From: John Stone (johns_at_ks.uiuc.edu)
Date: Mon Jul 02 2012 - 15:22:10 CDT

Hi,
  Can you post a gzipped copy of your file so I can try loading it?

Cheers,
  John Stone
  vmd_at_ks.uiuc.edu

On Mon, Jul 02, 2012 at 12:56:43PM -0400, Mahendra B Thapa wrote:
> Dear VMD users,
>
> I generated amber mdcrd file using amber 12
> with the amber force field. To view the structure, I at first loaded
> prmtop file with "file type - AMBER7 Parm" and then loaded mdcrd file with
> " file type - Amber coordinates with periodic box". Unfortunately, VMD did
> not produce image instead just a line like image. Interestingly when I
> used the pdb- format , it worked fine. The question is: why VMD looks like
> not supporting prmtop and mdcrd files.
>
> Thanks,
> Mahendra Thapa
> University of Cincinnati

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