tile command ignores volume models

[goddard@…]

The following bug report has been submitted:
Platform:        Darwin-17.7.0-x86_64-i386-64bit
ChimeraX Version: 0.91 (2019-07-07)
Description
Tile command does not work on maps.

Log:
Startup Messages  
---  
warning | 'clip' is a prefix of an existing command 'clipper'  
  
UCSF ChimeraX version: 0.91 (2019-07-07)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> toolshed show ISOLDE

> set selectionWidth 4

Done loading forcefield  

> open 1080 fromDatabase emdb

Opened emd_1080.map, grid size 100,100,100, pixel 2.7, shown at level 1.67,
step 1, values float32  

> open /Users/goddard/ucsf/presentations/stanford-
jul2019/chimerax_tutorial/emd_9333.map

Opened emd_9333.map, grid size 320,320,320, pixel 1.06, shown at level 0.32,
step 2, values float32  

> tile

No structures found for tiling.  

> usage tile

tile [models] [columns an integer] [viewAll true or false] [spacingFactor a
number]  
— tile models onto grid  

> tile #1,2

No structures found for tiling.  




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

[pett]

Duplicate of #2207