[vtkusers] Is there possible to use and manage many vtkLineWidgets in a scene?

[pnt1614]

Due to the lack of document, I did not know that vtk has a widget named
vtkPolyLineWidget. To solve this problem,  I use a list of clicked points to
make a vtkPolyLineRepresentation and then use this representation as an
input to a vtkPolyLineWidget.



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