What is FBmod, line 38?
thanks,
.d

"Tek" <tek### [at] evilsuperbraincom> wrote in message
news:3c759063@news.povray.org...
> // see p.b.i message "It's not friday, and it's not meant to be an
abstract, but
> anyway..."
>
> // hopefully this source will produce the image I've posted,
> // but I might have changed it after that point!
>
>
> // media spike with funky errors
> // by tek
>
>
> // includes
>
> #include "rad_def.inc"
>
>
> // global set up
>
> global_settings {
>  max_trace_level 5
>  radiosity {
>     Rad_Settings(Radiosity_Fast, off, off)
>  }
> }
>
>
> // the scene
>
> camera {
>  #declare image_dim = sqrt(image_width*image_height); // kind of average
> dimension
>  right   x*image_width/image_dim
>  up    y*image_height/image_dim
>  direction z*0.6
>
>  location <1,0.1,-3>*1500
>  look_at y*2500
> }
>
> light_source {
>  <-1,3,-2>*10000
>  rgb fBmod*1
> }
>
>
> sphere {
>  -10000*y, 20000 // -6000000*y, 6020000
>
>  hollow on
>
>  material {
>   texture { pigment { rgbt 1 } }
>   interior {
>    media {
>     scattering {
>      1, rgb <0.2,0.3,1.0>
>      extinction 0.5
>     }
>     absorption 0
>
>     method 3 // this is the default in pov 3.5, included for clarity.
>
>     aa_level 12
>     aa_threshold 1/255
>     variance 1/255
>     confidence 0.9
>
>     density {
>      function {
>       1/(0.001 + sqrt(x*x + z*z)*y)
>      }
>      scale 1000
>      translate -10*y
>
>      poly_wave 3
>
>      colour_map {
>       [0 rgb 0]
>       [1000 rgb 5]
>      }
>     } // density
>    } // media
>   }// interior
>  }// material
> }// sphere
>
> plane { y, 0 pigment { rgb 1 } }
>
>
>

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