CGAL 5.6 - 2D Triangulations
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TriangulationHierarchyVertexBase_2 Concept Reference

Definition

The vertex of a triangulation included in a triangulation hierarchy has to provide some pointers to the corresponding vertices in the triangulations of the next and preceding levels. Therefore, the concept TriangulationHierarchyVertexBase_2 refines the concept TriangulationVertexBase_2, adding handles to the corresponding vertices in the next and previous level triangulations.

Refines
TriangulationVertexBase_2
Has Models:
CGAL::Triangulation_hierarchy_vertex_base_2<Vb>
See also
CGAL::Triangulation_hierarchy_2<Tr>

Operations

Vertex_handle up ()
 returns the corresponding vertex (if any) of the next level triangulation.
 
Vertex_handle down ()
 returns the corresponding vertex of the previous level triangulation.
 
void set_up (Vertex_handle u)
 sets the handle pointing to to the corresponding vertex of the next level triangulation.
 
void set_down (Vertex_handle d)
 sets the handle pointing to the corresponding vertex of the previous level triangulation.