Dave,<br><br>Here is the function I use to create a polydata circle.<br><br>void CircleInit( vtkPoints *points, int radius, int *center )<br>{<br> vtkRegularPolygonSource * poly = vtkRegularPolygonSource::New();<br> poly->GeneratePolygonOff();<br>
poly->SetNumberOfSides(50);<br> poly->SetRadius(radius); <br> poly->SetCenter(center[0],center[1],0);<br> poly->Update();<br> points->DeepCopy(poly->GetOutput()->GetPoints());<br> poly->Delete();<br>
}<br><br>Siqi<br><br><br><div class="gmail_quote">On Mon, Dec 28, 2009 at 10:50 AM, David Doria <span dir="ltr"><<a href="mailto:daviddoria%2Bvtk@gmail.com">daviddoria+vtk@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I noticed that there is not a "vtkCircleSource". What is the best way<br>
to create a circle in a polydata? I am trying to make varying size<br>
circles for the vtkVoxelContoursToSurfaceFilter example. Should I use<br>
vtkSphereSource and vtkCutter? Does it make sense to add a<br>
vtkCircleSource class?<br>
<br>
Thanks,<br>
<br>
David<br>
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