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

[...]

I tried to used caustics, but - caustics looked good only with 
  caustics 10000
with imho is a quite strange value. My water surface object is:

cylinder { y*4.9, y*4.95, scSeeRad*1.01
  pigment { rgbf <.50,.90,.98, .92> }
  normal { bozo .1 scale .4 }
  finish { reflection { .1 .3 } conserve_energy  }   
  interior {
    ior 1.30
    caustics 20000
  }                                     
  // photons { refraction 1  reflection 0  target 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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