"Jim Charter" <jrc### [at] msncom> wrote in message 
news:4510b4d2$1@news.povray.org...
> St. wrote:
>
>>   Anyway, is there some function that will achieve the desired effect? I 
>> guess something like a lightning function would do it.
>>
>
> The problem, especially the feathery look, makes me think of some of Paul 
> Bourke's experiments:
> http://local.wasp.uwa.edu.au/~pbourke/fractals/dla3d/

    You're quite right. Thanks Jim. (That page loaded SO much faster than 
when I tried it the other day!)  ;)

    The fifth one down, right-hand side, looks like it would do the job well 
with a longer container cylinder. Maybe Paul will work on a win version one 
day.

     ~Steve~

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