In povray.general Rafal 'Raf256' Maj <spa### [at] raf256com> wrote:
> Btw, I think it would be much more natural if *all* lights (not only 
> light_sources direct rays, but also radiosity and photons rays) would have 
> fade_power 3 and some arbitrary fade_distance. This is the correct phisical 
> model AFAIR?

  Radiosity produces a physically correct lighting automatically because
it computes the percentage of the area of a surface with regard to all
the visible hemisphere. This automatically causes a surface to cast less
light on the current surface if it's farther away.

-- 
plane{-x+y,-1pigment{bozo color_map{[0rgb x][1rgb x+y]}turbulence 1}}
sphere{0,2pigment{rgbt 1}interior{media{emission 1density{spherical
density_map{[0rgb 0][.5rgb<1,.5>][1rgb 1]}turbulence.9}}}scale
<1,1,3>hollow}text{ttf"timrom""Warp".1,0translate<-1,-.1,2>}//  - Warp -

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