[vtkusers] How to use multiple vtkContourWidget on the same mesh?

[pnt1614]

I can use one vtkContourWidget to draw a contour on a model's surface by
clicking points. But I want to use multiple vtkContourWidgets to draw many
contours one by one. For example, if the current vtkContourWidget is
finished (closed) when the start point and the end point are the same, the
next clicked point starts a new vtkContourWidget.

Is there anyway to implement this idea?



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