MsTrackFindingAlg.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
#ifndef MUONTRACKFINIDNGALGS_MSTRACKFINIDNGALG_H
#define MUONTRACKFINIDNGALGS_MSTRACKFINIDNGALG_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
 
#include "StoreGate/ReadCondHandleKey.h"
#include "StoreGate/ReadHandleKeyArray.h"
#include "StoreGate/WriteHandleKey.h"
 
#include "MuonReadoutGeometryR4/MuonDetectorManager.h"
#include "xAODTracking/TrackParticleContainer.h"
#include "MuonPatternEvent/MuonPatternContainer.h"
 
#include "xAODMuon/MuonSegmentContainer.h"
#include "MuonTrackEvent/MsTrackSeed.h"
#include "MuonRecToolInterfacesR4/ITrackSummaryTool.h"
 
 
#include "ActsEvent/TrackContainer.h"
#include "ActsEvent/ContextUtility.h"
 
#include "ActsToolInterfaces/IFitterTool.h"
#include "ActsGeometryInterfaces/IExtrapolationTool.h"
#include "ActsGeometryInterfaces/ITrackingGeometrySvc.h"
 
#include "MuonIdHelpers/IMuonIdHelperSvc.h"
#include "MuonRecToolInterfacesR4/ISpacePointCalibrator.h"
#include "MuonRecToolInterfacesR4/ITrackVisualizationTool.h"
#include "MuonRecToolInterfacesR4/ITrackSeedingTool.h"
 
#include "ActsEvent/TrackContainerHandlesHelper.h"
#include "GaudiKernel/SystemOfUnits.h"
 
 
namespace MuonR4{
    class MsTrackFindingAlg : public AthReentrantAlgorithm {
        public:
            using AthReentrantAlgorithm::AthReentrantAlgorithm;
        
            virtual ~MsTrackFindingAlg();
            virtual StatusCode initialize() override final;
            virtual StatusCode execute(const EventContext& ctx) const override final;
 
            using OptBoundPars_t = Acts::Result<Acts::BoundTrackParameters>;
            using MeasVec_t = std::vector<const xAOD::UncalibratedMeasurement*>;
        private:
            bool fitSeedCandidate(const Acts::GeometryContext& tgContext,
                                  const Acts::MagneticFieldContext& mfContext,
                                  const Acts::CalibrationContext& calContext,
                                  const MsTrackSeed& seed,
                                  ActsTrk::MutableTrackContainer& outContainer) const;

            std::pair<OptBoundPars_t, MeasVec_t> prepareFit(const Acts::GeometryContext& tgContext,
                                                            const Acts::CalibrationContext& calContext,
                                                            const MsTrackSeed& seed) const;
 
            bool expressAtCaloExit(const EventContext& ctx,
                                   ActsTrk::MutableTrackContainer::TrackProxy track) const;
            ServiceHandle<Muon::IMuonIdHelperSvc> m_idHelperSvc{this, "IdHelperSvc",  "Muon::MuonIdHelperSvc/MuonIdHelperSvc"};
            const MuonGMR4::MuonDetectorManager* m_detMgr{nullptr};
            SG::WriteHandleKey<MsTrackSeedContainer> m_msTrkSeedKey{this, "MsTrkSeedKey", "MsTrackSeeds"};
            ToolHandle<ITrackSeedingTool> m_seedingTool{this, "SeedingTool", ""};
            ToolHandle<ActsTrk::IFitterTool> m_trackFitTool{this, "FittingTool", ""};
            ToolHandle<ISpacePointCalibrator> m_calibTool{this, "Calibrator", ""};
            ToolHandle<ActsTrk::IExtrapolationTool> m_extrapolationTool{this, "ExtrapolationTool" ,"" };
            ServiceHandle<ActsTrk::ITrackingGeometrySvc> m_trackingGeometrySvc{this, "TrackingGeometrySvc", "ActsTrackingGeometrySvc"};
            Gaudi::Property<bool> m_expressAtMsEntrance{this, "expressAtMsEntrance", true};
            Gaudi::Property<bool> m_ignoreFailedMsEntrance{this, "ignoreFailedExtpMsEntrance", true};
            ActsTrk::ContextUtility m_ctxProvider{this};
            ToolHandle<MuonValR4::ITrackVisualizationTool> m_visualizationTool{this, "VisualizationTool", ""};
            ToolHandle<MuonR4::ITrackSummaryTool> m_summaryTool{this, "SummaryTool" , ""};
            SG::WriteHandleKey<ActsTrk::TrackContainer> m_writeKey{this, "TrackWriteKey", "MsTracks"};
    };      
}
 
#endif