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CGAL 4.10.1 - 2D Periodic Triangulations
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#include <CGAL/Periodic_2_triangulation_hierarchy_vertex_base_2.h>
Vb.
The class Periodic_2_triangulation_hierarchy_vertex_base_2 is designed to be used as a vertex base class of a triangulation plugged into a Periodic_2_triangulation_hierarchy_2<Tr>.
It is a model of the concept TriangulationHierarchyVertexBase_2 which refines the concept TriangulationVertexBase_2 and of the concept Periodic_2_triangulation_vertex_base_2.
This class is templated by a parameter Vb which is to be instantiated by a model of the concept Periodic_2TriangulationVertexBase_2. The class Periodic_2_triangulation_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.