CGAL 4.7 - 2D Triangulation: CGAL::Triangulation_hierarchy_vertex_base_2< Vb > Class Template Reference

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CGAL 4.7 - 2D Triangulation

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CGAL::Triangulation_hierarchy_vertex_base_2< Vb > Class Template Reference
Vertex and Face Classes

`#include <CGAL/Triangulation_hierarchy_2.h>`

## Inherits from

Vb.

## Definition

The class `Triangulation_hierarchy_vertex_base_2` is designed to be used as a vertex base class of a triangulation plugged into a `Triangulation_hierarchy_2<Tr>`.

It is a model of the concept `TriangulationHierarchyVertexBase_2` which refines the concept `TriangulationVertexBase_2`.

This class is templated by a parameter `Vb` which is to be instantiated by a model of the concept `TriangulationVertexBase_2`. The class `Triangulation_hierarchy_vertex_base_2<Vb>` inherits from the class `Vb`. This design allows to use either the default vertex base class or a user customized vertex base with additional functionalities.

Is Model Of:
  `TriangulationHierarchyVertexBase_2`

See Also
  `TriangulationVertexBase_2`
  `TriangulationHierarchyVertexBase_2`
  `CGAL::Triangulation_vertex_base_2<Traits>`

Examples:
  Triangulation_2/constrained_hierarchy_plus.cpp, and Triangulation_2/hierarchy.cpp.