<div dir="ltr"><div><div>Hi Jim,<br><br></div>Yes, you can have a Catalyst instrumented code connect to something running pvserver and have the pvserver connect to the client. At the end of the Python generated scripts there should be a line that looks like:<br> coprocessor.DoLiveVisualization(datadescription, "localhost", 22222)<br><br></div>Here you just have to edit it to point to something other than localhost. <br><div><div><div class="gmail_extra"><br></div><div class="gmail_extra">As for overlapping structured grids, there's no convenient composite/multiblock data set for that like there is for Cartesian grids. What you would need to do is use vtkStructuredGrids with blanking done manually and then just add them in as blocks in a vtkMultiBlockDataSet. It won't have the structure that the AMR specific composite data sets have so it may be a bit slower for some filters but it should work pretty much like you want for most stuff. Please let us know if you try this out and get unexpected/undesired behaviour.<br><br></div><div class="gmail_extra">Best,<br></div><div class="gmail_extra">Andy<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 31, 2016 at 12:05 PM, <span dir="ltr"><<a href="mailto:Jim.Eliot@awe.co.uk" target="_blank">Jim.Eliot@awe.co.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)">Hi Andy,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)">Thanks for your reply. Currently I am looking at the small examples but I would like to be able to fetch larger geometries in future.
Is it possible for the simulation to connect to a parallel pvserver which will send images back to the client?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)">Putting interactive usage to one side for a moment, is non-uniform AMR supported in Catalyst batch? I.e. overlapping structured grids
. I couldn’t find any references to non-uniform AMR in ParaView while researching.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)">Kind regards,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)">Jim<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11pt;font-family:"Calibri",sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><a name="m_-936459429849215829______replyseparator"></a><b><span style="font-size:11pt;font-family:"Calibri",sans-serif" lang="EN-US">From:</span></b><span style="font-size:11pt;font-family:"Calibri",sans-serif" lang="EN-US"> Andy Bauer [mailto:<a href="mailto:andy.bauer@kitware.com" target="_blank">andy.bauer@kitware.com</a>]
<br>
<b>Sent:</b> 31 March 2016 16:08<br>
<b>To:</b> Eliot Jim AWE <<a href="mailto:Jim.Eliot@awe1.awe.co.uk" target="_blank">Jim.Eliot@awe1.awe.co.uk</a>><br>
<b>Cc:</b> <a href="mailto:paraview@paraview.org" target="_blank">paraview@paraview.org</a><br>
<b>Subject:</b> EXTERNAL: Re: [Paraview] CxxOverlappingAMRExample with Catalyst Live<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal" style="margin-bottom:12pt">Hi Jim,<u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12pt">Yes, currently Overlapping AMR data sets are not supported by Catalyst Live. This is because VTK doesn't support sending that data object. That would have to be changed in vtkCommunicator::Send(vtkDataObject*
data, int remoteHandle, int tag). <u></u><u></u></p>
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<p class="MsoNormal" style="margin-bottom:12pt">A workaround would be to use a Threshold filter to convert to a multiblock of unstructured grids, use the merge blocks filter and then extract this output to the client. You'll get some warnings about the data
set not being a polydata (think about running a large simulation and trying to transfer all of that to a separate server or client). I'm assuming since you're trying to fetch the entire data set that the use case isn't for an overly large data set.<u></u><u></u></p>
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<p class="MsoNormal">Cheers,<u></u><u></u></p>
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<p class="MsoNormal">Andy<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On Thu, Mar 31, 2016 at 9:44 AM, <<a href="mailto:Jim.Eliot@awe.co.uk" target="_blank">Jim.Eliot@awe.co.uk</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Good afternoon,<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">I have been trying to use Catalyst Live with the CxxOverlappingAMRExample from the ParaView Catalyst Example Code repository [1] but I see an error when I try to visualise the data
from a ParaView client. The client connects to the simulation successfully and PVTrivialProducer1 appears in the Pipeline Browser. The Information tab shows it as an Overlapping AMR Dataset with 3 levels. However, when I click on the PVTrivialProducer1 icon,
ParaView prints an error then segfaults. The error is something like:<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal"> Warning: In <src-dir>/VTK/Parallel/Core/vtkCommunicator.cxx, line 394<u></u><u></u></p>
<p class="MsoNormal"> vtkSocketCommunicator (…): Cannot receive vtkOverlappingAMR<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">I have tried this with both ParaView 4.4.0 and 5.0.0 with the same results. The example works fine when I am using non-Live Catalyst (i.e. it writes out a bunch of vtm files that
I can read into ParaView).<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">So I am wondering, are AMR meshes not supported by Catalyst Live? Do I have to handle AMR meshes differently when using Catalyst interactively?<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">Many thanks,<u></u><u></u></p>
<p class="MsoNormal">Jim<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal">[1]
<a href="https://github.com/Kitware/ParaViewCatalystExampleCode" target="_blank">
https://github.com/Kitware/ParaViewCatalystExampleCode</a><u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none">
<b><span style="font-size:10pt;font-family:"Arial",sans-serif;color:rgb(0,116,123)">Jim Eliot</span></b><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none">
<b><span style="font-size:10pt;font-family:"Arial",sans-serif;color:rgb(0,116,123)">High Performance Computing Group</span></b><u></u><u></u></p>
<p class="MsoNormal" style="text-autospace:none">
<span style="font-size:10pt;font-family:"Arial",sans-serif;color:rgb(0,116,123)">AWE, Aldermaston, Reading, RG7 4PR
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<p class="MsoNormal"> <u></u><u></u></p>
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