nemesis schrieb:

> I think it's perfectly on topic:  how is a "physically-based" renderer supposed
> to behave in the face of a situation beyond the realm of physics?  Perhaps they
> should do some phong shading?

If physics has a /theoretical/ answer to a certain limit-case situation, 
then a "physically-based" renderer should end up producing exactly that 
answer when confronted with that case - or at least approach it.

What, btw, has phong shading to do with the test setup??

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