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POV31G30
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POVRAY_3.1G
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MEDIA
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MEDIA4.POV
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1999-10-30
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106 lines
// Persistence Of Vision raytracer version 3.1 sample scene by Chris Young.
//
// This scene shows the effect of multiple density statements.
//
#include "colors.inc"
camera {location <0, 0, -100>}
plane { z, 50
pigment {checker Yellow, White scale 20}
finish {ambient 0.2 diffuse 0.8}
hollow
}
// Declare 2 similar density. Only the color map differs.
#declare Density1=
density {
spherical
ramp_wave
color_map {
[0.0 color rgb <0.0, 0.0, 0.0>]
[0.2 color rgb <1.0, 0.3, 0.1>]
[1.0 color rgb <1.0, 1.0, 0.1>]
}
}
#declare Density2=
density {
spherical
ramp_wave
color_map {
[0.0 color rgb <0.0, 0.0, 0.0>]
[0.2 color rgb <0.1, 1.0, 0.3>]
[1.0 color rgb <0.1, 1.0, 1.0>]
}
}
// Sphere on the left contains 2 density but one media
// Results are the colors multiply
sphere { 0, 1.5
pigment { color rgbf<1, 1, 1, 1> }
finish { ambient 0 diffuse 0 }
interior {
media {
emission 0.05
intervals 5
samples 1, 10
confidence 0.9999
variance 1/1000
density {
Density1
translate -y/3
}
density {
Density2
translate y/3
}
}
}
translate -1.25*x
scale 24
hollow
}
// Sphere on the right contains 2 media, each with 1 density
// Results are the colors add.
sphere { 0, 1.5
pigment { color rgbf<1, 1, 1, 1> }
finish { ambient 0 diffuse 0 }
interior {
media {
emission 0.05
intervals 5
samples 1, 10
confidence 0.9999
variance 1/1000
density {
Density1
translate -y/3
}
}
media {
emission 0.05
intervals 5
samples 1, 10
confidence 0.9999
variance 1/1000
density {
Density2
translate y/3
}
}
}
translate 1.25*x
scale 24
hollow
}
light_source {
<500, 600, -500>
color White
}