mirror of https://github.com/CGAL/cgal
137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
// Copyright (c) 1997 INRIA Sophia-Antipolis (France).
|
|
// All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org); you may redistribute it under
|
|
// the terms of the Q Public License version 1.0.
|
|
// See the file LICENSE.QPL distributed with CGAL.
|
|
//
|
|
// Licensees holding a valid commercial license may use this file in
|
|
// accordance with the commercial license agreement provided with the software.
|
|
//
|
|
// 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) : Mariette Yvinec
|
|
|
|
|
|
#ifndef CGAL_TRIANGULATION_EUCLIDEAN_TRAITS_XZ_3_H
|
|
#define CGAL_TRIANGULATION_EUCLIDEAN_TRAITS_XZ_3_H
|
|
|
|
#include <CGAL/Triangulation_short_names_2.h>
|
|
#include <CGAL/triangulation_assertions.h>
|
|
|
|
#include <CGAL/Point_3.h>
|
|
#include <CGAL/Segment_3.h>
|
|
#include <CGAL/Triangle_3.h>
|
|
#include <CGAL/predicates/kernel_ftC2.h>
|
|
|
|
CGAL_BEGIN_NAMESPACE
|
|
|
|
template <class R>
|
|
class Orientation_xz_3
|
|
{
|
|
public:
|
|
typedef typename R::Point_3 Point;
|
|
typename R::FT x(const Point &p) const { return p.x(); }
|
|
typename R::FT y(const Point &p) const { return p.z(); }
|
|
|
|
CGAL::Orientation operator()(const Point& p,
|
|
const Point& q,
|
|
const Point& r)
|
|
{
|
|
return orientationC2(x(p), y(p), x(q), y(q), x(r), y(r));
|
|
}
|
|
};
|
|
|
|
template <class R>
|
|
class Side_of_oriented_circle_xz_3
|
|
{
|
|
public:
|
|
typedef typename R::Point_3 Point;
|
|
typename R::FT x(const Point &p) const { return p.x(); }
|
|
typename R::FT y(const Point &p) const { return p.z(); }
|
|
|
|
CGAL::Oriented_side operator() (const Point &p,
|
|
const Point &q,
|
|
const Point &r,
|
|
const Point &s)
|
|
{
|
|
return side_of_oriented_circleC2(x(p), y(p),
|
|
x(q), y(q),
|
|
x(r), y(r),
|
|
x(s), y(s));
|
|
}
|
|
};
|
|
|
|
template < class R >
|
|
class Triangulation_euclidean_traits_xz_3 {
|
|
public:
|
|
typedef Triangulation_euclidean_traits_xz_3<R> Traits;
|
|
typedef R Rp;
|
|
typedef typename Rp::Point_3 Point_2;
|
|
typedef typename Rp::Segment_3 Segment_2;
|
|
typedef typename Rp::Triangle_3 Triangle_2;
|
|
|
|
typedef typename Rp::Less_x_3 Less_x_2;
|
|
typedef typename Rp::Less_z_3 Less_y_2;
|
|
typedef typename Rp::Compare_x_3 Compare_x_2;
|
|
typedef typename Rp::Compare_z_3 Compare_y_2;
|
|
typedef Orientation_xz_3<Rp> Orientation_2;
|
|
typedef Side_of_oriented_circle_xz_3<Rp> Side_of_oriented_circle_2;
|
|
typedef typename Rp::Construct_segment_3 Construct_segment_2;
|
|
typedef typename Rp::Construct_triangle_3 Construct_triangle_2;
|
|
|
|
// for compatibility with previous versions
|
|
typedef Point_2 Point;
|
|
typedef Segment_2 Segment;
|
|
typedef Triangle_2 Triangle;
|
|
|
|
Triangulation_euclidean_traits_xz_3(){}
|
|
Triangulation_euclidean_traits_xz_3(
|
|
const Triangulation_euclidean_traits_xz_3& ){}
|
|
Triangulation_euclidean_traits_xz_3 &operator=(
|
|
const Triangulation_euclidean_traits_xz_3& ){return *this;}
|
|
|
|
typename Rp::FT x(const Point_2 &p) const { return p.x(); }
|
|
typename Rp::FT y(const Point_2 &p) const { return p.z(); }
|
|
|
|
Less_x_2
|
|
less_x_2_object() const
|
|
{ return Less_x_2();}
|
|
|
|
Less_y_2
|
|
less_y_2_object() const
|
|
{ return Less_y_2();}
|
|
|
|
Compare_x_2
|
|
compare_x_2_object() const
|
|
{ return Compare_x_2();}
|
|
|
|
Compare_y_2
|
|
compare_y_2_object() const
|
|
{ return Compare_y_2();}
|
|
|
|
Orientation_2
|
|
orientation_2_object() const
|
|
{ return Orientation_2();}
|
|
|
|
Side_of_oriented_circle_2
|
|
side_of_oriented_circle_2_object() const
|
|
{return Side_of_oriented_circle_2();}
|
|
|
|
Construct_segment_2 construct_segment_2_object() const
|
|
{return Construct_segment_2();}
|
|
|
|
Construct_triangle_2 construct_triangle_2_object() const
|
|
{return Construct_triangle_2();}
|
|
};
|
|
|
|
CGAL_END_NAMESPACE
|
|
|
|
|
|
#endif // CGAL_TRIANGULATION_EUCLIDEAN_TRAITS_XZ_3_H
|