File:Orange dwarf render 1 1 1 1.png

Size of this preview: 800 × 600 pixels. Other resolutions: 320 × 240 pixels | 640 × 480 pixels | 1,024 × 768 pixels | 1,280 × 960 pixels | 1,600 × 1,200 pixels.

Original file ‎(1,600 × 1,200 pixels, file size: 1.47 MB, MIME type: image/png)

Captions

English

Orange dwarf, artist impression

Summary

DescriptionOrange dwarf render 1 1 1 1.png	English: Orange dwarf, artist impression. K-Type main sequence star.
Date	1 October 2023
Source	Own work
Author	Merikanto

POV-Ray 3.8 source code

// // K-type star // POV-Ray 3.0 source code // 1.10.2023 0000.0004 //

#include "functions.inc" 
 #include "rand.inc"

camera { location <0,0,-10>*1.2 look_at 0 angle 28 }



sky_sphere
{

  pigment {
  
  bozo    
    //granite
  //  wrinkles
   // dents
    
    scale 0.001
  color_map
  {
   [0 color rgb 0]
   [0.8 color rgb 0]
   [1 color rgb 1]
   }
   
  }

declare samples1=40; // greater value more accurate but slow render

declare color1=<1,0.75,0>;
declare color2=<1,0.5,0>;
declare color3=<1/2,1/2,1/4,0>;
declare color4=<3/4,3/4,1>;  // corona color

// #declare color4=<1,1/2,0>;  // corona color

declare color5=<1,3/5,1>;

declare star1= union {

 // photosphere
 
sphere {
   0,1    

    texture {
    pigment {
     //  crackle
       granite
       turbulence 0.5
       scale 1/10
    
    color_map {
       [ 0 color rgb color2 ]
       [1 color rgb color1  ]   
     }   
        
    }  // pigment

   finish {emission 1 reflection 0}
         
     } // texture
     
  // spots
  
texture {

pigment { 
//   gradient y    
// agate
 //   granite
  //   scale 4
  //  wrinkles  scale 3
crackle scale 0.2
// gradient y
 //  sine_wave
   pigment_map {
    [ 0 color rgbt 1]   
      [ 0.7 color rgbt 1] 
   [ 0.8 granite scale 1 warp {    turbulence 0.5  } color_map { [0 color rgb <1,1,1,1> ] [0.2 color rgb <1,1,1,1> ] [ 1 color rgbt color3 ] }  ]

    [ 1 granite scale 1 warp {    turbulence 0.5  } color_map { [0 color rgb <1,1,1,1> ] [0.2 color rgb <1,1,1,1> ] [ 1 color rgbt color3 ] }  ]

   } // pigment

} // tex

} // sphere

    sphere // protuberances

{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {

    samples samples1
   emission color5*2

//emission <3/4,3/4,1>

         scattering {1, rgb <1,1,1>*1 }
      density
      {

       // spherical 
           function {


 
//3 *f_bumps(x,y,z)* f_agate( f_granite(x/3,y/3,z/3)*1,y*1,z*1)  * f_agate( f_agate(x*3,y*3,z*3)*1,y*1,z*1)  *   pow( f_spherical(x,y,z)   ,1/5)

1.5* f_crackle(x,y,z)

f_agate( f_granite(x,y,z)*1,f_granite(x,y,z)*1,f_granite(x,y,z)*1 )

// turbulence 0.5

       density_map
             
        {
        [0.0 rgbt <1/100000,1/100000,1/100000,1>]
       [0.5 rgbt <1/1000,1/1000,1/1000,1>]    
       [1 rgb 1]
        }

      }
    }
 }

// scale 1.12

 scale 1.2
}

      sphere // cromosphere limb darken
{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {    
       samples samples1
       emission 1.5    
      // absorption 1
       scattering {1, rgb <0,1/2,1>*3000 }
      density
      {
        granite scale 0.0001
      //spherical 
        //   function {
        //  pow( f_spherical(x,y,z),2)
       //     *f_wrinkles(x,y,z) *2 
             //  *pow( f_wrinkles(  atan2(x+1,y)/2, atan2(x,z+4)/2,atan2(y,z+1)/2 )  ,1)
        //   *  pow( f_granite(  atan2(x,y)+y/10, atan2(x,z)+z/10,atan2(y,z)),1/1)
         //      }

      }
    }
 }

scale 1.0005

   sphere // outer corona
{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {  
 samples samples1
   emission color4*0.8

