// Height Feild Tutorial - HFFitsInABox

// 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 <0.5, 1.4, -1.1> look_at <0.5, 0.3, 0.4>} 
light_source {<40, 40, -5> rgb 1} 
light_source {<5, 400, -100> rgb 1} 

height_field {
  png "hf1.png"
  texture{pigment{colour rgb <0,1,0>} finish{ambient 0.3}}
}

#declare CylPig = pigment{colour rgb <0,0,1>}
cylinder{ <-100,0,0> <100,0,0> 0.02 pigment{CylPig}}
cylinder{ <0,-100,0> <0,100,0> 0.02 pigment{CylPig}}
cylinder{ <0,0,-100> <0,0,100> 0.02 pigment{CylPig}}

box{<0,0,0> <1,1,1> hollow texture{ pigment{colour rgbt <1,1,1,.8> }}}