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<DIV>Hello everyone,<BR></DIV>
<DIV>I started to work with VTK 3 weeks ago and i have a problem with vtkExtractGeometry.</DIV>
<DIV>I'll be very thankful if somebody could advise me how to extract a sub surface of vtkPolyData.</DIV>
<DIV> </DIV>
<DIV>I try to extract the inner surface of contour made on the surface obtained by import a OBJ file with vtkOBJReader. </DIV>
<DIV>I use vtkOBJReader to import OBJ files. I understand that the created object is type of vtkPolyData. After that, I pick some points (and/or cells) on the surface of the object by picking (and use of ray casting of the vtkPointPicker). I store the points in a vtkPoints. These points form a closed contour on the surface of the object.</DIV>
<DIV> </DIV>
<DIV>I would remove from the surface the cells (and the associated points) that are inner the picked contour.</DIV>
<DIV> </DIV>
<DIV>May i create a spline from the picked points ?</DIV>
<DIV>May i use vtkExtractPolyDataGeometry to extract the inner surface ?</DIV>
<DIV> </DIV>
<DIV>It will be very nice if somebody could help me!<BR>Thank you very much!<BR></DIV>
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<DIV><A href="mailto:amarchadier@yahoo.fr">amarchadier@yahoo.fr</A></DIV>
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