//emission <3/4,3/4,1>
//         scattering {1, rgb <1,1,1>*1 }

      density
      {

       // spherical 
           function {
 
 0.5*

pow( f_spherical(x,y,z),2)

f_bumps(x,y,z)

+0.7*

pow( f_spherical(x,y,z),1)

//  *f_wrinkles(atan2(x,y)+sin(x),atan2(x,y)+cos(z),atan2(x,y)+tan(x))

// *f_wrinkles(atan2(x,y)*f_granite(sin(x),y,z),atan2(x,y),atan2(x,y))

//   *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5),0,0 )

//  *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5), atan2(y,z),atan2(x,z) ) 
//  *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5),y,z )  // wery ok

   *f_granite(20*atan2(x+f_wrinkles(x,y,z)*0.5,y+f_wrinkles(x,y,z)*0.5),y+f_wrinkles(x,y,z)*0.5,z+f_wrinkles(x,y,z)*0.5 )  // wery ok

//sine_wave
scallop_wave

       density_map
             
        { [0.0 rgbt <1/10000,1/10000,1/10000,1>]
    [0.7 rgbt <1/10,1/10,1/10,0.5>]

     [1 rgb 1]
        }

      }
    }
 }

scale 3

object {star1 rotate y*0}

Older code 1

// // K-type star // POV-Ray 3.0 source code // 1.10.2023 0000.0002 //

#include "functions.inc" 
 #include "rand.inc"

camera { location <0,0,-10>*1.2 look_at 0 angle 28 }



sky_sphere
{

  pigment {
  
  bozo    
    //granite
  //  wrinkles
   // dents
    
    scale 0.001
  color_map
  {
   [0 color rgb 0]
   [0.8 color rgb 0]
   [1 color rgb 1]
   }
   
  }

declare samples1=40; // greater value more accurate but slow render

declare color1=<1,0.75,0>;
declare color2=<1,0.5,0>;
declare color3=<1/2,1/2,1/4,0>;
declare color4=<3/4,3/4,1>;  // corona color

// #declare color4=<1,1/2,0>;  // corona color

declare color5=<1,4/5,1>;

declare star1= union {

 // photosphere
 
sphere {
   0,1    

    texture {
    pigment {
     //  crackle
       granite
       turbulence 0.5
       scale 1/5
    
    color_map {
       [ 0 color rgb color2 ]
       [1 color rgb color1  ]   
     }   
        
    }  // pigment

   finish {emission 1 reflection 0}
         
     } // texture
     
  // spots
  
texture {

pigment { 
//   gradient y    
// agate
 //   granite
  //   scale 4
  //  wrinkles  scale 3
crackle scale 0.2
// gradient y
 //  sine_wave
   pigment_map {
    [ 0 color rgbt 1]   
      [ 0.7 color rgbt 1] 
   [ 0.8 granite scale 1 warp {    turbulence 0.5  } color_map { [0 color rgb <1,1,1,1> ] [0.2 color rgb <1,1,1,1> ] [ 1 color rgbt color3 ] }  ]

    [ 1 granite scale 1 warp {    turbulence 0.5  } color_map { [0 color rgb <1,1,1,1> ] [0.2 color rgb <1,1,1,1> ] [ 1 color rgbt color3 ] }  ]

   } // pigment

} // tex

} // sphere

    sphere // cromosphere limb darken
{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {    
       samples samples1
       emission 1.5    
      // absorption 1
       scattering {1, rgb <0,1/2,1>*3000 }
      density
      {
        granite scale 0.0001
      //spherical 
        //   function {
        //  pow( f_spherical(x,y,z),2)
       //     *f_wrinkles(x,y,z) *2 
             //  *pow( f_wrinkles(  atan2(x+1,y)/2, atan2(x,z+4)/2,atan2(y,z+1)/2 )  ,1)
        //   *  pow( f_granite(  atan2(x,y)+y/10, atan2(x,z)+z/10,atan2(y,z)),1/1)
         //      }

      }
    }
 }

scale 1.0005

    sphere // protuberances

{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {

    samples samples1
   emission color5*2

//emission <3/4,3/4,1>

         scattering {1, rgb <1,1,1>*1 }
      density
      {

       // spherical 
           function {

*f_marble(x,y,z)

f_agate( f_granite(x/3,y/3,z/3)*1,y*1,z*1)
f_agate( f_agate(x*3,y*3,z*3)*1,y*1,z*1)

pow( f_spherical(x,y,z) ,1/5)

