[vtkusers] about CellId

[tuo zhang]

Dear Vtk Users,

I got a polygon from vtkMarchingCubes on a series of
CT images. Now I want to get a picked CellId by
calling vtkCellPicker::GetCellId(), but the call
always return 1 no matter where is the picker.
Could anyone tell me why?

Thank you!


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