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New helper functions: sort jet constituents by pt and delta R (from A. Sevcenco)
[u/mrichter/AliRoot.git] / PWGJE / EMCALJetTasks / AliEmcalJet.h
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914d486c 1#ifndef AliEmcalJet_H
2#define AliEmcalJet_H
7df864a3 3
d1f0108e 4#include <vector>
5#include <algorithm>
6#include <utility>
f8087a81 7#include <TArrayS.h>
7efbea04 8#include <TLorentzVector.h>
9#include <TMath.h>
a55e4f1d 10#include <TClonesArray.h>
d1f0108e 11#include <TVector2.h>
a55e4f1d 12
f8087a81 13#include "AliVParticle.h"
a55e4f1d 14#include "AliVCluster.h"
85d48773 15#include "AliVEvent.h"
7efbea04 16
914d486c 17class AliEmcalJet : public AliVParticle
7efbea04 18{
7df864a3 19 public:
3c9775d9 20 enum EFlavourTag{
21 kDStar = 1<<0,
22 kD0 = 1<<1
23 //.....
24 };
25
96919f91 26 AliEmcalJet();
914d486c 27 AliEmcalJet(Double_t px, Double_t py, Double_t pz);
101cefde 28 AliEmcalJet(Double_t pt, Double_t eta, Double_t phi, Double_t m);
914d486c 29 AliEmcalJet(const AliEmcalJet &jet);
30 AliEmcalJet& operator=(const AliEmcalJet &jet);
7efbea04 31
a55e4f1d 32 Double_t Px() const { return fPt*TMath::Cos(fPhi); }
da1bd0e7 33 Double_t Py() const { return fPt*TMath::Sin(fPhi); }
a55e4f1d 34 Double_t Pz() const { return fPt*TMath::SinH(fEta); }
35 Double_t Pt() const { return fPt; }
36 Double_t P() const { return fPt*TMath::CosH(fEta); }
37 Bool_t PxPyPz(Double_t p[3]) const { p[0]=Px();p[1]=Py();p[2]=Pz(); return 1; }
38 Double_t Xv() const { return 0.; }
39 Double_t Yv() const { return 0.; }
40 Double_t Zv() const { return 0.; }
41 Bool_t XvYvZv(Double_t x[3]) const { x[0]=0;x[1]=0;x[2]=0; return 1; }
42 Double_t OneOverPt() const { return 1./fPt; }
43 Double_t Phi() const { return fPhi; }
44 Double_t Theta() const { return 2*TMath::ATan(TMath::Exp(-fEta)); }
45 Double_t E() const { Double_t p=P(); return TMath::Sqrt(M()*M()+p*p); }
abfd90d8 46 Double_t M() const { return fM; }
a55e4f1d 47 Double_t Eta() const { return fEta; }
48 Double_t Y() const { return 0.5*TMath::Log((E()+Pz())/(E()-Pz())); }
49 Short_t Charge() const { return 0; }
50 Int_t GetLabel() const { return -1; }
51 Int_t PdgCode() const { return 0; }
52 const Double_t *PID() const { return 0; }
53 void GetMom(TLorentzVector &vec) const;
54 void Print(Option_t* option = "") const;
688670de 55
a55e4f1d 56 Double_t Area() const { return fArea; }
db8a0184 57 Double_t AreaPt() const { return fArea; }
58 Double_t AreaEta() const { return fAreaEta; }
59 Double_t AreaPhi() const { return fAreaPhi; }
101cefde 60 Double_t AreaEmc() const { return fAreaEmc; }
61 Bool_t AxisInEmcal() const { return fAxisInEmcal; }
db8a0184 62 Int_t Compare(const TObject* obj) const;
a55e4f1d 63 Short_t ClusterAt(Int_t idx) const { return fClusterIDs.At(idx); }
8895e61b 64 AliVCluster *ClusterAt(Int_t idx, TClonesArray *ca) const { if (!ca) return 0; return dynamic_cast<AliVCluster*>(ca->At(ClusterAt(idx))); }
f660c2d6 65 AliVCluster *GetLeadingCluster(TClonesArray *clusters) const;
db8a0184 66 UShort_t GetNumberOfClusters() const { return fClusterIDs.GetSize(); }
96919f91 67 UShort_t GetNumberOfTracks() const { return fTrackIDs.GetSize(); }
624bef5b 68 UShort_t GetNumberOfConstituents() const { return GetNumberOfClusters()+GetNumberOfTracks(); }
101cefde 69 Double_t FracEmcalArea() const { return fAreaEmc/fArea; }
101cefde 70 Bool_t IsInsideEmcal() const { return (fAreaEmc/fArea>0.999); }
71 Bool_t IsInEmcal() const { return (fAreaEmc>0); }
