cgal/Intersections_3/include/CGAL/Intersection_traits_3.h

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// Copyright (c) 2011 GeometryFactory (France). All rights reserved.
// All rights reserved.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with CGAL.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Philipp Möller
#ifndef CGAL_INTERSECTION_TRAITS_3_H
#define CGAL_INTERSECTION_TRAITS_3_H
#include <CGAL/Intersection_traits.h>
#include <CGAL/Bbox_3.h>
#if !(CGAL_INTERSECTION_VERSION < 2)
namespace CGAL {
CGAL_INTERSECTION_TRAITS_2(Line_3, Line_3, Point_3, Line_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Plane_3, Point_3, Line_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Line_3, Point_3, Line_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Ray_3, Point_3, Ray_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Line_3, Point_3, Ray_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Line_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Line_3, Triangle_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Triangle_3, Line_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Plane_3, Line_3, Plane_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Ray_3, Point_3, Ray_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Plane_3, Point_3, Ray_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Plane_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Plane_3, Sphere_3, Point_3, Circle_3)
CGAL_INTERSECTION_TRAITS_2(Sphere_3, Plane_3, Point_3, Circle_3)
CGAL_INTERSECTION_TRAITS_3(Plane_3, Triangle_3, Point_3, Segment_3, Triangle_3)
CGAL_INTERSECTION_TRAITS_3(Triangle_3, Plane_3, Point_3, Segment_3, Triangle_3)
CGAL_INTERSECTION_TRAITS_3(Ray_3, Ray_3, Point_3, Ray_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Ray_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Ray_3, Triangle_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Triangle_3, Ray_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Segment_3, Triangle_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Triangle_3, Segment_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_3(Sphere_3, Sphere_3, Point_3, Circle_3, Sphere_3)
template<typename K>
struct Intersection_traits<K, typename K::Triangle_3, typename K::Triangle_3> {
typedef typename
boost::variant< typename K::Point_3, typename K::Segment_3, typename K::Triangle_3,
typename std::vector< typename K::Point_3 > > variant_type;
typedef typename boost::optional< variant_type > result_type;
};
// !!! undocumented !!!
// Segment_3 Iso_cuboid_3
CGAL_INTERSECTION_TRAITS_2(Segment_3, Iso_cuboid_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Iso_cuboid_3, Segment_3, Point_3, Segment_3)
// Line_3 Iso_cuboid_3
CGAL_INTERSECTION_TRAITS_2(Line_3, Iso_cuboid_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Iso_cuboid_3, Line_3, Point_3, Segment_3)
// Ray_3 Iso_cuboid_3
CGAL_INTERSECTION_TRAITS_2(Ray_3, Iso_cuboid_3, Point_3, Segment_3)
CGAL_INTERSECTION_TRAITS_2(Iso_cuboid_3, Ray_3, Point_3, Segment_3)
// Iso_cuboid_3 Iso_cuboid_3, variant of one
template<typename K>
struct Intersection_traits<K, typename K::Iso_cuboid_3, typename K::Iso_cuboid_3> {
typedef typename
boost::variant< typename K::Iso_cuboid_3 > variant_type;
typedef typename boost::optional< variant_type > result_type;
};
// Intersections with BBox returns the same for Ray_3, Line_3 and Segment_3
// Bbox_3 Line_3
template<typename K>
struct Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {
typedef typename
boost::variant< typename K::Segment_3, typename K::Point_3 > variant_type;
typedef typename boost::optional< variant_type > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Line_3, CGAL::Bbox_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
// Bbox_3 Segment_3
template<typename K>
struct Intersection_traits<K, typename K::Segment_3, CGAL::Bbox_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
template<typename K>
struct Intersection_traits<K, CGAL::Bbox_3, typename K::Segment_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
// Bbox_3 Ray_3
template<typename K>
struct Intersection_traits<K, typename K::Ray_3, CGAL::Bbox_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
template<typename K>
struct Intersection_traits<K, CGAL::Bbox_3, typename K::Ray_3> :
public Intersection_traits<K, CGAL::Bbox_3, typename K::Line_3> {};
// Intersection_traits for the circular kernel
// Sphere_3 Line_3
template<typename K>
struct Intersection_traits<K, typename K::Sphere_3, typename K::Line_3> {
typedef boost::variant< std::pair< typename K::Circular_arc_point_3, unsigned int > > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Line_3, typename K::Sphere_3>
: public Intersection_traits<K, typename K::Sphere_3, typename K::Line_3> {};
// Circle_3 Plane_3
template<typename K>
struct Intersection_traits<K, typename K::Circle_3, typename K::Plane_3> {
typedef typename boost::variant< std::pair< typename K::Circular_arc_point_3,
unsigned int >,
typename K::Circle_3 > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Plane_3, typename K::Circle_3>
: public Intersection_traits<K, typename K::Circle_3, typename K::Plane_3> {};
// Circle_3 Sphere_3
template<typename K>
struct Intersection_traits<K, typename K::Circle_3, typename K::Sphere_3> {
typedef typename boost::variant< std::pair< typename K::Circular_arc_point_3,
unsigned int >,
typename K::Circle_3 > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Sphere_3, typename K::Circle_3>
: public Intersection_traits<K, typename K::Circle_3, typename K::Sphere_3> {};
// Circle_3 Circle_3
template<typename K>
struct Intersection_traits<K, typename K::Circle_3, typename K::Circle_3> {
typedef typename boost::variant< std::pair <typename K::Circular_arc_point_3, unsigned int >,
typename K::Circle_3 > result_type;
};
// Circle_3 Circle_3
template<typename K>
struct Intersection_traits<K, typename K::Circle_3, typename K::Line_3> {
typedef typename boost::variant<
std::pair <typename K::Circular_arc_point_3, unsigned int > > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Line_3, typename K::Circle_3>
: public Intersection_traits<K, typename K::Circle_3, typename K::Line_3> {};
// Circular_arc_3 Circular_arc_3
template<typename K>
struct Intersection_traits<K, typename K::Circular_arc_3, typename K::Circular_arc_3> {
typedef typename boost::variant<
typename K::Circle_3,
std::pair <typename K::Circular_arc_point_3, unsigned int >,
typename K::Circular_arc_3 > result_type;
};
// Circular_arc_3 Plane_3
template<typename K>
struct Intersection_traits<K, typename K::Circular_arc_3, typename K::Plane_3> {
typedef typename boost::variant<
std::pair <typename K::Circular_arc_point_3, unsigned int >,
typename K::Circular_arc_3 > result_type;
};
template<typename K>
struct Intersection_traits<K, typename K::Plane_3, typename K::Circular_arc_3>
: public Intersection_traits<K, typename K::Circular_arc_3, typename K::Plane_3> {};
template<typename K>
struct Intersection_traits<K, typename K::Line_arc_3, typename K::Line_arc_3> {
typedef typename boost::variant<
std::pair <typename K::Circular_arc_point_3, unsigned int >,
typename K::Line_arc_3 > result_type;
};
} // namespace
#endif // !(CGAL_INTERSECTION_VERSION < 2)
#endif /* CGAL_INTERSECTION_TRAITS_3_H */