[Chimera-users] Increase/decrease the sphere

Eric Pettersen pett at cgl.ucsf.edu
Tue Nov 28 11:49:36 PST 2006

I forgot to mention that if you want to control ball/stick size on a  
more permanent basis, you can use the New Molecule preferences  
(Favorites->Preferences) to set them for all new molecules you open.


On Nov 27, 2006, at 9:21 PM, tuhin at iitk.ac.in wrote:

> Thanks for your helpful suggestion, Eric.
> Regards,
>> Hi,
>> 	Sphere size is the same as the atom's VDW radius.  You can change
>> atom radii with the "vdwdefine" command, or by selecting atoms and
>> bringing up the Selection Inspector (click on the button at the lower
>> right of the Chimera interface) and typing a new value into the
>> "radius:" field.
>> 	Ball and stick size are controlled on a per-model basis.  Use the
>> Model Panel (Favorites->Model Panel) and double-click on line with
>> the model you want to control.  A dialog listing the attributes of
>> that model will come up.  The "ball scale:" field controls the size
>> of balls.  It is a fraction that the VDW radius is multiplied by to
>> get the ball size (default: 0.25).  The "stick scale:" field controls
>> stick size and also a fraction that sticks get multiplied by.  The
>> default stick radius is 0.2 angstroms and default stick scale is 1.0,
>> so the final default radius is 0.2 angstroms.  The help page for the
>> attribute dialog describes why there are two numbers involved if you
>> care, and also describes the other attributes if you're interested.
>> --Eric
>>                          Eric Pettersen
>>                          UCSF Computer Graphics Lab
>>                          pett at cgl.ucsf.edu
>>                          http://www.cgl.ucsf.edu
>> On Nov 27, 2006, at 6:56 AM, tuhin at iitk.ac.in wrote:
>>> Dear Chimera users,
>>> Could anybody tell me whether there is a way in chimera to
>>> increase/decrease the size of the spheres/ball-and-stick in atom
>>> display
>>> (Action-->Atoms/Bonds-->sphere...). The wireframe has an option in
>>> "wire
>>> width", is there something like that for the above two options ??
>>> Waiting for yours suggestions.
>>> Thanks in advance.
>>> Best,
>>> TKP
>>> _______________________________________________
>>> Chimera-users mailing list
>>> Chimera-users at cgl.ucsf.edu
>>> http://www.cgl.ucsf.edu/mailman/listinfo/chimera-users

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