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"Gena Obukhov" <obu### [at] mail com> schrieb im Newsbeitrag
news:3DA10D20.A10F06A6@mail.com...
> Unfortunately, the bark doesn't follow the spline.
That's why I said you should declare your isosurface function first :-) How
about the if you displace the bark function too, you will get better
results.
How about this?
#declare Trunk_Fun= function {pow(y ,2) + pow(z , 2) - 0.07 +
F1(x,y,z).grey*0.025}
#declare Trunk1 = isosurface {
function {Trunk_Fun(x,y- S(x).y, z- S(x).z)}
max_gradient 5
contained_by{box{<0, -0.2, -1>, <0.8, 2, 1>}}
pigment{Bark1}
finish {ambient 0.2 phong 0}
rotate -x*90
scale<4, 1, 1>
rotate z*90
}
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