File:Sirius type double star animation 1.gif
Sirius_type_double_star_animation_1.gif (800 × 600 pixels, file size: 5.06 MB, MIME type: image/gif, looped, 100 frames, 5.0 s)
Captions
Captions
Summary
[edit]
| Description |
English: Star pair like Sirius. Artist rendering. |
| Date | |
| Source | Own work |
| Author | Merikanto |
POV-Ray and ImageMagick source code
ImageMagick script
magick convert -delay 5 -loop 0 *.png sirius_type_double_star_animation_1.gif
POV-Ray 3.8 .ini file
- POV-Ray animation ini file
Antialias=Off
Antialias_Threshold=0.1
Antialias_Depth=2
Quality=11
Input_File_Name="sirisu3.pov"
Initial_Frame=1
Final_Frame=100
Initial_Clock=0
Final_Clock=360
Cyclic_Animation=on
Pause_when_Done=off
POV-Ray 3.8 source code
/////////////////////////////
//
// Sirius-type double star
//
// POV-Ray 3.8 source code
//
// 30.9.2023 v 0000.0001
//
/////////////////////////////
- include "functions.inc"
- include "rand.inc"
- include "shapes3.inc"
- declare tau_ofset=90;
- declare taunolla=clock+tau_ofset;
- declare randi1=rand(1);
- declare randi2=rand(2);
- declare randi3=rand(3);
- declare tau1=radians(taunolla);
- declare tau2=radians(taunolla+180.0);
- declare ra=3;
- declare rb=3;
- declare ax = sin(tau1)*ra+0.5;
- declare ay = cos(tau1)*ra;
- declare bx = sin(tau2)*rb-0.5;
- declare by = cos(tau2)*rb;
//## stella atmosphere
- declare atm_thickness1=1.5 ;
- declare samples1=30; // media samples, greater value slower to render
camera { location <0,25,-150>*1 look_at 0 angle 5 }
- macro convection_pigment(c)
crackle
pigment_map{
[0.0 rgb c*0.2]
[0.2 rgb c]
[0.9 rgb c]
[1.0 rgb 1.0]
}
warp{turbulence 1}
- end
- declare stella_object_type_1= object {
sphere {0,1 }
// ovus {1,0.7 rotate x*90 rotate y*-90}
//object { Egg_Shape (1.15,1.55) rotate x*90 rotate y*-90}
// texture { pigment {color rgb <1,1/2,0>} finish {ambient 0 }}
}
- declare stella_object_type_2= object {
difference
{
sphere {0,1+atm_thickness1 }
sphere {0,1.001 }
}
}
//#declare star_pigment_1= pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb starcolor1a] [1 color rgb starcolor1c] } }
- macro makestar1(color1, color2, color3, color4)
object { union {
// main sequence stella
object {
object { stella_object_type_1 }
// texture {pigment {color rgb color1} finish {ambient 1} }
// texture { pigment { convection_pigment(color1) scale 0.05} finish {ambient 1} }
texture {
wrinkles scale 0.02
// granite scale 0.1
translate x*tau1*0.2
warp { turbulence 0.5 }
texture_map {
[0 pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb color1] [1 color rgb color3] }} finish {ambient 1}]
[0.85 pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb color1] [1 color rgb color3] }} finish {ambient 1/2}]
[0.9 pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb color1] [1 color rgb color3] }} finish {ambient 2/5}]
[1 pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb color1] [1 color rgb color3] }} finish {ambient 0.2}]
}
} // ...tex
scale 1
} // stella object
// stella korona try 1
object {
object {stella_object_type_2}
pigment{rgbt 1}
hollow
interior{
media{ method 3
// absorption (1-color1)*1 // darkening
emission color3*3/10
// scattering{ 4,(1-color1)// Type
// } // end scattering
density{
// #declare qq=tau1/(pi*2);
function {
