From: Axel Kohlmeyer (
Date: Thu Mar 27 2008 - 11:57:58 CDT

On Thu, 27 Mar 2008, Utpal Sarkar wrote:

US> Dear VMD users,
US> I am creating movie with VMD. I am trying to see
US> the XYZ-coordinate or Origin (0,0,0) of my sytem in the movie. But the
US> origin is VMD shows most probable not the true origin of the system, most
US> probably the system traslated (I am not quite sure though). Form the *.XYZ

no. VMD does not modify the real coordinates. it will try to guess the
best "camera position" after loading a new file, though.

US> file which I use to make the movie, I know that my system is 3.5 Angs. away
US> from the XY plane. This origin is the original Origin (0,0,0) with respect
US> to the coordinates I feed to VMD through the *.XYZ file. So how can I see
US> the Origin or XYZ- axis (with respect to the coordinate of my system) when I
US> am creating the movie?

if you click on


you will have three small vectors indicating not only the
position of (0.0,0.0,0.0) but also the directions of the
three principal axes.


US> Thanking you in advance
US> regards
US> utpal

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.