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English: Fictional terrestrial planet in space. There is no vegetation on continents. There is maybe life in oceans.
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Author Merikanto
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The POV-Ray 3.8 code to generate image of terrestrial planet.


// pov-ray planet: rigded multifractal, isosurfece attempt, atmosphere 

// 26.9.2022 v 0000.0001

   include "colors.inc"
   include "consts.inc"
   include "functions.inc"



  1. declare isosurface_planet=0;
  2. declare atmosphere_on=1;




global_settings { 

   #if (version < 3.7) assumed_gamma 1 #end
   max_trace_level 20

}




default { finish { ambient 0.000002 diffuse 0.000001 reflection 0.0 } }


camera { 

   location <0,0,5>
   look_at <0,0,0> 
   angle 35

}


light_source { 

 //  <1,1,1>*149600*1000   
   
   <0,0,1>*149600*1000   
   color rgb 1*4

}



  1. declare Earth_Radius=1;


  1. declare Media_Intensity=0.15*100;

//#declare Media_Emission=0.065*10;

  1. declare Media_Eccentricity=0.56;
  2. declare Atmosphere_Top=0.025;

//#declare Cloud_Brightness=0.42; //#declare Light_Intensity=4.1;

  1. declare atm_samples= 20;






declare fn_Pigm=function { 

  pigment {

// dents

// marble 

    granite  
    scale 4

// agate // crackle 

//    turbulence 0.1

/* 

function {

// f_ridge(x/1000,y/1000,z/1000,0, 13, 0.0, 3, 1, 1) 

//   f_hetero_mf(x,y,z, 0.9, 1.7,13, 0.5, 0.9, 3 ) 
     
     f_hetero_mf(x,y,z, 0.9, 1.7,13, 0.5, 0.9, 3 )
   //   f_ridged_mf(x/1000, y/1000, z/1000, 0.5, 4, 13, 3, 5, 1) *
     //    f_ridged_mf(x/10000, y/10000, z/10000, 0.5, 4, 13, 3, 5, 2) 
    }
 */
    color_map {
      [0 color rgb 0]
      [1 color rgb 1]
    }
  }
}
            
            
            

   declare planet1 = object {
    
    #if (isosurface_planet)
    
    
  isosurface {
      
      function {
          f_sphere(x, y, z, 1) -
          fn_Pigm(x, y, z).gray*0.0001
          }
      
      }    
     
     #else
     
      
     sphere {0,1} 
     
     #end
      
      
  pigment {
  //    color rgb <0,0.35,0>      
        
              function {
       //   f_sphere(x, y, z, 1) -
          fn_Pigm(x, y, z).gray
          }      
        
                pigment_map 
       {  
             
             [0.0 color rgb <0.0,0.0,0.20>   ]  
              
         
           [0.4 color rgb <0.0,0.0,0.3>   ]      
        
          [.41 color rgb <0.0,0.6,0.2>/6   ]
               [1.0 colour rgb <216, 137, 105>/256 ]
       }
          
     /*
                        pigment_map 
       {  
                [0.0 color rgb <0.72, 0.59, 0.44>]
                [0.2 color rgb <0.28, 0.36, 0.11 >] 
            //    [0.4 color rgb <0.0,0.4,0.15> ]
               [0.5 color rgb <0.0,0.6,0.2>/5   ]
              [0.51 color rgb <0.0,0.0,0.20>   ] 
             [1.0 color rgb <0.0,0.0,0.20>   ]  
       
          
          
          
       }
     
      */
      }
  
   
  finish {  
  diffuse 0.9

// ambient 1 

//  emission 1
  } 
  
  scale  1

} 



#declare Clouds3x = pigment {
  //marble
  dents
  turbulence 6  
  octaves 32
  lambda 4
 // omega 0.75  
 scale 10   
  
  color_map {
         [0.0 color White*1.5 filter 0]
    [0.05 color White filter 1 ]
     [0.95 color White filter 1 ]
    [1.0 color White*1.4 filter 0]
    
