[Radiance-general] sky models and color gradients

[Lars O. Grobe]

Hi,

I remember that I once have seen a paper on modeling the color gradients 
of the sky dome related to weather, time and location information, and 
if I am not completely wrong, the authors had done that work using 
Radiance. I am aware of several models for creating color gradients, but 
I could not find anything that has been applied to Radiance. Of course I 
am aware of Mark Stock's skycolor.cal, but that one takes known colors 
as an input. Does anyone else have information on the topic, how to set 
extend radiance brightness distribution by color models for the sky dome?

Thanks!!! Lars.
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