CGAL users discussion list

[MaelRL <>]

For the first question, you can find an example of use in test_circulator.cpp
:
https://github.com/CGAL/cgal/blob/master/BGL/test/BGL/test_circulator.cpp#L87

Below is the same file in a branch that is not integrated yet, where the use
of that function is more detailed:
https://github.com/CGAL/cgal-public-dev/blob/Motorcycle_graph-GF/BGL/test/BGL/test_circulator.cpp#L117

For the second question, you can use halfedge(v1, v2, graph), which returns
a pair of an halfedge_descriptor and boolean (to indicate whether the
halfedge exists or not). Once you have the halfedge, you can grab the faces
through, face(h, graph), and using opposite(h, graph).
See
https://doc.cgal.org/latest/BGL/classHalfedgeGraph.html#a965f1ed3f109080edd516222b273426c.



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