Absolutely great !!
Thanks for showing that, functions seem to be an infinite reserve of new 
stuff.

JC

Alex Kluchikov wrote:
>  I always wanted to make curly pattern. And yesterday I finally did it. Two of these
patterns are based on 
> standard POV paterns -- curles_1 is based on crackle and curles_2 is based on bumps.
Third one is function 
> pattern.
>  Actually, we need to calculate gradient of pattern, calculate angle (I used radial
pattern) and shift the band.
> It's diffucult to explain. May be, it would be better to post sources, if anybody
wants?
> 
>  Sincerely yours, Alex Kluchikov
> 
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