/usr/share/povray-3.7/include/skies.inc is in povray-includes 1:3.7.0.0-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a
// letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
// Persistence of Vision Ray Tracer version 3.5 Include File
// File: skies.inc
// Last updated: 2001.7.24
// Description: Sky textures, sky_spheres, and sky objects.
#ifndef(Skies_Inc_Temp)
#declare Skies_Inc_Temp = version;
#version 3.5;
#ifdef(View_POV_Include_Stack)
#debug "including skies.inc\n"
#end
/*
Persistence of Vision Raytracer Version 3.1
Contents:
Pigments: (building blocks for the stuff below)
P_Cloud1 pigment layer, contains clear regions. Use with background.
P_Cloud2 pigment layer, contains clear regions. Use with background.
P_Cloud3 pigment layer, contains clear regions. Use with background.
SkySpheres:
S_Cloud1 sky_sphere, uses P_Cloud2.
S_Cloud2 sky_sphere uses P_Cloud2.
S_Cloud3 sky_sphere uses P_Cloud3.
S_Cloud4 sky_sphere uses P_Cloud3.
S_Cloud5 sky_sphere. Opaque.
Textures:
T_Cloud1 2-layer texture using P_Cloud1 pigment, contains clear regions.
T_Cloud2 1-layer texture, contains clear regions.
T_Cloud3 2-layer texture, contains clear regions.
Objects:
O_Cloud1 sphere, radius 10000 with T_Cloud1 texture.
O_Cloud2 union of 2 planes, with T_Cloud2 and T_Cloud3.
*/
#declare P_Cloud1 =
pigment {
bozo
turbulence 0.65
octaves 6
omega 0.7
lambda 2
color_map {
[0.0, 0.1 color red 0.85 green 0.85 blue 0.85
color red 0.75 green 0.75 blue 0.75]
[0.1, 0.5 color red 0.75 green 0.75 blue 0.75
color Clear]
[0.5, 1.001 color Clear
color Clear]
}
scale <6, 1, 6>
}
#declare P_Cloud2 =
pigment {
wrinkles
turbulence 0.65
octaves 6
omega 0.7
lambda 2
color_map {
[0.0, 0.1 color red 0.85 green 0.85 blue 0.85
color red 0.75 green 0.75 blue 0.75]
[0.1, 0.5 color red 0.75 green 0.75 blue 0.75
color rgb <0.258, 0.258, 0.435> ]
[0.5, 1.001 color rgb <0.258, 0.258, 0.435>
color rgb <0.258, 0.258, 0.435> ]
}
scale <6, 1, 6>
}
#declare P_Cloud3 =
pigment {
bozo
color_map {
[0.0, 0.1 color red 0.85 green 0.85 blue 0.85
color red 0.55 green 0.60 blue 0.65]
[0.1, 0.5 color red 0.55 green 0.60 blue 0.65
color rgb <0.184, 0.184, 0.309> ]
[0.5, 1.001 color rgb <0.184, 0.184, 0.309>
color rgb <0.1, 0.1, 0.2>]
}
turbulence 0.65
octaves 6
omega 0.707
lambda 2
scale <6, 4, 6>
}
#declare P_Cloud4 =
pigment {
wrinkles
turbulence 0.1
lambda 2.2
omega 0.707
color_map {
[0.20 SkyBlue * 0.85 ]
[0.50 White ]
[1.00 Gray70 ]
}
scale <0.5, 0.15, 1>
}
#declare S_Cloud1 =
sky_sphere {
pigment {
gradient y
pigment_map {
[0.01 rgb <0.847, 0.749, 0.847> ] // horizon
[0.25 P_Cloud2 scale 0.25 rotate z*5]
[0.60 P_Cloud3 scale <0.25, 0.15, 0.25> rotate z*10]
}
}
}
#declare S_Cloud2 =
sky_sphere {
pigment {
gradient y
pigment_map {
[0.00 rgb <0.847, 0.749, 0.847> ] // horizon
[0.10 SkyBlue ] // horizon
[0.20 P_Cloud4 ]
}
}
}
#declare S_Cloud3 =
sky_sphere {
pigment {
gradient y
pigment_map {
[0.10 rgb <0.258, 0.258, 0.435> ]
[0.25 P_Cloud2 scale 0.15 ]
}
}
}
#declare S_Cloud4 =
sky_sphere {
pigment {
gradient y
pigment_map {
