Cool! I'm not about to pick apart that function, though :)

TonyB wrote:

> Here it is, the true septic in all its glory! A million thanks to both Ron
> and Adam, especially Adam, without whose help this would not have been
> possible. Enjoy.
>

>
> //anthony bennett
> //bennetts@panama.c-com.net
> //http://welcome.to/TonyB

> //8-12(01)2000
>
> background {rgb <0,1,2>/3}
>
> camera
> {
>  location <1,1,-1>*65
>  look_at 0
> }
>
> light_source {<1,2,-3>*100 1}
>
> #declare D = 0.2;
>
> isosurface
> {
>  function
>   z^2*(z-1)^2*(z+1)^2+D*(x^7-21*x^5*y^2+35*x^3*y^4
>  -7*x*y^6+7*x^6+21*x^4*y^2+21*x^2*y^4+7*y^6-56*x^4
>  -112*x^2*y^2-56*y^4+112*x^2+112*y^2-64)
>  method 2 max_gradient 100000 sign 1 threshold 0
>  bounded_by {sphere {0,6}} scale 6
>  pigment {rgb <2,3,1>/2.5}
>  finish {specular .5 roughness 1/200}
>  rotate x*70
>  rotate -y*5
>  rotate -z*10
> }
>
>  [Image]

--
Samuel Benge

E-Mail: STB### [at] aolcom

Visit the still unfinished isosurface tutorial: http://members.aol.com/stbenge

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