cgal/Packages/Box_intersection_d/include/CGAL/Box_intersection_d.h

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// Copyright (c) 2004 Max-Planck-Institute Saarbruecken (Germany).
// 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.
//
// $Source$
// $Revision$ $Date$
// $Name$
//
// Author(s) : Lutz Kettner <kettner@mpi-sb.mpg.de>
// Andreas Meyer <ameyer@mpi-sb.mpg.de>
#ifndef CGAL_BOX_INTERSECTION_D_H
#define CGAL_BOX_INTERSECTION_D_H
#include <CGAL/Box_intersection_d/segment_tree.h>
#include <CGAL/Box_intersection_d/box_traits.h>
#include <CGAL/Box_intersection_d/box_limits.h>
#include <vector>
#include <cassert>
CGAL_BEGIN_NAMESPACE
template< class RandomAccessIter, class Callback >
void box_intersection_d(RandomAccessIter p_begin, RandomAccessIter p_end,
Callback& callback,
unsigned int cutoff = 10,
Box_intersection_d::Topology
topology = Box_intersection_d::CLOSED)
{
typedef typename std::iterator_traits<RandomAccessIter>::value_type
Box_type;
typedef Box_intersection_d::Box_traits_d< Box_type >
Box_traits;
box_intersection_d_custom_traits(p_begin, p_end, callback,
Box_traits(), cutoff, topology );
}
template< class RandomAccessIter1, class RandomAccessIter2, class Callback >
void box_intersection_d(RandomAccessIter1 p_begin, RandomAccessIter1 p_end,
RandomAccessIter2 i_begin, RandomAccessIter2 i_end,
Callback& callback,
unsigned int cutoff = 10,
Box_intersection_d::Setting
setting = Box_intersection_d::BIPARTITE,
Box_intersection_d::Topology
topology = Box_intersection_d::CLOSED)
{
typedef typename std::iterator_traits<RandomAccessIter1>::value_type
Box_type;
typedef Box_intersection_d::Box_traits_d< Box_type >
Box_traits;
box_intersection_d_custom_traits(p_begin, p_end, i_begin, i_end,
callback, Box_traits(), cutoff, setting, topology);
}
template< class RandomAccessIter, class Callback, class BoxTraits >
void box_intersection_d_custom_traits(
RandomAccessIter p_begin, RandomAccessIter p_end,
Callback& callback,
BoxTraits box_traits,
unsigned int cutoff = 10,
Box_intersection_d::Topology topology = Box_intersection_d::CLOSED)
{
typedef typename std::iterator_traits<RandomAccessIter>::value_type
Box_type;
std::vector< Box_type > i;
i.reserve( std::distance( p_begin, p_end ) );
std::copy( p_begin, p_end, i.begin() );
box_intersection_d_custom_traits( p_begin, p_end, i.begin(), i.end(),
callback, box_traits, cutoff, Box_intersection_d::COMPLETE, topology );
}
template< class RandomAccessIter1, class RandomAccessIter2,
class Callback, class BoxTraits >
void box_intersection_d_custom_traits(
RandomAccessIter1 p_begin, RandomAccessIter1 p_end,
RandomAccessIter2 i_begin, RandomAccessIter2 i_end,
Callback& callback,
BoxTraits box_traits,
unsigned int cutoff = 10,
Box_intersection_d::Setting setting = Box_intersection_d::BIPARTITE,
Box_intersection_d::Topology topology = Box_intersection_d::CLOSED)
{
if (topology == Box_intersection_d::CLOSED) {
typedef Box_intersection_d::Box_predicate_traits_d< BoxTraits, true >
Traits;
box_intersection_d_custom_predicates(p_begin, p_end, i_begin, i_end,
callback, Traits(), cutoff, setting);
} else {
typedef Box_intersection_d::Box_predicate_traits_d< BoxTraits, false >
Traits;
box_intersection_d_custom_predicates(p_begin, p_end, i_begin, i_end,
callback, Traits(), cutoff, setting);
}
}
template< class RandomAccessIter1, class RandomAccessIter2,
class Callback, class BoxPredicateTraits >
void box_intersection_d_custom_predicates(
RandomAccessIter1 p_begin, RandomAccessIter1 p_end,
RandomAccessIter2 i_begin, RandomAccessIter2 i_end,
Callback& callback,
BoxPredicateTraits traits,
unsigned int cutoff = 10,
Box_intersection_d::Setting setting = Box_intersection_d::BIPARTITE)
{
typedef BoxPredicateTraits Traits;
typedef typename Traits::NT NT;
assert( Traits::get_dim() > 0 );
const unsigned int dim = Traits::get_dim() - 1;
const NT inf = Box_intersection_d::box_limits<NT>::inf();
const NT sup = Box_intersection_d::box_limits<NT>::sup();
Box_intersection_d::segment_tree(p_begin, p_end, i_begin, i_end,
inf, sup, callback, traits, cutoff, dim, true);
if(setting == Box_intersection_d::BIPARTITE)
Box_intersection_d::segment_tree(i_begin, i_end, p_begin, p_end,
inf, sup, callback, traits, cutoff, dim, false);
}
CGAL_END_NAMESPACE
#endif