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<p class="MsoNormal"><span style="font-size:11.0pt">In my previous reply I included the wrong script, this one still doesn’t work, but runs. Sorry.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="color:black">From: </span>
</b><span style="color:black">Jonathan Borduas <jonathan.borduas@caboma.com><br>
<b>Date: </b>Monday, November 26, 2018 at 11:17 AM<br>
<b>To: </b>"Andrew E. Slaughter" <andrew.slaughter@inl.gov>, vtkusers <vtkusers@vtk.org><br>
<b>Subject: </b>Re: [vtkusers] Mesh Interpolation<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Hi Andrew,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">One way to interpolate point and cell data between two mesh: you can use the vtkPointInterpolator with a Voronoi Kernel (or other kernel), do a itk::DiscreteGaussianImageFilter over
the 3D image to smooth the interpolation and then do a vtkProbeFilter. <o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Best,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Jonathan<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Get <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__aka.ms_o0ukef&d=DwMF-g&c=54IZrppPQZKX9mLzcGdPfFD1hxrcB__aEkJFOKJFd00&r=h7heP8xwI1i_HikChvhFbEBurKirgfOCdwgBxB9lM8c&m=aAOXM3i-LCmwbKnx-O9gSjuXokpbn-5eRK65fXdzvCg&s=fr7AzqyWyyeMEM2RozZhbe697LCCwggGrGZtJhKSQAY&e=">
Outlook for iOS</a><o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:11.0pt;color:black">From:</span></b><span style="font-size:11.0pt;color:black"> vtkusers <vtkusers-bounces@public.kitware.com> on behalf of Andrew E. Slaughter via vtkusers <vtkusers@public.kitware.com><br>
<b>Sent:</b> Monday, November 26, 2018 1:09:55 PM<br>
<b>To:</b> vtkusers<br>
<b>Subject:</b> [vtkusers] Mesh Interpolation</span><span style="font-size:11.0pt">
<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">I need to perform interpolation of data between two ExodusII files that differ because of refinement. I was hoping someone could point me in the
</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">correct direction for performing this action. I have attached the Exodus files that I am working with as well as a script that reads and displays the two files.
</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">I am using VTK7.1 (I can use 8 if needed) on MacOS.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Here is the steps that I envision, but I am open to all options:</span><o:p></o:p></p>
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<![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]><span style="font-size:11.0pt">Interpolate the result from the coarse mesh to the fine mesh (I don’t know how to do this step).</span><o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:1.5in;text-indent:-.25in;mso-list:l0 level1 lfo1">
<![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]><span style="font-size:11.0pt">Use vtkInterpolateDataSetAttributes to interpolate between the result from (1) and the fine mesh.</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Thanks for the help,</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt">Andrew</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:11.0pt"> </span><o:p></o:p></p>
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