  }
} 




#declare CloudArea = texture {
  pigment {
    gradient y  
   //   onion

// sine_wave 

   turbulence 3  
   octaves 15   
   scale 1    
   
   //lambda 2
  // omega 2
   
   scale 5
    //scale 0.2
     
  //  scale <10,10,10>
    
    pigment_map {  
       
       [0.00 Clouds3x scale 0.1]
      
   //         [0.00 Clouds3 scale 1]
     [0.2 Clouds3x]
      [0.50 Clouds3x scale 0.01]
      [0.8 Clouds3x scale 1]
      [1.00 Clouds3x scale 0.5]
    
      



    }
  }



 finish { 
 ambient 0.000002
  
 diffuse 0.9
// phong 0.1

// specular 0.05 // reflection 0.1 

 }


} 
 



   declare cloudslayer1 = sphere

 {
  0, 1.001

  texture {
     CloudArea
  }

 }    
 
   
   
   
   
   

 #declare Density1= 	density{

spherical ramp_wave


#declare mm = 0.0; #declare nn = 1.0;

#declare deltamm=0.01; 

           #declare pp= 1.0;
           
           #declare rr=1.00; 
           
  
            color_map {
           #while(mm <= 1.0)
       



           #declare  rr=nn/2  ; 
           
            
           #declare ex2=exp(-(nn-0.2)*10)*7;
            
           #declare rr=ex2;
           
             
           #declare cc=<rr,rr,rr*1.8>;   
   
   
           #declare qq=mm*Atmosphere_Top;
             
           [qq rgb cc]

           #declare mm=mm+deltamm;  
           #declare nn=nn-deltamm;
     
    
   
           #end        
           
           }


} // en 



// Atmosphere 2: density function


  1. declare Density2=density { function
    {



    exp(-6.7*(sqrt(x*x+y*y+z*z) -1.00001)/0.05 )/1000 
    
    }   
    }
  1. declare Mat_Atm =
 material {
   texture {
     pigment {
       color rgbt <1.0, 1.0, 1.0, 1.0>
     }
   }
   interior {
     media {
       method 3
         
          scattering { 5 color rgb  <0.2, 0.4, 1>*Media_Intensity*20 eccentricity Media_Eccentricity }
 
          emission  <0.2, 0.4, 1>
          
       //    scattering { 5 color rgb  <0.2, 0.4, 1>*Media_Intensity*30 eccentricity Media_Eccentricity }
 
     //     emission  <0.2, 0.4, 1>/50000
          
       // samples 20,20
         samples atm_samples  // increase = more precise
 //intervals 1
       
       density { 
         Density1
       
     //    Density2

       }
     }
   }
 }
  1. declare atmos1=difference {
 sphere {
   <0,0,0>, 1
 }
 sphere { 
   <0,0,0>, 1
   scale (Earth_Radius+0.001)/(Earth_Radius+Atmosphere_Top)
 }
 material { Mat_Atm }
 scale Earth_Radius+Atmosphere_Top
 hollow on

}


  1. declare atmos2=difference {
 sphere {
   <0,0,0>, 1.00
 }
 sphere { 
   <0,0,0>, 1.00
   scale (Earth_Radius+0.001)/(Earth_Radius+Atmosphere_Top)
 }
 material { Mat_Atm }
 scale Earth_Radius+Atmosphere_Top
 hollow on

}





//sun


union { 

   object {planet1 rotate x*45
   scale 1.00
    }
   
   object {cloudslayer1 scale 1.01 }
     
    #if (atmosphere_on) 
    object {atmos2}    
    #end

   rotate y*-90

}






Old code 2

// pov-ray planet: rigded multifractal, isosurfece attempt, atmosphere

  1. include "colors.inc"
  2. include "consts.inc"
  3. include "functions.inc"


global_settings { 

    #if (version < 3.7) assumed_gamma 1 #end
    max_trace_level 20

} 


default { finish { ambient 0.000002 diffuse 0.000001 reflection 0.0 } }

// Units

  1. declare m = 0.1; // A value of 1 makes the sun's distance ouside POV's numerical domain.
  2. declare km = 1000*m;
  3. declare mm = 0.001*m;

