/usr/include/SFCGAL/detail/triangulate/ConstraintDelaunayTriangulation.h is in libsfcgal-dev 1.2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 | /**
* SFCGAL
*
* Copyright (C) 2012-2013 Oslandia <infos@oslandia.com>
* Copyright (C) 2012-2013 IGN (http://www.ign.fr)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SFCGAL_TRIANGULATE_CONSTRAINTDELAUNAYTRIANGULATION_H_
#define _SFCGAL_TRIANGULATE_CONSTRAINTDELAUNAYTRIANGULATION_H_
#include <boost/optional.hpp>
#include <SFCGAL/config.h>
#include <SFCGAL/Coordinate.h>
#include <CGAL/Constrained_Delaunay_triangulation_2.h>
#include <CGAL/Triangulation_vertex_base_with_info_2.h>
#include <CGAL/Triangulation_face_base_with_info_2.h>
namespace SFCGAL {
class TriangulatedSurface ;
}
namespace SFCGAL {
namespace triangulate {
/**
* @brief 2DZ constraint Delaunay triangulation
*/
class SFCGAL_API ConstraintDelaunayTriangulation {
public:
/**
* @brief vertex info in triangulation
*/
struct VertexInfo {
VertexInfo() :
original() {
}
Coordinate original ;
};
/**
* face information (depth)
*/
struct FaceInfo {
FaceInfo():
nestingLevel( -1 ) {
}
int nestingLevel;
bool in_domain() {
return nestingLevel % 2 == 1;
}
};
typedef CGAL::Triangulation_vertex_base_with_info_2< VertexInfo, Kernel > Triangulation_vertex_base ;
typedef CGAL::Triangulation_face_base_with_info_2<FaceInfo, Kernel> Triangulation_face_base;
typedef CGAL::Constrained_triangulation_face_base_2<Kernel, Triangulation_face_base> Constrained_triangulation_face_base;
typedef CGAL::Triangulation_data_structure_2< Triangulation_vertex_base,
Constrained_triangulation_face_base > Triangulation_data_structure ;
typedef CGAL::Constrained_Delaunay_triangulation_2< Kernel, Triangulation_data_structure, CGAL::Exact_predicates_tag > CDT;
typedef CDT::Vertex_handle Vertex_handle ;
typedef CDT::Face_handle Face_handle ;
typedef CDT::All_faces_iterator All_faces_iterator ;
typedef CDT::Finite_faces_iterator Finite_faces_iterator ;
/**
* @brief default constructor
*/
ConstraintDelaunayTriangulation();
/**
* @brief add a vertex to the triangulation
*/
Vertex_handle addVertex( const Coordinate& position ) ;
/**
* @brief add a vertex to the triangulation
*/
void addConstraint( Vertex_handle source, Vertex_handle target ) ;
/**
* @brief clear the triangulation
*/
void clear() ;
/**
* @brief Returns the number of finite vertices.
*/
size_t numVertices() const ;
/**
* @brief Returns the number of finite faces.
*/
size_t numTriangles() const ;
/**
* @brief test if a projection plane is defined
*/
inline bool hasProjectionPlane() const {
return _projectionPlane.is_initialized() ;
}
/**
* @brief define projection plane
*/
void setProjectionPlane( const Kernel::Plane_3& projectionPlane ) ;
/**
* @brief get the projection plane (OXY if not defined)
*/
Kernel::Plane_3 projectionPlane() const ;
/**
* @brief test if the vertex is infinite
*/
inline bool isInfinite( Vertex_handle vertex ) const {
return _cdt.is_infinite( vertex ) ;
}
/**
* @brief test if the face has infinite vertex
*/
inline bool isInfinite( Face_handle face ) const {
return _cdt.is_infinite( face ) ;
}
/**
* @brief Append Triangles to a TriangulatedSurface
*/
void getTriangles( TriangulatedSurface& triangulatedSurface, bool filterExteriorParts = false ) const ;
/**
* get the resulting TriangulatedSurface
*/
std::auto_ptr< TriangulatedSurface > getTriangulatedSurface() const ;
/**
* @brief get finite face iterator
*/
inline Finite_faces_iterator finite_faces_begin() const {
return _cdt.finite_faces_begin() ;
}
/**
* @brief get finite face iterator
*/
inline Finite_faces_iterator finite_faces_end() const {
return _cdt.finite_faces_end() ;
}
/**
* @brief get all face iterator
*/
inline All_faces_iterator all_faces_begin() const {
return _cdt.all_faces_begin() ;
}
/**
* @brief get all face iterator
*/
inline All_faces_iterator all_faces_end() const {
return _cdt.all_faces_end() ;
}
/**
* @brief fill nesting_level info in face info
*/
void markDomains() ;
/**
* @brief [advanced]get the CGAL object
*/
inline CDT& cdt() {
return _cdt ;
}
/**
* @brief [advanced]get the CGAL object
*/
inline const CDT& cdt() const {
return _cdt ;
}
private:
/**
* @brief wrapped triangulation
*/
CDT _cdt ;
/**
* @brief plan in which the triangulation is done
*/
boost::optional< Kernel::Plane_3 > _projectionPlane ;
};
} // namespace triangulate
} // namespace SFCGAL
#endif
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