// soft light (areal_light) ---------  An area light (creates soft shadows)
// WARNING: This special light can significantly slow down rendering times!
light_source { <0,0,0>          
               color rgb <1,1,1>     // light's color 
               area_light            // kind of light source (Art der Lichtquelle)
               <12, 0, 0> <0, 0, 12> // lights spread out across this distance (x * z)
               4, 4                // total number of lights in grid (4x*4z = 16 lights)
               adaptive 0          // 0,1,2,3...
               jitter              // adds random softening of light
               translate <10, 20, -10>   // <x,y,z> position of light
             } //---------------- end of area_light 


// just a sphere to demonstrate the shadow casting
sphere { <0,0,0>, 0.5 
         texture { pigment{ color Flesh}
                   finish { phong 1}
                 } // end of texture
          scale<1,1,1>  rotate<0,0,0>  translate<0,0.75,0>  
       }  // end of sphere -----------------------------------