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Sirius_type_double_star_animation_1.gif (800 × 600 Pixel, Dateigrößi: 5,06 MB, MIME-Typ: image/gif, Ändlosschlupf, 100 Ramme, 5,0 s)

Die Datei un d Informatione derzue were us em zäntrale Mediearchiv Wikimedia Commons (Allmänd) iibunde. Zur Bschriibigssite uff de Allmänd Zur Bschriibigssite uff de Allmänd

Bschryybig

Bschryybig
English: Star pair like Sirius. Artist rendering.
Datum
Quälle Eigeni Arbet
Urheber 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 // /////////////////////////////

  1. include "functions.inc"
  2. include "rand.inc"
  3. include "shapes3.inc"


  1. declare tau_ofset=90;
  1. declare taunolla=clock+tau_ofset;
  1. declare randi1=rand(1);
  2. declare randi2=rand(2);
  3. declare randi3=rand(3);
  1. declare tau1=radians(taunolla);
  2. declare tau2=radians(taunolla+180.0);
  1. declare ra=3;
  2. declare rb=3;
  3. declare ax = sin(tau1)*ra+0.5;
  4. declare ay = cos(tau1)*ra;
  1. declare bx = sin(tau2)*rb-0.5;
  2. declare by = cos(tau2)*rb;

//## stella atmosphere

  1. declare atm_thickness1=1.5 ;


  1. declare samples1=30; // media samples, greater value slower to render


camera { location <0,25,-150>*1 look_at 0 angle 5 }

  1. 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}

  1. end


  1. 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 }} }

  1. 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] } }


  1. 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

  1. end // end makestar1 macro


  1. 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

  1. end // end makestar1 macro


// star 1

  #declare color1=<1,1,1>*1.2;
#declare color2=<1,1,1,0>*1.2;   
  1. 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>;   
  1. 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 
  }

Lizänzierig

Ich haa s Urheberrächt an däm Wärch un vereffetlig s dodermit unter däre Lizänz:
w:als:Creative Commons
Namenännig Wytergab unter glyche Bedingige
Du derfsch:
  • des Wärch an anderi wytergee – des Wärch kopiere, verbreite un ibertrage
  • des Wärch verändere – des Wärch aapasse
Unter däne Bedingige:
  • Namenännig – Du muesch aagmässeni Aagabe zum Urheber un dr Rächt mache, e Link zue dr Lizänz zuefiege un aagee, eb Änderige gmacht wore sin. Die Aagabe chenne in ere aagmässene Art gmacht wäre, aber nit eso, ass dr Yydruck entstoht, ass dr Lizänzgeber Dii oder Dyy Gebruch vum Wärch unterstitze un guetheiße.
  • Wytergab unter glyche Bedingige – Wänn du des Wärch veränderesch, umwandlesch oder druf ufböusch, no derfsch s Ergebnis nume unter dr glyche oder ere kumpatible Lizänz wie s Orginal vereffetlige.

Kurzbeschreibungen

Ergänze eine einzeilige Erklärung, was diese Datei darstellt.
Double star that has A-spectral class star and white dwaf

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Version vomVorschaubildMäßBenutzerKommentar
aktuell19:36, 30. Sep. 2023Vorschaubild fir Version vum 19:36, 30. Sep. 2023800 × 600 (5,06 MB)MerikantoUploaded own work with UploadWizard

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