[Paraview] Fetching data from xdmf temporal collection

[Tim Gallagher]

Hi Jean-Michel, 

For what it's worth, we never had much luck when we tried using XDMF time series (back in the early PV version 3.14 days). So we instead just got in the habit of looking at individual snap shots and if we wanted to do an animation, we would use the Python trace feature to set up our view and then make some small modifications to the generated trace script. We would wrap all of the contents in a function that took in a file name/number and output an image at the end and then we would write a small driver program that would call that function, looping over our temporal series that way. 

It has the added benefit of running the visualization on a cluster where each process is serial and handles a range of data files. 

Hopefully somebody who has gotten temporal series to work can help you out. If not, I'll be happy to share some example scripts for processing time series data as snapshots using pvpython. 

Tim 

----- Original Message -----

From: "Jean-Michel" <jm.lucas at gantha.com> 
To: paraview at paraview.org 
Sent: Tuesday, March 17, 2015 12:46:08 PM 
Subject: [Paraview] Fetching data from xdmf temporal collection 



Dear all, 

I am trying to fetch data out of a xdmf/h5 file. 
My xdmf file is a temporal collection and the xdmf reader recognizes the time steps (index/values in the information block). 
I would like to access the point data for each time steps. However, I seem to only get one time step when fetching the point data from the multi-block dataset and I don't know how to iterate over the different time steps. 

Hope somebody can help. Thank you very much, 

Jean-Michel 



		
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