/usr/include/SFCGAL/Triangle.h is in libsfcgal-dev 1.3.0-4+b2.
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 | /**
* 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_TRIANGLE_H_
#define _SFCGAL_TRIANGLE_H_
#include <boost/shared_ptr.hpp>
#include <boost/serialization/base_object.hpp>
#include <SFCGAL/Point.h>
#include <SFCGAL/Surface.h>
#include <SFCGAL/detail/TypeForDimension.h>
#include <CGAL/Triangle_2.h>
#include <CGAL/Triangle_3.h>
namespace SFCGAL {
/**
* [OGC/SFA]Triangle
* @ingroup public_api
*
* @warning According to SFA, a Triangle should be inherited from a Polygon. That means
* that a triangle "is a" Polygon with hole. This inheritance is removed in order to
* keep CGAL modeling.
*
* @warning An empty triangle has empty points
*/
class SFCGAL_API Triangle : public Surface {
public:
/**
* empty Triangle constructor
*/
Triangle();
/**
* Constructor with a CGAL triangle
*/
Triangle( const Kernel::Triangle_2& triangle ) ;
/**
* Constructor with a CGAL triangle
*/
Triangle( const Kernel::Triangle_3& triangle ) ;
/**
* constructor with 3 points
*/
Triangle( const Point& p, const Point& q, const Point& r );
/**
* copy constructor
*/
Triangle( const Triangle& other );
/**
* assign operator
*/
Triangle& operator = ( const Triangle& other );
/**
* destructor
*/
~Triangle();
//-- SFCGAL::Geometry
virtual Triangle* clone() const ;
//-- SFCGAL::Geometry
virtual std::string geometryType() const ;
//-- SFCGAL::Geometry
virtual GeometryType geometryTypeId() const ;
//-- SFCGAL::Geometry
virtual int coordinateDimension() const ;
//-- SFCGAL::Geometry
virtual bool isEmpty() const ;
//-- SFCGAL::Geometry
virtual bool is3D() const ;
//-- SFCGAL::Geometry
virtual bool isMeasured() const ;
/**
* reverse Triangle orientation
*/
void reverse() ;
/**
* convert a triangle to a polygon
*/
Polygon toPolygon() const ;
/**
* returns the i-th vertex
*/
inline const Point& vertex( const int& i ) const {
return _vertices[ i % 3 ];
}
/**
* returns the i-th vertex
*/
inline Point& vertex( const int& i ) {
return _vertices[ i % 3 ];
}
/**
* Convert to CGAL::Triangle_2
*/
inline Kernel::Triangle_2 toTriangle_2() const {
return Kernel::Triangle_2( vertex( 0 ).toPoint_2(), vertex( 1 ).toPoint_2(), vertex( 2 ).toPoint_2() );
}
/**
* Convert to CGAL::Triangle_3
*/
inline Kernel::Triangle_3 toTriangle_3() const {
return Kernel::Triangle_3( vertex( 0 ).toPoint_3(), vertex( 1 ).toPoint_3(), vertex( 2 ).toPoint_3() );
}
/**
* Convert to CGAL::Triangle_2 or CGAL::Triangle_2
*/
template < int D >
inline typename detail::TypeForDimension<D>::Triangle toTriangle_d() const {
return typename detail::TypeForDimension<D>::Triangle( vertex( 0 ).toPoint_d<D>(), vertex( 1 ).toPoint_d<D>(), vertex( 2 ).toPoint_d<D>() );
}
//-- visitors
//-- SFCGAL::Geometry
virtual void accept( GeometryVisitor& visitor ) ;
//-- SFCGAL::Geometry
virtual void accept( ConstGeometryVisitor& visitor ) const ;
/**
* Serializer
*/
template <class Archive>
void serialize( Archive& ar, const unsigned int /*version*/ ) {
ar& boost::serialization::base_object<Geometry>( *this );
ar& _vertices[0] & _vertices[1] & _vertices[2];
}
private:
/**
* point forming the triangle
*/
Point _vertices[3];
};
}
#endif
|