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// Persistence Of Vision raytracer version 3.5 sample file.
// "Black and White Stripes"
// Copyright 2001 Rune S. Johansen
// -w320 -h240
// -w800 -h600 +a0.3
// This scene makes use of a contrast enhancing filter.
// For more information, see the demo scene transmitfx.pov
// located in the folder \scenes\textures\pigments\
// The idea is to create a woodcut look where dark areas are
// made of thick black stripes and bright areas are made of
// thin black stripes. This effect is achieved by giving all
// objects a grayish gradient pigment. The brighter parts of
// the gradient becomes white and the darker parts black.
// Because the light from the light_source also makes the
// gradient brighter, the white stripes are more dominant in
// the illuminated areas on the objects.
camera {
location <0,6,-10>
look_at 4*y
}
// A small sphere around the camera location with a
// contrast enhasing texture.
// (Also try to render with this sphere commented out
// to see how the scene looks without the filter.)
sphere {
<0,6,-10>, 0.001 hollow
pigment {color rgb 0.5 transmit 100}
finish {ambient 1 diffuse 0}
}
// A light source
light_source {<0,10,0>, color 1}
// The grayish gradient pigment which is applied to all
// objects in the scene by making it the default.
#default {
texture {
pigment {
gradient y
triangle_wave
color_map {[0, rgb 0.5][1, rgb 1.0]}
scale 0.3 rotate 20
}
finish {ambient 0.55 diffuse 0.25}
}
}
#declare Column =
union {
cylinder {0.0*y, 0.4*y, 1.2}
cylinder {0.4*y, 3.6*y, 0.8}
cylinder {3.6*y, 4.0*y, 1.2}
torus {0.8, 0.4 translate 0.4*y}
torus {0.8, 0.4 translate 3.6*y}
}
// Four columns
object {Column translate -4*x rotate 000*y}
object {Column translate -4*x rotate 060*y}
object {Column translate -4*x rotate 120*y}
object {Column translate -4*x rotate 180*y}
// One object hovering over each column
union {
sphere {0, 1 translate -4*x rotate 000*y}
box {-0.9, 0.9 rotate <45,10,45> translate -4*x rotate 060*y}
cylinder {-x, x, 0.9 rotate <-20,20,-10> translate -4*x rotate 120*y}
torus {0.7, 0.4 rotate <50,45,0> translate -4*x rotate 180*y}
translate 5.5*y
}
// A quick room
box {<-8,0,-12>, <8,12,8> hollow}
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