<div dir="ltr">VTK doesn't support arbitrarily placed values within cells as a first class concept.<br><br>So I would use two meshes: one containing just the extra points the other with for the usual mesh.<br><br>Take a look at our Gauss points implementation. Here we store the extra points in the field data and have dedicated filters that work with and eventually extract them onto a separate mesh for display.<br><div class="gmail_extra"><br clear="all"><div><div class="m_3956561308723958975gmail_signature" data-smartmail="gmail_signature">David E DeMarle<br>Kitware, Inc.<br>R&D Engineer<br>21 Corporate Drive<br>Clifton Park, NY 12065-8662<br>Phone: <a href="tel:(518)%20881-4909" value="+15188814909" target="_blank">518-881-4909</a></div></div>
<br><div class="gmail_quote">On Thu, Feb 16, 2017 at 10:23 AM, Bill Lorensen <span dir="ltr"><<a href="mailto:bill.lorensen@gmail.com" target="_blank">bill.lorensen@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">Can you describe what you expect to see?</div><div class="m_3956561308723958975HOEnZb"><div class="m_3956561308723958975h5"><div class="gmail_extra"><br><div class="gmail_quote">On Feb 16, 2017 10:05 AM, "Tharun" <<a href="mailto:tharun160190@gmail.com" target="_blank">tharun160190@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Thanks for the heads up.<br><br></div>But i have 0 ~ many points in each triangle (cell) not just one and a scalar is associated with each point.<br><br></div>Really appreciate the follow up.<br></div><div class="gmail_extra"><br clear="all"><div><div class="m_3956561308723958975m_-8722409692825564639m_-8189810438078585567gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">Regards,<br>P Tharun Kumar<br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
<br><div class="gmail_quote">On Thu, Feb 16, 2017 at 11:50 PM, Cory Quammen-2 [via VTK] <span dir="ltr"><<a href="http:///user/SendEmail.jtp?type=node&node=5742209&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>></span> wrote:<br><blockquote style="border-left:2px solid #cccccc;padding:0 1em" class="gmail_quote">
I see, thanks for the explanation. In VTK, we call that kind of data
<br>cell-associated data, or just cell data.
<br><br>In the vtkMapper you use, you'll want to call
<br><br>mapper->SetScalarModeToUseCell<wbr>Data();
<br><br>It may be helpful to consult this example:
<br><a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx/Visualization/AssignColorsFromLUT" rel="nofollow" link="external" target="_blank">http://www.vtk.org/Wiki/VTK/Ex<wbr>amples/Cxx/Visualization/Assig<wbr>nColorsFromLUT</a><br><br>- Cory
<br><span><br>On Thu, Feb 16, 2017 at 9:40 AM, Tharun <<a href="http:///user/SendEmail.jtp?type=node&node=5742208&i=0" rel="nofollow" link="external" target="_blank">[hidden email]</a>> wrote:
</span><div class="m_3956561308723958975m_-8722409692825564639m_-8189810438078585567m_7528211085156079824shrinkable-quote"><span><div class="m_3956561308723958975m_-8722409692825564639m_-8189810438078585567shrinkable-quote"><br>> sorry for not being clear.
<br>>
<br>> The polydata consists of triangles. I mean those points are inside triangles
<br>> of mesh not the vertices of triangles.
<br>>
<br>> Hope I am clear.
<br>>
<br>> Regards,
<br>> P Tharun Kumar
<br>>
</div></span>> On Thu, Feb 16, 2017 at 11:04 PM, Cory Quammen-2 [via VTK] <[hidden email]>
<br><div><div class="m_3956561308723958975m_-8722409692825564639m_-8189810438078585567h5">> wrote:
<div class="m_3956561308723958975m_-8722409692825564639m_-8189810438078585567shrinkable-quote"><br>>>
<br>>> Okay, I'm curious. What is the difference between points on the mesh
<br>>> and vertices?
<br>>>
<br>>> On Wed, Feb 15, 2017 at 9:28 PM, Tharun <[hidden email]> wrote:
<br>>>
<br>>> > Thank you for the prompt reply.
<br>>> >
<br>>> > Unfortunately no. I have scalar values associated with points(not
<br>>> > vertices)
<br>>> > on the mesh. Where as in your example, color or scalar value is
<br>>> > associated
<br>>> > with vertices.
<br>>> >
<br>>> >
<br>>> >
<br>>> > --
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<br>Kitware, Inc.
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