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"Johannes Dahlstrom" <sad### [at] tkukoulu fi> wrote in message
news:3dc77c06@news.povray.org...
> The functions used to produce the craters pattern used in my craters test
> image in p.b.i.
Hi. I tried your source with lights, camera and the following and got only a
black screen. Is there something special you are doing with the camera,
perhaps?
thanks,
.d
isosurface {
function { Craters(x,y,z)}
contained_by { box { -5, 5 } }
accuracy 0.1 max_gradient 7
texture {
pigment { color rgbf < 0.90*clock, 0.55 , 0.55 , 0.9 > }
finish {ambient 0.1 diffuse 0.75 specular .75 roughness .05 }
normal {granite .2 scale .5}
}
translate <0,2.5,0>
}
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You forgot to difference it from a plane or sphere or something. Put:
y-
in front of the Craters(x,y,z) and it will show up. I had to scale the
isosurface up to see the craters though.
--
Farewell,
Bob
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