From: John Stone (johns_at_ks.uiuc.edu)
Date: Mon Oct 10 2005 - 16:15:02 CDT

Ravi,
  Use this to delete the label (and anything else you may have drawn
for yourself):
  draw delete all

  John

On Mon, Oct 10, 2005 at 02:12:52PM -0700, Ravinder Abrol wrote:
> Thanks John,
> Your script works like a charm. I observed one thing that when I do
> "disabletrace" the label stops changing, but stays on the frame. Is
> there a way to compleltely make it disappear after disabletrace?
> Thanks,
> Ravi
>
> -----------------------------------------------------------
> On Mon, Oct 10, 2005 at 02:54:18PM -0500, John Stone wrote:
> >
> > Hi,
> > I've written a simple example script that does precisely what you're
> > asking about, have a look at this example:
> >
> > ##
> > ## Example script showing a way to add user-drawn geometry that updates
> > ## as a trajectory is animated.
> > ##
> > ## To use this script:
> > ## 1) load your trajectory
> > ## 2) source frameupdate.vmd
> > ## 3) enabletrace
> > ## 4) do your thing :-)
> > ## 5) disabletrace
> >
> > proc enabletrace {} {
> > global vmd_frame;
> > trace variable vmd_frame([molinfo top]) w drawcounter
> > }
> >
> > proc disabletrace {} {
> > global vmd_frame;
> > trace vdelete vmd_frame([molinfo top]) w drawcounter
> > }
> >
> > proc drawcounter { name element op } {
> > global vmd_frame;
> >
> > draw delete all
> > # puts "callback!"
> > draw color white
> > set psperframe 1.03
> > set time [format "%8.3f ps" [expr $vmd_frame([molinfo top]) * $psperframe]]
> > draw text {10 10 0} "$time"
> > }
> >
> >
> >
> >
> > On Thu, Oct 06, 2005 at 12:27:26AM -0700, Ravinder Abrol wrote:
> > > Hi all,
> > >
> > > I am viewing a dcd file from NAMD and want to
> > > create a movie where each frame contains a label
> > > that reflects the time of the frame snapshot.
> > > How can I achieve this?
> > >
> > > Thanks very much,
> > > Ravi
> >
> > --
> > 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
>
> --
> __________________________________
>
> Ravinder Abrol
> 139-74, Beckman Institute
> Department of Chemistry, Caltech
> Pasadena, CA 91125
> Phone: (626)-395-8143
> Email: abrol_at_caltech.edu
> __________________________________

-- 
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