I am trying to multiply some pigments together and then apply them to a
heightfield. However the render is blank. Compare pigment_5 (average)
with pigment_6 (multiply). The latter is blank the former is not.
What am I doing wrong?
Render as a square image using this image as input:
https://en.wikipedia.org/wiki/File:Heightmap.png
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Download 'slopemap.pov.txt' (3 KB)
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