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In article <3a467ec5@news.povray.org>, "Chris Colefax"
<chr### [at] tag povray org> wrote:
> As for accuracy, this is generally determined only by the rendering
> resolution - all POV-Ray's internal patterns are algorithmic, and can
> be scaled to any reasonable size without degradation (barring
> precision limits, and a small bug with the current implementation of
> "noisy" patterns).
Actually, the "accuracy" is a constant in the official version, and is
always set to 0.02, so it probably could give inaccurate results in
normals with finely scaled patterns. This only applies to normals, and
only normals using slope_maps or which aren't built-in.
MegaPOV allows you to set this "delta" value with the "accuracy"
keyword, which defaults to 0.02 in the normal statement.
--
Christopher James Huff
Personal: chr### [at] mac com, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tag povray org, http://tag.povray.org/
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