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A vertex is a point in the 3-dimensional space. Its incidence structure can be accessed creating a sphere map of the vertex. This is done by the member function get_sphere_map of the class Nef_polyhedron_3.
#include <CGAL/Nef_polyhedron_3.h>
The following types are the same as in Nef_polyhedron_3<Traits>.
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type of mark.
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point type stored in Vertex.
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There is no need for a user to create a Vertex explicitly. The class Nef_polyhedron_3<Traits> manages the needed vertices internally.
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| the mark of v . |
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| the point of v . |
CGAL::Nef_polyhedron_3<Traits>
CGAL::Nef_polyhedron_S2<Traits>