On Fri, 8 Feb 2002 15:04:33 -0500, Greg M. Johnson wrote:
> // Consider the differences in this scene if you add fog.
> // IMHO fog (rgb 0) should make everything darker, no?

I'm not where I can look at what the results of this are and what you
think they should be, but I was wondering if you get the same result
if you put the media in a finite container.

-- 
#macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
-z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
P(z+a)P(z-a)R(-z-z-x a)pigment{rgbf 1}hollow interior{media{emission 3-T}}}#end 
Z(-x-x.2x)camera{location z*-10rotate x*90normal{bumps.02scale.05}}

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