Hi,

I did a very simple (although somehow brain damaged) thing:

A simple scene, haveing a box. which has the following pigment:

      pigment {
        wood
        frequency 5
        colour_map {
            [0, red 1 green 1 blue 1 transmit 1.0]
            [0.5, red 0 green 0 blue 0 transmit 1.0]
         }
      }
This resulted in an invisible box (no surprise) and a light blue
spot at the ground - which was a surprise.

Anybody knows why this looks like it looks?

Thanks

Alexander

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