Tim Attwood nous apporta ses lumieres en ce 07-01-2007 16:46:
>>> What am I doing wrong? How can I remove the solid black shadow as shown in
>>> image2.jpg and have caustics show up there?

> You can get the effect you want by lowering the ior from your interior,
> I'm not sure if POV ior is really one for one acurate with RL ior numbers.
> (1.01 would work ok)

That's a very low ior. Barely more that that of air (about 1.0001, vacuum is ior 
1), more like compressed air. A realistic ior for a glass object is around 1.5 
to 1.8. POV use the standard equations to calculate the effect of the ior: 
reproduce real life acurately.

-- 
Alain
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How come we choose from just two people to run for President and over fifty for 
Miss America?

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