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On Fri, 09 Nov 2001 06:42:20 -0800, Ken <tyl### [at] pacbell net> wrote:
> #declare Heart =
If the poly creates the same equation (I've not checked) like heart available in
isosurface library then it could be something strange with equation or solver.
Iso version of heart has also strange line in the middle.
ABX
--
#declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb 1}}
union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient 0}}isosurface{ //ABX
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)}
contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient 1}}//POV35
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