Tom Melly wrote:
> I rendered the sample-scene and saw what you meant. This rings a vague
> bell...
> 
> http://news.povray.org/povray.advanced-users/thread/%3C3d14a873%40news.povra
> y.org%3E/
> 
> but that's from 3.5RC6 days, and implies it was a known issue that would be
> resolved, so I'm a bit lost. It seems odd that I've never noticed it - I use
> f_noise3d fairly frequently.

Thanks for the info, looking at the discussion and the code it is
quite a complex problem...

I can't help feeling there must be an algorithm which doesn't suffer
from these problems, I might have a play around and see if I can
find one..

Regards,

Bernard

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