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Nathan Kopp wrote in message <36F### [at] Koppcom>...
>Usually, I make the liquid a bit bigger than the interior of the glass.
I can't see why it should be better. Surely the reverse holds true in
nature. In raytracing terms - overlap or not, the surfaces are nearly
coincident so the change in reflection/refraction vectors should be
negligible. And I have gotten correct results with the liquid smaller than
the glass.
Anyway, I'll try. But if this works better, I'd like to know why...
Margus
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