Wlodzimierz ABX Skiba wrote:
> 
> >
> > I don't see the photons
> 
> that's my problem
> 
> > and where is the light source?
> 
> sorry for cutting
> sky_sphere{pigment{gradient y color_map{[0 color blue .6][1 color rgb 1]}}}
> light_source{<-30,30,-30>color rgb 1}
> 

I think you need to have a photons{} block in the light source to activate
them, something like:

photons { reflection on refraction on }

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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