _label_rectangle  
w, h = sh*pw/ph, sh  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 INTEL-12.10.16
OpenGL renderer: Intel(R) Iris(TM) Pro Graphics 6200
OpenGL vendor: Intel Inc.

[Tom Goddard]

Fixed.

When the label command default_height option was added the handling of fixed height was broken.