[vtkusers] vtkCutter Inner/Outter Contours

[Nicolas Sarrasin]

Hi all,

I recently posted a message here : 
http://www.vtk.org/pipermail/vtkusers/2010-May/109274.html but didn't 
received any answers.
I guess I wasn't clear, here comes a simplification :

I use vtkCutter to get planar slices from a stl file. From the result ( 
vtkCutter->GetOutput() ) I get, I would like to know the orientation of 
the several contours I obtained (eg which are outter and which are inner).

As previously, as preview of my problem : 
http://img514.imageshack.us/img514/6747/orientationcontours.png

Thanks by advance for helping me.

Nicolas
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