From: John Stone (johns_at_ks.uiuc.edu)
Date: Thu Nov 11 2010 - 07:53:50 CST

This is a limitation of the POV-Ray export feature in the current
versions of VMD. I am hoping to implement volumetric texturing
in POV-Ray in a future version. For the time being, I'd recommend
to stick with Tachyon.

Cheers,
  John Stone
  vmd_at_ks.uiuc.edu

On Thu, Nov 11, 2010 at 12:33:00PM +0100, Guido Polles wrote:
> Hello everybody,
>
> When I try to render with POV a molecule with coloring method
> "Volume", in the rendered image it appears totally white.
> Using Tachyon the colors are rendered just fine.
> Am I doing something wrong?
>
> Cheers,
>
> Guido Polles

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
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