Thanks Zeger!

That looks like it may work but when I run the Cloud POV Ray file in 3.5 I
get a black background and no cloud. Is there something I might be doing
wrong. I see a reference to something called superpatch but don't know what
that is.

"Zeger Knaepen" <zeg### [at] studentkuleuvenacbe> wrote in message
news:3c55a5f9$1@news.povray.org...
> On my site (Tutorials->POV-Ray->Tips and Tricks) I explain how to make not
too slow but
> good looking clouds.
>
> cu!
> --
> camera{location-z*3}#macro G(b,e)b+(e-b)*(C/50)#end#macro L(b,e,k,l)#local
C=0
> ;#while(C<50)sphere{G(b,e),.1pigment{rgb G(k,l)}finish{ambient 1}}#local
C=C+1
> ;#end#end
L(y-x,y,x,x+y)L(y,-x-y,x+y,y)L(-x-y,-y,y,y+z)L(-y,y,y+z,x+y)L(0,x+y,
> <.5,1,.5>,x)L(0,x-y,<.5,1,.5>,x)               // ZK
http://www.povplace.be.tf
>
>

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