> Are there parametric equivalents to the implicit metaball functions found here:
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http://www.geogebra.org/en/upload/files/english/Michael_Horvath/Metaballs/geogebra_metaballs.htm
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> I would like to plot random points withing the curves/surfaces.
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>
> Thanks!
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>
>
>

Take a look at the blob primitive. The sole difference is that the 
strength of the fields decrease in a linear fashion.

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