#include "colors.inc"


camera { location <0,4,-3> 
 look_at <0,5,0>  
 }
 
 light_source { <10000,10000,-9000> color rgb <1,.9,.8> } 
 
max_trace_level 100 
 

//================================ sky color  
  
fog { fog_type 1 distance 200000 color rgb <0,0,.4> }   
fog { fog_type 2 fog_alt 80000 fog_offset 0 distance 100000 color rgb <.25,.65,1>*1  } 
fog { fog_type 2 fog_alt 4000 fog_offset 0 distance  50000 color rgb <1,1,1>*.15 } 


//========================== water plane 
  
 plane { y, -20 pigment { color Tan } }        
  
plane { y,0   pigment { color rgbt <.1,.3,.8,0> } 
normal { granite 0 scale 10 }  
finish {  reflection_type 1 conserve_energy phong 1 phong_size 150 caustics 1 }
        interior { ior 1.33    media { absorption rgb <1,.5,.3>*.5 method 2 }
            }        
 hollow } 
   
 //==========================cloud shell
 



  difference {    
             sphere { <0,0,0>, 1008600 translate y*-1000000 }
	     sphere { <0,0,0>, 1003000 translate y*-1000000 }
 texture { pigment { color Clear } }
 interior { 
        media {   emission .003   intervals 1  samples 45,45
     method 3
    aa_threshold .3
    aa_level 3    
                density { crackle  scale <8000,6000,8000>   turbulence .3 lambda 4 
                        color_map {
                        [ 0 color rgb <0,0,0> ]
                        [ .4 color rgb <0,0,0> ]
                        [ 1 color rgb <1,1,.8>*.6 ]
                        }
                } 
                
        } 
      media {   absorption .003   intervals 1  samples 45,45
     method 3
    aa_threshold .3
    aa_level 3    
                density { crackle  scale <8000,6000,8000>  rotate <2,0,1>*.35  turbulence .3 lambda 4  octaves 3
                        color_map {
                        [ 0 color rgb <0,0,0> ]
                        [ .5 color rgb <0,0,0> ]
                        [ 1 color rgb <1,1,1>*.7 ]
                        }
                } 
                
        } 

 
}
 hollow }