File:Epsilon aurigae type variable star animation 1 1 1 2.ogv

ffmpeg png -> .mp5 script

## with ffmpeg create ogg vorbis theora ogv animation

ffmpeg -framerate 12 -pattern_type glob -i '*.png'  -c:v libtheora -q:v 9 -c:a libvorbis -q:a 4 out.ogv

.ini file

Input_File_Name=epsilon1.pov

Antialias=On
Antialias_Threshold=1
  
Antialias_Depth=2
Quality=11

Initial_Frame=1
Final_Frame=360
Initial_Clock=0
Final_Clock=360

Cyclic_Animation=on
Pause_when_Done=off

POV-Ray source code

/////////////////////                       
//
// Epsilon Aurigae-like Algol-type exzlipsing variable
// sacondary souble star has thick gas ring
// POV-Ray 3.8 source code
//
// 30.9.2023 0000.0000
// 
////////////////////////

#include "functions.inc"

#declare tauorig=180+90;

#declare taunolla=clock+tauorig;

#declare tau1=radians(taunolla);
#declare tau2=radians(taunolla+180.0);

#declare ra=2.2;
#declare rb=2.2;  
#declare rc=0.15;

#declare ax = sin(tau1)*ra;
#declare ay = cos(tau1)*ra;

#declare bx = sin(tau2)*rb;
#declare by = cos(tau2)*rb;
 

#declare cx = sin(tau1*4)*rc;
#declare cy = cos(tau1*4)*rc;

#declare sax=ax*1;
#declare say=ay*1;
#declare sbx=bx*1;
#declare sby=by*1;
#declare scx=cx*1;
#declare scy=cy*1;

#declare samples1=30;

camera {
 location <0,0,-20>
 look_at <0,0,0>
 angle 25
}

#macro starr1(color1, color2)
union { 
/* 
  sphere {
  0, 1
  pigment { color rgb color1 }
  finish {ambient 1}
     scale 0.25
    }
  */
 sphere {
  0, 1
  pigment { color rgbf 1 }
  hollow
  interior {
    media {
      emission 50
      method 3
      intervals 2
      samples samples1
     // emission_type 2
     // emission_extinction 2
      density {
   //     spherical  
    function {pow(1*f_spherical(x,y,z),4) }     
//   scallop_wave

 //    function {pow( (2*(sqrt(x*x+y*y+z*z))) ,-1) } 
      //    function {pow(f_spherical(x,y,z),2)*f_wrinkles(x*1000,y*1000,z*1000) }  
          //      function {f_wrinkles(x*10,y*10,z*10) }  

        color_map {
          [ 0.0 rgb 0.0 ] 
             [ 0.2 rgb color1*0.05   ]
        //  [ 0.6 rgb  color1*0.5 ]
          [ 1.0 rgb  color2*2 ]
        }
      }
    }
 
  // absorbing stuff
   media {
      absorption 1.5
      method 3
      intervals 2
      samples samples1
      density {
              function {pow(f_spherical(x,y,z),1.5) } 
       // spherical
        color_map {
          [ 0.0 rgbt 0 ]
          [ 0.5 rgbt 1 ]
          [ 1.0 rgbt 2 ]
        }
      } 
   }

  

  }

}

} // juunion

#end

  

 #macro gasring1(color1, color2)
union { 
/* 
  torus {
  1, 0.2
  pigment { color rgb color1 }
  finish {ambient 1}
     scale 0.25
    }
  */
// sphere {
//  0, 1  
  torus {1,0.5
  scale y/5

  pigment { color rgbf 1 }
  hollow
  interior {

    media {
   // emission 1
  //    absorption 1

      method 3
      intervals 1
      samples samples1  

       scattering { 4, <0,0,1>*1 }

      density {   

 function {    pow( f_wrinkles(x*50,y*50,z*50),2)    }

  /*

        color_map {
          [ 0.0 rgb 0.0 ] 
       //      [ 0.2 rgb color1*0.05   ]
        //  [ 0.6 rgb  color1*0.5 ]
          [ 1.0 rgb  1 ]
        }
*/     
 }
    }

 
  // absorbing stuff
   media {
      absorption 10
      method 3
      intervals 2
      samples samples1
      density {
           //   function {pow(f_spherical(x,y,z),1.5) }  
            function { pow( f_wrinkles(x*50,y*50,z*50),2)  }  
      //   function {f_granite(x*30,y*30,z*20) }     
    // spherical        
//  scale 10
        color_map {
          [ 0.0 rgb 0 ]
    //      [ 0.5 rgbt 1 ]
          [ 1.0 rgb 1 ]
        }
      } 
   }

    

  }

}

} // juunion

#end

 

object {
//starr1(<1,.25,0>, <1,0,0>)    
starr1(<1,1,0>, <1,1,1>) 

scale 3
translate <sax,0,say>
}

 object {
starr1(<.5,.5,1>*2, <0.25,0.25,1>*1)  

scale 0.2  

translate <sbx+scx,0,sby+scy>
}
  object {
starr1(<.5,.5,1>*2, <0.25,0.25,1>*1)  

scale 0.2  

translate <sbx-scx,0,sby-scy>
}

 object {
gasring1(<.1,.1,0.1>*2, <0.1,0.1,0.1>*1)  
scale 1.5 
rotate z*20
rotate y*-10 
rotate x*-1
translate <sbx,0,sby>
}

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