## ApolloniusSite_2

### Definition

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

### Types

ApolloniusSite_2::Point_2
| The point type.
ApolloniusSite_2::FT
| The field number type.
ApolloniusSite_2::RT
| The ring number type.
ApolloniusSite_2::Weight
| The weight type. Precondition: It must be the same as FT.

### Creation

ApolloniusSite_2 s ( Point_2 p=Point_2(), Weight w= Weight(0));

ApolloniusSite_2 s ( other);
| Copy constructor.

### Access Functions

Point_2 | s.point () | Returns the center of the Apollonius site.
Weight | s.weight () | Returns the weight of the Apollonius site.

### 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>