clipka wrote:
> Am 15.04.2010 11:07, schrieb Ray Gardener:
> 
>> The problem turned out to be the color model. In RGB, it's hard or
>> perhaps intractable; in CIE it's easy because the color units are more
>> directly mapped to actual radiation wavelengths which the
>> scattering/absorption equations prefer, and tonemapping to handle eye
>> dark/light adaptation is easy too.
> 
> Is that "CIE" as in "CIE RGB", "CIE XYZ", or "CIE L*a*b*"?

CIE XYZ.

Ray

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