WarpVector will move polydata points along a vector. You can control the amount of displacement with a ScaleFactor.<div><br></div><div>Here is an example: <a href="http://vtk.org/Wiki/VTK/Examples/Cxx/PolyData/WarpVector">http://vtk.org/Wiki/VTK/Examples/Cxx/PolyData/WarpVector</a></div>
<div><br></div><div>Once you have the displaced points, you can use vtkProbeFilter to sample the volume.</div><div><br><br><div class="gmail_quote">On Tue, Sep 11, 2012 at 11:51 PM, Darshan Pai <span dir="ltr"><<a href="mailto:darshanpai@gmail.com" target="_blank">darshanpai@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I have a polyData . This polydata was generated by the vtkContourfilter operation on a volume. The polydata has a closed topology<br>
Now I want to texture the polydata. <br><br>What I need done is that for each point on the polydata I move the point a set distance along the normal in the opposite direction and then probe the value at that point location within the volume. Is there any way to get an updated list of points which are all added by the inverse normal ?<br>
<br>I hope I am clear<span class="HOEnZb"><font color="#888888"><br><br><br>Darshan<br>
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