// Persistence of Vision Ray Tracer Scene Description File
// File: HeightField.pov
// Vers: 3.6
// Desc: Basic Scene Example of heightfield. Use in the same manner in 3d modelling programme
// Date: 01/31/08
// Auth: ?
//


#if(frame_number>1)
     #error "Done"
#end
   

#version 3.6;

#include "colors.inc"

global_settings {
  assumed_gamma 1.0
}

// ----------------------------------------


sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.0 rgb <0.6,0.7,1.0>]
      [0.7 rgb <0.0,0.1,0.8>]
    }
  }
}

light_source {
  <0, 0, 0>            
  color rgb <1, 1, 1>  
  translate <-30, 30, -30>
}

// ----------------------------------------

plane {
  y, -1
  pigment {  checker pigment{colour rgb 1}pigment{colour rgb <0,.3,1>}}
}


 
intersection{
      intersection{     // x  
              height_field {png "HF007.png" smooth    // -x
                            pigment {
                                      image_map { png "HF001.png" map_type 0 interpolate 2  }
                                      rotate x*90 // lay X-Y image map down onto X-Z height field plane 
                                    }/* */   
                                
                                translate -.5 scale 2.02 rotate y*90 rotate z*90 
                                }    
                                
              height_field {png "HF008.png" smooth   // x 
                           pigment {
                                      image_map { png "HF002.png" map_type 0 interpolate 2 once }
                                      rotate x*90 // lay X-Y image map down onto X-Z height field plane
                                    }/*  */
                                translate -.5 scale 2.02 rotate y*-90  rotate z*-90 
                                } 
              }
      
      intersection{ // y
              height_field {png "HF009.png" smooth   // -y
                            pigment {
                                      image_map { png "HF003.png" map_type 0 interpolate 2 once }
                                      rotate x*90 // lay X-Y image map down onto X-Z height field plane
                                    }/* */
                                translate -.5 scale 2.02 rotate x*180 
                                }  
                                  
              height_field {png "HF010.png" smooth  // y
                            pigment {
                                      image_map { png "HF004.png" map_type 0 interpolate 2 once }
                                      rotate x*90 // lay X-Y image map down onto X-Z height field plane
                                    }/* */ 
                                translate -.5 scale 2.02 //rotate y*-90   // rotate <0,0,0> 
                                }    
              }          
      intersection{   // z
              height_field {png "HF011.png" smooth   // -z
                            pigment {
                                      image_map { png "HF005.png" map_type 0 interpolate 2 once }
                                      rotate x*90 // lay X-Y image map down onto X-Z height field plane
                                    }/*  */
                                translate -.5 scale 2.02 rotate x*-90  
                                }  
                                
              height_field {png "HF012.png" smooth    // z
                            pigment {
                                      image_map { png "HF006.png" map_type 0 interpolate 2 once }
                                      rotate x*90 // lay X-Y image map down onto X-Z height field plane
                                    }/* */
                                translate -.5 scale 2.02 rotate x*90  
                                } 
              }
          
      pigment{rgb 1} 
      finish{specular 1 brilliance 4 reflection 0}
      } 


camera {
  location  <-2, 4, -4>
  direction 1.5*z
  right     x*image_width/image_height
  look_at   <0.0, 0.0,  0.0>
}