[vtkusers] a question about void vtkPolyData::GetCellEdgeNeighbors

[Dajiang Zhu]

hi, I am a new to vtk. I have a PloyData(tri mesh) and when I use this
method how many neighbors(triangle) should I get? If the edge is the
boundary of the PloyData? I think it should be always 2 or 1? But the result
is not.
Anyone knows about the method? thanks
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