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here's the code several people have asked for - it's a mess.... based on
some code posted by Kevin Ellis a couple of years ago.
difference {
sphere { 0,Rad}
sphere {0,Rad-15000}
material{
texture{
pigment{ rgbf 1}
}
interior{
media{
scattering {2,<.01,.012,.01>/2.75 extinction 1/2.75 } //was 1.75
method 3
samples 15,15
intervals 1
density { //one
wrinkles
ramp_wave
//turbulence .3
color_map {
[0 rgb 0]
[0.4 rgb 0] //was .4
[0.6 rgb 0.275] //0.275
[1 rgb 0.475] //0.475
}//colmap
scale <10000,5000,9000>/1.5
rotate y*25
translate <1000,Rad-30000,0>
}//density
density {//2
//boxed
marble
//agate
//wrinkles
//spotted
triangle_wave
//sine_wave
turbulence 1.5
color_map {
[0 rgb 0]
[0.3 rgb 0] //was 3
[0.75 rgb 0.25] //0.2
[1 rgb 0.5] //0.4
}//colmap
scale <10000,5000,7500>*10 //10
rotate y*-25
translate <0,Rad-30000,0>
}//density
}//media
}//interior
}//material
hollow
rotate y*70
rotate z*15
translate <0,32000-Rad,0>
}//difference
Mick
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![](/i/fill.gif) |