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<div>Hi Andrew,</div>
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<div style="direction:ltr">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. </div>
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<div style="direction:ltr">Best,</div>
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<div style="direction:ltr">Jonathan</div>
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<div class="acompli_signature">Get <a href="https://aka.ms/o0ukef">Outlook for iOS</a></div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> 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</font>
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<p class="MsoNormal"><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
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<p class="MsoNormal"><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.
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<p class="MsoNormal"><span style="font-size:11.0pt">I am using VTK7.1 (I can use 8 if needed) on MacOS.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Here is the steps that I envision, but I am open to all options:</span></p>
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<li class="MsoListParagraph" style=""><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></li><li class="MsoListParagraph" style=""><span style="font-size:11.0pt">Use </span><span style="font-size:11.0pt">vtkInterpolateDataSetAttributes to interpolate between the result from (1) and the fine mesh.</span><span style="font-size:11.0pt"></span></li></ol>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Thanks for the help,</span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Andrew</span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> </span></p>
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