From: Axel Kohlmeyer (akohlmey_at_gmail.com)
Date: Wed Jun 02 2010 - 13:46:02 CDT

On Wed, Jun 2, 2010 at 1:57 PM, John Stone <johns_at_ks.uiuc.edu> wrote:
> Hi,
>  There's no way to do this in VMD itself, but if you exported the
> scene to POV-Ray and then manually edited the scene file, you could
> convince POV-Ray to render the intersection of your set of beads
> using constructive solid geometry (CSG).  That's probably the easiest
> way to get such an image.  You could also just write a Tcl script that
> emits the beads to a POV-Ray scene file, that might be even easier than
> taking the VMD output and then subsequently modifying it again...

hmmmm...

couldn't you do something along those lines with volume maps in VMD?

axel.

>
> Cheers,
>  John Stone
>  vmd_at_ks.uiuc.edu
>
> On Wed, Jun 02, 2010 at 01:51:56PM +0200, Bjoern Olausson wrote:
>> Hi VMD users,
>>
>> does anyone know if it is possible to visualize the intersection of
>> overlapping beads?
>>
>> Or more general - calculate and visualize the overlapping parts of multiple
>> spheres?
>>
>> For example:
>> I have 6 Beads representations of 6 Atoms in my protein. These 6 Beads overlap
>> and I would like to show only the intersection, not the rest of the beads.
>>
>> Since my skill in TCL are not more then the basics I am stuck...
>>
>> Thanks for any hints or code snippets I can chew on.
>>
>> Cheers
>> Bjoern
>>
>>
>> --
>> Bjoern Olausson
>> Martin-Luther-Universität Halle-Wittenberg
>> Fachbereich Biochemie/Biotechnologie
>> Kurt-Mothes-Str. 3
>> 06120 Halle/Saale
>>
>> Phone: +49-345-55-24942
>
>
>
> --
> NIH Resource for Macromolecular Modeling and Bioinformatics
> Beckman Institute for Advanced Science and Technology
> University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> Email: johns_at_ks.uiuc.edu                 Phone: 217-244-3349
>  WWW: http://www.ks.uiuc.edu/~johns/      Fax: 217-244-6078
>

-- 
Dr. Axel Kohlmeyer    akohlmey_at_gmail.com
http://sites.google.com/site/akohlmey/
Institute for Computational Molecular Science
Temple University, Philadelphia PA, USA.