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## CGAL::Triangulation_data_structure_3<TriangulationDSVertexBase_3,TriangulationDSCellBase_3>

### Definition

The class Triangulation_data_structure_3 stores a 3D-triangulation data structure and provides the optional geometric functionalities to be used as a parameter for a 3D-geometric triangulation (see Chapter ).

#include <CGAL/Triangulation_data_structure_3.h>

### Parameters

It is parameterized by base classes for vertices and cells which have to match the requirements for the concepts TriangulationDSCellBase_3 and TriangulationDSVertexBase_3 respectively .

They have the default values Triangulation_ds_vertex_base_3<> and Triangulation_ds_cell_base_3<> respectively.

### Is Model for the Concept

TriangulationDataStructure_3

### Inherits From

CGAL::Triangulation_utils_3

The class Triangulation_utils_3 defines basic computations on indices of vertices and neighbors of cells.

### See Also

CGAL::Triangulation_ds_vertex_base_3
CGAL::Triangulation_ds_cell_base_3
CGAL::Triangulation_vertex_base_with_info_3
CGAL::Triangulation_cell_base_with_info_3

Next: Triangulation_ds_cell_base_3<>

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The CGAL Project . Tue, December 21, 2004 .