Tracking/TrkUtilityPackages/TrkDriftCircleMath/TrkDriftCircleMath/Cluster.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef DCMATH_CLUSTER_H
#define DCMATH_CLUSTER_H
 
#include <ostream>
#include <vector>
 
#include "GaudiKernel/MsgStream.h"
#include "TrkDriftCircleMath/ClusterId.h"
#include "TrkDriftCircleMath/LocVec2D.h"
 
 
namespace Muon {
    class MuonClusterOnTrack;
}
namespace TrkDriftCircleMath {
 
    class Cluster {
    public:
        Cluster(const LocVec2D& pos, double err) : m_pos(pos), m_err(err) {}
 
        Cluster(const LocVec2D& pos, double err, ClusterId id, 
                const Muon::MuonClusterOnTrack* rot,
                unsigned int index) : 
            m_pos(pos), m_err(err), m_id(id), m_rot{rot}, m_idx{index} {}
 
        ~Cluster() = default;
 
        const LocVec2D& position() const { return m_pos; }
 
        const ClusterId& id() const { return m_id; }
 
        double x() const { return m_pos.x(); }
 
        double y() const { return m_pos.y(); }
 
        double err() const { return m_err; }
 
        const Muon::MuonClusterOnTrack* rot() const { return m_rot; }
        unsigned int index() const { return m_idx; }
 
    private:
        LocVec2D m_pos{0., 0.};
        double m_err{0.};
        ClusterId m_id{};
        const Muon::MuonClusterOnTrack* m_rot{nullptr};
        unsigned int m_idx{0};
    };
 
    typedef std::vector<Cluster> CLVec;
    typedef CLVec::iterator CLIt;
    typedef CLVec::const_iterator CLCit;
}  // namespace TrkDriftCircleMath
 
std::ostream& operator<<(std::ostream& os, const TrkDriftCircleMath::Cluster& dc);
 
MsgStream& operator<<(MsgStream& os, const TrkDriftCircleMath::Cluster& dc);
 
#endif