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

CGAL 4.8 - 2D Arrangements

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CGAL::Arr_dcel_base< V, H, F > Class Template Reference
DCEL

`#include <CGAL/Arr_dcel_base.h>`

## Definition

The `Arr_dcel_base` class is an important ingredient in the definition of Dcel data structures. It serves as a basis class for any instance of the `Dcel` template parameter of the `Arrangement_2` template. In particular it is the basis class of the default `Dcel` template parameter, and the basis class of any extended Dcel. The template parameters `V`, `H`, and `F` must be instantiated with models of the concepts `ArrangementDcelVertex`, `ArrangementDcelHalfedge`, and `ArrangementDcelFace` respectively.

Is Model Of:
  `ArrangementDcel`

## Classes
class | Arr_face_base
| The basic Dcel face type. More...
class | Arr_halfedge_base
| The basic Dcel halfedge type. More...
class | Arr_vertex_base
| The basic Dcel vertex type. More...