global_settings{ assumed_gamma 1.0 }
#default{ finish{ ambient 0.1 diffuse 0.9 }} 
//------------------------------------------------------------------------
#include "colors.inc"
#include "textures.inc"
#include "glass.inc"
#include "metals.inc"
#include "golds.inc"
#include "stones.inc"
#include "woods.inc"
#include "shapes.inc"
#include "shapes2.inc"
#include "functions.inc"
#include "math.inc"
#include "transforms.inc"

//------------------------------------------------------------------------
// sun -------------------------------------------------------------------
light_source{<1500,2500, 2500> color White}
light_source{<-1500,2500, -2500> color White/2}
light_source{<1500,2500, -2500> color White/3}
// sky -------------------------------------------------------------------
sky_sphere{ pigment{ gradient <0,1,0>
                     color_map{ [0   color rgb<1,1,1>         ]//White
                                [0.4 color rgb<0.14,0.14,0.56>]//~Navy
                                [0.6 color rgb<0.14,0.14,0.56>]//~Navy
                                [1.0 color rgb<1,1,1>         ]//White
                              }
                     scale 2 }
           } // end of sky_sphere 
//------------------------------------------------------------------------

//------------------------------ the Axes --------------------------------
#macro Axis_( AxisLen, Dark_Texture,Light_Texture) 
 union{
    cylinder { <0,-AxisLen,0>,<0,AxisLen,0>,0.05
               texture{checker texture{Dark_Texture } 
                               texture{Light_Texture}
                       translate<0.1,0,0.1> scale 1/2}
             }
    cone{<0,AxisLen,0>,0.2,<0,AxisLen+0.7,0>,0
          texture{Dark_Texture}
         }
     } // end of union                   
#end // of macro "Axis()"
//------------------------------------------------------------------------
#declare Texture_A_Dark  = texture {
                               pigment{ color rgb<1,0.45,0>}
                               finish { phong 1}
                             }
#declare Texture_A_Light = texture { 
                               pigment{ color rgb<1,1,1>}
                               finish { phong 1}
                             }

#declare Verso = texture { pigment { color srgb<0.25,0.5,1>}}


#declare ClCol01=color rgb <0.8, 0.7, 0.4>;
#declare ClCol02=color rgb <0.07, 0.12, 0.4>;
#declare ClCol03=color rgb <0.9, 0.12, 0.07>;
#declare ClCol04=color rgb <0.09, 0.9, 0.4>;

#declare WID = 5;
#declare CPig1=
pigment {
  gradient x
  //triangle_wave
  color_map {
    [WID*0.04 ClCol01 ]
    [WID*0.04 ClCol02 ]
    [WID*0.06 ClCol02 ]
    [WID*0.06 ClCol01 ]
    [WID*0.09 ClCol01 ]
    [WID*0.09 ClCol03 ]
    [WID*0.13 ClCol03 ]
    [WID*0.13 ClCol01 ]
    [WID*0.16 ClCol01 ]
    [WID*0.16 ClCol03 ]
    [WID*0.18 ClCol03 ]
    [WID*0.18 ClCol01 ]
  }
}

#declare CPig2=
pigment {
  gradient y
  //triangle_wave
  pigment_map {
    [WID*0.04 CPig1 ]
    [WID*0.04 ClCol02 ]
    [WID*0.06 ClCol02 ]
    [WID*0.06 CPig1 ]
    [WID*0.09 CPig1 ]
    [WID*0.09 ClCol04 ]
    [WID*0.13 ClCol04 ]
    [WID*0.13 CPig1 ]
    [WID*0.16 CPig1 ]
    [WID*0.16 ClCol04 ]
    [WID*0.18 ClCol04 ]
    [WID*0.18 CPig1 ]
  }
}
#declare Verso = texture { pigment { CPig2 } scale 1/8 }
#declare Recto = 
    texture { pigment { color rgb 1 } finish { Glossy } }
texture { pigment { image_map { "povmap"} } scale 0.22 }