// ------------- // -- | Parameters | ------ // ------------- // Earth parameters

  1. declare TP_EARTH_RADIUS = 6378.137*km;

// Sun parameters

  1. declare TP_SUN_HEADING = 90;
  2. declare TP_SUN_ELEVATION = 30;
  1. declare TP_BRIGHTNESS = 1;
  2. declare TP_SUN_COLOR = White;
  3. declare TP_SUN_APPARENT_APERTURE = 0.5; // Commonly admitted value

// Atmosphere parameters

  1. declare TP_ATMO_BOTTOM = -1*m;
  1. declare TP_RAYLEIGH_FACTOR = 1;
  2. declare TP_RAYLEIGH_DENSITY_MAX = 1;
  3. declare TP_RAYLEIGH_AMOUNT = 1;
  1. declare TP_ATMO_INTERVALS = 3; // Necessary for good integration
  2. declare TP_ATMO_SAMPLES = 3;
  3. declare TP_ATMO_METHOD = 3; // Adaptive

// Default camera parameters

  1. declare TP_DEFCAM_HEIGHT = 2*m; // Let's be tall
  2. declare TP_DEFCAM_HEADING = 0;
  3. declare TP_DEFCAM_ELEVATION = 5; // Let's look up a little
  4. declare TP_DEFCAM_ANGLE = 40;


  1. declare fn_Pigm=function {
   pigment {

// dents 

// marble
     granite  
     scale 4
//   agate  
// crackle
 //    turbulence 0.1
/*
 function {

// f_ridge(x/1000,y/1000,z/1000,0, 13, 0.0, 3, 1, 1) 

 //   f_hetero_mf(x,y,z, 0.9, 1.7,13, 0.5, 0.9, 3 ) 
      
      f_hetero_mf(x,y,z, 0.9, 1.7,13, 0.5, 0.9, 3 )
    //   f_ridged_mf(x/1000, y/1000, z/1000, 0.5, 4, 13, 3, 5, 1) *
      //    f_ridged_mf(x/10000, y/10000, z/10000, 0.5, 4, 13, 3, 5, 2) 
     }
  */
     color_map {
       [0 color rgb 0]
       [1 color rgb 1]
     }
   }
 }
  1. declare _tp_earth = object {
   isosurface {
       
       function {
           f_sphere(x, y, z, 1) -
           fn_Pigm(x, y, z).gray*0.0001
           }
       
       }    
   
   pigment {
   //    color rgb <0,0.35,0>      
         
               function {
        //   f_sphere(x, y, z, 1) -
           fn_Pigm(x, y, z).gray
           }      
         
                 pigment_map 
        {  
              
              [0.0 color rgb <0.0,0.0,0.20>   ]  
               
          
            [0.4 color rgb <0.0,0.0,0.3>   ]      
         
           [.41 color rgb <0.0,0.6,0.2>/6   ]
                [1.0 colour rgb <216, 137, 105>/256 ]
        }
           
      /*
                         pigment_map 
        {  
                 [0.0 color rgb <0.72, 0.59, 0.44>]
                 [0.2 color rgb <0.28, 0.36, 0.11 >] 
             //    [0.4 color rgb <0.0,0.4,0.15> ]
                [0.5 color rgb <0.0,0.6,0.2>/5   ]
               [0.51 color rgb <0.0,0.0,0.20>   ] 
              [1.0 color rgb <0.0,0.0,0.20>   ]  
        
           
           
           
        }
      
       */
       }
   
    
   finish {  
   diffuse 0.9
//   ambient 1
 //  emission 1
   } 
   
   scale  TP_EARTH_RADIUS

}



// Sun

  1. declare TP_SUN_DISTANCE = 10*TP_EARTH_RADIUS; // Far enough. Actual distance in the scene is not very critical, as the light ays are parallel
  2. declare TP_SUN_RADIUS =

