kev### [at] ekoikcom news:3f6ccdf7@news.povray.org

> identical finishes and pigments the only difference is the lighting 
> model (Left = Minnaert, Middle = Diffuse (POV-Ray Default), Right =
> Oren-Nayar). Comments? Suggests? Other lighting models people think I

Interesting, but... wouldn't it be easier to have simillar effect playing 
with finish options, the one to the left - add some specular,  to the right 
- change brilliance and diffuse ?


-- 
#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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