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

CGAL 4.8 - 2D Arrangements

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CGAL::Arr_extended_face< FaceBase, FData > Class Template Reference
DCEL

`#include <CGAL/Arr_extended_dcel.h>`

## Inherits from

FaceBase.

## Definition

The `Arr_extended_face` class-template extends the face topological-features of the Dcel.

It is parameterized by a face base-type `FaceBase` and a data type `FData` used to extend the face base-type.

Is Model Of:
  `ArrangementDcelFace`

See Also
  `Arr_dcel_base<V,H,F>`

## Creation
void | assign (const Self &other)
| assigns `f` with the contents of the `other` vertex.

## Access Functions
const FData & | data () const
| obtains the auxiliary data (a non-const version, returning a reference to a mutable data object is also available).

## Modifiers
void | set_data (const FData &data)
| sets the auxiliary data.