Fw: [Insight-users] Get the image coordinate position

[yasser salman]

Hi all,

 I'm using a vtkimageplaneWidget to display 2D images and use itk-connected threshold filter to segment the regions in the images , so i set the seed manually , i need to do it by using 
vtkImagePlaneWidget::GetCursorData  (  double  xyzv[4]   )   To    Get the image coordinate position and voxel value. and then put it in the ITK filters.

i don't know how can i use it?

i don't know how can i Let the vtkImagePlaneWidget *observe* that i press LButtonMouse inside the region to start get the data ?
i tried AddObserver(OnLButtonMouse) but it didn't work?
can any body give me the example?
regards
yasser



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