112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
// Copyright (c) 2005 Rijksuniversiteit Groningen (Netherlands)
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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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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Skin_surface_3/include/CGAL/Union_of_balls_3.h $
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// $Id: Union_of_balls_3.h 254d60f 2019-10-19T15:23:19+02:00 Sébastien Loriot
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Nico Kruithof <Nico@cs.rug.nl>
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#ifndef CGAL_UNION_OF_BALLS_3_H
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#define CGAL_UNION_OF_BALLS_3_H
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#include <CGAL/license/Skin_surface_3.h>
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#include <CGAL/Skin_surface_base_3.h>
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#include <CGAL/triangulate_power_diagram_3.h>
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namespace CGAL {
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template <class MixedComplexTraits_3>
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class Union_of_balls_3
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: public Skin_surface_base_3<MixedComplexTraits_3>
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{
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typedef MixedComplexTraits_3 Gt;
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typedef Union_of_balls_3<Gt> Self;
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typedef Skin_surface_base_3<Gt> Base;
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public:
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typedef MixedComplexTraits_3 Geometric_traits;
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typedef typename Base::FT FT;
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typedef typename Base::Bare_point Bare_point;
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typedef typename Base::Weighted_point Weighted_point;
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typedef typename Base::Vector Vector;
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typedef typename Base::Regular Regular;
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typedef typename Base::Vertex_handle Vertex_handle;
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typedef typename Base::Edge Edge;
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typedef typename Base::Facet Facet;
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typedef typename Base::Facet_circulator Facet_circulator;
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typedef typename Base::Cell_handle Cell_handle;
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typedef typename Base::Simplex Simplex;
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// pair of a del- and vor-simplex
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typedef typename Base::Anchor_point Anchor_point;
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typedef typename Base::Quadratic_surface Quadratic_surface;
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typedef typename Base::Vertex_info Vertex_info;
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typedef typename Base::Cell_info Cell_info;
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typedef typename Base::TMC TMC;
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private:
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typedef typename Base::TMC_Vertex_iterator TMC_Vertex_iterator;
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typedef typename Base::TMC_Cell_iterator TMC_Cell_iterator;
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typedef typename Base::TMC_Vertex_handle TMC_Vertex_handle;
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typedef typename Base::TMC_Cell_handle TMC_Cell_handle;
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typedef typename Base::TMC_Point TMC_Point;
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using Base::shrink_factor;
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using Base::geometric_traits;
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using Base::regular;
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using Base::triangulated_mixed_complex;
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public:
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template < class WP_iterator >
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Union_of_balls_3(WP_iterator begin, WP_iterator end,
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Gt gt_ = Gt(),
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bool _verbose = false);
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template <class Polyhedron_3>
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void mesh_skin_surface_3(Polyhedron_3 &p) const {
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Base::mesh_surface_3(p);
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}
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template <class Polyhedron_3>
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void subdivide_skin_surface_mesh_3(Polyhedron_3 &p) const {
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Base::subdivide_mesh_3(p);
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}
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};
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template <class MixedComplexTraits_3>
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template < class WP_iterator >
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Union_of_balls_3<MixedComplexTraits_3>::
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Union_of_balls_3(WP_iterator begin, WP_iterator end,
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Gt gt_,
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bool _verbose)
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: Base(begin, end, 1, false, gt_, _verbose)
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{
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// Construct the Triangulated_mixed_complex:
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Triangulated_mixed_complex_observer_3<TMC, Self> observer(shrink_factor());
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triangulate_power_diagram_3(regular(), triangulated_mixed_complex(), observer, _verbose);
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CGAL_assertion(triangulated_mixed_complex().dimension() == 3);
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// { // NGHK: debug code:
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// CGAL_assertion(triangulated_mixed_complex().is_valid());
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// std::vector<TMC_Vertex_handle> ch_vertices;
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// triangulated_mixed_complex().incident_vertices(triangulated_mixed_complex().infinite_vertex(),
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// std::back_inserter(ch_vertices));
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// for (typename std::vector<TMC_Vertex_handle>::iterator
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// vit = ch_vertices.begin(); vit != ch_vertices.end(); vit++) {
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// CGAL_assertion(sign(*vit) == POSITIVE);
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// }
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// }
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}
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} //namespace CGAL
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#endif // CGAL_UNION_OF_BALLS_3_H
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