camera cam1
{
  pixeldim  640 480
  worlddim  8 6
  viewpoint 4 4 4
}

material white
{
   diffuse 5 5 5
   ambient 2 2 2
}

material green
{
   diffuse 0  5 0
   ambient 0  2 0
}

material yellow
{
   diffuse 5 5 0
   ambient 1 1 0
}

plane floor
{
   material white
   normal 0 1 0
   point  0 0 0
}

fplane upper
{
   material yellow
   normal 0 -1 1
   point  1 2.121 -5.121
   xdir   1 0 0
   dimensions 6 3
}

fplane lower
{
   material yellow
   normal 0 1 1
   point  1 0 -3
   xdir   1 0 0
   dimensions 6 3
}

light center_red
{
   location 4 8 -2
   emissivity 5 1 1
}

light left_blue
{
   location 2 8 0
   emissivity 1 1 5
}

light right_green
{
   location 6 8 0
   emissivity 1 5 1
}

light center_white
{
   location 4 3 4
   emissivity 4 4 4
}