TP_SUN_DISTANCE*tan(radians(TP_SUN_APPARENT_APERTURE/2));

  1. declare _tp_basic_sun = light_source

{ 

  <0, 0, 0>
  color rgb TP_SUN_COLOR*TP_BRIGHTNESS
  looks_like {sphere{0, TP_SUN_RADIUS pigment{Yellow} finish {diffuse 0

ambient 1}}} 

  translate TP_SUN_DISTANCE*z
  parallel point_at -z
  rotate -TP_SUN_ELEVATION*x
  rotate TP_SUN_HEADING*y

}

// Atmosphere: density

  1. declare TP_BASE_RAYLEIGH_POWER = 6.7; // Constant
  2. declare _tp_rayleigh_power = TP_BASE_RAYLEIGH_POWER*TP_RAYLEIGH_FACTOR;

//#declare TP_ATMO_THICKNESS = 50*km;

  1. declare TP_ATMO_THICKNESS = 150*km;


  1. declare _tp_rayleigh_density = density

{ 

    function
    {

//TP_RAYLEIGH_DENSITY_MAX*exp(-_tp_rayleigh_power*(sqrt(x*x+(y+TP_EARTH_RADIUS)*(y+TP_EARTH_RADIUS)+z*z)

//- TP_EARTH_RADIUS - TP_ATMO_BOTTOM)/TP_ATMO_THICKNESS) 

TP_RAYLEIGH_DENSITY_MAX*exp(-_tp_rayleigh_power*(sqrt(x*x+(y)*(y)+z*z)

- TP_EARTH_RADIUS - TP_ATMO_BOTTOM)/TP_ATMO_THICKNESS) 

    }

}

// Atmosphere: scattering color

  1. declare TP_LAMBDA_RED = 650; // nanometres
  2. declare TP_LAMBDA_GREEN = 555; // nanometres
  3. declare TP_LAMBDA_BLUE = 460; // nanometres
  4. declare TP_RAYLEIGH_SCATTERING_COLOR = rgb

<pow(TP_LAMBDA_BLUE/TP_LAMBDA_RED, 4), pow(TP_LAMBDA_BLUE/TP_LAMBDA_GREEN, 4), 1>;

// Atmosphere: media

  1. declare _tp_rayleigh_media = media

{ 

    method TP_ATMO_METHOD
    intervals TP_ATMO_INTERVALS
    samples TP_ATMO_SAMPLES
    scattering
    {

RAYLEIGH_SCATTERING color TP_RAYLEIGH_AMOUNT*TP_RAYLEIGH_SCATTERING_COLOR/TP_ATMO_THICKNESS extinction 1 // The only physically accurate value 

    }
    density {_tp_rayleigh_density}

}

// Atmosphere: shell

  1. declare _tp_rayleigh_atmosphere = difference

{ 

    sphere {0, TP_EARTH_RADIUS + TP_ATMO_BOTTOM + TP_ATMO_THICKNESS

//translate -TP_EARTH_RADIUS*y } 

    sphere {0, TP_EARTH_RADIUS + TP_ATMO_BOTTOM

// translate //-TP_EARTH_RADIUS*y


} 

    hollow
    pigment {rgbt 1}
    interior {media{_tp_rayleigh_media}}

}

// Default camera

  1. declare _tp_default_camera = camera

{ 

    location 0
    angle TP_DEFCAM_ANGLE
    right     x*image_width/image_height
    look_at   z
    rotate -TP_DEFCAM_ELEVATION*x
    rotate TP_DEFCAM_HEADING*y
    translate TP_DEFCAM_HEIGHT*y // Could use trace() to make sure we are  above the surface. But no terrain yet ...

