On Mon, 29 Oct 2001 18:19:33 +0100, "Rune"
<run### [at] mobilixnetdk> wrote:

> "W?odzimierz ABX Skiba" wrote:
> > this macro is not on the list but I think it could be usefull
>
> Hmm, I don't know, so I'd like to hear the opinions of others. Is this macro
> useful enough for inclusion?

I've designed this macro becouse I planned to write Append_To_Array
and Append_Array_To_Array macros working multidimensional.

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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