8 6             world x and y dims
4 3 5           viewpoint (x, y, z)

12              plane  - 0
0.0 0.0 1.0     normal
0.0 0.0 -8.0    point

0.0 0.0 0.0     ambient
3.2 3.2 3.2     diffuse
0.0 0.0 0.0     specular

15              tiled plane   - 1
0.0 1.0 0.0     normal
0.0 0.0 0.0     point


0.0 0.0 0.0     ambient
4.0 4.0 3.6     diffuse
0.0 0.0 0.0     specular

1.0             grid size
1.0 0.0 0.0     grid direction

0.0 0.0 0.0     ambient
2.4 4.4 4.4     diffuse
0.0 0.0 0.0     specular

10              light
4 8 11          center
1               radius
42 42 42        emissivity