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Evaluate gave me a max_gradient of 24.556. The speckles were unchanged at
this value. As for the source... here's the cloud so far:
#declare F=function{pigment{
spotted
turbulence 5
color_map { [0 rgb 0.6][1 rgb 0.0] }
scale .125
}
}
isosurface
function { x^2 + 4*y^2 + z^2 -.25 +
(F(x*0.2,y*0.2,z*0.2).red-0.31) }
max_gradient 3
contained_by{sphere{0,.75}}
pigment {rgbf 1 }
interior {
media {
scattering {2, 5 extinction .5 }
method 3
intervals 1
}
}
double_illuminate
hollow
}
--
Skip
news:bq65vtkq78scf6d96s6n2bbofhhggapiph@4ax.com...
> On Wed, 14 Nov 2001 10:23:20 -0600, "Skip Talbot" <sta### [at] uiuc edu>
wrote:
>
> > Any ideas on how I can get rid of or reduce the speckling in this
isosurface?
>
> Nice. Could you provide some source ? It seems you should start with eval
> (described i.e. here
http://www.povray.org/working-docs/id000167.html#6_5_4_5 ).
>
> ABX
> --
> #declare _=function(a,b,x){((a^2)+(b^2))^.5-x}#default {pigment{color rgb
1}}
> union{plane{y,-3}plane{-x,-3}finish{reflection 1 ambient
}}isosurface{ file://ABX
>
function{_(x-2,y,1)|_((x+y)*.7,z,.1)|_((x+y+2)*.7,z,.1)|_(x/2+y*.8+1.5,z,.1)
}
> contained_by{box{<0,-3,-.1>,<3,0,.1>}}translate z*15finish{ambient
1}}//POV35
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