Kari Kivisalo wrote:
> fade_distance sqrt(area) for diffuse sources. 
> Verified with the cornell scene

  Hmmm... regardless of the light intensity or the scene scale? I'm not 
sure there is a value or fomula that can be seen as "definive". I can 
obtain exactly the same results on your cornell scene with very different 
settings for fade_distance and light color.

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org

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