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Sure did. Thanks, Berk!
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<div>Gregory D. Abram, Ph.D.</div>
<div>Research Engineering/Scientist Associate</div>
<div>Texas Advanced Computing Center</div>
<div>The University of Texas at Austin</div>
<div>(512) 471-8196</div>
<div><a href="mailto:gda@tacc.utexas.edu">gda@tacc.utexas.edu</a></div>
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<div>On Dec 5, 2014, at 4:17 PM, Berk Geveci <<a href="mailto:berk.geveci@kitware.com">berk.geveci@kitware.com</a>></div>
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<div dir="ltr">Hi Greg,
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<div>I tracked down the problem. It is this line:</div>
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<div>133 sgrid->SetDimensions(count[0], count[1], count[2]);</div>
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<div>This is equivalent to</div>
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<div>sgrid->SetExtent(0, count[0]-1, 0, count[1]-1, 0, count[2]-1);</div>
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<div>which overwrites the earlier SetExtent() call.</div>
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<div>If you get rid of it, it should work fine.</div>
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<div>Best,</div>
<div>-berk</div>
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<div class="gmail_quote">On Sat, Nov 29, 2014 at 7:09 PM, Greg Abram <span dir="ltr">
<<a href="mailto:gda@tacc.utexas.edu" target="_blank">gda@tacc.utexas.edu</a>></span> wrote:<br>
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<div style="word-wrap:break-word">Hey y'all -
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<div>I'm trying to write a parallel reader for a user's structured grid and am having a problem with extents. I've included a plugin that demonstrates the problem - a little "importer" that hardwires a whole extent of 0,10 in each axis. In RequestInformation
it calls:</div>
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<div> outInfo->Set(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(),this->Internals->extent,6);</div>
<div> outInfo->Set(CAN_PRODUCE_SUB_EXTENT(), 1);</div>
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<div>and in RequestData it calls </div>
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<div> outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(),subext);</div>
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<div> vtkStructuredGrid *sgrid = vtkStructuredGrid::SafeDownCast(output);</div>
<div> sgrid->SetExtent(subext);</div>
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<div>to get the update extent from the pipeline and set it onto the structured grid.. It then stuffs points and data to create a grid from -1 to 1 in each axis. </div>
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<div>When I run it on 2 processes, the result *looks* right, it fills the -1 to 1 space along each axis, there are the right number of cells and points, ProcessIdScalars shows two equal size partitions, but the extent is clearly not right - the wireframe and
surface surface boundaries are incomplete and the extent shown in the Information tab is correct for only one of the two parts.</div>
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<div>So, what am I doing wrong?</div>
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<div>If anyone is interested, I uploaded the plugin code to: <a href="https://utexas.box.com/s/d6ef5kx4oxm1d205hbbo" target="_blank">https://utexas.box.com/s/d6ef5kx4oxm1d205hbbo</a></div>
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<div>
<div>Gregory D. Abram, Ph.D.</div>
<div>Research Engineering/Scientist Associate</div>
<div>Texas Advanced Computing Center</div>
<div>The University of Texas at Austin</div>
<div><a href="tel:%28512%29%20471-8196" value="+15124718196" target="_blank">(512) 471-8196</a></div>
<div><a href="mailto:gda@tacc.utexas.edu" target="_blank">gda@tacc.utexas.edu</a></div>
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