## CGAL::Apollonius_graph_hierarchy_vertex_base_2<Agvb>

### Definition

The class Apollonius_graph_hierarchy_vertex_base_2<Agvb> provides a model for the ApolloniusGraphHierarchyVertexBase_2 concept, which is the vertex base required by the Apollonius_graph_hierarchy_2<Gt,Agds> class. The class Apollonius_graph_hierarchy_vertex_base_2<Agvb> is templated by a class Agvb which must be a model of the ApolloniusGraphVertexBase_2 concept.

#include <CGAL/Apollonius_graph_hierarchy_vertex_base_2.h>

### Inherits From

Agvb

### Is Model for the Concept

ApolloniusGraphHierarchyVertexBase_2

### Creation

Apollonius_graph_hierarchy_vertex_base_2<Agvb> hvb;
| Default constructor.
Apollonius_graph_hierarchy_vertex_base_2<Agvb> hvb ( Site_2 s);
| Constructs a vertex associated with the site s and embedded at the center of s.

Apollonius_graph_hierarchy_vertex_base_2<Agvb> hvb ( | Site_2 s, Face_handle f);

| Constructs a vertex associated with the site s, embedded at the center of s, and pointing to the face associated with the face handle f.

### See Also

ApolloniusGraphVertexBase_2
ApolloniusGraphHierarchyVertexBase_2
CGAL::Apollonius_graph_vertex_base_2<Gt,StoreHidden>