142 lines
2.8 KiB
C++
142 lines
2.8 KiB
C++
// Copyright (c) 2014 INRIA Sophia-Antipolis (France), INRIA Lorraine LORIA.
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Optimal_transportation_reconstruction_2/include/CGAL/OTR_2/Sample.h $
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// $Id: Sample.h 254d60f 2019-10-19T15:23:19+02:00 Sébastien Loriot
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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//
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// Author(s) : Fernando de Goes, Pierre Alliez, Ivo Vigan, Clément Jamin
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#ifndef CGAL_OTR2_SAMPLE_H
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#define CGAL_OTR2_SAMPLE_H
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#include <CGAL/license/Optimal_transportation_reconstruction_2.h>
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/// \cond SKIP_IN_MANUAL
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namespace CGAL {
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namespace OTR_2 {
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template <class Traits_>
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class Sample
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{
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public:
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typedef typename Traits_::FT FT;
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typedef typename Traits_::Point_2 Point;
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private:
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Point m_point;
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FT m_mass;
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FT m_dist2_to_edge;
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FT m_coordinate;
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FT m_backup_dist2;
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FT m_backup_coord;
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public:
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Sample(const Point& point,
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const FT mass = FT(1))
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: m_point(point),
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m_mass(mass),
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m_dist2_to_edge(0),
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m_coordinate(0),
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m_backup_dist2(0),
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m_backup_coord(0)
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{
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}
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Sample(const Sample& sample)
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: m_point(sample.point()),
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m_mass(sample.mass()),
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m_dist2_to_edge(0),
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m_coordinate(0),
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m_backup_dist2(0),
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m_backup_coord(0)
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{
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}
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~Sample() { }
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const Point& point() const { return m_point; }
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Point& point() { return m_point; }
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const FT& mass() const { return m_mass; }
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FT& mass() { return m_mass; }
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const FT& distance2() const { return m_dist2_to_edge; }
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FT& distance2() { return m_dist2_to_edge; }
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const FT& coordinate() const { return m_coordinate; }
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FT& coordinate() { return m_coordinate; }
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void backup()
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{
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m_backup_dist2 = m_dist2_to_edge;
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m_backup_coord = m_coordinate;
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}
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void restore()
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{
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m_dist2_to_edge = m_backup_dist2;
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m_coordinate = m_backup_coord;
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}
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};
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template <class Sample_>
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class Sample_with_priority
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{
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public:
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typedef typename Sample_::FT FT;
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private:
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Sample_* m_sample;
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FT m_priority;
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public:
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Sample_with_priority(Sample_* sample, const FT priority = FT(0))
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{
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m_sample = sample;
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m_priority = priority;
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}
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Sample_with_priority(const Sample_with_priority& psample)
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{
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m_sample = psample.sample();
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m_priority = psample.priority();
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}
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~Sample_with_priority() { }
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Sample_with_priority& operator = (const Sample_with_priority& psample)
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{
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m_sample = psample.sample();
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m_priority = psample.priority();
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return *this;
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}
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Sample_* sample() const { return m_sample; }
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const FT priority() const { return m_priority; }
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};
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template <class T>
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struct greater_priority
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{
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bool operator() (const T& a, const T& b) const
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{
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return ( a.priority() > b.priority() );
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}
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};
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} } //end namespaces
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/// \endcond
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#endif // CGAL_OTR2_SAMPLE_H
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