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## CGAL::Apollonius_site_2<K>

### Definition

The class Apollonius_site_2<K> is a model for the concept ApolloniusSite_2. It is parametrized by a template parameter K which must be a model of the Kernel concept.

#include <CGAL/Apollonius_site_2.h>

### Is Model for the Concept

ApolloniusSite_2

### Types

The class Apollonius_site_2<K> does not introduce any types in addition to the concept ApolloniusSite_2.

### Creation

Apollonius_site_2<K> s ( Point_2 p=Point_2(), Weight w= Weight(0));

Apollonius_site_2<K> s ( other);
| Copy constructor.

### I/O

The I/O operators are defined for iostream.

std::ostream& | std::ostream& os << s
|  | Inserts the Apollonius site s into the stream os. Precondition: The insert operator must be defined for Point_2 and Weight.
std::istream& | std::istream& is >> s
|  | Reads an Apollonius site from the stream is and assigns it to s. Precondition: The extract operator must be defined for Point_2 and Weight.

The information output in the iostream is: the point of the Apollonius site and its weight.

#include <CGAL/IO/Qt_widget_Apollonius_site_2.h>

Qt_widget& | Qt_widget& w << s | Inserts the Apollonius site s into the Qt_widget stream w. Precondition: The insert operator must be defined for K::Circle_2.

### See Also

Kernel
ApolloniusSite_2
CGAL::Qt_widget
CGAL::Apollonius_graph_traits_2<K,Method_tag>
CGAL::Apollonius_graph_filtered_traits_2<CK,CM,EK,EM,FK,FM>

Next: ApolloniusGraphDataStructure_2

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The CGAL Project . Tue, December 21, 2004 .