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Amiga MA Magazine 1998 #7
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amigamamagazinepolishissue1998.iso
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varia
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povray3
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povray3_fpu
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povscn
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level1
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checker2.pov
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1997-12-12
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// Persistence Of Vision raytracer version 3.0 sample file.
// File by Dan Farmer
// Demonstrates one use of the powerful filter parameter for colors.
#version 3.0
global_settings { assumed_gamma 2.2 }
#include "colors.inc"
#include "skies.inc"
camera {
location <-1.5, 30.0, -150.0>
direction <0.0, 0.0, 2.0>
up <0.0, 1.0, 0.0>
right <1.33333, 0.0, 0.0>
look_at <0.0, 25.0, 35.0>
}
light_source { <100.0, 100.0, -200.0> colour White }
/* Now draw the sky */
sky_sphere { S_Cloud3 }
/* sphere { <0.0, 0.0, 0.0>, 200000.0
finish {
ambient 1.0
diffuse 0.0
}
pigment {
bozo
turbulence 0.35
colour_map {
[0.0 0.5 colour red 0.5 green 0.6 blue 1.0
colour red 0.6 green 0.5 blue 1.0]
[0.5 0.6 colour red 0.5 green 0.6 blue 1.0
colour red 1.0 green 1.0 blue 1.0]
[0.6 1.001 colour red 1.0 green 1.0 blue 1.0
colour red 0.5 green 0.5 blue 0.5]
}
quick_color SkyBlue
scale 100000.0
}
} */
plane { <0.0, 1.0, 0.0>, 0.0
pigment { NeonBlue }
finish {reflection 0.15}
}
/*******************************************************************************/
/*
This next object uses the filter parameter to make a sphere with
a "cutout" checker pattern.
Don't limit this idea to checker patterns. Try it with gradient and
bozo, for example. Or maybe marble with filter 1.0 for all but the
"veins".
Try a series of "nested" concentric spheres, all with the transparent
checker pattern as its surface, perhaps in different colors.
*/
sphere { <0.0, 25.0, 0.0>, 25.0
pigment {
checker colour YellowGreen colour Clear
quick_color White
scale <4.0, 50.0, 2.0>
rotate <90, 0.0, -90.0>
}
finish {
brilliance 8
phong 1
phong_size 100
}
bounded_by { sphere { <0.0, 25.0, 0.0>, 25.2 } }
}