On 17 May 2001 12:49:01 -0400, Ron Parker wrote:
>To see the dual of a specific tiling, use my tiling macros in p.t.s-f and
>replace the definition of G with
>
>#local G=pigment {gradient z color_map {[.1 rgb 0][.1 rgb 1]}}

#local G=pigment {gradient z color_map {[.05 rgb 0][.05 rgb 1]} scale 2}

works better, because 3.3.3.3.3.3 needs more white to the edges.  Doing this
pointed out a possible bug in my 6.3.3.3.3 implementation, too, so maybe I'll
be fixing that soon.

-- 
#macro R(L P)sphere{L F}cylinder{L P F}#end#macro P(V)merge{R(z+a z)R(-z a-z)R(a
-z-z-z a+z)torus{1F clipped_by{plane{a 0}}}translate V}#end#macro Z(a F T)merge{
P(z+a)P(z-a)R(-z-z-x a)pigment{rgbf 1}hollow interior{media{emission 3-T}}}#end 
Z(-x-x.2x)camera{location z*-10rotate x*90normal{bumps.02scale.05}}

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