[0.00 rgb <0.184, 0.184, 0.309> ]
[0.15 P_Cloud3 scale <0.05, 0.40, 0.05> rotate z*30 ]
[0.45 P_Cloud3 scale <0.25, 0.15, 0.50> ]
}
}
}
#declare S_Cloud5 =
sky_sphere {
pigment { rgb <0.258, 0.258, 0.435> }
pigment {
bozo
turbulence 1.5
octaves 10
omega .5
lambda 2.5
color_map {
[0.0, 0.5 color rgbt<.75, .75, .75, 0>
color rgbt<.9, .9, .9, .9> ]
[0.5, 0.7 color rgbt<.9, .9, .9, .9>
color rgbt<1, 1, 1, 1> ]
[0.7, 1.0 color rgbt<1, 1, 1, 1>
color rgbt<1, 1, 1, 1> ]
}
scale <1, 0.3, 10>
}
pigment {
bozo
turbulence 0.6
octaves 10
omega .5
lambda 2.5
color_map {
[0.0, 0.4 color rgbt<.75, .75, .75, 0>
color rgbt<.9, .9, .9, .9> ]
[0.4, 0.7 color rgbt<.9, .9, .9, .9>
color rgbt<1, 1, 1, 1> ]
[0.7, 1.0 color rgbt<1, 1, 1, 1>
color rgbt<1, 1, 1, 1> ]
}
scale <1, 0.3, 10>
}
pigment {
bozo
turbulence 0.8
octaves 10
omega .5
lambda 2.5
color_map {
[0.0, 0.4 color rgbt<.75, .75, .75, 0>
color rgbt<.9, .9, .9, .9> ]
[0.4, 0.6 color rgbt<.9, .9, .9, .9>
color rgbt<1, 1, 1, 1> ]
[0.6, 1.0 color rgbt<1, 1, 1, 1>
color rgbt<1, 1, 1, 1> ]
}
scale <1, 0.3, 10>
}
}
// ***********************************
// Bill Pulver's FBM Clouds
// A three-layer cloud texture.
// ***********************************
#declare T_Cloud1 =
texture { // The upper part of the clouds
pigment {
P_Cloud1
}
finish {
ambient 1.0
diffuse 0
}
}
texture { // The darker underside of the clouds
pigment {
P_Cloud1
translate -0.15*y
}
finish {
ambient 0.6
diffuse 0
}
}
// T_Cloud1 mapped onto a sphere
#declare O_Cloud1 =
sphere { <0,0,0>, 10000
texture {
T_Cloud1
scale 1000
}
}
// ***********************************
// Darin Dugger's "Kite" clouds
// ***********************************
#declare T_Cloud2 =
texture {
pigment {
bozo
turbulence 1.5
octaves 10
omega .5
lambda 2.5
color_map {
[0.0, 0.5 color rgbt<.75, .75, .75, 0>
color rgbt<.9, .9, .9, .9> ]
[0.5, 0.7 color rgbt<.9, .9, .9, .9>
color rgbt<1, 1, 1, 1> ]
[0.7, 1.0 color rgbt<1, 1, 1, 1>
color rgbt<1, 1, 1, 1> ]
}
}
finish {
ambient 0.9
diffuse 0.1
}
}
#declare T_Cloud3 =
texture {
pigment {
bozo
turbulence 0.8 //0.6
octaves 10
omega .5
lambda 2.5
color_map {
[0.0, 0.4 color rgbt<.75, .75, .75, 0>
color rgbt<.9, .9, .9, .9> ]
[0.4, 0.7 color rgbt<.9, .9, .9, .9>
color rgbt<1, 1, 1, 1> ]
[0.7, 1.0 color rgbt<1, 1, 1, 1>
color rgbt<1, 1, 1, 1> ]
}
}
finish {
ambient 1.0
diffuse 0.0
}
}
texture {
pigment {
bozo
turbulence 0.8 //0.6
octaves 10
omega .5
lambda 2.5
color_map {
[0.0, 0.4 color rgbt<.75, .75, .75, 0>
color rgbt<.9, .9, .9, .9> ]
[0.4, 0.6 color rgbt<.9, .9, .9, .9>
color rgbt<1, 1, 1, 1> ]
[0.6, 1.0 color rgbt<1, 1, 1, 1>
color rgbt<1, 1, 1, 1> ]
}
}
finish {
ambient 0.95
diffuse 0.0
}
scale .9
translate y*-0.15
}
// Darin Dugger's DD_Cloud_Sky texture mapped onto a pair of planes
// NOTE: Lowest plane is at y=500
#declare O_Cloud2 =
union {
plane { y, 500
texture {
T_Cloud3
scale 600
}
}
plane { y, 3000
texture {
T_Cloud2
scale <900,1,6000>
translate x*3000
rotate -30*y
}
}
}
#version Skies_Inc_Temp;
#end
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