// Height Feild Tutorial - HF101SizeMatters1.pov

// some users may want to un-comment and adjust the following line to suit the brightness of their monitor
//global_settings {  assumed_gamma 2.6}     

camera{location <0, 12, -17> look_at <0,0,2>  translate <0,-3,0>}
light_source {<70, 80, -50> rgb 1}
light_source {<150, 50, 40> rgb 0.7 shadowless}

#declare selectSize = 1; // <- set this to 1,2 or 3 to choose the source-image size

#switch(selectSize)
  #case(1) 
    #declare SourceImage = "HF101SizeMaters44.png";
  #break
  #case(2) 
    #declare SourceImage = "HF101SizeMaters11.png";
  #break
  #case(3) 
    #declare SourceImage = "HF101SizeMaters0505.png";
  #break
#end  
  
height_field {
  png SourceImage
  //smooth                     // <-observe the difference when you turn smooth on and off
  translate -0.5
  scale <52,12,52>  
  pigment{color rgb <1,1,0> }
}