From: Goldsmith, Jacob (
Date: Fri Mar 11 2011 - 09:20:58 CST

I use Linux to make movies in VMD. Generally I use screencapture and ppmtompg (might need to download this plug-in). See if that works.

From: [] On Behalf Of Axel Kohlmeyer []
Sent: Friday, March 11, 2011 6:58 AM
To: Jun Cheng
Subject: Re: vmd-l: problem on making a movie

On Fri, Mar 11, 2011 at 5:42 AM, Jun Cheng <> wrote:
> Hi all,
> I am trying to use vmd movie generator to make a movie to visualize a
> MD trajectory. I have tried different renderers without success so
> far.
> I first used snapshot, and got garbled .ppm images, probably because
> of the problem Linux OpenGL video drivers (My OS is ubuntu), as
> explained in the vmdmovie webpage.
> Then, I installed povray, and ended up with the error: Parse error:
> degenerate cylinder, base point = apex point, which is apparently a
> very old problem after digging in the mailing list. This leaves me the
> only hope, tachyon. I do get a movie at the end after a long wait.
> However, the bond length labels (I intend to monitor the bond lengths
> changing along the MD run) are mysteriously missing.
> Can anyone help me here? Many thanks in advance

try the latest VMD 1.9 beta instead.


> Jun

Dr. Axel Kohlmeyer
Institute for Computational Molecular Science
Temple University, Philadelphia PA, USA.