> What I want is for all points where y >= +100 to be red, all points where y
> <= -100 to be blue, and the points inbetween to be linearly interpolated. I
> can get red -> blue -> red, and I can get blue -> red -> blue, but how do I
> get red -> blue?

I would take a checker and scale it so large that only two cubes are
in the visible scene, their frontier being at y=100. One of the
patterns I would make red, for the other I repeat the trick for a
second frontier at y=-100. One of those textures I make blue, the
other will be a gradient or however that was called.

Probably NOT the best solution.


-- 
merge{#local i=-11;#while(i<11)#local
i=i+.1;sphere{<i*(i*i*(.05-i*i*(4e-7*i*i+3e-4))-3)10*sin(i)30>.5}#end
pigment{rgbt 1}interior{media{emission x}}hollow}//  Mark Weyer

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