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Originally Posted by nightoftheroundtable
what does it do?
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It's a tool for modelling blobby/organic looking objects. Mostly for aesthetics rather than exact modelling.
You will be able to specify a number of "blobs" each of which generate a field, like a electrostatic force. The combined field of all the blobs is then used to define an isosurface i.e. a surface of constant field value, which gives you shapes like the blobby thing in the link. Many ray tracers and modellers have metaballs/blobs as a primitive.
Why am I doing it? I give the mountaineer's excuse. Because it's there.
Steve.