[Chimera-users] globally changing ball and stick scale

Elaine Meng meng at cgl.ucsf.edu
Mon Jul 28 13:13:58 PDT 2008

Hi Wally,
You can use the setattr command, for example:

setattr m stickScale 1.5
setattr m ballScale 0.5


Or, if you'd rather do something interactive/graphical:
(a) select all molecule models (or at least one atom or bond from each)
(b) open Selection Inspector by clicking button near lower right  
corner of the Chimera window or by choosing Actions... Inspect from  
the menu
(c) Inspect "Molecule model" and change the ball scale and/or stick  
scale as desired

These parameters are also in the individual molecule model attributes  
panels that can be opened from Model Panel, but it is too tedious to  
set the values individually for multiple models.

Another possibility is to change the "New Molecules" Preferences to  
set those values as desired for subsequently opened molecule models  
(Favorites... Preferences, change to New Molecules category).
Elaine C. Meng, Ph.D.                          meng at cgl.ucsf.edu
UCSF Computer Graphics Lab and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On Jul 28, 2008, at 12:05 PM, Walter Novak wrote:

> Hi All,
> This is probably a simple question, but the answer is eluding me. Say
> I have 20 models open. How can I globally change the stick scale and
> ball scale for all models.
> Thanks,
> Wally

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