Hi all,
I am working on a programmable filter and I want to extract and analyze data
generated by an isosurface. I'm having a hard time coming up with generic data
to represent what I mean, but I'll try to describe it.
I run my data and generate an isosurface for a single value. The resulting
isosurface generates disconnected/independent blobs in space. I've attached an
image of what it looks like. I would like to take each of those independent
surfaces and manipulate them (compute volume of each, or maximum cross
sectional area, or find a central axis, or delete them based on the computed
volume, etc) but I can't figure out how to extract the data I need through VTK.
I have the vtkPolyData array as well as the normals array, but I cannot figure
out how to use that information to isolate and extract the independent
surfaces.
Does anybody have any suggestions or examples I can look at on how to
manipulate the data?
Thanks,
Tim
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