//#version 3.7;
global_settings{ assumed_gamma 1.0 }

//#default{ finish { emission 0.5 ambient 0.0 diffuse 0.5 reflection 0.0 }}
#default{ finish { ambient 0.5 diffuse 0.5 reflection 0.0 }}
camera { orthographic
location -10*z+1/2
direction 2*z
right 1*x
up 1*y
}

height_field {
png "hf.png" //gamma 1.0 
texture { pigment { color blue 1 } }
}

plane { z,10 texture { pigment { color rgb 1 } } }

light_source { -20*z,1 parallel }