From: Axel Kohlmeyer (
Date: Tue Jun 17 2008 - 14:51:28 CDT

On Tue, 17 Jun 2008, Gerald Mathias wrote:

GM> Dear list,

dear gerald,

GM> i'm trying to render density isosurfaces, which are colored by a second
GM> density. However, the color information seems not be passed to the renderers
GM> (i checked the inputs) and surfaces come out plain white.
GM> I've tried both tachyon-0.98b and povray. To simplify things I also tried
GM> rendering "color by volume" VdW spheres and plain volume slices with the same
GM> result.

this is a know issue.

GM> Is there support for this feature in vmd for other renderers besides the
GM> obvious 'snapshot'?

no. it currently only works for snapshot and a reasonably
correct OpenGL implementation. you best shot at high quality
and resolution is probably to (temporarily) use a GLSL capable
card with a very large screen.


GM> Cheers,
GM> Gerald

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.