// turbulence 0.5

       density_map
             
        {
        [0.0 rgbt <1/100000,1/100000,1/100000,1>]
       [0.4 rgbt <1/1000,1/1000,1/1000,1>]    
       [1 rgb 1]
        }

      }
    }
 }

scale 1.12

   sphere // outer corona
{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {  
 samples samples1
   emission color4*0.8

//emission <3/4,3/4,1>
//         scattering {1, rgb <1,1,1>*1 }

      density
      {

       // spherical 
           function {
 
 1*

pow( f_spherical(x,y,z),2.5)  


//  *f_wrinkles(atan2(x,y)+sin(x),atan2(x,y)+cos(z),atan2(x,y)+tan(x))

// *f_wrinkles(atan2(x,y)*f_granite(sin(x),y,z),atan2(x,y),atan2(x,y))

//   *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5),0,0 )

//  *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5), atan2(y,z),atan2(x,z) ) 
//  *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5),y,z )  // wery ok

   *f_granite(10*atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5),y+f_wrinkles(x,y,z)*0.2,z+f_wrinkles(x,y,z)*0.2 )  // wery ok

}
 //       density_map

//              
//         { [0.0 rgbt <1/100,1/100,1/100,1>]
//           [1 rgb 2]
//         }

      }
    }
 }

scale 3

object {star1 rotate y*0}

Old code

// // K-type star // POV-Ray 3.0 source code // 1.10.2023 0000.0001 //

#include "functions.inc" 
 #include "rand.inc"

camera { location <0,0,-10>*1.2 look_at 0 angle 28 }



sky_sphere
{

  pigment {
  
  bozo    
    //granite
  //  wrinkles
   // dents
    
    scale 0.001
  color_map
  {
   [0 color rgb 0]
   [0.8 color rgb 0]
   [1 color rgb 1]
   }
   
  }

declare samples1=40; // greater value more accurate but slow render

declare color1=<1,0.75,0>;
declare color2=<1,0.5,0>;
declare color3=<1/2,1/2,1/4,0>;
declare color4=<3/4,3/4,1>;  // corona color

// #declare color4=<1,1/2,0>;  // corona color

declare color5=<1,4/5,1>;

declare star1= union {

 // photosphere
 
sphere {
   0,1    

    texture {
    pigment {
     //  crackle
       granite
       turbulence 0.5
       scale 1/5
    
    color_map {
       [ 0 color rgb color2 ]
       [1 color rgb color1  ]   
     }   
        
    }  // pigment

   finish {emission 1 reflection 0}
         
     } // texture
     
  // spots
  
texture {

pigment { 
//   gradient y    
// agate
 //   granite
  //   scale 4
  //  wrinkles  scale 3
crackle scale 0.2
// gradient y
 //  sine_wave
   pigment_map {
    [ 0 color rgbt 1]   
      [ 0.7 color rgbt 1] 
   [ 0.8 granite scale 1 warp {    turbulence 0.5  } color_map { [0 color rgb <1,1,1,1> ] [0.2 color rgb <1,1,1,1> ] [ 1 color rgbt color3 ] }  ]

    [ 1 granite scale 1 warp {    turbulence 0.5  } color_map { [0 color rgb <1,1,1,1> ] [0.2 color rgb <1,1,1,1> ] [ 1 color rgbt color3 ] }  ]

   } // pigment

} // tex

} // sphere

    sphere // cromosphere limb darken
{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {    
       samples samples1
       emission 1.5    
      // absorption 1
       scattering {1, rgb <0,1/2,1>*3000 }
      density
      {
        granite scale 0.0001
      //spherical 
        //   function {
        //  pow( f_spherical(x,y,z),2)
       //     *f_wrinkles(x,y,z) *2 
             //  *pow( f_wrinkles(  atan2(x+1,y)/2, atan2(x,z+4)/2,atan2(y,z+1)/2 )  ,1)
        //   *  pow( f_granite(  atan2(x,y)+y/10, atan2(x,z)+z/10,atan2(y,z)),1/1)
         //      }

      }
    }
 }

scale 1.0005

    sphere // protuberances

{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {

    samples samples1
   emission color5*2

//emission <3/4,3/4,1>

         scattering {1, rgb <1,1,1>*1 }
      density
      {

       // spherical 
           function {

*f_marble(x,y,z)

f_agate( f_granite(x/3,y/3,z/3)*1,y*1,z*1)
f_agate( f_agate(x*3,y*3,z*3)*1,y*1,z*1)

pow( f_spherical(x,y,z) ,1/5)

