"KalleK" <kal### [at] gmxde> wrote in message news:3b12811b$1@news.povray.org...
> Hi Bill!
>
> I never used Isosurface before, nor Megapov but what about:
>
> #local Sun = function(SunMass/(max((x-SunPosx)*(x-SunPosx)+
>
> (z-SunPosz)*(z-SunPosz),1/hole_deep)))
> isosurface {
>  funcition {y+Sun[+Earth]}

    This seems to be working... and you say you never worked with
isosurfaces before?

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