MuonScatteringAngleSignificanceTool.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef MUONSCATTERINGANGLESIGNIFICANCETOOL_H
#define MUONSCATTERINGANGLESIGNIFICANCETOOL_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ServiceHandle.h"
#include "GaudiKernel/ToolHandle.h"
#include "MuonCombinedToolInterfaces/IMuonScatteringAngleSignificance.h"
#include "TrkDetDescrInterfaces/ITrackingVolumesSvc.h"
#include "TrkFitterInterfaces/ITrackFitter.h"
 
namespace Trk {
    class Volume;
}
 
namespace Rec {

 
    class MuonScatteringAngleSignificanceTool : public AthAlgTool, virtual public IMuonScatteringAngleSignificance {
    public:
        MuonScatteringAngleSignificanceTool(const std::string& type, const std::string& name, const IInterface* parent);
        ~MuonScatteringAngleSignificanceTool() = default;
 
        StatusCode initialize();

        ScatteringAngleSignificance scatteringAngleSignificance(const xAOD::Muon& muon) const;

        ScatteringAngleSignificance scatteringAngleSignificance(const Trk::Track& track) const;
 
    private:
        bool isSlimmed(const Trk::Track& track) const;
 
        // tools and services
        ToolHandle<Trk::ITrackFitter> m_fitter{this, "TrackFitter", "",
                                               "tool for unslimming via track fit"};  
        ServiceHandle<Trk::ITrackingVolumesSvc> m_trackingVolumesSvc{this, "TrackingVolumesSvc", "Trk::TrackingVolumesSvc/TrackingVolumesSvc",
                                                                     "geometry for analysing track lengths"};
 
        // constants
        const Trk::Volume* m_calorimeterVolume;  
        const Trk::Volume* m_indetVolume;        
 
        // steering flags
        bool m_inDetOnly;       
        bool m_refitInDetOnly;  
    };
 
}  // namespace Rec
 
#endif