Am 26.03.2012 23:22, schrieb eticre:
> I found this very nice example of sky
>
> http://www.f-lohmueller.de/pov_tut/backgrnd/pov/p_sky06.txt
>
> but with 3.7 version and radiosity they not work, sky is gray and clouds are
> black.
>
> ambient_light is set to 0 in 3.7 version?

Yes - if you're using radiosity and "#version 3.7".

To model materials that are supposed to emit light, a new "emission" 
parameter has been added to the finish block, which works regardless of 
whether the scene uses radiosity or not. The "ambient" parameter is now 
supposed to be used only for brightening up shadows in non-radiosity scenes.

To make your scene work with "#version 3.7", simply replace all "ambient 
1" with "emission 1" in the sky definition (but do keep the "ambient 
0.1" in the ground material).

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