Christopher James Huff wrote:
> Don't use absorbing media. Use scattering media with an extinction of 0. 
> Actually, the way you're doing it is rather limiting and CPU intensive, 
> just putting emitting media around the object would be better.

Alternately use scattering media and negative absorbing media.
e.g.
media{
   intervals 1
   confidence 0.0001
   variance 1
   ratio 0.5
   absorption   rgb<-0.5,-0.5,-0.5>
   scattering{1 rgb<0.5,0.5,0.5>}
}

-- 
Tim Cook
http://home.bellsouth.net/p/PWP-empyrean

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