Dan P wrote:
 > I had trouble with the atmosphere so this file didn't do the trick, 
yet it
 > might get you closer. The challenge is that even though you can push the
 > ambience of an object past 1, it does not actually emit light. To an 
object
 > emit light, use the looks_like in a light_source object.

This is true only when not using radiosity.

With radiosity, every object with ambient>0 emits light (provided you
didn't set global_settings { ambient_light <0,0,0> }).

Hence, it is a good method to use ambient and not looks_like when using
radiosity. High ambient objects will give you "real" area lights.


Povingly,


Philippe

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