box{
  -1, 20
  hollow
  pigment{ color rgbt 1 }
  interior
  {
    media
    {
      emission 1

      density
      {
	density_file df3 "00001017.df3"
	interpolate 2
      }
    }
  }
}

camera {
  location <-5,0,0>
  angle 50
  sky <0,0,1>
  up <0,0,1.0> right <0, -1.3333,0>
  look_at <0,0,0>
}

light_source{
  <0, 1000, 1000> 
  rgb 0.5
}

background { rgb <0.1, 0.1, 0.2> }

global_settings{
  max_trace_level 256
}