[vtkusers] eliminate duplicate nodes

Dominik Szczerba domi at vision.ee.ethz.ch
Thu Dec 6 04:44:33 EST 2007

There is such a thing in the Paraview source but not in VTK. Just grab its CVS 
version and search for 'clean unstructured grid' or so.
-- Dominik

On Thursday 06 December 2007 10.28:59 Oliver Gloth wrote:
> Dear VTK Users,
> I am currently working on an open-source project - developing a mesh
> generator for CFD simulations. Due to budget and time constraints I have
> chosen to use the VTK data structures as a basis, instead of writing my own
> data structures. Furthermore this makes building a GUI (based on Qt) to
> modify and visualise the mesh easy. One thing that is required is a filter
> to merge two grids and eliminate duplicate nodes. Is such a thing already
> part of VTK, or does somebody have a piece of code that would do this? The
> implementation is not trivial, because the 3D search can be very time
> consuming. If it doesn't exist yet I will implement it myself, but I would
> like to avoid double work as much as possible.
> Oliver

Dominik Szczerba, Ph.D.
Computer Vision Lab CH-8092 Zurich

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