<div>If you post a small compilable/runnable code sample and two small ascii vtk data files, the list can better understand and assist you.</div><div><br></div><div>My understanding is that you are making one model consisting of triangles and another, which has the same geometry, consisting of tetrahedra. In that case I expect the volume would be different. The triangle one, containing only infinitely thin triangles should have a volume of zero. My guess as to why they look different is that the ordering for some of the cells you are making is incorrect.</div>
<div><br></div><div>David E DeMarle</div>Kitware, Inc.<br>R&D Engineer<br>21 Corporate Drive<br>Clifton Park, NY 12065-8662<br>Phone: 518-881-4909<br>
<br><br><div class="gmail_quote">On Mon, Jul 30, 2012 at 3:59 AM, ALI HADIMOGULLARI <span dir="ltr"><<a href="mailto:ali.hadimogullari@netcad.com.tr" target="_blank">ali.hadimogullari@netcad.com.tr</a>></span> wrote:<br>
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<p class="MsoNormal">I have already created solid model and I want to create a copy of the solid model. I used to two vtk type, VTK_TRIANGLE and VTK_TETRA
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">for the first type has been used ;<u></u><u></u></p>
<p class="MsoNormal">before select my solid model after get cell and get point metod add new cell add point0 , point1 ,point2, point3
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">cell.Points.AddRange(point0, point1, point2);<u></u><u></u></p>
<p class="MsoNormal">cell.Points.AddRange(point0, point1, point3);<u></u><u></u></p>
<p class="MsoNormal">cell.Points.AddRange(point0, point2, point3);<u></u><u></u></p>
<p class="MsoNormal">cell.Points.AddRange(point1, point2, point3);<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">for the scond VTK_TETRA type use metod<u></u><u></u></p>
<p class="MsoNormal">cell.Points.AddRange(point0, point1, point2, point3);<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">There are two models differ in some parts of each and volume calc value is different. what is the vtk logic? and Why different drawing some parts of each?<u></u><u></u></p>
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