Dear all,

I am trying to use povray to display the 3d distribution of a value (i.e.
temperature) as color mapped on the surface of a body. So when I do an
intersection with another object, to be able to see the color temperature
mapping on the interior of the first. The values I have is the temperature
for every voxel in space.
I tried to use the following:
intersection {
 box {  // initial object with the temperature mapping
  <0,0,0>, <1,1,1>
  translate <-0.5,-0.5,-0.5>
 }
 box { // Clipping object
  <0,0,0>, <1,1,1>
  inverse
 }
 interior {
  media {
   density {
    density_file df3 "temp.df3"
    interpolate 1
    color_map {
        [0.00 rgb <1,1,1>]
        [0.10 rgb <1,0,1>]
        [0.20 rgb <0,0,1>]
        [0.40 rgb <0,1,0>]
        [0.60 rgb <0,1,1>]
        [0.80 rgb <1,0,0>]
        [1.00 rgb <1,1,1>]
     }
   }
  }
 }
 hollow
}

but I get a black screen. Is this the correct way of doing?

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