On Thu, 4 Apr 2002 15:30:49 +0100, "Tom Melly" <tom### [at] tomandlucouk> wrote:
> >   IMHO the rules should say that the scene must not issue any warnings.
>
> Why? This would invalidate a lot of perfectly acceptable shortcuts. Suppose I
> make an image that works by casting shadows, do I have to have a pigment for
> each shape even though they are never seen?

I think that no-warning strategy is nice but should be used rather in useful
tools, inlude files, macros distributed to others as tutorials, packages etc.
Shortest code or sig is made to confuse so no need to remove it but also no need
to not try to remove it. Just not important thing.

ABX
--
disc{z,-z#macro O()asc(substr("-+((1*(,1,/.-,*/(,&.323/'1"e,1))*.1-4#declare
e=e-1;#end#local e=26;5pigment{#local g=function(_){ceil(_)-_}function#local
k=function{pattern{object{sphere_sweep{linear_spline 13#while(e)<O(),O()//35
>.01#end}}}}{k(g(atan2(x,y)),g(ln((y+x)^2+1e-5)),0)}}finish{ambient 1}}//ABX

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