29. June Mike Andrews posted an image to
povray.binaries.images:
"Perlin's Improved Noise comparison ... (24K)"

The same day he also posted code for his test image to
povray.binaries.scene-files:
"Perlin's Improved Noise - SDL version"

I have now had a look at his code and have made a macro
that can produce noise functions that don't have the
"defects" of earlier Perlin noise functions. (I haven't
really verified this, but the results seems ok so far.)

My macro can be found in my reply today to his post
in povray.binaries.scene-files

I haven't yet looked at the source code for the noise
generators in POV-Ray v3.5 (or v3.6), so I don't know
if any or all of them use the "old" Perlin noise.

-- 
Tor Olav
http://subcube.net
http://subcube.com

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