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"Steve" <ste### [at] zeropps uklinux net> wrote in message
news:slr### [at] zeropps org uk...
> On Wed, 18 Sep 2002 15:40:25 +0100, Tom Melly wrote:
> > photons, media and iso-surfaces... why is it always the hardest things to
get
> > right are also the ones that take longest to render?
> >
>
> I like the lines on the sea bed.
>
Thanks - iso-surface btw...
#declare Bed_func = function(x,y,z){
y +
10 +
(sin(x*5 - sin(z + f_noise3d(x,0,z))*1)/20) -
(sin((x+z)*1 -
sin(z + f_noise3d(x,0,z))*1)/30)
}
#declare Bed_base =
isosurface {
function { Bed_func(x, y, z) }
contained_by {sphere{0,Cont_rad}}
accuracy 0.001
max_gradient 2
pigment{rgb<0.9,0.9,0.6>}
}
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