On Tue, 4 Dec 2001 15:20:45 -0500, Bill DeWitt wrote:
> 
>     Probably a really screwy way of doing it, but it makes sense to me.

Almost exactly what I do, except that I see z as into the monitor (i.e.
z increases as the distance from the viewer does) and so I use a left-handed
system (yours is right-handed.)

-- 
#local R=rgb 99;#local P=R-R;#local F=pigment{gradient x}box{0,1pigment{gradient
y pigment_map{[.5F pigment_map{[.3R][.3F color_map{[.15red 99][.15P]}rotate z*45
translate x]}]#local H=pigment{gradient y color_map{[.5P][.5R]}scale 1/3}[.5F
pigment_map{[.3R][.3H][.7H][.7R]}]}}}camera{location.5-3*z}//only my opinions

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