[vtkusers] Getting contour of a polydata

[Nithiananthan, Sajendra]

Is vtkCutter perhaps what you are interested in?
http://www.vtk.org/doc/nightly/html/classvtkCutter.html
<http://www.vtk.org/doc/nightly/html/classvtkCutter.html> 
 
 

-----Original Message-----
From: vtkusers-bounces+sajendra.nithiananthan=rmp.uhn.on.ca at vtk.org
[mailto:vtkusers-bounces+sajendra.nithiananthan=rmp.uhn.on.ca at vtk.org]On
Behalf Of Meisam Aliroteh
Sent: Tuesday, June 26, 2007 12:21 PM
To: vtkusers at vtk.org
Subject: [vtkusers] Getting contour of a polydata


Hi,
 
I have a 3D model (a sphere located at (0,0,0) with radius of 50 pixels)
stored in a vtkPolyData and a plane (located at (0,0,0) with normal along
the z axis). Is there a class in vtk that can give me back the contour (
i.e. circle) that is resulted by cutting the model using the plane ?
 
I've tried vtkClipPolyData to clip the model using the plane but it does not
generate a contour, it just cuts the sphere and returns the remaining piece
!!!
There are a number of contouring classes in vtk and I am confused as to
which one I should be using !!!


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