mirror of https://github.com/CGAL/cgal
118 lines
4.0 KiB
C++
118 lines
4.0 KiB
C++
// Copyright (c) 2004 INRIA Sophia-Antipolis (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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// Author(s) : Christophe Delage <christophe.delage@sophia.inria.fr>
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// cell of a triangulation of any dimension <=3
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// with hidden points (for the regular triangulation)
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#ifndef CGAL_REGULAR_TRIANGULATION_CELL_BASE_3_H
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#define CGAL_REGULAR_TRIANGULATION_CELL_BASE_3_H
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#include <CGAL/license/Triangulation_3.h>
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#include <list>
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#include <CGAL/Triangulation_cell_base_3.h>
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namespace CGAL {
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template < typename GT,
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typename Cb = Triangulation_cell_base_3<GT >,
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typename C = std::list<typename GT::Weighted_point_3> >
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class Regular_triangulation_cell_base_3
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: public Cb
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{
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public:
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static const bool DO_HIDE_POINT = true;
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typedef typename Cb::Vertex_handle Vertex_handle;
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typedef typename Cb::Cell_handle Cell_handle;
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typedef GT Geom_traits;
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typedef typename Geom_traits::Point_3 Bare_point;
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typedef typename Geom_traits::Weighted_point_3 Weighted_point;
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typedef C Point_container;
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typedef typename Point_container::iterator Point_iterator;
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typedef typename Point_container::const_iterator Point_const_iterator;
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template < typename TDS2 >
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struct Rebind_TDS {
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typedef typename Cb::template Rebind_TDS<TDS2>::Other Cb2;
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typedef Regular_triangulation_cell_base_3<GT, Cb2, C> Other;
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};
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Regular_triangulation_cell_base_3()
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: Cb() {}
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Regular_triangulation_cell_base_3(Vertex_handle v0,
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Vertex_handle v1,
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Vertex_handle v2,
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Vertex_handle v3)
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: Cb(v0, v1, v2, v3) {}
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Regular_triangulation_cell_base_3(Vertex_handle v0,
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Vertex_handle v1,
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Vertex_handle v2,
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Vertex_handle v3,
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Cell_handle n0,
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Cell_handle n1,
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Cell_handle n2,
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Cell_handle n3)
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: Cb(v0, v1, v2, v3, n0, n1, n2, n3) {}
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Point_iterator hidden_points_begin() { return _hidden.begin(); }
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Point_iterator hidden_points_end() { return _hidden.end(); }
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Point_const_iterator hidden_points_begin() const { return _hidden.begin(); }
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Point_const_iterator hidden_points_end() const { return _hidden.end(); }
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void hide_point (const Weighted_point &p) { _hidden.push_back(p); }
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// void unhide_point (Point_iterator i) { _hidden.delete(i); }
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//note this function is not requested by the RegularTriangulationCellBase_3
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//it should be replaced everywhere by weighted_circumcenter()
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// but remains here for backward compatibility
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Bare_point
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circumcenter(const Geom_traits& gt = Geom_traits()) const
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{
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return gt.construct_weighted_circumcenter_3_object()
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(this->vertex(0)->point(),
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this->vertex(1)->point(),
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this->vertex(2)->point(),
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this->vertex(3)->point());
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}
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Bare_point
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weighted_circumcenter(const Geom_traits& gt = Geom_traits()) const
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{
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return gt.construct_weighted_circumcenter_3_object()
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(this->vertex(0)->point(),
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this->vertex(1)->point(),
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this->vertex(2)->point(),
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this->vertex(3)->point());
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}
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private:
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Point_container _hidden;
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};
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} //namespace CGAL
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#endif // CGAL_REGULAR_TRIANGULATION_CELL_BASE_3_H
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