On Tue, 12 Feb 2002 09:26:18 -0000, "Mick Hazelgrove"
<mic### [at] mhazelgrovefsnetcouk> wrote:
> I want to use a custom function as a  pattern in a pigment statement.
> Which I shall then use to create clouds using the plane
> method. What I need is the fuction for a spiral!

I suppose this is not enough for you ?

#local F=function{pattern{spiral1 3}};
#local F=function{pattern{spiral2 7}};

What exactly you want control in this spiral ?
Do you want special kind of spiral ? Archimedes ? Logarithmic ? Hiperbolic ?

ABX

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