On Mon, 12 May 2003 12:20:45 -0400, Christopher James Huff
<cja### [at] earthlinknet> wrote:

>Perlin noise is not self-similar at different scales, though. It is 
>self-similar at one scale only.
>Now, things like sum 1/F-noise are fractal. (wrinkles, granite)

You're right, of course. Perhaps I should have specified that some of
the patterns in POV that implement Perlin noise use it in 1/F fractal
noise implementations. Nitpick :)


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG      e-mail : pet### [at] tagpovrayorg

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