"Slime" <fak### [at] emailaddress> wrote in message
news:40cff8c2$1@news.povray.org...
> >      function {y-f_noise3d(x*2,y,z*2)*0.5+0.3}  // +0.4
>
> I'm wondering why you're basing your function off of the height, when
you've
> already got a gradient y pattern density. Why don't you just use f_noise3d
> without the "y - "?
>

I don't have a gradient y. I've got a gradient z to stop the backgroud
getting too bright

Gail
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