CGAL 5.6 - 2D Arrangements
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ArrangementBasicTopologyTraits Concept Reference

Definition

The concept ArrangementBasicTopologyTraits defines the minimal functionality needed for a model of a topology traits, which can substitutes the TopolTraits template parameters when the class template Arrangement_on_surface_2<GeomTraits, TopolTraits> is instantiated. In particular. a model of this concept holds the Dcel data structure used to represent the arrangement cells (i.e., vertices, edges, and facets) and the incident relations between them.

Has Models:
CGAL::Arr_spherical_topology_traits_2<GeometryTraits_2, Dcel>

Types

typedef unspecified_type Point_2
 models the concept ArrTraits::Point_2.
 
typedef unspecified_type X_monotone_curve_2
 models the concept ArrTraits::XMonotoneCurve_2.
 

Access Functions

const Dceldcel () const
 Obtain the DCEL (const version).
 
Dceldcel ()
 Obtain the DCEL (non-const version).