<div dir="ltr"><div><div><div><div><div>Hi Jean,<br><br></div>I'm guessing you missed the vtkCPInputDataDescription::SetWholeExtent() method in your adaptor. Catalyst runs like "pvbatch -sym", i.e. each process runs the script and we avoid MPI reduce operations to process 0. This results in process 0 (the process that writes out the meta xml file) not knowing the whole extent. By using vtkCPInputDataDescription::SetWholeExtent() it should fix that.<br><br></div>If that's not the case, please let me know and we'll try and figure why things aren't working properly. Also, please let me know if this fixes the image output issue. I haven't seen that before and would like to make sure it's not a bug elsewhere that's causing this.<br><br></div>By the way, with Live does the data set extent show the correct values in the gui? I don't think I've checked on that and would like to verify that is correct.<br><br></div>Best,<br></div>Andy<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Aug 24, 2016 at 10:37 AM, Favre Jean <span dir="ltr"><<a href="mailto:jfavre@cscs.ch" target="_blank">jfavre@cscs.ch</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div style="direction:ltr;font-family:Tahoma;color:#000000;font-size:10pt">Hello Catalyst developers<br>
<br>
I have my first parallel simulation interfaced with Catalyst live. I use PV 5.1.2<br>
<div><br>
While the live display has all the pieces, with the correct sub-extents, and the renderview shows the full grid without any missing piece, I find that the Parallel Image Data Writer does not correctly write the WholeExtent, using the 0-th piece's extents, instead
of the global extent. Correcting the output by hand, enables me to later view the full grid. So, all pieces are correct, I only have a problem with the WholExtent. For example, running on 4 MPI tasks, I get<br>
<br>
<VTKFile type="PImageData" version="1.0" byte_order="LittleEndian" header_type="UInt64"><br>
<PImageData WholeExtent="0 11 0 11 0 0" GhostLevel="0" Origin="0 0 0" Spacing="1 1 1"><br>
<PPointData><br>
<PDataArray type="Float64" Name="temperature"/><br>
</PPointData><br>
<Piece Extent="0 11 0 11 0 0" Source="filename_624_0.vti"/><br>
<Piece Extent="0 11 10 21 0 0" Source="filename_624_1.vti"/><br>
<Piece Extent="10 21 0 11 0 0" Source="filename_624_2.vti"/><br>
<Piece Extent="10 21 10 21 0 0" Source="filename_624_3.vti"/><br>
</PImageData><br>
</VTKFile><br>
<div><font size="2"><span style="font-size:10pt">
<div><br>
<br>
whereas the correct line should be<br>
<PImageData WholeExtent="0 21 0 21 0 0" GhostLevel="0" Origin="0 0 0" Spacing="1 1 1"><br>
<br>
is this a know issue?<br>
<br>
likewise, eventhough the live paraview renderview shows the full image, when I run my simulation and save screnshots, I only the image output of Task 0.<br>
<br>
Is this known? or is it a problem with my own code? I am puzzled by the fact that when connecting live to the simulation, all pieces are at the right places, so I do see a full resolution mesh. Why should the PNG and *pvti files be missing pieces?<br>
<br>
Thanks for any tips.<br>
-----------------<br>
Jean</div>
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