[Radiance-general] Multiple spherical glow sources?

[Lars O. Grobe]

Hi Mark,

I have never looked into night skies, but from what I observed, they 
show little angular variance, as finally you have starts everywhere over 
the dome. Maybe I am ignoring something important here, but can't you 
assume a gradient for the illuminance to be totally fine to light your 
scene? I would assume that towards the horizon you get much higher 
levels due to "light pollution", but I cannot imagine that for the 
illumination of an object under the sky different "densities" of stars 
under different angles really show up.

By the way, do you know the paper on night sky modeling by Henrik Wann 
Jensen and others "A Physically-Based Night Sky Model"?

Cheers Lars.