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1c5acb87 | 1 | #ifndef ALICALOPID_H |
2 | #define ALICALOPID_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | /* $Id: $ */ | |
6 | ||
7 | //_________________________________________________________________________ | |
bdd2a262 | 8 | // Class for PID selection with calorimeters |
9 | // The Output of the 2 main methods GetPdg is a PDG number identifying the cluster, | |
10 | // being kPhoton, kElectron, kPi0 ... as defined in the header file | |
11 | // - GetPdg(const TString calo, const Double_t * pid, const Float_t energy) | |
12 | // Reads the PID weights array of the ESDs and depending on its magnitude identifies the particle | |
13 | // - GetPdg(const TString calo,const TLorentzVector mom, const AliAODCaloCluster * cluster) | |
14 | // Recalcultes PID, the bayesian or any new one to be implemented in the future | |
15 | // Right now only the possibility to recalculate EMCAL with bayesian and simple PID. | |
16 | // In order to recalculate Bayesian, it is necessary to load the EMCALUtils library | |
17 | // and do SwitchOnBayesianRecalculation(). | |
18 | // To change the PID parameters from Low to High like the ones by default, use the constructor | |
19 | // AliCaloPID(flux) | |
20 | // where flux is AliCaloPID::kLow or AliCaloPID::kHigh | |
21 | // If it is necessary to change the parameters use the constructor | |
22 | // AliCaloPID(AliEMCALPIDUtils *utils) and set the parameters before. | |
23 | // - SetPIDBits: Simple PID, depending on the thresholds fDispCut fTOFCut and even the | |
24 | // result of the PID bayesian a different PID bit is set. | |
25 | // | |
26 | // All these methods can be called in the analysis you are interested. | |
1c5acb87 | 27 | // |
28 | //*-- Author: Gustavo Conesa (INFN-LNF) | |
29 | ||
30 | // --- ROOT system --- | |
31 | #include <TObject.h> | |
32 | class TString ; | |
33 | class TLorentzVector ; | |
34 | class TFormula ; | |
bdd2a262 | 35 | class TTask; |
1c5acb87 | 36 | |
37 | //--- AliRoot system --- | |
1c5acb87 | 38 | class AliAODCaloCluster; |
39 | class AliAODPWG4Particle; | |
bdd2a262 | 40 | #ifdef __EMCALUTIL__ |
41 | class AliEMCALPIDUtils; | |
42 | #endif | |
1c5acb87 | 43 | |
44 | class AliCaloPID : public TObject { | |
45 | ||
477d6cee | 46 | public: |
47 | ||
48 | AliCaloPID() ; // ctor | |
bdd2a262 | 49 | AliCaloPID(const Int_t particleFlux) ; // ctor, to be used when recalculating bayesian PID |
50 | AliCaloPID(const TTask * emcalpid) ; // ctor, to be used when recalculating bayesian PID and need different parameters | |
477d6cee | 51 | AliCaloPID(const AliCaloPID & g) ; // cpy ctor |
52 | AliCaloPID & operator = (const AliCaloPID & g) ;//cpy assignment | |
53 | virtual ~AliCaloPID() ;//virtual dtor | |
54 | ||
55 | enum PidType { | |
56 | kPhoton = 22, | |
57 | kPi0 = 111, | |
58 | kEta = 221, | |
59 | kElectron = 11, | |
60 | kEleCon = -11, | |
61 | kNeutralHadron = 2112, | |
62 | kChargedHadron = 211, | |
63 | kNeutralUnknown = 130, | |
64 | kChargedUnknown=321 | |
65 | }; | |
66 | ||
67 | enum TagType {kPi0Decay, kEtaDecay, kOtherDecay, kConversion, kNoTag = -1}; | |
68 | ||
69 | void InitParameters(); | |
70 | ||
71 | Int_t GetPdg(const TString calo, const Double_t * pid, const Float_t energy) const ; | |
72 | ||
73 | Int_t GetPdg(const TString calo,const TLorentzVector mom, const AliAODCaloCluster * cluster) const ; | |
74 | ||
75 | TString GetPIDParametersList(); | |
76 | ||
77 | void SetPIDBits(const TString calo, const AliAODCaloCluster * cluster, AliAODPWG4Particle *aodph); | |
78 | ||
79 | void Print(const Option_t * opt)const; | |
80 | ||
81 | //Weight getters | |
82 | Float_t GetEMCALPhotonWeight() const { return fEMCALPhotonWeight ; } | |
83 | Float_t GetEMCALPi0Weight() const { return fEMCALPi0Weight ; } | |
84 | Float_t GetEMCALElectronWeight() const { return fEMCALElectronWeight ; } | |
85 | Float_t GetEMCALChargeWeight() const { return fEMCALChargeWeight ; } | |
86 | Float_t GetEMCALNeutralWeight() const { return fEMCALNeutralWeight ; } | |
87 | Float_t GetPHOSPhotonWeight() const { return fPHOSPhotonWeight ; } | |
88 | Float_t GetPHOSPi0Weight() const { return fPHOSPi0Weight ; } | |
