Am 12.12.2010 00:39, schrieb Alain:

> I don't think that it will exactly reproduce the real world, as at least
> part of the effect is related to polarisation.

The fresnel formulae used in POV-Ray already take into account that 
differently polarized light is reflected at different intensity. They 
should be ok, under the presumption that the incoming light is 
non-polarized.

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