3e24041e@news.povray.org...
> http://www.cs.unc.edu/~lin/COMP259/LEC/29b.ppt
>
> Its pretty interesting and perhaps, when I get the time to
> understand it, I'll implement it. Could be useful, at least
> for meshes (and windows can easily be done with
> meshes).

Thanks ! It looks very interesting indeed. I'll have a look at it too, but I
haven't done this kind of math since 1986... It seems feasible in POV-Ray
SDL and could give very nice results.

G.


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> Tim Nikias
> Homepage: http://www.digitaltwilight.de/no_lights/index.html
> Email: Tim### [at] gmxde
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>

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