From: John Stone (
Date: Wed Sep 10 2014 - 14:45:09 CDT

If you know the trr format, it would probably be pretty easy to
add velocity reading support into the plugin source code.

The VMD plugin ABI version 10 added support for velocities many years ago,
so it's just a file-format- and plugin-specific coding task to add
velocity reading support.

  John Stone

On Wed, Sep 10, 2014 at 01:28:56PM -0600, Eric Smoll wrote:
> Hello VMD users,
> According to this page:A
> [1]
> VMD ignores velocities in a gromacs binary trajectory files (xtc and trr
> files.)
> If I have a need for velocity information, what is the best way to
> configure GROMACS and/or VMD to import this information.
> Best,
> Eric
> References
> Visible links
> 1.

NIH Center for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801           Phone: 217-244-3349