db8a0184 72 Bool_t IsMC() const { return (Bool_t)(MCPt() > 0); }
73 Bool_t IsSortable() const { return kTRUE; }
96919f91 74 Double_t MaxNeutralPt() const { return fMaxNPt; }
75 Double_t MaxChargedPt() const { return fMaxCPt; }
a55e4f1d 76 Double_t NEF() const { return fNEF; }
96919f91 77 UShort_t Nn() const { return fNn; }
78 UShort_t Nch() const { return fNch; }
a55e4f1d 79 UShort_t N() const { return Nch()+Nn(); }
8895e61b 80 Int_t NEmc() const { return fNEmc; }
96919f91 81 Double_t MCPt() const { return fMCPt; }
96919f91 82 Double_t MaxClusterPt() const { return MaxNeutralPt(); }
83 Double_t MaxTrackPt() const { return MaxChargedPt(); }
e44e8726 84 Double_t MaxPartPt() const { return fMaxCPt < fMaxNPt ? fMaxNPt : fMaxCPt; }
8895e61b 85 Double_t PtEmc() const { return fPtEmc; }
86 Double_t PtSub() const { return fPtSub; }
87 Double_t PtSub(Double_t rho) const { return fPt - fArea*rho; }
db8a0184 88 Double_t PtSubVect(Double_t rho) const;
db8a0184 89 Short_t TrackAt(Int_t idx) const { return fTrackIDs.At(idx); }
6d12a4a0 90 AliVParticle *TrackAt(Int_t idx, TClonesArray *ta) const { if (!ta) return 0; return dynamic_cast<AliVParticle*>(ta->At(TrackAt(idx))); }
f660c2d6 91 AliVParticle *GetLeadingTrack(TClonesArray *tracks) const;
3c9775d9 92 Int_t GetFlavour() const { return fFlavourTagging; }
93
a55e4f1d 94 void AddClusterAt(Int_t clus, Int_t idx){ fClusterIDs.AddAt(clus, idx); }
3c9775d9 95 void AddFlavourTag(Int_t tag) { fFlavourTagging |= tag; }
a55e4f1d 96 void AddTrackAt(Int_t track, Int_t idx) { fTrackIDs.AddAt(track, idx); }
038f0049 97 void Clear(Option_t */*option*/="") { fClusterIDs.Set(0); fTrackIDs.Set(0); fClosestJets[0] = 0; fClosestJets[1] = 0;
98 fClosestJetsDist[0] = 0; fClosestJetsDist[1] = 0; fMatched = 0; fPtSub = 0; }
d1f0108e 99 Double_t DeltaR(const AliVParticle* part) const;
101cefde 100 void SetArea(Double_t a) { fArea = a; }
db8a0184 101 void SetAreaEta(Double_t a) { fAreaEta = a; }
102 void SetAreaPhi(Double_t a) { fAreaPhi = a; }
101cefde 103 void SetAreaEmc(Double_t a) { fAreaEmc = a; }
104 void SetAxisInEmcal(Bool_t b) { fAxisInEmcal = b; }
3c9775d9 105 void SetFlavour(Int_t flavour) { fFlavourTagging = flavour; }
96919f91 106 void SetMaxNeutralPt(Double32_t t) { fMaxNPt = t; }
107 void SetMaxChargedPt(Double32_t t) { fMaxCPt = t; }
101cefde 108 void SetNEF(Double_t nef) { fNEF = nef; }
a55e4f1d 109 void SetNumberOfClusters(Int_t n) { fClusterIDs.Set(n); }
110 void SetNumberOfTracks(Int_t n) { fTrackIDs.Set(n); }
96919f91 111 void SetNumberOfCharged(Int_t n) { fNch = n; }
112 void SetNumberOfNeutrals(Int_t n) { fNn = n; }
113 void SetMCPt(Double_t p) { fMCPt = p; }
a55e4f1d 114 void SortConstituents();
d1f0108e 115 std::vector<int> SortConstituentsPt(TClonesArray *tracks) const;
3c9775d9 116 void SetNEmc(Int_t n) { fNEmc = n; }
117 void SetPtEmc(Double_t pt) { fPtEmc = pt; }
118 void SetPtSub(Double_t ps) { fPtSub = ps; }
119 void SetPtSubVect(Double_t ps) { fPtVectSub = ps; }
120 Bool_t TestFlavourTag(Int_t tag) { return (Bool_t)((tag & fFlavourTagging) !=0); }
85d48773 121
122 // Trigger
123 Bool_t IsTriggerJet(UInt_t trigger=AliVEvent::kEMCEJE) const { return (Bool_t)((fTriggers & trigger) != 0); }
124 void SetTrigger(UInt_t trigger) { fTriggers = trigger; }
125 void AddTrigger(UInt_t trigger) { fTriggers |= trigger; }
cfc2ac24 126
127 // Matching
2103dc6a 128 void SetClosestJet(AliEmcalJet *j, Double_t d) { fClosestJets[0] = j; fClosestJetsDist[0] = d ; }
