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"Christoph Hormann" <chr### [at] gmx de> wrote in message
news:3CFBC9CD.9539E2E1@gmx.de...
>
>
> >
> > I tried to write IC_Mesh for iso_csg library but failed at "More than
65535
> > constants in all functions are not supported" error. But IC_Triangle
works
> > pretty fine.
>
> Maybe wait for RC6... ;-)
>
> IC_Mesh sound pretty complicated, at least it will be awfully slow i
> suppose...
>
Even the simple code is slow:
--- start code ---
#declare pigSea = pigment {
bozo
turbulence 1.5
sine_wave
color_map {
[ 0 rgbf <0, 1, 0, 1> ]
[ 1 rgbf <0, 0, 1, 1> ]
}
scale 50
}
#declare matSea = material {
texture {
pigment { pigSea }
normal { bozo scale 50 }
finish {
reflection { 0.1, 0.7
metallic 0.4
}
conserve_energy
phong 0.645
phong_size 130
metallic 0.4
}
}
interior {
ior 1.3
caustics 0.5
media {
absorption <1.0, 0.7, 0.2>*.01
method 3
samples 3,25
intervals 1
}
}
}
// Sky
#declare Sky1 = pigment { image_map { png "skyday9.png" interpolate 2 }
scale .5 }
#declare Sky = sky_sphere { pigment { Sky1
warp { spherical orientation z dist_exp 1 }
rotate x* 180
} }
sky_sphere { Sky }
// Ocean
#declare fnpSea0 = function { pigment {
waves
turbulence 0.4
color_map { [ 0 rgb 0 ] [ 1 rgb 1 ] }
} }
#declare fnpSea1 = function { pigment {
ripples
turbulence 0.9
color_map { [ 0 rgb 0 ] [ 1 rgb 1 ] }
} }
#declare fnpSea2 = function { pigment {
bozo
turbulence 0.7
color_map { [ 0 rgb 0 ] [ 1 rgb 1 ] }
} }
#declare fnSea = function {
fnpSea0(x*.1,0,z*.1).gray*4+fnpSea0(x*3,0,z*3).gray*2-fnpSea2(x,0,z).gray }
#declare Sea = union {
isosurface {
function { y - fnSea(x*.01,y,z*.01) }
contained_by { box { <-3000, -1, -3000>, <3000, 8, 3000> } }
accuracy 0.01
max_gradient 10
}
box { <-3000, -750, -3000>, <3000, -1, 3000> }
}
object { Sea pigment { pigSea } }
--- end code ---
And it gets worse if you replace pigSea with matSea.
Isosurface optimizations, anyone?
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