Yep, Daniel's has it!

To lessen the darkness of shadows, increase "direct" and if necessary,
lower "reflect"

get reflect
get direct

set reflect, 0.7
set direct, 0.4

ray

Cheers,
Warren


--
Warren L. DeLano, Ph.D.                     
Principal Scientist

. DeLano Scientific LLC  
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> -----Original Message-----
> From: pymol-users-ad...@lists.sourceforge.net 
> [mailto:pymol-users-ad...@lists.sourceforge.net] On Behalf Of 
> Daniel Rigden
> Sent: Wednesday, November 23, 2005 5:03 AM
> To: Jacob Poehlsgaard
> Cc: pymol-users@lists.sourceforge.net
> Subject: Re: [PyMOL] Raytracing interior surfaces. Problems 
> in both PyMoland PovRay
> 
> Hi Jacob
> 
> In Pymol, have you tried adding in a direct light source? e.g.
> 
> set direct, 0.5
> 
> It worked nicely in a similar situation for me
> 
> Daniel
> 
> On Wed, 2005-11-23 at 11:42 +0100, Jacob Poehlsgaard wrote:
> > Hi folks
> > 
> >  
> > 
> >  I'm trying to visualize a section of the inner workings of the 
> > ribosome. To this end I've generated a surface and clipped it to 
> > reveal the internal structure I want to look at. This looks really 
> > good in the normal openGL view. When I raytrace it however, 
> the part 
> > that's clipped away still throws a shadow, so everything is 
> completely 
> > dark. I know I could turn shadows off, but I'd really like to keep 
> > them for things that's visible.
> > 
> >  
> > 
> >  I also tried exporting to PovRay, but unfortunately the clipping 
> > plane isn't really implemented in the export methods I tried (using 
> > the renderer=1 command and the script from 
> > http://adelie.biochem.queensu.ca/~rlc/work/pymol/ ).
> > 
> >  
> > 
> >  I can extract the coordinates for the plane and put it 
> into pov-ray, 
> > but because the surface is exported as thousands of little mesh2 
> > objects, I can't seem to explain to povray that they should all be 
> > "clipped_by" the plane. If I make a union or merge of the mesh2 
> > objects, it works, but this is not a realistic solution, as the 
> > processor time needed is massive, even for simple test objects.
> > 
> >  
> > 
> >  Does anyone have suggestions to fix this, using either the 
> internal 
> > renderer og pov-ray?
> > 
> >  
> > 
> > Sincerely
> > Jacob Poehlsgaard
> > 
> > SDU, Denmark
> > 
> > 
> -- 
> Dr Daniel John Rigden                     Tel:(+44) 151 795 4467
> School of Biological Sciences             FAX:(+44) 151 795 4406
> Room 101, Biosciences Building
> University of Liverpool
> Crown St.,
> Liverpool L69 7ZB, U.K.
> 
> 
> 
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