File:Barred spiral galaxy 2 r 1.png
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Summary
[edit]
| Description |
English: Barred spiral galaxy with POV-Ray textures |
| Date | |
| Source | Own work |
| Author | Merikanto |
POV-Ray 3.7 source code
//////////////////////////////////
//
// barred spiral galaxy
// POV-Ray source code
// 3.7.2023 v 0000.0000
//
/////////////////////////////////
- include "functions.inc"
camera {
location <0,0,-10>
look_at 0
angle 35
}
- declare logspiral00= function {((log(5*sqrt((x*x+y*y)/16))+atan2(x,y)/(pi) ) *2) }
- declare sinlogspiral1=function {min ( max (((( sin ( (5*log(sqrt( (x*x+y*y)*2 ))*pi*2)+0.5*((atan2(x,y)/(1))/(pi/8)) *pi/2 ) ) +1)/2),0) ,1)}
#declare powhole1=function { pow( max(min(f_sphere(x*3,y*3,(0),1),1),0) ,6)}
#declare normal1=function {exp (-0.5*pow(((( sqrt(x*x+y*y) ))/0.75),2))}
- declare bar1= function {
// normal1(x*2,y*2,z*2)
// (max( min(1-f_sphere(x,y,z,1),0),1))
max(min( (1-sqrt(x*x+y*y)),1),0) *f_wrinkles(x*10,y*30,z*10)
}
- declare galaxyfunk0= function {
sinlogspiral1(x,y,z) *powhole1(x,y,z)*normal1(x,y,z)
}
- declare galaxyfunk1= function {
galaxyfunk0(x,y,z)+bar1(x*1.8,y*4,z)
}
- declare galaxybase1= function {
// sinlogspiral1(x,y,z) *powhole1(x,y,z)*normal1(x,y,z)+bar1(x*1.8,y*4,z)
// galaxyfunk1(x,y,z)
//f_granite(galaxyfunk0(x,y,z)*3,f_wrinkles(x*100,y*100,z*100),f_wrinkles(x,y,z))
//* galaxyfunk0(x,y,z)
//*f_ripples(x*1,y*1,z*1)
// galaxyfunk0(x,y,z)*pow(f_agate(x,y,z),2) *f_granite(x,y,z) *f_wrinkles(x*10,y*10,z*10) *f_wrinkles(x*30,y*30,z*30) *f_wrinkles(x*100,y*100,z*100)
galaxyfunk0(x,y,z)*pow(f_granite(x,y,z),5) *0.5
+f_granite(galaxyfunk0(x,y,z),0,0)*0.05 *galaxyfunk0(x,y,z)*0.7
- f_wrinkles(x*100,y*100,z*100)
- f_wrinkles(x*300,y*300,z*300)
- f_wrinkles(x*1000,y*1000,z*1000)
- f_wrinkles(x*3000,y*3000,z*3000)
+pow(f_granite(x*2,y*2,z*2),3)*galaxyfunk0(x,y,z)
//+bar1((x+y)*3,y*2.1,z)*0.5 + bar1((x+y)*3,y*2.1,z)* f_granite(x*100,y*100,z*100) * f_granite(x*10,y*10,z*10) *0.1
+galaxyfunk0(x,y,z)
- f_wrinkles(x*100,y*100,z*100)
- f_wrinkles(x*300,y*300,z*300)
- f_wrinkles(x*1000,y*1000,z*1000)
- f_wrinkles(x*3000,y*3000,z*3000)*0.75
+normal1(x/2,y/2,z/2)*0.17
+normal1(x*2,y*2,z*2)*0.3
+normal1(x,y,z)*f_ripples(x*6,y*6,z*6)*0.05
//+galaxyfunk0(-y,-x,z)
}
#declare galaxybase2= function {
// sinlogspiral1(x,y,z) *powhole1(x,y,z)*normal1(x,y,z)+bar1(x*1.8,y*4,z)
// galaxyfunk1(x,y,z)
//f_granite(galaxyfunk0(x,y,z)*3,f_wrinkles(x*100,y*100,z*100),f_wrinkles(x,y,z))
//* galaxyfunk0(x,y,z)
//*f_ripples(x*1,y*1,z*1)
// galaxyfunk0(x,y,z)*pow(f_agate(x,y,z),2) *f_granite(x,y,z) *f_wrinkles(x*10,y*10,z*10) *f_wrinkles(x*30,y*30,z*30) *f_wrinkles(x*100,y*100,z*100)
