[vtkusers] Mouse getting points

[Mounir Dhibi]

dear all
 I use a set of 2D files which I read with vtkImageReader.
I want te get points after click with mouse in Image  to draw an ellipse in
each Image with the set of these points, any body have any idea?
thank you very much all Mounir
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          Dhibi Mounir
          Département ITI
          ENST Bretagne Bp 832
          Brest-Cedex 29285