#include "colors.inc"  
#include "golds.inc" 
#include "metals.inc" 
#include "woods.inc"  
#include "transforms.inc"  
#include "shapes.inc" 
#include "math.inc"
#include "glass.inc"
#include "stones.inc" 
#include "textures.inc" 


object
{
// uses image color index as height, extends along X-Z axes
// from <0 0 0> to <1 1 1>
height_field {
  png "bumpmap_.png"
  texture {
    pigment {
      image_map { png "bumpmap_.png" map_type 0 interpolate 2 once }
      rotate x*90 // lay X-Y image map down onto X-Z height field plane
    }
  }
}
//translate<0,-1,0>
rotate<-30,0,0>
scale 4*<1,.5,1>
}
                 
                             
// the rest is from previous assignments
light_source { <1, 1, -1> color rgb <1,1,1> }
light_source { <-1,5,-5> color rgb <1,1,1> }
light_source { <1,3,1>   color rgb <1,1,1> }
light_source { <-1,5,2>  color rgb <1,1,1> }
                                           
camera {location <1.0, 3.0, -5.0> look_at <0.0, 0.0,  0.0>}

cylinder {<-10, 0, 0>,<10, 0, 0>, 0.1 pigment {color Red}}
cylinder {<0, -10, 0>,<0, 10, 0>, 0.1 pigment {color Green}}
cylinder {<0, 0, -10>,<0, 0, 10>, 0.1 pigment {color Blue}}


plane { y,-1 pigment{ White }}