Nicolas Alvarez <nic### [at] gmailcom> wrote:
...
> That's not possible. "poly-displacement" only works if you have polygons to
> begin with. POV-Ray doesn't use polygons for most of its objects.

I know, that the PixarRenderman can real displace also objects, that are
defined, using the RIB-Language, such as spheres or boxes.

A micropolygon is that part of an surface, that appears in the very pixel of the
image. (Every pixel builds a polygon) I don't know, if its based on normal
polygons. In the Renderman, you can displace *everything* except media. And a
lot of object are definitely _not_ polygon-based, like NURBS or patches. The
surface appears of other formulas (see posting before) +the
displacement-algorithm.

Maybe, its just the name of 'micropolygon' the may confuse.

Holger

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