CGAL 6.1 - 2D Apollonius Graphs (Delaunay Graphs of Disks)

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ApolloniusSite_2 Concept Reference
Reference Manual » Concepts

## Definition

The concept `ApolloniusSite_2` provides the requirements for an Apollonius site class.

See also
  `ApolloniusGraphTraits_2`
  `CGAL::Apollonius_site_2<K>`
  `CGAL::Apollonius_graph_traits_2<K,Method_tag>`
  `CGAL::Apollonius_graph_filtered_traits_2<CK,CM,EK,EM,FK,FM>`

## Types
typedef unspecified_type | Point_2
| The point type.
typedef unspecified_type | FT
| The field number type.
typedef unspecified_type | RT
| The ring number type.
typedef unspecified_type | Weight
| The weight type.

## Creation
| ApolloniusSite2 (Point_2 p=Point_2(), Weight w=Weight(0))
| ApolloniusSite_2 (ApolloniusSite_2 other)
| Copy constructor.

## Access Functions
Point_2 | point () const
| Returns the center of the Apollonius site.
Weight | weight () const
| Returns the weight of the Apollonius site.

## Member Typedef Documentation

## ◆ Weight

typedef unspecified_type ApolloniusSite_2::Weight

The weight type.

Precondition
  It must be the same as `FT`.