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2D Planar Map Halfedge (Halfedge)
Definition
An object of the class
Halfedge is a directed edge in a planar
map, which represents a halfedge of the Dcel.
Operations
A halfedge of the planar map is a halfedge of a
Topological_map<Dcel>::Halfedge
with all its functionality and
an additional method curve() which returns the curve
associated with the halfedge.
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X_curve
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e.curve ()
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returns the curve
that e represents.
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The GALIA project. Jan 18, 2000.