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<p>Hi Matthew,</p>
<p>Thanks for your answer. I just looked at the pestc4py 3.11.0 (I think it is the newest one). </p>
<p>Actually, I did not find DMPlexGetClosure function in the DMPlex.pyx, also not in DM.pyx.</p>
<p>Best,</p>
<p>Jian</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Matthew Knepley <knepley@gmail.com><br>
<b>Sent:</b> 21 August 2019 14:03:19<br>
<b>To:</b> Jian Zhang - 3ME<br>
<b>Cc:</b> Jed Brown; petsc-users@mcs.anl.gov<br>
<b>Subject:</b> Re: [petsc-users] Getting the connectivity from DMPlex</font>
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<div dir="ltr">On Wed, Aug 21, 2019 at 7:48 AM Jian Zhang - 3ME via petsc-users <<a href="mailto:petsc-users@mcs.anl.gov">petsc-users@mcs.anl.gov</a>> wrote:<br>
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<p>Hi Jed,</p>
<p>Thank you very much. I tried to use DMPlexGetCone, but the output is the edge ids, not the vertice ids. For the function <span>DMPlexGetClosureIndices, I can not find it in petsc4py. Do you know any alternative ways to solve this?</span></p>
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<div>DMPlexGetClosure() should be in petsc4py. It also returns orientations, which you can just filter out.</div>
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<div> Thanks,</div>
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<div> Matt</div>
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<p>Best,</p>
<p>Jian</p>
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<div id="gmail-m_4756795434960579141x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Jed Brown <<a href="mailto:jed@jedbrown.org" target="_blank">jed@jedbrown.org</a>><br>
<b>Sent:</b> 21 August 2019 13:42:41<br>
<b>To:</b> Jian Zhang - 3ME; <a href="mailto:petsc-users@mcs.anl.gov" target="_blank">
petsc-users@mcs.anl.gov</a><br>
<b>Subject:</b> Re: [petsc-users] Getting the connectivity from DMPlex</font>
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<div class="gmail-m_4756795434960579141PlainText">Jian Zhang - 3ME via petsc-users <<a href="mailto:petsc-users@mcs.anl.gov" target="_blank">petsc-users@mcs.anl.gov</a>> writes:<br>
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> Hi guys,<br>
><br>
> I am trying to get the element connectivity from DMPlex. The input is the element id, and the output should be the vertice ids. Which function should I use to achieve this? Thanks in advance.<br>
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See DMPlexGetCone or DMPlexGetClosureIndices.<br>
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<div>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener</div>
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<div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br>
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