cgal/Cubical_gaussian_map_3/include/CGAL/Sphere_traits.h

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// Copyright (c) 2005 Tel-Aviv University (Israel).
// 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) : Kapelushnik Lior <liorkape@post.tau.ac.il>
/*! \file
* spherical arrangements of none intersecting arcs of great circles on a sphere
*/
#ifndef CGAL_SPHERE_TRAITS_H
#define CGAL_SPHERE_TRAITS_H
#include <CGAL/Sphere_arc.h>
#include <ostream>
CGAL_BEGIN_NAMESPACE
/*
traits class for a sphere,
holds curves that represents arcs of great circles on a sphere
Kernel_ - the kernel with number types for spherical arcs endpoints directions
*/
template <class Kernel_>
class Sphere_traits : public Kernel_ {
public:
// spherical traits types decleration
typedef Kernel_ Kernel;
typedef typename Kernel::Direction_3 Direction_3;
typedef typename Kernel::Vector_3 Vector_3;
typedef typename Kernel::Point_3 Point_3;
// the curve is a spherical arc on a great circle
typedef Sphere_arc<Kernel_> X_monotone_curve_2;
typedef X_monotone_curve_2 Curve_2;
private:
};
CGAL_END_NAMESPACE
#endif