Mick Hazelgrove wrote:

> I think that handling randomness in pov is really difficult to control -
> IMHO it's an area that could be improved.

This is has become much better with megapov.  You can try vturbulence() or, for
more control, eval_pigment() or eval_pattern(). All these functions may provide
"intelligent" randomness, i.e. randomness who knows where it is and what it
does.

G.

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