Thanks. It helped. See doc before talk! Ok!
"Warp" <war### [at] tagpovrayorg> wrote in message
news:413a1833@news.povray.org...
> Ramanan.M.G <bak### [at] vsnlcom> wrote:
> > How do I create streaming light rays through a bunch of trees, in foggy
> > atmosphere? I tried using 'media_attenuation', but the effect is not
there.
> > Any help would be appreciated.
>
>   There's a simple media tutorial in the 3.6.1 documentation. See if it
> helps.
>
> --
> 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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