\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)
CGAL 4.9 - 2D Periodic Triangulations
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Periodic_2TriangulationVertexBase_2 Concept Reference
Concepts

Definition

A refinement of the concept TriangulationVertexBase_2 which adds an API for offset.

At the base level of 2D-triangulations (see Section Software Design), a vertex provides access to one of its incident faces through a handle.

The storage of the offset is only needed when a triangulation is copied.

Refines:
TriangulationVertexBase_2
Has Models:
CGAL::Periodic_2_triangulation_vertex_base_2
See Also
TriangulationDataStructure_2
TriangulationVertexBase_2
Periodic_2TriangulationFaceBase_2

Types

typedef unspecified_type Periodic_2_offset_2
 A model of the concept Periodic_2Offset_2
 

Access Functions

Periodic_2_offset_2 offset () const
 Returns the offset stored in the vertex.
 
bool get_offset_flag () const
 Returns true if the offset has been set, false otherwise.
 
void set_offset (Periodic_2_offset_2 o)
 Sets the offset and sets the offset flag to true.
 
void clear_offset ()
 Sets the offset flag to false and clears the offset.