Chris Colefax wrote in message <388f7a39@news.povray.org>...
>Would translating the pigment by random amounts be enough?  I use this
>method in the Galaxy include file to produce differently shaped nebulae,
>based on POV-Ray's various noise patterns, eg:
>
>   #declare R1 = seed(0);
>   #declare Patterns = array[15]
>
>   #declare C = 0; #while (C < 15)
>      #declare Patterns[C] = pigment {bozo
>         translate (<rand(R1), rand(R1), rand(R1)>-.5)*1000}
>   #declare C = C + 1; #end
>
>Depending on how random you want the patterns you could add random scalings
>and rotations as well.


thanks, that's just perfect.

Gail
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