// turbulence 0.5

       density_map
             
        {
        [0.0 rgbt <1/100000,1/100000,1/100000,1>]
       [0.4 rgbt <1/1000,1/1000,1/1000,1>]    
       [1 rgb 1]
        }

      }
    }
 }

scale 1.12

   sphere // outer corona
{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {  
 samples samples1
   emission color4*0.8

//emission <3/4,3/4,1>
//         scattering {1, rgb <1,1,1>*1 }

      density
      {

       // spherical 
           function {
 
 1*

pow( f_spherical(x,y,z),2)  


//  *f_wrinkles(atan2(x,y)+sin(x),atan2(x,y)+cos(z),atan2(x,y)+tan(x))

// *f_wrinkles(atan2(x,y)*f_granite(sin(x),y,z),atan2(x,y),atan2(x,y))

//   *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5),0,0 )

//  *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5), atan2(y,z),atan2(x,z) ) 
//  *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5),y,z )  // wery ok

   *f_granite(atan2(x+f_wrinkles(x,y,z)*0.2,y+f_wrinkles(x,y,z)*0.5),y+f_wrinkles(x,y,z)*0.2,z+f_wrinkles(x,y,z)*0.2 )  // wery ok

}
 //       density_map

//              
//         { [0.0 rgbt <1/100,1/100,1/100,1>]
//           [1 rgb 2]
//         }

      }
    }
 }

scale 3

object {star1 rotate y*0}

Oldeest code

// // K-type star // POV-Ray 3.0 source code // 1.10.2023 0000.0000 //

#include "functions.inc" 
 #include "rand.inc"

camera { location <0,0,-10>*1.0 look_at 0 angle 28 }

sky_sphere
{

  pigment {
  
  bozo    
    //granite
  //  wrinkles
   // dents
    
    scale 0.001
  color_map
  {
   [0 color rgb 0]
   [0.8 color rgb 0]
   [1 color rgb 1]
   }
   
  }

declare samples1=40; // greater value more accurate but slow render

declare color1=<1,0.75,0>;
declare color2=<1,0.5,0>;
declare color3=<1/2,1/2,1/4,0>;
declare color4=<3/4,3/4,1>;  // corona color

// #declare color4=<1,1/2,0>;  // corona color

declare color5=<1,4/5,1>;

declare star1= union {

 // photosphere
 
sphere {
   0,1    

    texture {
    pigment {
     //  crackle
       granite
       turbulence 0.5
       scale 1/5
    
    color_map {
       [ 0 color rgb color2 ]
       [1 color rgb color1  ]   
     }   
        
    }  // pigment

   finish {emission 1 reflection 0}
         
     } // texture
     
  // spots
  
texture {

pigment { 
//   gradient y    
// agate
 //   granite
  //   scale 4
  //  wrinkles  scale 3
crackle scale 0.2
// gradient y
 //  sine_wave
   pigment_map {
    [ 0 color rgbt 1]   
      [ 0.7 color rgbt 1] 
   [ 0.8 granite scale 1 warp {    turbulence 0.5  } color_map { [0 color rgb <1,1,1,1> ] [0.2 color rgb <1,1,1,1> ] [ 1 color rgbt color3 ] }  ]

    [ 1 granite scale 1 warp {    turbulence 0.5  } color_map { [0 color rgb <1,1,1,1> ] [0.2 color rgb <1,1,1,1> ] [ 1 color rgbt color3 ] }  ]

   } // pigment

} // tex

} // sphere

    sphere // cromosphere limb darken
{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {    
       samples samples1
       emission 1    
      // absorption 1
       scattering {1, rgb <0,1/2,1>*2000 }
      density
      {
        granite scale 0.0001
      //spherical 
        //   function {
        //  pow( f_spherical(x,y,z),2)
       //     *f_wrinkles(x,y,z) *2 
             //  *pow( f_wrinkles(  atan2(x+1,y)/2, atan2(x,z+4)/2,atan2(y,z+1)/2 )  ,1)
        //   *  pow( f_granite(  atan2(x,y)+y/10, atan2(x,z)+z/10,atan2(y,z)),1/1)
         //      }

      }
    }
 }

scale 1.0005

    sphere // protuberances

{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {

    samples samples1
   emission color5*2

//emission <3/4,3/4,1>

         scattering {1, rgb <1,1,1>*1 }
      density
      {

       // spherical 
           function {

// 10*         f_spherical(x,y,z)  *

//(f_agate(x*2,y*2,z*2)) 
//*10*       f_granite(x,y,z)    
//+   f_wrinkles(x*2,y*2,z*2)

f_agate( f_granite(x,y,z)*1,y*1,z*1)

pow( f_spherical(x,y,z) ,1/5)

       density_map
             
        { [0.0 rgbt <1/100000,1/100000,1/100000,1>]

