[vtkusers] eliminate duplicate nodes

Oliver Gloth oliver.gloth at engits.com
Thu Dec 6 10:49:07 EST 2007

Thanks for the info! I will have a look at it as soon as the Kitware server
is up and running again - there seems to be a problem today.


-----Original Message-----
From: vtkusers-bounces+oliver.gloth=engits.com at vtk.org
[mailto:vtkusers-bounces+oliver.gloth=engits.com at vtk.org] On Behalf Of
Dominik Szczerba
Sent: 06 December 2007 10:45
To: vtkusers at vtk.org
Subject: Re: [vtkusers] eliminate duplicate nodes

There is such a thing in the Paraview source but not in VTK. Just grab its
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
> 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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