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File indexing completed on 2021-12-16 00:32:57

0001 #ifndef __DataFormats_PatCandidates_IsolatedTrack_h__
0002 #define __DataFormats_PatCandidates_IsolatedTrack_h__
0003 
0004 /*
0005   \class    pat::IsolatedTrack IsolatedTrack.h "DataFormats/PatCandidates/interface/IsolatedTrack.h"
0006   \brief Small class to store key info on isolated tracks
0007    pat::IsolatedTrack stores important info on isolated tracks. Draws from
0008    packedPFCandidates, lostTracks, and generalTracks.
0009   \author   Bennett Marsh
0010 */
0011 
0012 #include "DataFormats/Candidate/interface/LeafCandidate.h"
0013 #include "DataFormats/TrackReco/interface/Track.h"
0014 #include "DataFormats/TrackReco/interface/TrackBase.h"
0015 #include "DataFormats/TrackReco/interface/HitPattern.h"
0016 #include "DataFormats/PatCandidates/interface/PackedCandidate.h"
0017 #include "DataFormats/PatCandidates/interface/PFIsolation.h"
0018 
0019 namespace pat {
0020 
0021   class IsolatedTrack : public reco::LeafCandidate {
0022   public:
0023     IsolatedTrack()
0024         : LeafCandidate(0, LorentzVector(0, 0, 0, 0)),
0025           pfIsolationDR03_(pat::PFIsolation()),
0026           miniIsolation_(pat::PFIsolation()),
0027           matchedCaloJetEmEnergy_(0.),
0028           matchedCaloJetHadEnergy_(0.),
0029           pfLepOverlap_(false),
0030           pfNeutralSum_(0.),
0031           dz_(0.),
0032           dxy_(0.),
0033           dzError_(0.),
0034           dxyError_(0.),
0035           fromPV_(-1),
0036           trackQuality_(0),
0037           dEdxStrip_(0),
0038           dEdxPixel_(0),
0039           hitPattern_(reco::HitPattern()),
0040           crossedEcalStatus_(std::vector<uint16_t>()),
0041           crossedHcalStatus_(std::vector<uint32_t>()),
0042           deltaEta_(0),
0043           deltaPhi_(0),
0044           packedCandRef_(PackedCandidateRef()),
0045           nearestPFPackedCandRef_(PackedCandidateRef()),
0046           nearestLostTrackPackedCandRef_(PackedCandidateRef()) {}
0047 
0048     explicit IsolatedTrack(const PFIsolation& iso,
0049                            const PFIsolation& miniiso,
0050                            float caloJetEm,
0051                            float caloJetHad,
0052                            bool pfLepOverlap,
0053                            float pfNeutralSum,
0054                            const LorentzVector& p4,
0055                            int charge,
0056                            int id,
0057                            float dz,
0058                            float dxy,
0059                            float dzError,
0060                            float dxyError,
0061                            const reco::HitPattern& hp,
0062                            float dEdxS,
0063                            float dEdxP,
0064                            int fromPV,
0065                            int tkQual,
0066                            const std::vector<uint16_t>& ecalst,
0067                            const std::vector<uint32_t>& hcalst,
0068                            int dEta,
0069                            int dPhi,
0070                            const PackedCandidateRef& pcref,
0071                            const PackedCandidateRef& refToNearestPF,
0072                            const PackedCandidateRef& refToNearestLostTrack)
0073         : LeafCandidate(charge, p4, Point(0., 0., 0.), id),
0074           pfIsolationDR03_(iso),
0075           miniIsolation_(miniiso),
0076           matchedCaloJetEmEnergy_(caloJetEm),
0077           matchedCaloJetHadEnergy_(caloJetHad),
0078           pfLepOverlap_(pfLepOverlap),
0079           pfNeutralSum_(pfNeutralSum),
0080           dz_(dz),
0081           dxy_(dxy),
0082           dzError_(dzError),
0083           dxyError_(dxyError),
0084           fromPV_(fromPV),
0085           trackQuality_(tkQual),
0086           dEdxStrip_(dEdxS),
0087           dEdxPixel_(dEdxP),
0088           hitPattern_(hp),
0089           crossedEcalStatus_(ecalst),
0090           crossedHcalStatus_(hcalst),