89 | Float_t GetPHOSElectronWeight() const { return fPHOSElectronWeight ; } | |
90 | Float_t GetPHOSChargeWeight() const { return fPHOSChargeWeight ; } | |
91 | Float_t GetPHOSNeutralWeight() const { return fPHOSNeutralWeight ; } | |
92 | ||
93 | Bool_t IsPHOSPIDWeightFormulaOn() const { return fPHOSWeightFormula ; } | |
94 | TFormula * GetPHOSPhotonWeightFormula() const { return fPHOSPhotonWeightFormula ; } | |
95 | TFormula * GetPHOSPi0WeightFormula() const { return fPHOSPi0WeightFormula ; } | |
96 | ||
97 | //Weight setters | |
98 | void SetEMCALPhotonWeight(Float_t w){ fEMCALPhotonWeight = w ; } | |
99 | void SetEMCALPi0Weight(Float_t w){ fEMCALPi0Weight = w ; } | |
100 | void SetEMCALElectronWeight(Float_t w){ fEMCALElectronWeight = w ; } | |
101 | void SetEMCALChargeWeight(Float_t w){ fEMCALChargeWeight = w ; } | |
102 | void SetEMCALNeutralWeight(Float_t w){ fEMCALNeutralWeight = w ; } | |
103 | void SetPHOSPhotonWeight(Float_t w){ fPHOSPhotonWeight = w ; } | |
104 | void SetPHOSPi0Weight(Float_t w){ fPHOSPi0Weight = w ; } | |
105 | void SetPHOSElectronWeight(Float_t w){ fPHOSElectronWeight = w ; } | |
106 | void SetPHOSChargeWeight(Float_t w){ fPHOSChargeWeight = w ; } | |
107 | void SetPHOSNeutralWeight(Float_t w){ fPHOSNeutralWeight = w ; } | |
108 | ||
109 | void UsePHOSPIDWeightFormula(Bool_t par) { fPHOSWeightFormula = par; } | |
bdd2a262 | 110 | void SetPHOSPhotonWeightFormula(TFormula * const photon) { fPHOSPhotonWeightFormula = photon; } |
111 | void SetPHOSPi0WeightFormula(TFormula * const pi0) { fPHOSPi0WeightFormula = pi0; } | |
477d6cee | 112 | |
113 | //PID bits setters and getters | |
114 | void SetDispersionCut(Float_t dcut ) {fDispCut = dcut; } | |
115 | Float_t GetDispersionCut() const {return fDispCut ;} | |
116 | ||
117 | void SetTOFCut(Float_t tcut ) {fTOFCut = tcut; } | |
118 | Float_t GetTOFCut() const {return fTOFCut ;} | |
119 | ||
120 | void SetDebug(Int_t deb) {fDebug=deb;} | |
121 | Int_t GetDebug() const {return fDebug;} | |
122 | ||
bdd2a262 | 123 | void SwitchOnBayesianRecalculation() {fRecalculateBayesian = kTRUE ; } |
124 | void SwitchOffBayesianRecalculation() {fRecalculateBayesian = kFALSE; } | |
125 | enum eventType{kLow,kHigh}; | |
126 | void SetLowParticleFlux() {fParticleFlux = kLow;} | |
127 | void SetHighParticleFlux() {fParticleFlux = kHigh;} | |
128 | ||
477d6cee | 129 | private: |
130 | ||
131 | Float_t fEMCALPhotonWeight; //Bayesian PID weight for photons in EMCAL | |
132 | Float_t fEMCALPi0Weight; //Bayesian PID weight for pi0 in EMCAL | |
133 | Float_t fEMCALElectronWeight; //Bayesian PID weight for electrons in EMCAL | |
134 | Float_t fEMCALChargeWeight; //Bayesian PID weight for charged hadrons in EMCAL | |
135 | Float_t fEMCALNeutralWeight; //Bayesian PID weight for neutral hadrons in EMCAL | |
136 | Float_t fPHOSPhotonWeight; //Bayesian PID weight for photons in PHOS | |
137 | Float_t fPHOSPi0Weight; //Bayesian PID weight for pi0 in PHOS | |
138 | Float_t fPHOSElectronWeight; //Bayesian PID weight for electrons in PHOS | |
139 | Float_t fPHOSChargeWeight; //Bayesian PID weight for charged hadrons in PHOS | |
140 | Float_t fPHOSNeutralWeight; //Bayesian PID weight for neutral hadrons in PHOS | |
141 | ||
142 | Bool_t fPHOSWeightFormula ; //Use parametrized weight threshold, function of energy | |
143 | TFormula * fPHOSPhotonWeightFormula ; //Formula for photon weight | |
144 | TFormula * fPHOSPi0WeightFormula ; //Formula for pi0 weight | |
145 | ||
146 | Float_t fDispCut; //Cut on dispersion, used in PID evaluation | |
147 | Float_t fTOFCut; //Cut on TOF, used in PID evaluation | |
148 | ||
149 | Int_t fDebug; //Debug level | |
bdd2a262 | 150 | |
151 | Bool_t fRecalculateBayesian; // Recalculate PID bayesian or use simple PID? | |
152 | Int_t fParticleFlux; // Particle flux for setting PID parameters | |
153 | #ifdef __EMCALUTIL__ | |
154 | AliEMCALPIDUtils * fEMCALPIDUtils; //Pointer to EMCALPID to redo the PID Bayesian calculation | |
155 | #endif | |
156 | ||
157 | ||
158 | ClassDef(AliCaloPID,4) | |
477d6cee | 159 | } ; |
1c5acb87 | 160 | |
161 | ||
162 | #endif //ALICALOPID_H | |
163 | ||
164 | ||
165 |