"Patrick Elliott" <sel### [at] rraznet> wrote in message 
news:MPG.1f1092509c9cfad9989f32@news.povray.org...
> Yeah, I know you can use Radiosity. I was thinking in terms of what 
> might work "without" that.

how would you do what you describe without using a very similar 
technique POV-Ray's radiosity uses?

cu!
-- 
#macro G(b,e)b+(e-b)*C/50#end#macro _(b,e,k,l)#local C=0;#while(C<50)
sphere{G(b,e)+3*z.1pigment{rgb G(k,l)}finish{ambient 1}}#local C=C+1;
#end#end _(y-x,y,x,x+y)_(y,-x-y,x+y,y)_(-x-y,-y,y,y+z)_(-y,y,y+z,x+y)
_(0x+y.5+y/2x)_(0x-y.5+y/2x)            // ZK http://www.povplace.com

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