From: Axel Kohlmeyer (
Date: Wed Oct 18 2006 - 12:09:04 CDT

On Wed, 18 Oct 2006, Tim Meyer wrote:

TM> dear all,
TM> if i read a nmr-style pdb into vmd (many models with same atom number) and do a
TM> atom selection like sqr(x)+sqr(y)+sqr(z) > 0 (only atoms not in origin) the
TM> selection is only made correctly for the first model and not updated neither
TM> when running through the trajectory nor visualizing all frames at once.
TM> i understand that updating each step would slowdown the process but in this case
TM> necessarily. is there a workaround like for secondary structure assignment
TM> (ss_cache)?

in the representations dialog there is a trajetory tab and the
corresponding dialog contains an Update Selection Every Frame option.

TM> thanks
TM> tim

Axel Kohlmeyer
   Center for Molecular Modeling   --   University of Pennsylvania
Department of Chemistry, 231 S.34th Street, Philadelphia, PA 19104-6323
tel: 1-215-898-1582,  fax: 1-215-573-6233,  office-tel: 1-215-898-5425
If you make something idiot-proof, the universe creates a better idiot.