Fixes for #89479: change in AliPIDResponse and AliPIDCombined (STEERBase). F.Noferini
[u/mrichter/AliRoot.git] / STEER / STEERBase / AliPIDResponse.h
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29bf19f2 1#ifndef ALIPIDRESPONSE_H
2#define ALIPIDRESPONSE_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6//---------------------------------------------------------------//
7// Base class for handling the pid response //
8// functions of all detectors //
9// and give access to the nsigmas //
10// //
11// Origin: Jens Wiechula, Uni Tuebingen, jens.wiechula@cern.ch //
12//---------------------------------------------------------------//
13
14#include "AliITSPIDResponse.h"
15#include "AliTPCPIDResponse.h"
16#include "AliTRDPIDResponse.h"
17#include "AliTOFPIDResponse.h"
e96b9916 18#include "AliEMCALPIDResponse.h"
29bf19f2 19
20#include "AliVParticle.h"
21#include "AliVTrack.h"
22
23#include "TNamed.h"
24
25class AliVEvent;
4ec8e76d 26class TF1;
29bf19f2 27
28class AliPIDResponse : public TNamed {
29public:
4ec8e76d 30 AliPIDResponse(Bool_t isMC=kFALSE);
31 virtual ~AliPIDResponse();
29bf19f2 32
fd21ec8d 33 enum EDetCode {
34 kDetITS = 0x1,
35 kDetTPC = 0x2,
36 kDetTRD = 0x4,
37 kDetTOF = 0x8,
38 kDetHMPID = 0x10,
39 kDetEMCAL = 0x20,
40 kDetPHOS = 0x40
41 };
42
29bf19f2 43 enum EStartTimeType_t {kFILL_T0,kTOF_T0, kT0_T0, kBest_T0};
fd21ec8d 44
45 enum ITSPIDmethod { kITSTruncMean, kITSLikelihood };
46
47 enum EDetPidStatus {
48 kDetNoSignal=0,
49 kDetPidOk=1,
50 kDetMismatch=2
51 };
29bf19f2 52
53 AliITSPIDResponse &GetITSResponse() {return fITSResponse;}
54 AliTPCPIDResponse &GetTPCResponse() {return fTPCResponse;}
55 AliTOFPIDResponse &GetTOFResponse() {return fTOFResponse;}
56 AliTRDPIDResponse &GetTRDResponse() {return fTRDResponse;}
e96b9916 57 AliEMCALPIDResponse &GetEMCALResponse() {return fEMCALResponse;}
fd21ec8d 58
59 Float_t NumberOfSigmas(EDetCode detCode, const AliVParticle *track, AliPID::EParticleType type) const;
29bf19f2 60
61 virtual Float_t NumberOfSigmasITS(const AliVParticle *track, AliPID::EParticleType type) const;
62 virtual Float_t NumberOfSigmasTPC(const AliVParticle *track, AliPID::EParticleType type) const;
e96b9916 63 virtual Float_t NumberOfSigmasEMCAL(const AliVTrack *track, AliPID::EParticleType type) const;
29bf19f2 64 virtual Float_t NumberOfSigmasTOF(const AliVParticle *track, AliPID::EParticleType type) const = 0;
ea235c90 65 virtual Bool_t IdentifiedAsElectronTRD(const AliVTrack *track, Double_t efficiencyLevel) const;
29bf19f2 66
fd21ec8d 67 EDetPidStatus ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
68
69 EDetPidStatus ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
70 EDetPidStatus ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
71 EDetPidStatus ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
72 EDetPidStatus ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
73 EDetPidStatus ComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
74 EDetPidStatus ComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
75 EDetPidStatus ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
76
77
78 void SetITSPIDmethod(ITSPIDmethod pmeth) { fITSPIDmethod = pmeth; }
4ec8e76d 79 virtual void SetTOFResponse(AliVEvent */*event*/,EStartTimeType_t /*option*/) {;}
ea235c90 80 void SetTRDslicesForPID(UInt_t slice1, UInt_t slice2) {fTRDslicesForPID[0]=slice1;fTRDslicesForPID[1]=slice2;}
81
4ec8e76d 82 void SetOADBPath(const char* path) {fOADBPath=path;}
80f28562 83 const char *GetOADBPath() const {return fOADBPath.Data();}
4ec8e76d 84 void InitialiseEvent(AliVEvent *event, Int_t pass);
ea235c90 85 void SetCurrentFile(const char* file) { fCurrentFile=file; }
4ec8e76d 86
e96b9916 87 AliVEvent * GetCurrentEvent() const {return fCurrentEvent;}
88
fd21ec8d 89 // User settings for the MC period and reco pass
