// POV-Ray 3.6 Sample Scene File "yin_yang.pov"
// created by Friedrich A. Lohmueller, Aug-2005  
// homepage: www.f-lohmueller.de
//--------------------------------------------------------------------------
#version 3.5;
global_settings {  assumed_gamma 1.0 }
#default{ finish{ ambient 0.1 diffuse 0.9 }} 
//--------------------------------------------------------------------------
#include "colors.inc"
#include "textures.inc"
#include "functions.inc"
//--------------------------------------------------------------------------
// camera ------------------------------------------------------------------
#declare Camera0 = camera {ultra_wide_angle angle 50           // front view
                           location  <0.0 , 0.0 ,-3.0>
                           right     x*image_width/image_height
                           look_at   <0.0 , 0.0 , 0.0>}
camera{Camera0}
// sun ---------------------------------------------------------------------
light_source{< 3000,3000,-3000> color White}
// sky ---------------------------------------------------------------------
sky_sphere { pigment { color White}
                  } //end of skysphere
//--------------------------------------------------------------------------
//---------------------------   scenery objects  ---------------------------
//--------------------------------------------------------------------------



union{
isosurface {
  function{
    f_comma( 
       x,y,z,
       0.95 //scale
     )
  }
  threshold 0.03
  max_gradient 2
  accuracy 0.00001
  contained_by {sphere {0,1.5}}

  texture{
     pigment{ color rgb <1,1,1>} 
     finish { specular 0.1 roughness 0.1 phong 0.2 }
         }
  rotate<90,0,0>
  translate< 0.0,0.05,0>
 }

isosurface {
  function{
    f_comma( 
       x,y,z,
       0.95 //scale
     )
  }
  threshold 0.03
  max_gradient 2
  accuracy 0.00001
  contained_by {sphere {0,1.5}}

  texture{
     pigment{ color rgb <0,0,0>} 
     finish { specular 0.1 roughness 0.1 phong 0.2 }
         }
  rotate<90,0,180>
  translate< 0.0,-0.05,0>
 }


  rotate<0,0,45>
  scale <1.35,1.2,1.2>
  translate< 0,0.00,0>
} // end of isosurface -------------------------------------------------------