} 



 #declare Clouds3x = pigment {
   //marble
   dents
   turbulence 6  
   octaves 32
   lambda 4
  // omega 0.75  
  scale 10   
   
   color_map {
          [0.0 color White*1.5 filter 0]
     [0.05 color White filter 1 ]
      [0.95 color White filter 1 ]
     [1.0 color White*1.4 filter 0]
     
   }
 } 
 



 #declare CloudArea = texture {
   pigment {
     gradient y  
    //   onion
//     sine_wave
  
    turbulence 3  
    octaves 15   
    scale 1    
    
    //lambda 2
   // omega 2
    
    scale 5
     //scale 0.2
      
   //  scale <10,10,10>
     
     pigment_map {  
        
        [0.00 Clouds3x scale 0.1]
       
    //         [0.00 Clouds3 scale 1]
      [0.2 Clouds3x]
       [0.50 Clouds3x scale 0.01]
       [0.8 Clouds3x scale 1]
       [1.00 Clouds3x scale 0.5]
     
       



     }
   }
 
 

  finish { 
  ambient 0.000002
   
  diffuse 0.9
  phong 0.1
  specular 0.05
 reflection 0.1
  
  }
 
 
 }


  1. declare CloudsLayer1 = sphere
  {
   0, 1.001
 
   texture {
      CloudArea
   }
 
  }

//sun


object {_tp_basic_sun}


// planet union {

object {_tp_earth rotate x*45 }

object {_tp_rayleigh_atmosphere}


object {CloudsLayer1 scale 1.00001*TP_EARTH_RADIUS }


rotate y*-90 }



//camera {_tp_default_camera}


camera {

location <1,1,0>*1200000 look_at <0,0,0> // look_at <0,-TP_EARTH_RADIUS,0>

}



The old code POV-Ray 3.7 code of terrestrial planet, quite simple approach.



// POV-Ray 3.7 souce code of terrestrial planet, quite simple approach.

global_settings { 

   assumed_gamma 1.0

}


default { finish { ambient 0.000002 diffuse 0.7 } }


camera { location <0,0,-17000> }

light_source { 150000000*<-1, 1, -1> rgb 1 }

sphere 

  {
  0, 7000

  pigment
     {
    // bozo                  // kasvit 100,100,120
    granite      
            colour_map
        {  
        /*
           [.5   colour rgb <30, 45, 160>/(255*3)   ]     

             [.55   colour rgb <230, 200, 180>/(255)   ] 
                   [.8   colour rgb <150, 120, 130>/(255)   ] 
       
        */
        
                   [0.33   colour rgb <30, 45, 160>/(255*3)   ]     



                   [.45   colour rgb <150, 120, 130>/(255)   ]   
                    [.6   colour rgb <230, 200, 180>/(255)   ] 
                    [.95   colour rgb <230, 200, 180>/(255)/5   ] 
        }

    
    /*
     colour_map
        {
  
             [.3   colour rgb <230, 200, 180>/(255)   ] 
                   [.7   colour rgb <150, 120, 130>/(255)   ] 
       
        }
      */
    /*
     colour_map
        {
        [.5   colour rgb <30, 45, 160>/(255*3)   ]     
        [.5 colour rgb <200,170,190>/(256*4)  ] 
              [1.00 colour rgb <200,170,190>/(256*8)  ] 
        }
      */
     turbulence 0.1
     scale 15000  // 20000 huva
    // translate 100*x
     }

}


sphere 

  {
  0, 7004
  
  texture {
  
  
  
  pigment
     { 
   //  onion
  //   ripples
   //  waves
      bozo
   //   agate
    //  granite 
        
   //  marble  
    
      colour_map {
            [.45   colour rgbf 1   ] 
            [.7   colour rgb 1   ] 
             }      
     turbulence 20.0  
     omega 0.6 
      lambda 5
     octaves 14
     scale <12, 2, 12>*30000000
     rotate <30, 0, -45>
     } 
     
     
     
     
 finish { ambient 0.000002 diffuse 0.999 }
     }
  }  
  
  
  
  
  
   
   
   /*
  1. declare CLOUDS1 = pigment {
   //  onion
     //ripples
       waves
     // bozo
     // agate
    //  granite 
        
