> Sounds like you're talking about something like this:
> http://www.cs.utah.edu/~bes/papers/height/paper.html
>
> There is a landscape example with the equivalent of 1,000,000,000,000
> triangles. And instead of generating and discarding millions (or
> billions) of unused microtriangles, it generates them as needed.


That is very neat. It has some restrictions on
how the displacements can be expressed, but still,
offers a compelling option over bumpmapping.

Would you know if this algorithm is being considered
for inclusion in POV-Ray?

Thanks,
Ray

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