[vtkusers] Topology preserving mesh decimation

[Mathieu Malaterre]

Hendrik,

	Did you try:

http://www.vtk.org/doc/nightly/html/classvtkQuadricClustering.html

HTH
Mathieu

Hendrik Belitz wrote:
> Hello,
> 
> after I've found a work around for the creation of isosurfaces from binary 
> volume datasets, I need to decimate the resulting meshes up to 95%. One 
> important aspect is to keep the topology of the mesh - it still needs to be 
> 2-manifold after decimation. 
> 
> VTK Documentation only tells me that vtkDecimatePro has the ability to change 
> mesh topology (maybe there is some kind of switch to disallow topology 
> changes?). What about the other decimation filters? Is there any decimation 
> filter that retains the original mesh topology.
> 
> ----------------------------------------------------------------
> Hendrik Belitz
> Central Institute of Electronics
> Research Center Jülich
> D-52428 Jülich, Germany
> Tel.: (++49)2461 61 4578
> Fax: (++49)2461 61 3990
> email: h.belitz at fz-juelich.de
> 
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