This is exactly what I planned to do but since the number of points grows up as 
I extract the subset, even the writing process makes Paraview crashing due to 
memory allocation errors.
Thanks for the tip for using vtkExtractCellsByRegion instead, it actually gives 
the expected result!
Cheers

Fred

> From: [email protected]
> To: [email protected]
> Date: Thu, 3 Sep 2009 14:13:15 +0200
> Subject: Re: [Paraview] How to extract a subdataset?
> 
> On Thursday 03 September 2009 12:45:17 pm Fred Fred wrote:
> > how to clip an unstructured dataset with the expected resulting
> > effect on the memory size?
> 
> I think you can use the "Extract Cells By Region" filter here. As far as I 
> understand, the original data remains in memory as well, so in order to 
> reduce 
> memory usage you then have to write the reduced data to a file and start from 
> there.
> 
> Cheers,
> 
> Bart
> 
> -- 
> Bart Janssens
> Lieutenant, Assistant
> Royal Military Academy of Belgium
> Department of Mechanical Engineering
> Tel: +32 (0)2 742 6551
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