On Mon, 14 Oct 2002 20:05:38 +0200, "Tim Nikias" <tim### [at] gmxde> wrote:
> Can be somewhat shorter...
>
> light_source{0 color 1}cone{-z,.1,z,0 pigment{wrinkles color_map{[0 rgb
> 0][.5 rgbf<1,0,0,1>][.6 rgbf<0,1,0,1>][1 rgb 0]}scale .1}}plane{z,1
> pigment{rgb 1}}

It is much too long

light_source{0on}cone{-z.1z,0pigment{wrinkles color_map{[0rgb 0][.5rgbf
x+t][.6rgbf y+t][1rgb 0]}scale .1}}plane{z,1pigment{rgb 1}}

Idea of heaving POV sig is not only to have a nice image there but also to put
something to recognize who is owner of the sig. So could be nice to include
nick there. Not talking about the cryptic nature of signatures :-)

ABX
-- 
disc{z,-z#macro O()asc(substr("-+((1*(,1,/.-,*/(,&.323/'1"e 1))/10-4#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()>.01#
end}}}}{k(g(atan2(x,y)),g(ln(pow(x+y,2)+1e-5)),0)}}finish{ambient 1}}//ABX35

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