0091           deltaEta_(dEta),
0092           deltaPhi_(dPhi),
0093           packedCandRef_(pcref),
0094           nearestPFPackedCandRef_(refToNearestPF),
0095           nearestLostTrackPackedCandRef_(refToNearestLostTrack) {}
0096 
0097     ~IsolatedTrack() override {}
0098 
0099     const PFIsolation& pfIsolationDR03() const { return pfIsolationDR03_; }
0100 
0101     const PFIsolation& miniPFIsolation() const { return miniIsolation_; }
0102 
0103     float matchedCaloJetEmEnergy() const { return matchedCaloJetEmEnergy_; }
0104     float matchedCaloJetHadEnergy() const { return matchedCaloJetHadEnergy_; }
0105 
0106     bool pfLepOverlap() const { return pfLepOverlap_; }
0107     float pfNeutralSum() const { return pfNeutralSum_; }
0108 
0109     float dz() const { return dz_; }
0110     float dzError() const override { return dzError_; }
0111     float dxy() const { return dxy_; }
0112     float dxyError() const override { return dxyError_; }
0113 
0114     int fromPV() const { return fromPV_; }
0115 
0116     bool isHighPurityTrack() const {
0117       return (trackQuality_ & (1 << reco::TrackBase::highPurity)) >> reco::TrackBase::highPurity;
0118     }
0119     bool isTightTrack() const { return (trackQuality_ & (1 << reco::TrackBase::tight)) >> reco::TrackBase::tight; }
0120     bool isLooseTrack() const { return (trackQuality_ & (1 << reco::TrackBase::loose)) >> reco::TrackBase::loose; }
0121 
0122     const reco::HitPattern& hitPattern() const { return hitPattern_; }
0123 
0124     /// helper functions for string cut parser
0125     int lostInnerLayers() const {
0126       return hitPattern_.trackerLayersWithoutMeasurement(reco::HitPattern::MISSING_INNER_HITS);
0127     }
0128     int lostLayers() const { return hitPattern_.trackerLayersWithoutMeasurement(reco::HitPattern::TRACK_HITS); }
0129     int lostOuterLayers() const {
0130       return hitPattern_.trackerLayersWithoutMeasurement(reco::HitPattern::MISSING_OUTER_HITS);
0131     }
0132 
0133     float dEdxStrip() const { return dEdxStrip_; }
0134     float dEdxPixel() const { return dEdxPixel_; }
0135 
0136     //! just the status code part of an EcalChannelStatusCode for all crossed Ecal cells
0137     const std::vector<uint16_t>& crossedEcalStatus() const { return crossedEcalStatus_; }
0138     //! just the status code part of an HcalChannelStatus for all crossed Hcal cells
0139     const std::vector<uint32_t>& crossedHcalStatus() const { return crossedHcalStatus_; }
0140 
0141     //! difference in eta/phi between initial traj and intersection w/ ecal
0142     //! Values are between +-0.5 with a precision of 0.002
0143     float deltaEta() const { return float(deltaEta_) / 500.f; }
0144     float deltaPhi() const { return float(deltaPhi_) / 500.f; }
0145 
0146     const PackedCandidateRef& packedCandRef() const { return packedCandRef_; }
0147     const PackedCandidateRef& nearestPFPackedCandRef() const { return nearestPFPackedCandRef_; }
0148     const PackedCandidateRef& nearestLostTrackPackedCandRef() const { return nearestPFPackedCandRef_; }
0149 
0150   protected:
0151     PFIsolation pfIsolationDR03_;
0152     PFIsolation miniIsolation_;
0153     float matchedCaloJetEmEnergy_;  //energy of nearest calojet within a given dR;
0154     float matchedCaloJetHadEnergy_;
0155     bool pfLepOverlap_;
0156     float pfNeutralSum_;
0157     float dz_, dxy_, dzError_, dxyError_;
0158     int fromPV_;  //only stored for packedPFCandidates
0159     int trackQuality_;
0160     float dEdxStrip_, dEdxPixel_;  //in MeV/mm
0161 
0162     reco::HitPattern hitPattern_;
0163 
0164     std::vector<uint16_t> crossedEcalStatus_;
0165     std::vector<uint32_t> crossedHcalStatus_;
0166     int deltaEta_, deltaPhi_;
0167 
0168     PackedCandidateRef packedCandRef_;  // stored only for packedPFCands/lostTracks. NULL for generalTracks
0169     PackedCandidateRef nearestPFPackedCandRef_;
0170     PackedCandidateRef nearestLostTrackPackedCandRef_;
0171   };
0172 
0173   typedef std::vector<IsolatedTrack> IsolatedTrackCollection;
0174 
0175 }  // namespace pat
0176 
0177 #endif