[vtkusers] clipping triangle with triangle in 2D

[sebastien MARAUX]

Is it possible to clip a triangle cell with another in VTK, and 
is it possible to do it quickly ? (ie not using vtkClipPolyData 
+ 3 planes). I manage 2D data.

I just need a way of clipping a triangle with another.
If someone know some good algorithm to do this, it would 
be great.

Thanks

Seb
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