No they don't produce the pattern I need - I need several spirals, spiral arms all
radiating out from the center point. I need
control over the tightness of the spirals and the number of arms.

Mick


> 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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