Hello,
Thank you for your answer.
It WAS a multiblock dataset, but as you mentioned it as a potential issue, I 
made it even simpler : one temporal dataset with a unique block of 8 points and 
2 fields (displacement=DEPL and velocity=VITE). No more success for me, the 
ParticlePath filter proves to be highly unstable (version 4.2.0 on Linux 64 
bits).
You will find my data in the attached tarball.
Regards,
Jerome

De : Andy Bauer [mailto:andy.ba...@kitware.com]
Envoyé : mercredi 3 décembre 2014 20:14
À : CARDOLACCIA Jérome
Cc : paraview@paraview.org
Objet : Re: [Paraview] Trajectories of material points

Is your data set a multiblock data set? If it is, you may need to have all of 
the same point data fields ordered in the same way on each block. You can use 
the pass arrays filter to get rid of all of the arrays that you don't use if 
this is the case. Also, certain readers (the openFOAM reader for example), has 
different arrays at the first time step than the others and this can cause 
problems as well.

Can you share your data set? The particle paths filter can be a bit finicky.

On Wed, Dec 3, 2014 at 2:05 PM, CARDOLACCIA Jérome 
<jerome.cardolac...@cea.fr<mailto:jerome.cardolac...@cea.fr>> wrote:
Hello,

I have a very simple temporal dataset, consisting of half a dozen  points with 
two fields : displacement and velocity.
I can animate the motion thanks to the WarpByVector filter (applied to the 
displacement field) : this shows the successive positions of the points.
Now I also want to display the trajectory of these points, that is the line 
joining all of their previous positions up to the current ones.

This seem to be quite basic, but I cannot find a way to do it (the ParticlePath 
filter seems to be the closest match, but it crashes Paraview with this kind of 
dataset).

If someone has ever had success doing this, please let me know.

Kind regards,

Jerome Cardolaccia


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