[vtkusers] how to use line as implicit function

[Larry]

Hello, everyone,

In Vtk, we can use vtkCutter to cut a polydata with an implicit function. Currently, the vtkPlane is the subclass of the vtkImplicitFunction, but vtkLine is not.
If I want to use a line to cut a polydata(to get the intersection points with the polydata), what should I do?

Any idea is greatly appreciated!
Thanks!
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