cfc2ac24 129 void SetSecondClosestJet(AliEmcalJet *j, Double_t d) { fClosestJets[1] = j; fClosestJetsDist[1] = d ; }
130 void SetMatchedToClosest(UShort_t m) { fMatched = 0; fMatchingType = m ; }
131 void SetMatchedToSecondClosest(UShort_t m) { fMatched = 1; fMatchingType = m ; }
2103dc6a 132 void ResetMatching();
cfc2ac24 133 AliEmcalJet* ClosestJet() const { return fClosestJets[0] ; }
134 Double_t ClosestJetDistance() const { return fClosestJetsDist[0] ; }
135 AliEmcalJet* SecondClosestJet() const { return fClosestJets[1] ; }
136 Double_t SecondClosestJetDistance() const { return fClosestJetsDist[1] ; }
137 AliEmcalJet* MatchedJet() const { return fMatched < 2 ? fClosestJets[fMatched] : 0; }
138 UShort_t GetMatchingType() const { return fMatchingType ; }
629e03fc 139
254370e1 140 void SetTaggedJet(AliEmcalJet *j) { fTaggedJet = j ; }
141 void SetTagStatus(Int_t i) { fTagStatus = i ; }
142 AliEmcalJet* GetTaggedJet() const { return fTaggedJet ; }
143 Int_t GetTagStatus() const { return fTagStatus ; }
144
7df864a3 145 protected:
43a9dcd0 146 Double32_t fPt; //[0,0,12] pt
147 Double32_t fEta; //[-1,1,12] eta
148 Double32_t fPhi; //[0,6.3,12] phi
149 Double32_t fM; //[0,0,8] mass
150 Double32_t fNEF; //[0,1,8] neutral energy fraction
151 Double32_t fArea; //[0,0,12] area
db8a0184 152 Double32_t fAreaEta; //[0,0,12] area eta
153 Double32_t fAreaPhi; //[0,0,12] area phi
43a9dcd0 154 Double32_t fAreaEmc; //[0,0,12] area on EMCAL surface (determined from ghosts)
155 Bool_t fAxisInEmcal; // =true if jet axis inside EMCAL acceptance
3c9775d9 156 Int_t fFlavourTagging; // tag jet with a falvour, bit 0 = no tag; bit 1= Dstar; bit 2 = D0
43a9dcd0 157 Double32_t fMaxCPt; //[0,0,12] pt of maximum charged constituent
158 Double32_t fMaxNPt; //[0,0,12] pt of maximum neutral constituent
159 Double32_t fMCPt; // pt from MC particles contributing to the jet
160 Int_t fNn; // number of neutral constituents
161 Int_t fNch; // number of charged constituents
8895e61b 162 Double32_t fPtEmc; //[0,0,12] pt in EMCAL acceptance
163 Int_t fNEmc; // number of constituents in EMCAL acceptance
6d12a4a0 164 TArrayI fClusterIDs; // array containing ids of cluster constituents
165 TArrayI fTrackIDs; // array containing ids of track constituents
43a9dcd0 166 AliEmcalJet *fClosestJets[2]; //! if this is MC it contains the two closest detector level jets in order of distance and viceversa
167 Double32_t fClosestJetsDist[2]; //! distance to closest jets (see above)
168 UShort_t fMatched; //! 0,1 if it is matched with one of the closest jets; 2 if it is not matched
cfc2ac24 169 UShort_t fMatchingType; //! matching type
254370e1 170 AliEmcalJet *fTaggedJet; //! jet tagged to this jet
171 Int_t fTagStatus; //! status of tagging -1: NA 0: not tagged 1: tagged
8895e61b 172 Double_t fPtSub; //! background subtracted pt (not stored set from outside)
db8a0184 173 Double_t fPtVectSub; //! background vector subtracted pt (not stored set from outside)
85d48773 174 UInt_t fTriggers; //! triggers that the jet might have fired (AliVEvent::EOfflineTriggerTypes)
7df864a3 175
d1f0108e 176 private:
177 struct sort_descend
178 { // sort in decreasing order
179 // first value of the pair is Pt and the second is entry index
180 bool operator () (const std::pair<Double_t, Int_t>& p1, const std::pair<Double_t, Int_t>& p2) { return p1.first > p2.first ; }
181 };
182
183 ClassDef(AliEmcalJet,13) // Emcal jet class in cylindrical coordinates
7df864a3 184};
f472e642 185#endif