    // marble  
      colour_map {
            [.3   colour rgbf 1   ] 
            [.7   colour rgb 1   ] 
             }      
     turbulence 20.0  
     omega 0.6 
      lambda 5
     octaves 14
     scale <12, 2, 12>*30000
     rotate <30, 0, -45>
     }  
  
 
 
#declare CLOUDS2 = pigment { 
   planar
   //  onion
     //ripples
     //  waves
     // bozo
     // agate
    //  granite 
        
    // marble  
      colour_map {
            [.3   colour rgbf 0   ] 
            [.7   colour rgb 0   ] 
             }      
     turbulence 0.0  
     omega 0.0 
      lambda 0
     octaves 1
 //    scale <12, 2, 12>*30000
     rotate <30, 0, -45>
     }  
   
  
  
sphere
  {
  0, 7004
  

  
  
  
  texture {   
  
  
   gradient y       
  // translate y*0.5
   texture_map {
       [ 0.0   pigment {CLOUDS1} ]    
       [ 0.5   pigment {CLOUDS1} ]
       [ 1.0   pigment {CLOUDS1} ]
  
       }
     
     
        scale 2
     
 //  finish { ambient 0.000002 diffuse 0.999 }
     
     
     }
 
 
 
  }  
    
  
  
   */








Original code

The Persistence of Vision POV-Ray 3.62 raytracer source code of this image of simple planet. 


global_settings {
  #if (version < 3.7)
    assumed_gamma 1.0
  #end
}

  
default { finish { ambient 0.000002 diffuse 0.7 } }
  
  
camera { location <0,0,-17000> }

light_source { 150000000*<-1, 1, -1> rgb 1 }

sphere
   {
   0, 7000

   pigment
      {
     // bozo                  // kasvit 100,100,120
     granite      
             colour_map
         {
            [.3   colour rgb <30, 45, 160>/(255*3)   ]     

              [.5   colour rgb <230, 200, 180>/(255)   ] 
                    [.7   colour rgb <150, 120, 130>/(255)   ] 
        
         }
 
     
     /*
      colour_map
         {
   
              [.3   colour rgb <230, 200, 180>/(255)   ] 
                    [.7   colour rgb <150, 120, 130>/(255)   ] 
        
         }
       */
     /*
      colour_map
         {
         [.5   colour rgb <30, 45, 160>/(255*3)   ]     
         [.5 colour rgb <200,170,190>/(256*4)  ] 
               [1.00 colour rgb <200,170,190>/(256*8)  ] 
         }
       */
      turbulence .1
      scale 15000  // 20000 huva
     // translate 100*x
      }

}

sphere
   {
   0, 7004
   
   texture {
   pigment
      {
      // bozo
      // agate
       granite   
     // marble  
       colour_map {
             [.3   colour rgbf 1   ] 
             [.7   colour rgb 1   ] 
              }      
      turbulence 1.0
      scale <12, 3, 12>*1200
      rotate <30, 0, -45>
      }
  finish { ambient 0.000002 diffuse 0.999 }
      }
   }

Licensing edit

Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current12:19, 26 September 2022Thumbnail for version as of 12:19, 26 September 20221,600 × 1,200 (1.4 MB)Merikanto (talk | contribs)Update
18:05, 15 September 2022Thumbnail for version as of 18:05, 15 September 20223,600 × 2,700 (4.58 MB)Merikanto (talk | contribs)New style of image
07:46, 5 April 2022Thumbnail for version as of 07:46, 5 April 20222,400 × 1,800 (1.39 MB)Merikanto (talk | contribs)Update
09:26, 24 August 2010Thumbnail for version as of 09:26, 24 August 2010800 × 600 (290 KB)Merikanto~commonswiki (talk | contribs){{Information |Description={{en|1=Fictional terrestrial planet in space. There is no vegetation on continents. }} |Source={{own}} |Author=Merikanto |Date=23.8.2010 |Permission= |other_versions= }} The Persistence of Vision POV-Ray 3.62

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