"J-Print News" <vir### [at] iconcoza> wrote in message
news:3a6bd499@news.povray.org...
> Another question. What exactly is meant by the term 'patch'?

Patches are like 2D areas which can be curved in a 3D way.  Like parts of a
patchwork quilt.
Triangles and polygons could be said to be patches also I suppose, except you
can't bend a triangle physically and the usual polygon is flat too (although
points could leave the 2D plane).
Hopefully I'm not misinforming too much.

Bob H.

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