From: Axel Kohlmeyer (
Date: Fri May 15 2009 - 12:32:48 CDT

On Fri, 2009-05-15 at 12:42 -0400, Gopinath Subramanian wrote:
> VMD seems to be unable to read a lammps trajectory file produced by
> the latest version of LAMMPS. The reason for this is one line in the
> dump file - namely, the "ITEM: ATOMS" line.
> The old version of lammps produced the text "ITEM: ATOMS", while the
> new version produces "ITEM: ATOMS id mol x y z etc. etc."
> This seems to cause the lammps plugin that VMD uses to generate an
> error. I currently fix this by modifying the LAMMPS source code to
> supress extra text in that line, but was wondering if there is another
> way around this.

yes, there is a way. please try the latest VMD beta version.
the support for LAMMPS has been significantly improved. due to
the change (which we discussed with steve a long time ago) VMD
can also handle many custom dump files, too. please
see my recent posting to the LAMMPS users mailing list on the
subject with many more details.


> GS.

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.