Yes, this is what I am after indeed, ultimately. Thanks for the example; I 
am going to work on that too, besides all that is still to do :-)

Thomas

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"Trevor G Quayle" <Tin### [at] hotmailcom> schreef in bericht 
news:web.4d91fa3ed16f200e81c811d20@news.povray.org...
> Much more convincing.  Still more regular than cobblestones would be, but 
> I
> think I can live with it...
>
> Have you ever tried adapting crackle pattern to cobblestones?  May be some
> ptoential depending on form and metric used.  I have used it for random 
> raindrop
> ripples in water.
>

That is something that has slipped my mind indeed. Thanks for reminding me 
:-)

Thomas

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