90 void SetMCperiod(const char *mcPeriod) {fMCperiodUser=mcPeriod;}
91 void SetRecoPass(Int_t recoPass) {fRecoPassUser=recoPass;}
80f28562 92
93 // event info
94 Float_t GetCurrentCentrality() const {return fCurrCentrality;};
95
4ec8e76d 96 AliPIDResponse(const AliPIDResponse &other);
97 AliPIDResponse& operator=(const AliPIDResponse &other);
80f28562 98
29bf19f2 99
100protected:
101 AliITSPIDResponse fITSResponse; //PID response function of the ITS
102 AliTPCPIDResponse fTPCResponse; //PID response function of the TPC
103 AliTRDPIDResponse fTRDResponse; //PID response function of the TRD
104 AliTOFPIDResponse fTOFResponse; //PID response function of the TOF
e96b9916 105 AliEMCALPIDResponse fEMCALResponse; //PID response function of the EMCAL
4ec8e76d 106
fd21ec8d 107 Float_t fRange; // nSigma max in likelihood
108 ITSPIDmethod fITSPIDmethod; // 0 = trunc mean; 1 = likelihood
109
4ec8e76d 110private:
111 Bool_t fIsMC; // If we run on MC data
112
113 TString fOADBPath; // OADB path to use
114
115 TString fBeamType; //! beam type (PP) or (PBPB)
116 TString fLHCperiod; //! LHC period
117 TString fMCperiodTPC; //! corresponding MC period to use for the TPC splines
fd21ec8d 118 TString fMCperiodUser; // MC prodution requested by the user
ea235c90 119 TString fCurrentFile; //! name of currently processed file
4ec8e76d 120 Int_t fRecoPass; //! reconstruction pass
fd21ec8d 121 Int_t fRecoPassUser; // reconstruction pass explicitly set by the user
4ec8e76d 122 Int_t fRun; //! current run number
123 Int_t fOldRun; //! current run number
fd21ec8d 124
4ec8e76d 125 TObjArray *fArrPidResponseMaster; //! TPC pid splines
126 TF1 *fResolutionCorrection; //! TPC resolution correction
127
ce487a7f 128 AliTRDPIDParams *fTRDPIDParams; //! TRD PID Params
ea235c90 129 AliTRDPIDReference *fTRDPIDReference; //! TRD PID References
130 UInt_t fTRDslicesForPID[2]; //! TRD PID slices
131
4ec8e76d 132 Int_t fTOFTimeZeroType; //! default start time type for tof (ESD)
133 Float_t fTOFres; //! TOF resolution
e96b9916 134
b2138b40 135 TObjArray *fEMCALPIDParams; //! EMCAL PID Params
136
e96b9916 137 AliVEvent *fCurrentEvent; //! event currently being processed
80f28562 138
139 Float_t fCurrCentrality; //! current centrality
4ec8e76d 140
141 void ExecNewRun();
142
143 //
144 //setup parametrisations
145 //
146
147 //ITS
148 void SetITSParametrisation();
149
150 //TPC
151 void SetTPCPidResponseMaster();
152 void SetTPCParametrisation();
153 Double_t GetTPCMultiplicityBin(const AliVEvent * const event);
154
ea235c90 155 //TRD
156 void SetTRDPidResponseMaster();
157 void InitializeTRDResponse();
158
4ec8e76d 159 //TOF
b2138b40 160
161 //EMCAL
162 void SetEMCALPidResponseMaster();
163 void InitializeEMCALResponse();
164
4ec8e76d 165 //
166 void SetRecoInfo();
29bf19f2 167
80f28562 168 ClassDef(AliPIDResponse,4); //PID response handling
29bf19f2 169};
170
171inline Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const {
172 AliVTrack *track=(AliVTrack*)vtrack;
173 Double_t mom = track->GetTPCmomentum();
174 Double_t sig = track->GetTPCsignal();
175 UInt_t sigN = track->GetTPCsignalN();
176
177 Double_t nSigma = -999.;
178 if (sigN>0) nSigma=fTPCResponse.GetNumberOfSigmas(mom,sig,sigN,type);
179
180 return nSigma;
181}
182
183inline Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const {
184 AliVTrack *track=(AliVTrack*)vtrack;
185 Float_t dEdx=track->GetITSsignal();
186 if (dEdx<=0) return -999.;
187
188 UChar_t clumap=track->GetITSClusterMap();
189 Int_t nPointsForPid=0;
190 for(Int_t i=2; i<6; i++){
191 if(clumap&(1<<i)) ++nPointsForPid;
192 }
193 Float_t mom=track->P();
194 Bool_t isSA=kTRUE;
195 if(track->GetTPCNcls()>0) isSA=kFALSE;
196 return fITSResponse.GetNumberOfSigmas(mom,dEdx,type,nPointsForPid,isSA);
197}
198
199#endif