TRT_TrackTimingTool.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
// TRT_TrackTimingTool.h, (c) ATLAS Detector software
 
#ifndef TRTTRACKTIMINGTOOL_H
#define TRTTRACKTIMINGTOOL_H
 
#include <vector>
 
#include "GaudiKernel/ToolHandle.h"
#include "AthenaBaseComps/AthAlgTool.h"
#include "InDetCosmicsEventPhase/ITRT_TrackTimingTool.h"
#include "TrkTrack/Track.h"
#include "Particle/TrackParticle.h"
#include "TrkParticleBase/TrackParticleBase.h"
#include "TrkSpaceTimePoint/SpaceTimePointBase.h"
#include "TrkSpaceTimePoint/SpaceTimePoint.h"
#include "InDetRIO_OnTrack/TRT_DriftCircleOnTrack.h"
 
#include "StoreGate/ReadHandleKey.h"
 
#include "TrkFitterInterfaces/ITrackFitter.h"
#include "InDetCosmicsEventPhase/IInDetCosmicsEventPhaseTool.h"
 
#include "TRT_ConditionsServices/ITRT_CalDbTool.h"
#include "xAODEventInfo/EventInfo.h"
 
class AtlasDetectorID;
class Identifier;
 
namespace Trk{
  class ITrackFitter;
}
 
namespace InDet
{
 
  class IInDetCosmicsEventPhaseTool;
 
class TRT_TrackTimingTool : virtual public ITRT_TrackTimingTool, public AthAlgTool {
  public:
    TRT_TrackTimingTool(const std::string&, const std::string&, const IInterface*);
 
    virtual ~TRT_TrackTimingTool();
      
    virtual StatusCode initialize();
 
      virtual StatusCode finalize();
 
    virtual std::vector<Trk::SpaceTimePoint*> timeMeasurements(const Trk::Track& trk, const Trk::SegmentCollection *sgmColl = 0) const;
    virtual std::vector<Trk::SpaceTimePoint*> timeMeasurements(const Trk::TrackParticleBase& trk) const; // calls the above
    virtual std::vector<Trk::SpaceTimePoint*> timeMeasurements(std::vector<const Trk::Segment*> segments) const; // will return empty vector!
    
        float getTrackTimeFromDriftRadius(const Trk::Track* track, int &nHits) const;
  
  private:
      
    ToolHandle<Trk::ITrackFitter>    m_ITrackFitter; // refit the ID track if measurements on track are not available
    ToolHandle<InDet::IInDetCosmicsEventPhaseTool> m_eventPhaseTool; //<! Cosmics Event Phase tool
 
    ToolHandle<ITRT_CalDbTool> m_caldbtool ;
 
    bool m_doEtaCorrection;
    bool m_debug;
    SG::ReadHandleKey<xAOD::EventInfo> m_EventInfoKey;  
 
 
    
    float etaCorrection(const Trk::Track& track) const;
 
    void trackInformation(const Trk::Track& track, Amg::Vector3D &position, int &nTRTdriftCircles, int &nMissingRDOs, int &nMissingTrackParameters, int &nUsedHits) const;  
        
    void debugMissingMeasurements(const Trk::Track& trk) const;
 
  }; 
 
}
 
#endif