Christoph Hormann wrote:

> 
> It is used for most patterns with random structure (like bozo/bumps,
> dents, wrinkles, granite, etc. but not in crackle), in turbulence and in
> some functions.

Is the idea of noise to provide a 3d-field of random values which change 
smoothly (order 1 or 2 differentability)? I think there has been a link to 
an article posted recently.. I'll search for it.

- Micha

-- 
http://objects.povworld.org - the POV-Ray Objects Collection

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