In one of mine scenes, refracted photons (casted on plane-like-isosurface 
by glass sphere) create some strange waves, even at very high settings
  photons { spacing 0.0075 } (sphere radius is 1.0)

Scene took 2 h to shoot photons and total 19 h to render in 800x600 no AA 
(Athlon 1,6 512 DDR)

How can I get rid of waves under sphere ? Maybe I should change gather to 
increase radius of photns "spots" and connect them togeather ?

Scene is posted in .b.i (006.png - jewels)

-- 
#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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