Generating a heightmap 2004-02-26 - By Neto
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> I also tried taking a snapshot of the scene from above having
> recoloured everything to white with a fog, and checking the height based
> on pixel brightness - but fell down when I couldn't think of a way to
> scale the image down by a 12th and still retain the brightest colour in
> each pixel.
Maybe you could try rebuilding all models into #mesh primitives and change
their vertex colors based on their Z value relative to the camera. Better
yet, you could compare all the vertices' Z values to the camera, and define
a mazimum and a minimum values, and thus maximize your color range usage.
Then scale the camera to the size you need, and take a snapshot.
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