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cliptst2.pov
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1998-06-24
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// Persistence Of Vision raytracer version 3.0 sample file.
// Clipped_by example
#version 3.0
global_settings { assumed_gamma 2.2 }
#include "colors.inc" // Standard colors library
#include "textures.inc" // LOTS of neat textures. Lots of NEW textures.
camera {
location <2.0, 4, -4>
direction <0.0, 0.0, 1.5>
up <0.0, 1.0, 0.0>
right <4/3, 0.0, 0.0>
look_at <0, 0, 0>
}
// Light source
#declare Grayscale = 0.25
#declare AmbientLight = color red Grayscale green Grayscale blue Grayscale
light_source { <-20, 30, -100> color White }
light_source { <50, 50 ,15> color AmbientLight }
// A hollow sphere using a clipping plane. This sphere has no "thickness"
// to its walls, no matter what the scaling.
sphere { <0, 0, 0>, 1
clipped_by { plane { <0, 1, 0>, 0.25 } }
finish {
Phong_Glossy
ambient 0.2
}
pigment {
gradient <1, 1, 1>
// Notice the -1 to +1 color range. This is just to demonstrate
// that this is a valid form for a color map. It's not really
// neccessary in this case to do it this way, but thought I'd
// use it for instructional value.
color_map {
[-1.0 0.0 color Yellow color Cyan ]
[ 0.0 1.0 color Cyan color Magenta]
}
scale <0.1, 0.1, 0.1>
}
translate <-2, 1, 0>
}
// Hollow sphere done with intersection.
intersection {
sphere { <0, 0, 0>, 1 } // outer wall
sphere { <0, 0, 0>, 0.85 inverse } // inner wall
plane { <0, 1, 0>, 0.25 } // top surface
finish {
Phong_Glossy
ambient 0.2
}
pigment {
leopard
color_map {
[0.0 0.10 color Yellow color Red ]
[0.10 0.98 color Red color Blue ]
[0.98 1.00 color Magenta color Yellow ]
}
// scale <0.05, 1.0, 0.05>
scale <0.025, 1.0, 0.025>
}
translate <2, 1, 0>
}
// Flat-topped sphere/plane intersection
intersection {
sphere { <0, 0, 0>, 1 } // outer wall
plane { <0, 1, 0>, 0.25 } // top surface
finish {
Phong_Glossy
ambient 0.2
}
pigment {
onion
turbulence 10 // try with 0 turb, too!
octaves 2
color_map {
[0.0 0.30 color Yellow color Orange ]
[0.30 0.90 color Orange color Magenta ]
[0.90 1.00 color Blue color Green ]
}
}
translate <0, 1, -1>
}