Jellby <jel### [at] M-softhomenet> wrote in
news:3d9c9f77@news.povray.org 

> What about scale 0 (or 1e-50)? Is this prohibited? does this give
> errors? It maybe wouldn't work with infinite objects, but it might be
> useful. 

i.e.
scale x*a = scale <a,0,0> 
is interpreted like scale  <a,1,1>

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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