TSGForOI.h

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#ifndef RecoMuon_TrackerSeedGenerator_TSGForOI_H
#define RecoMuon_TrackerSeedGenerator_TSGForOI_H

#include "DataFormats/TrackReco/interface/Track.h"
#include "FWCore/Framework/interface/global/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "Geometry/CommonDetUnit/interface/GlobalTrackingGeometry.h"
#include "Geometry/Records/interface/GlobalTrackingGeometryRecord.h"
#include "MagneticField/Engine/interface/MagneticField.h"
#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
#include "RecoTracker/MeasurementDet/interface/MeasurementTrackerEvent.h"
#include "TrackingTools/GeomPropagators/interface/Propagator.h"
#include "TrackingTools/KalmanUpdators/interface/Chi2MeasurementEstimator.h"
#include "TrackingTools/KalmanUpdators/interface/KFUpdator.h"
#include "TrackingTools/MeasurementDet/interface/MeasurementDet.h"
#include "TrackingTools/PatternTools/interface/TrajMeasLessEstim.h"
#include "TrackingTools/Records/interface/TrackingComponentsRecord.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateTransform.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
#include "TrackingTools/GeomPropagators/interface/StateOnTrackerBound.h"

class TSGForOI : public edm::global::EDProducer<> {
public:
    explicit TSGForOI(const edm::ParameterSet & iConfig);
    ~TSGForOI() override;
    static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
    void produce(edm::StreamID sid, edm::Event& iEvent, const edm::EventSetup& iSetup) const override;
private:
    const edm::EDGetTokenT<reco::TrackCollection> src_;

    const unsigned int numOfMaxSeedsParam_;

    const unsigned int numOfLayersToTry_;

    const unsigned int numOfHitsToTry_;

    const double fixedErrorRescalingForHits_;
    const double fixedErrorRescalingForHitless_;

    const bool adjustErrorsDynamicallyForHits_;
    const bool adjustErrorsDynamicallyForHitless_;

    const std::string estimatorName_;

    const double minEtaForTEC_;

    const double maxEtaForTOB_;

    const bool useHitLessSeeds_;

    const bool useStereoLayersInTEC_;

    const std::unique_ptr<TrajectoryStateUpdator> updator_;

    const edm::EDGetTokenT<MeasurementTrackerEvent> measurementTrackerTag_;

    const double pT1_,pT2_,pT3_;
    const double eta1_,eta2_;
    const double SF1_,SF2_,SF3_,SF4_,SF5_;

    const double tsosDiff_;

    const std::string propagatorName_;
    const std::string theCategory;

    void findSeedsOnLayer(
                const TrackerTopology* tTopo,
                const GeometricSearchDet &layer,
                const TrajectoryStateOnSurface &tsosAtIP,
                const Propagator& propagatorAlong,
                const Propagator& propagatorOpposite,
                const reco::TrackRef l2,
                edm::ESHandle<Chi2MeasurementEstimatorBase>& estimator_,
                edm::Handle<MeasurementTrackerEvent>& measurementTrackerH,
                unsigned int& numSeedsMade,
                unsigned int& numOfMaxSeeds,
                unsigned int& layerCount,
                bool& analysedL2,
                std::unique_ptr<std::vector<TrajectorySeed> >& out) const;

    double calculateSFFromL2(const reco::TrackRef track) const;

    int makeSeedsFromHits(
                const TrackerTopology* tTopo,
                const GeometricSearchDet &layer,
                const TrajectoryStateOnSurface &tsosAtIP,
                std::vector<TrajectorySeed> &out,
                const Propagator& propagatorAlong,
                const MeasurementTrackerEvent &measurementTracker,
                edm::ESHandle<Chi2MeasurementEstimatorBase>& estimator_,
                unsigned int& numSeedsMade,
                const double errorSF,
                const double l2Eta) const;

        //Find compatability between two TSOSs
        double match_Chi2(const TrajectoryStateOnSurface& tsos1,
                  const TrajectoryStateOnSurface& tsos2) const;
                                          
};

#endif