[Paraview] vtkCompositeDataSet - memory ?

Jacques Papper jpapper at ara.co.uk
Fri Feb 20 14:23:52 EST 2009


Hi all, 

I'm writing a reader for a dataset which has boundary faces (tri and quads)
as well as volume cells (tets etc..). 
In would like to use a CompositeDataSet as a container, so that I can easily
extract boundary faces which are groupesd in named zones (for ex: upper_surf
lower_surf etc...). 

The problem I encounter is that if I us a vtkMultiblockDataSet composed of
vtkUnstructuredGrid there is no relationship between the separate blocks.
This means that I need to duplicate points which are shared between the
different blocks, duplicate the data associated to thes points etc ... 

Is there a vtkCompositeDataSet where all the points and data are shared
between the branches and the only difference is the cells ?

Thank you for your guidance. 

Jacques PAPPER
Applied CFD Team Leader
Tel: +44 (0) 1234 324677


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