TSGForOIFromL2.h

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#ifndef RecoMuon_TrackerSeedGenerator_TSGForOIFromL2_H
#define RecoMuon_TrackerSeedGenerator_TSGForOIFromL2_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"
#include "DataFormats/TrackerCommon/interface/TrackerTopology.h"

class TSGForOIFromL2 : public edm::global::EDProducer<> {
public:
  explicit TSGForOIFromL2(const edm::ParameterSet& iConfig);
  ~TSGForOIFromL2() 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 maxSeeds_;

  const unsigned int maxHitlessSeeds_;

  const unsigned int maxHitSeeds_;

  const unsigned int numOfLayersToTry_;

  const unsigned int numOfHitsToTry_;

  const unsigned int numL2ValidHitsCutAllEta_;
  const unsigned int numL2ValidHitsCutAllEndcap_;

  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 std::unique_ptr<TrajectoryStateUpdator> updator_;

  const edm::EDGetTokenT<MeasurementTrackerEvent> measurementTrackerTag_;

  const double pT1_, pT2_, pT3_;
  const double eta1_, eta2_, eta3_, eta4_, eta5_, eta6_, eta7_;
  const double SF1_, SF2_, SF3_, SF4_, SF5_, SF6_;

  const double tsosDiff1_;
  const double tsosDiff2_;

  const std::string propagatorName_;
  const std::string theCategory_;
  const edm::ESGetToken<Chi2MeasurementEstimatorBase, TrackingComponentsRecord> estimatorToken_;
  const edm::ESGetToken<MagneticField, IdealMagneticFieldRecord> magfieldToken_;
  const edm::ESGetToken<Propagator, TrackingComponentsRecord> propagatorToken_;
  const edm::ESGetToken<TrackerGeometry, TrackerDigiGeometryRecord> tmpTkGeometryToken_;
  const edm::ESGetToken<GlobalTrackingGeometry, GlobalTrackingGeometryRecord> geometryToken_;
  const edm::ESGetToken<Propagator, TrackingComponentsRecord> sHPOppositeToken_;

  void makeSeedsWithoutHits(const GeometricSearchDet& layer,
                            const TrajectoryStateOnSurface& tsos,
                            const Propagator& propagatorAlong,
                            const edm::ESHandle<Chi2MeasurementEstimatorBase>& estimator,
                            double errorSF,
                            unsigned int& hitlessSeedsMade,
                            unsigned int& numSeedsMade,
                            std::vector<TrajectorySeed>& out) const;

  void makeSeedsFromHits(const GeometricSearchDet& layer,
                         const TrajectoryStateOnSurface& tsos,
                         const Propagator& propagatorAlong,
                         const edm::ESHandle<Chi2MeasurementEstimatorBase>& estimator,
                         const edm::Handle<MeasurementTrackerEvent>& measurementTracker,
                         double errorSF,
                         unsigned int& hitSeedsMade,
                         unsigned int& numSeedsMade,
                         unsigned int& layerCount,
                         std::vector<TrajectorySeed>& out) const;

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

  double match_Chi2(const TrajectoryStateOnSurface& tsos1, const TrajectoryStateOnSurface& tsos2) const;
};

#endif