Revision b4875fc99a21f0a00d278390ac1200736e7060db authored by Laurent Rineau on 25 June 2015, 12:58:30 UTC, committed by Laurent Rineau on 25 June 2015, 12:58:30 UTC
1 parent 71ab8ea
hilbert_sort.cpp
// Copyright (c) 2005-2009 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// 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; either version 3 of the License,
// or (at your option) any later version.
//
// 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) : Sebastien Loriot, Sylvain Pion
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/hilbert_sort.h>
#include <CGAL/CGAL_Ipelet_base.h>
// --------------------------------------------------------------------
namespace CGAL_hilbert_sort{
typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
const std::string sublabel[] ={
"Hilbert sorting curve", "Help"
};
const std::string helpmsg[] = {
"Sort the points along a Hilbert curve"
};
struct hilbertsortIpelet
: CGAL::Ipelet_base<Kernel,2>
{
hilbertsortIpelet()
: CGAL::Ipelet_base<Kernel,2>("Hilbert sort",sublabel, helpmsg) {}
void protected_run(int);
};
void hilbertsortIpelet::protected_run(int fn)
{
if (fn==2) {
show_help();
return;
}
std::vector<Point_2> pt_list;
read_active_objects( CGAL::dispatch_or_drop_output<Point_2>( std::back_inserter(pt_list) ) );
if (pt_list.empty()) {
print_error_message("No mark selected");
return;
}
if (fn==0) CGAL::hilbert_sort(pt_list.begin(), pt_list.end());
else CGAL::hilbert_sort(pt_list.begin(), pt_list.end(), CGAL::Hilbert_sort_middle_policy());
draw_polyline_in_ipe(pt_list.begin(), pt_list.end());
}
}
CGAL_IPELET(CGAL_hilbert_sort::hilbertsortIpelet)
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