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bool
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v.is_incident_edge ( Halfedge_const_handle e)
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returns true if e is incident to v
(i.e., if v is the source or the target of e) .
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bool
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v.is_incident_face ( Face_const_handle f)
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returns true if f is incident to v.
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unsigned int
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v.degree ()
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returns the degree of v
i.e., the number of outgoing halfedges.
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Halfedge_around_vertex_circulator
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v.incident_halfedges ()
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returns a
circulator that allows to traverse the halfedges that have v
as their target. The edges are traversed around v in an
order opposite that of the Ccb_halfedge_circulator.
This circulator can also be used to access
incident faces and vertices.
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