[vtkusers] Metaball Simulation

[Randall Hand]

I'm curious if there is any way in VTK to do a create a MetaBall-type
dataset.  Example of metaballs can be found here:
http://www.corelmag.com/1103/overview/Metaball_Modeling.html

Basically I want to be able to define points in 3d-space along with a Radius
for each, and then have a vtkPolyData (or something like it) created from
the results of the Metaball surface.  Is there any way to do this in VTK?  I
can get a rough approximation by using a vtkGlyph3d and mapping a
vtkSphereSource at each point, but that leaves intersecting geometry without
the smooth features that come from a Metaballs type algorithm.

--
Randall Hand
Visualization Scientist,
ERDC-MSRC Vicksburg, MS
Homepage: http://www.yeraze.com
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