0.0 1.0 0.0 point
1.0 1.0 0.0 point
1.0 0.0 0.0 point
0.0 0.0 0.0 point
4
{ /u /v /face 0.2 0.8 0.8 point
 0.8 0.0 2.0 } polygon
0.7 1.333 refractconstant
-0.5 -0.5 0.0 translate
%45.0 rotatey
0.0 0.0 1.0 translate


{ /u /v /face 0.8 0.2 0.2 point
  0.8 0.8 30.0 } sphere
0.7 uscale
0.5 0.0 2.0 translate union /scene

1.0 1.0 1.0 point
1.0 1.0 1.0 point pointlight /l1

0.4 0.4 0.4 point % ambient light
[ l1 ]            % light source array
scene             % scene to render
1                 % tracing depth
90.0              % field of view
1024 768           % image width and height
"refraction.ppm"     % output file
render