File:Globular cluster pov 1 r 1.png
Original file (1,600 × 1,200 pixels, file size: 389 KB, MIME type: image/png)
Captions
Captions
Summary[edit]
| Description |
English: Globular cluster, space art |
| Date | |
| Source | Own work |
| Author | Merikanto |
POV-Ray 3.7 source code
/////////////////////////////////
//
// globular cluster
// pov-ray 3.7 source code
// 10.7.2023 v 0000.0001
//
/////////////////////////////
- include "colors.inc"
- include "textures.inc"
- include "metals.inc"
- include "stones.inc"
- include "glass.inc"
- include "woods.inc"
- include "shapes.inc"
- include "functions.inc"
- include "rand.inc"
// global_settings { assumed_gamma 1 }
#declare Rad_Quality = 0;
global_settings {
assumed_gamma 1.0
adc_bailout 1/10
//default {ambient 0 }
- switch (Rad_Quality)
#case (1)
radiosity { // --- Settings 1 (fast) ---
pretrace_start 0.08
pretrace_end 0.02
count 50
error_bound 0.5
recursion_limit 1
}
#break
#case (2)
radiosity { // --- Settings 2 (medium quality) ---
pretrace_start 0.08
pretrace_end 0.01
count 120
error_bound 0.25
recursion_limit 1
}
#break
#case (3)
radiosity { // --- Settings 3 (high quality) ---
pretrace_start 0.08
pretrace_end 0.005
count 400
error_bound 0.1
recursion_limit 1
}
#break
#case (4)
radiosity { // --- Settings 4 (medium quality, recursion_limit 2) ---
pretrace_start 0.08
pretrace_end 0.005
count 350
error_bound 0.15
recursion_limit 2
}
#break
#end
}
/*
global_settings
{ photons
{ count 20000
media 100
// autostop 0
// jitter .4
}
}
- /
camera {
location <0,0,-100>*1.5
look_at <0,0,0>
angle 5
}
//light_source {<100,100,-20>*1000 White*1.0}
- declare starfield3=sky_sphere {
/*
pigment {
bozo
color_map {
[0.0 White*3]
[0.2 Black]
[1.0 Black]
}
scale .006
scale 1/10
}
*/
pigment {
bozo
color_map {
[0.0 White*3]
[0.2 rgbt 1]
[1.0 rgbt 1]
}
scale .006
scale 3/100
}
pigment {
bozo
color_map {
[0.0 White*2]
[0.2 rgbt 1]
[1.0 rgbt 1]
}
scale .006
scale 1/100
}
pigment {
bozo
color_map {
[0.0 White*2]
[0.2 rgbt 1]
[1.0 rgbt 1]
}
scale .006
scale 3/1000
}
pigment {
bozo
color_map {
[0.0 White*1]
[0.2 rgbt 1]
[1.0 rgbt 1]
}
scale .006
scale 1/1000
}
pigment {
bozo
color_map {
[0.0 White*1]
[0.2 rgbt 1]
[1.0 rgbt 1]
}
scale .006
scale 3/10000
}
pigment {
bozo
color_map {
[0.0 White*1/2]
[0.2 rgbt 1]
[1.0 rgbt 1]
}
scale .006
scale 1/10000
}
}
sky_sphere { starfield3}
- declare stara1= object {
sphere {0, 0.05}
pigment {color <1,0,0>}
finish {ambient 1}
}
- macro starcluster (Numstars1, scoeff1, crk1, cgk1, cbk1)
- declare Stream=RdmA;
- declare RandSeed = seed(123);
- declare Minr1=0.6;
- declare Maxr1=1.2;
- declare xx1=0;
- declare yy1=0;
//#declare rcoeff1=0.02;
#declare rcoeff1=0.01;
union {
- for (Count,0,NumStars1)
#declare fii1=RRand(0,360,1);
#declare fii2=RRand(0,180,2);
#declare brightness1=Rand_Gauss(2, 1, 0) ;
#declare rr1=Rand_Gauss(0.5, 0.4, 0) *rcoeff1;
// #declare cr1=Rand_Gauss(0.5, 1, 0) ;
// #declare cg1=Rand_Gauss(0.5, 1, 0) ;
#declare cb1=Rand_Gauss(0.5, 1, 0)*cbk1 ;
#declare cr1=crk1 ;
#declare cg1=cgk1;
// #declare rr1=RRand(Minr1, Maxr1, 0)*1;
// #declare ss2=Rand_Gauss(0, 0.2, 0);
#declare ss2=exp(Rand_Gauss(0, 0.2, 0))-1 ;
//
#declare ss2=pow( Rand_Gauss(0, 0.2, 0) ,0.95 ) ;
// #declare ss1=RRand(0, 1, 0);
//#declare ss2=exp(exp(ss1)-1)-1 ;
// #declare ss2=pow(ss1,4);
#declare xx1=ss2*scoeff1*cos(fii1);
#declare yy1=ss2*scoeff1*sin(fii1);
#declare zz1=ss2*scoeff1*sin(fii2);
object {
//stara1
sphere {0, rr1}
pigment {
spherical
//radial
rotate x*90
// sine_wave
color_map {
[0 color rgb <0,0,0> transmit 1 ]
// [0.999 color rgbt <0,0,0> transmit 1 ]
// [1 color rgb <1,1/2,0> transmit 0 ]
[1 color rgb <cr1, cg1, cb1> transmit 0 ]
}
}
//pigment {color <0.5,0.5,1>*brightness1}
finish {ambient 2}
translate <xx1,yy1,zz1>
}
- end
}
- end
// globular cluster
// blue stragglers
- declare NumStars1=200;
- declare dimension1=2;
#declare crk1=0.5 ;
#declare cgk1=0.5;
#declare cbk1=2 ;
starcluster (NumStars1, dimension1, crk1, cgk1, cbk1)
// other stars
- declare NumStars1=10000;
- declare dimension1=7;
#declare crk1=2 ;
#declare cgk1=1;
#declare cbk1=1 ;
starcluster (NumStars1, dimension1, crk1, cgk1, cbk1)
/*
box
{ -1,1
scale 20
pigment { rgbt 1 } hollow
interior
{ media
{ scattering { 3, 1/10 }
}
}
}
- /
Licensing[edit]
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:37, 10 July 2023 | | 1,600 × 1,200 (389 KB) | Merikanto (talk | contribs) | Update of code |
| 07:23, 10 July 2023 |  | 1,600 × 1,200 (418 KB) | Merikanto (talk | contribs) | Uploaded own work with UploadWizard |
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