"Rafal 'Raf256' Maj" <raf### [at] raf256com> wrote in
news:Xns### [at] 204213191226 

>> You cant tell from finish{finWater1} if it is a declared finish or a
>> macro. 
> macro is for users that use already finWater1() to have shorten syntax
> then finish{finWater1}. It realy matter if scene have i.e. 100 objects
> placed manualy (without loops / editors / etc)

best exaple - if each of objects have realy complex textures - with many 
layers, and some layers use material maps, or color maps 

color_map {
  [0.0 colEye]
  [0.1 colEye]
  [0.11 colSkin]
  [0.5 colSkin]
  [1.0 colBlood]
}

// -----------

color_map {
  [0.0 color rgbft colEye]
  [0.1 color rgbft colEye]
  [0.11 color rgbft colSkin]
  [0.5 color rgbft colSkin]
  [1.0 color rgbft colBlood]
}


-- 
#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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