[Paraview] Bugs with pvti and pvd

[Greg Abram]

Hey y'all -

Tracking down a user's problem, I'm getting some problems with parallel-format files.    I've generated a little test case using the Wavelet source and a Calculator, creating three time steps with Result being mag(coords)*1.0 1.1 and 1.2, which contour as a shrinking sphere.   I'm running it on 4 processes, so when I export each "timestep" I generate 4 .vti's and a .pvti.    These are the 'w' files.

When I try to load the following  w.pvd on Maverick (1 node, 4 processes):

<?xml version="1.0"?>
<VTKFile type="Collection" version="0.1" byte_order="LittleEndian">
<Collection>
<DataSet timestep="0" group="" part="0" file="w-0.pvti"/>
<DataSet timestep="1" group="" part="0" file="w-1.pvti"/>
<DataSet timestep="2" group="" part="0" file="w-2.pvti"/>
</Collection>
</VTKFile>

(as per http://www.paraview.org/Wiki/ParaView/Data_formats#PVD_File_Format) I get only parts of the data for each timestep when I use 4.2, and when I use 4.1 I get a double-ghost-zone gap between the partitions.

When I write a similar dataset after Tetrahedralizing it (to get the vtu files my user is having troubles with), 4.2 does the same thing - only shows one partition, though 4.1 seems OK.  These are the the 't' files.

I've uploaded the dataset to:   https://utexas.box.com/s/iwn4ajbvfh2davd375gh

Greg

Gregory D. Abram, Ph.D.
Research Engineering/Scientist Associate
Texas Advanced Computing Center
The University of Texas at Austin
(512) 471-8196
gda at tacc.utexas.edu<mailto:gda at tacc.utexas.edu>

[TACC Website]<https://www.tacc.utexas.edu/>

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