galaxyfunk0(x,y,z)*pow(f_granite(x,y,z),5) *0.5
+f_granite(galaxyfunk0(x,y,z),0,0)*0.05 *galaxyfunk0(x,y,z)*0.7
//+pow(f_agate(x*1,y*1,z*1),0.5)*galaxyfunk0(x,y,z)
//+bar1(x*4,y*2,z)* f_granite(x*100,y*100,z*100)
*0.1
//+galaxyfunk0(-y,-x,z)
}
- declare galaxypig1=pigment {
function {
galaxybase1(x,y,z)
}
poly_wave 0.9
color_map {
//[-1 color rgb <0,0,1>]
[0 color rgbt <0,0,0,1>]
[1 color rgbt <1,1,3,0>]
// [2 color rgb <1,0,0>]
}
}
- declare galaxypig2=pigment {
function {
galaxybase1(x,y,z)
}
poly_wave 0.9
color_map {
//[-1 color rgb <0,0,1>]
[0 color rgbt <0,0,0,0>]
[1 color rgbt <0,0,1,0>]
// [2 color rgb <1,0,0>]
}
}
- declare galaxypig3=pigment {
function {
galaxybase2(x,y,z)
}
poly_wave 1
color_map {
//[-1 color rgb <0,0,1>]
[0 color rgbt <1,1,1,1>]
[0.8 color rgbt <10,1/2,1/2,0>]
[1 color rgbt <1,1,1,0>]
// [2 color rgb <1,0,0>]
}
}
- declare galaxypig4=pigment {
function {
galaxybase1(x,y,z)
}
poly_wave 1
color_map {
//[-1 color rgb <0,0,1>]
[0 color rgbt <1,1,1,1>]
[0.8 color rgbt <10,1/2,1/2,0>]
[1 color rgbt <1,1,1,0>*10]
// [2 color rgb <1,0,0>]
}
}
- declare barpig1=pigment {
function {
bar1((x+y)*4,y*1.8,z)*0.3 + bar1((x+y)*4,y*1.8,z*1)* f_granite(x*100,y*100,z*100) * f_granite(x*10,y*10,z*10)* f_granite(x*3,y*3,z*3) *0.5
*normal1(x*3,y*3,z*3)
}
// poly_wave 0.9
turbulence 0.0
color_map {
[0 color rgbt <0,0,0,1>]
[1 color rgbt <3,2,0,0>*10]
}
}
- declare galaxytex1=texture {
pigment {galaxypig1}
finish {ambient 2 reflection 0 diffuse 0 specular 0 phong 0}
}
- declare galaxytex2=texture {
pigment {galaxypig2}
finish {ambient 2 reflection 0 diffuse 0 specular 0 phong 0}
}
- declare galaxytex3=texture {
pigment {galaxypig3}
finish {ambient 2 reflection 0 diffuse 0 specular 0 phong 0}
}
- declare galaxytex4=texture {
pigment {galaxypig4}
finish {ambient 2 reflection 0 diffuse 0 specular 0 phong 0}
}
- declare bartex1=texture {
pigment {barpig1 scale 1}
finish {ambient 2 reflection 0 diffuse 0 specular 0 phong 0}
}
- declare galaxy1= object {
plane {z,0}
texture {galaxytex1 }
texture {galaxytex1 rotate z*45 }
texture {galaxytex1 scale 1/2 rotate z*45 }
texture {bartex1 scale y/2 scale x/2 rotate x*(60+90)}
texture {galaxytex3 scale 1 }
// texture {galaxytex4 }
}
object {galaxy1
rotate <20,30,40>
rotate z*45
}
Licensing
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- to share – to copy, distribute and transmit the work
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- 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.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:05, 3 July 2023 | | 1,600 × 1,200 (943 KB) | Merikanto (talk | contribs) | Uploaded own work with UploadWizard |
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