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

CGAL 4.8 - 2D Triangulation

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CGAL::Triangulation_face_base_with_info_2< Info, Traits, Fb > Class Template Reference
Vertex and Face Classes

`#include <CGAL/Triangulation_face_base_with_info_2.h>`

## Inherits from

Fb.

## Definition

The class `Triangulation_face_base_with_info_2` is a model of the concept `TriangulationFaceBase_2` to be plugged into the triangulation data structure of a triangulation class.

It provides an easy way to add some user defined information in the faces of a triangulation.

Template Parameters

  Info | is the information the user would like to add to a face. It has to be `DefaultConstructible` and `Assignable`.
  Traits | is a geometric traits class and is actually not used in `Triangulation_face_base_with_info_2` .
  Fb | is a face base class from which `Triangulation_face_base_with_info_2` derives.

Is Model Of:
  Because `Triangulation_face_base_with_info_2` derives from the class instantiating its third parameter, it will be a model of the same face base concept as its parameter: `TriangulationFaceBase_2`, `ConstrainedTriangulationFaceBase_2`, or `RegularTriangulationFaceBase_2`

See Also
  `CGAL::Triangulation_face_base_2<Traits,Fb>`
  `CGAL::Constrained_triangulation_face_base_2<Traits,Fb>`
  `CGAL::Regular_triangulation_face_base_2<Traits,Fb>`

Examples:
  Triangulation_2/colored_face.cpp, and Triangulation_2/polygon_triangulation.cpp.

## Types
typedef Info | Info

## Access Functions
const Info & | info () const
| Returns a const reference to the object of type `Info` stored in the face.
Info & | info ()
| Returns a reference to the object of type `Info` stored in the face.