> http://www.pp.htv.fi/kkivisal/em.jpg>> pigment {> slope {cam_lookat-cam_location,0,0.5}> color_map{> [0 rgb 0]> [0.5 rgb 0.3]> [1 rgb 1]> }> }>
Slope was a great idea, thanks Kari. I tweaked it a bit and came up with a
look that I really like. I'll post an image in bin.images.
John
