VMD-L Mailing List

From: John Stone (johns_at_ks.uiuc.edu)
Date: Mon Feb 07 2005 - 10:07:46 CST

Oliver,
  I assume you've got the latest NVidia drivers installed for your
video board? What resolution is the potential map you're trying to load?

  John Stone
  vmd_at_ks.uiuc.edu

On Mon, Feb 07, 2005 at 04:03:34PM +0000, Oliver Beckstein wrote:
> Hi,
>
> I would like to create grasp-like electrostatic maps. I produced a pot.dx
> potential map with apbs and tried to colour a 'surf' or 'msms' surface
> using the new volume colouring feature. However, the surface stays
> uniformly black although I would expect some variation along
> red-white-blue (I think this is set with the colour scale.)
>
> Also, volume slice gives me a black surface. The iso contour
> representation works as expected, though.
>
> Do I need OpenGL shading for this to work?
>
> When I try Display>Render Mode>GLSL I get "Warning) OpenGL Programmable
> Shading not available."
>
> (I have
>
> VMD 1.8.3b1
>
> Info) OpenGL renderer: Quadro4 900 XGL/AGP/SSE
> Info) Features: STENCIL MSAA(4) RN MDE CVA MTX TCM PP PS GLSL SHO SHV
> Info) OpenGL Programmable shading is NOT available.
> Info) Textures: 2-D (4096x4096), 3-D (512x512x512), Multitexture (4)
>
> Fedora Core 3, xorg (nothing special in xorg.conf),
> NVIDIA-Linux-x86-1.0-6629 )
>
> Thanks,
> Oliver
>
> --
> Oliver Beckstein * oliver_at_biop.ox.ac.uk
> http://sansom.biop.ox.ac.uk/oliver/ 

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
Email: johns_at_ks.uiuc.edu                 Phone: 217-244-3349              
  WWW: http://www.ks.uiuc.edu/~johns/      Fax: 217-244-6078