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

9             projecting plane
8 8 8         intensity

0   0    1    normal
3   2    1    point
1   0    0    x direction
2 2           size

mike.ppm
1
1

11            sphere
0 0 0         r g b ambient
4 4 4         r g b diffuse
0 0 0         r g b specular

4 5 -8        normal
6             radius

12            plane
0 0 0         r g b ambient
0 0 0         r g b diffuse
1 1 1         r g b specular

0 1  0        normal
0 0  0        point