[vtkusers] Get the mouse coordinates in a Volume

[Urvoas, Paul]

Hi,
I would like to know if there is a function to get the mouse coordinates by clicking in a volume (like on the picture enclosed).
If there is nothing to do that, could I use a function to get the coordinates of the vector+point which correspond on the mouse click.
I saw the class vtkRenderWindowInteractor, but the function getEvent seems to be for 2 dimensions image.

Regards,
Paul U

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