[vtkusers] vtkImagePlaneWidget :Size of the Slice

[Mohamed Ben Reguiga]

hello!
I've asked these questions before and I still look for answers because these informations are very important for my project.
Is it possible to know the size of the Image displayied or the ratio used for ,in the vtkImagePlaneWidget (height and width).
Hhow can I release all the memory allocated by vtkStructuredPoints and vtkImagePlaneWidget?
thank you for your help!
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