well, right now I have this...

 box{<-1,0,-1>*1e3,<1,1,1>*1e3 hollow
  texture{pigment{color rgbf 1}}
  interior{
   media{
    //absorption
    scattering{ 1 (1-Tan) * 0.2
     extinction .1
    }
    intervals 5
    density{granite}
    density{bumps scale <1,0.1,1>}
   }
  }
 }

and it's not black, but it's taking approximately 100,000 years to render.



"Marc Jacquier" <jac### [at] wanadoofr> wrote in message
news:43e2657c$1@news.povray.org...
>

message
> de news:43e2422f@news.povray.org...
> > can anyone help me get started on the media?  I keep getting an entirely
> > black image.
> If image becomes black when you put media, it may be that scattering_color
> is way too high or the object containing media is way too big
>
> could you show your material and container code?
>
>

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