\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - 3D Periodic Triangulations

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Periodic_3TriangulationDSVertexBase_3 Concept Reference
Concepts

## Definition

A refinement of the concept `TriangulationDSVertexBase_3` which adds an API for offset.

At the base level of 3D-triangulations (see Sections Software Design and Software Design), a vertex provides access to one of its incident cells through a handle.

Refines:
  `TriangulationDSVertexBase_3`

Has Models:
  CGAL::Periodic_3_triangulation_ds_vertex_base_3

See Also
  `TriangulationDataStructure_3`
  `TriangulationDSVertexBase_3`
  `Periodic_3TriangulationDSCellBase_3`

## Types
typedef unspecified_type | Periodic_3_offset_3
| A model of the concept `Periodic_3Offset_3`

## Access Functions
Periodic_3_offset_3 | 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_3_offset_3 o)
| Sets the offset and sets the offset flag to `true`.
void | clear_offset ()
| Sets the offset flag to `false` and clears the offset.