[vtkusers] Question about vtkWorldPointPicker

[Green Hedgehog]

vtkWorldPointPicker can be used to get the position of a point on the surface
of a vtkPolyData with a mouse click. However, if there are two objects
behind the mouse click, and I want to get the point position on the latter
one which is blocked by the former one. How can I achieve it?

Thanks in advance.

Regards,
Yolanda
 



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