pow( 1*sqrt(1*(x*x+y*y+z*z)),-6 )
// * pow( f_granite( atan2(x,y), atan2(x,z),atan2(y,z)),1/1)
// * pow( f_granite( atan2(x+f_wrinkles(x,y,z),y+f_granite(x,y,z)*0.2), 1,1),z)
* pow( f_granite( atan2(x+f_wrinkles(x,y,z),y+f_granite(x,y,z)*0.2), 1,1),2)
- 0.5
+ pow( 1*sqrt(1*(x*x+y*y+z*z)),-6 )*0.2
}
// translate x*tau1*0.2
density_map
{
[0 rgb color1*0.000000000]
// [0.1 rgb color3*1]
// [0+atm_thickness1 rgb color3*1]
[1 rgb color1*3]
}
} //
samples samples1
} // ... density
} // ... interior
// scale 1.0+atm_thickness1
// scale 0.9
} // ... obj stella atm
} // union
} // object
- end // end makestar1 macro
- macro makestar2(color1, color2, color3, color4)
object { union {
// main sequence stella
object {
object { stella_object_type_1 }
texture {pigment {color rgb color1} finish {ambient 1} }
// texture { pigment { convection_pigment(color1) scale 0.05} finish {ambient 1} }
// texture {
// wrinkles scale 0.02
// granite scale 0.1
// translate x*tau1*0.2
// warp { turbulence 0.5 }
// texture_map {
// [0 pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb color1] [1 color rgb color3] }} finish {ambient 1}]
// [0.85 pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb color1] [1 color rgb color3] }} finish {ambient 0.6}]
// [0.9 pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb color1] [1 color rgb color3] }} finish {ambient 0.4}]
// [1 pigment { wrinkles turbulence 0.4 scale 0.005 translate taunolla/360 color_map { [0 color rgb color1] [1 color rgb color3] }} finish {ambient 0.0}]
// }
// } // ...tex
scale 1
} // stella object
// stella korona2 try 1
object {
object {stella_object_type_1}
pigment{rgbt 1}
hollow
interior{
media{ method 3
// absorption (1-color1)*1 // darkening
emission color3*1/10
// scattering{ 4,(1-color1)// Type
// } // end scattering
density{
// #declare qq=tau1/(pi*2);
function {
// pow( 1*sqrt(1*(x*x+y*y+z*z)),-6 )
// * pow( f_granite( atan2(x,y), atan2(x,z),atan2(y,z)),1/1)
// * pow( f_granite( atan2(x+f_wrinkles(x,y,z),y+f_granite(x,y,z)*0.1), 1,1),1/1)
//*0.5
//+ pow( 1*sqrt(1*(x*x+y*y+z*z)),-6 )*0.2
// pow( 1/3*sqrt(4*(x*x+y*y+z*z)),-5 )*1
pow(f_spherical(x,y,z),2)*2
*f_wrinkles(x,y,z) *2
- pow( f_granite( atan2(x,y)/2, atan2(x,z)/2,atan2(y,z)/2),1/1)
}
// translate x*tau1*0.2
density_map
{
[0 rgb color1*0.000000000]
// [0.1 rgb color3*1]
// [0+atm_thickness1 rgb color3*1]
[1 rgb color1*20]
}
} //
samples samples1
} // ... density
} // ... interior
scale 3
// scale 0.9
} // ... obj stella atm
} // union
} // object
- end // end makestar1 macro
// star 1
#declare color1=<1,1,1>*1.2;
#declare color2=<1,1,1,0>*1.2;
- declare color3=<1,1,1.4>*1;
#declare color4=<1,1,1.4,0>*1;
union {
makestar1(color1, color2, color3, color4 )
scale 1.68*1
rotate taunolla
// scale 1
translate <ax,0,ay>*1
}
// star 2
#declare color1=<1,1,2>*2;
#declare color2=<1,1,3,0>;
- declare color3=<1,1,1.5>*2;
#declare color4=<1,1,1.5,0>;
union {
makestar2(color1, color2, color3, color4 )
rotate taunolla
scale 1/5
translate <bx,0,by>*1
}
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
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:36, 30 September 2023 | | 800 × 600 (5.06 MB) | Merikanto (talk | contribs) | Uploaded own work with UploadWizard |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