[0.5 rgbt <1/1000,1/1000,1/1000,1>]

      [1 rgb 2]
        }

      }
    }
 }

scale 1.2

   sphere // outer corona
{ 0,1 pigment { rgbt 1 } hollow
  interior
  { media
    {  
 samples samples1
   emission color4*0.8

//emission <3/4,3/4,1>

 //        scattering {1, rgb <1,1,1>*1 }
      density
      {

       // spherical 
           function {
       //  pow( f_spherical(x,y,z),4) *10
       ///     *f_bozo(atan2(x,y),atan2(y,z),atan2(z,y))

       //   *  pow( f_granite(  atan2(x,y)+f_wrinkles(x,y,z)/2, atan2(x,z)+f_wrinkles(x,y,z)/2,atan2(y,z)+ f_wrinkles(x,y,z)/2),1/1)
       //   *  pow( f_granite(  atan2(x,y)+f_granite(x,y,z), atan2(x,z)+f_granite(x,y,z),atan2(y,z)+ f_granite(x,y,z)),1/1)

//     6*      pow(f_spherical(x,y,z),2)
// *f_wrinkles(x,y,z) *1    
// *f_wrinkles(atan2(x,y),atan2(y,z),atan2(z,y)) 
//*  pow( f_granite(  atan2(x,y)+f_granite(x,y,z)*1, atan2(x,z)*f_granite(x,y,z)*1 ,atan2(y,z)*f_wrinkles(x,y,z)*1   ),1/1)
// *  pow( f_granite(  atan2(x,y)+f_granite(x,y,z)*0.2, atan2(x,z)*f_granite(x,y,z)*0.2 ,atan2(y,z)*f_wrinkles(x,y,z)*0.5   ), f_wrinkles(x,y,z))

 1*  pow( f_spherical(x,y,z),2)

//*f_ripples(x,y,z)
//  *f_crackle(atan2(x,y),atan2(y,z),atan2(z,x))

// *f_wrinkles(atan2(x,y),atan2(y,z),atan2(z,x))
//   *f_agate(atan2(x,y),atan2(y,z),atan2(z,x))
//      *f_granite(atan2(x,y),atan2(y,z),atan2(z,x))
//   *f_wrinkles(atan2(x,y)/10,atan2(y,z)/10,atan2(z,x)/10)

//*f_marble(x,y,z)
//*f_bumps(x,y,z)
// *f_marble(atan2(x,y)/pi,atan2(y,z)/pi,atan2(z,x)/pi)   
// *f_marble(atan2(x,y)/(2*pi),atan2(y,z)/(2*pi),atan2(z,x)/(2*pi))

 *f_wrinkles(atan2(x,y),atan2(x,y),atan2(x,y))

 }
 //       density_map

//              
//         { [0.0 rgbt <1/100,1/100,1/100,1>]
//           [1 rgb 2]
//         }

      }
    }
 }

scale 2.5

object {star1 rotate y*0}

Licensing

I, the copyright holder of this work, hereby publish it under the following license:

This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.

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	Dimensions	User	Comment
current	13:58, 1 October 2023	1,600 × 1,200 (1.47 MB)	Merikanto (talk \| contribs)	More accurate
	12:59, 1 October 2023	1,600 × 1,200 (979 KB)	Merikanto (talk \| contribs)	Update
	12:50, 1 October 2023	1,600 × 1,200 (775 KB)	Merikanto (talk \| contribs)	Update
	11:25, 1 October 2023	1,600 × 1,200 (849 KB)	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.

Metadata

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

PNG file comment	Render Date: 2023-10-01 13:56:54Z Platform: x86_64-pc-win Compiler: msvc 14.0
File change date and time	13:56, 1 October 2023
Software used	POV-Ray v3.8.0-x.freetype.4

File:Orange dwarf render 1 1 1 1.png

Captions

Captions

Summary

Licensing

File history

File usage on Commons

Metadata

Structured data

Items portrayed in this file

depicts

creator

some value

copyright status

copyrighted

copyright license

Creative Commons Attribution-ShareAlike 4.0 International

source of file

original creation by uploader

inception

1 October 2023

Navigation menu

File:Orange dwarf render 1 1 1 1.png

Captions

Captions

Summary

Licensing

File history

File usage on Commons

Metadata

Navigation menu

Search