> Is turbulence so internal in POV-Ray that I cannot
> create a mathematical function for it?
>
> I think i can do what I need to do with f_noise3d, but how
> do I "simulate" lambda, octaves and omega with it?

Until a more specific answer comes up, maybe with a formula for you, you
could read about perlin noise this way:

http://www.google.com/search?hl=da&ie=ISO-8859-1&q=perlin+noise&lr=

There is a lot of interesting stuff and different kind of explanations.

Regards,
Hugo

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