EMCAL Response in OADB
[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;}
83 void InitialiseEvent(AliVEvent *event, Int_t pass);
ea235c90 84 void SetCurrentFile(const char* file) { fCurrentFile=file; }
4ec8e76d 85
e96b9916 86 AliVEvent * GetCurrentEvent() const {return fCurrentEvent;}
87
fd21ec8d 88 // User settings for the MC period and reco pass
89 void SetMCperiod(const char *mcPeriod) {fMCperiodUser=mcPeriod;}
90 void SetRecoPass(Int_t recoPass) {fRecoPassUser=recoPass;}
91
4ec8e76d 92 AliPIDResponse(const AliPIDResponse &other);
93 AliPIDResponse& operator=(const AliPIDResponse &other);
29bf19f2 94
95protected:
96 AliITSPIDResponse fITSResponse; //PID response function of the ITS
97 AliTPCPIDResponse fTPCResponse; //PID response function of the TPC
98 AliTRDPIDResponse fTRDResponse; //PID response function of the TRD
99 AliTOFPIDResponse fTOFResponse; //PID response function of the TOF
e96b9916 100 AliEMCALPIDResponse fEMCALResponse; //PID response function of the EMCAL
4ec8e76d 101
fd21ec8d 102 Float_t fRange; // nSigma max in likelihood
103 ITSPIDmethod fITSPIDmethod; // 0 = trunc mean; 1 = likelihood
104
4ec8e76d 105private:
106 Bool_t fIsMC; // If we run on MC data
107
108 TString fOADBPath; // OADB path to use
109
110 TString fBeamType; //! beam type (PP) or (PBPB)
111 TString fLHCperiod; //! LHC period
112 TString fMCperiodTPC; //! corresponding MC period to use for the TPC splines
fd21ec8d 113 TString fMCperiodUser; // MC prodution requested by the user
ea235c90 114 TString fCurrentFile; //! name of currently processed file
4ec8e76d 115 Int_t fRecoPass; //! reconstruction pass
fd21ec8d 116 Int_t fRecoPassUser; // reconstruction pass explicitly set by the user
4ec8e76d 117 Int_t fRun; //! current run number
118 Int_t fOldRun; //! current run number
fd21ec8d 119
4ec8e76d 120 TObjArray *fArrPidResponseMaster; //! TPC pid splines
121 TF1 *fResolutionCorrection; //! TPC resolution correction
122
ce487a7f 123 AliTRDPIDParams *fTRDPIDParams; //! TRD PID Params
ea235c90 124 AliTRDPIDReference *fTRDPIDReference; //! TRD PID References
125 UInt_t fTRDslicesForPID[2]; //! TRD PID slices
126
4ec8e76d 127 Int_t fTOFTimeZeroType; //! default start time type for tof (ESD)
128 Float_t fTOFres; //! TOF resolution
e96b9916 129
b2138b40 130 TObjArray *fEMCALPIDParams; //! EMCAL PID Params
131
e96b9916 132 AliVEvent *fCurrentEvent; //! event currently being processed
4ec8e76d 133
134 void ExecNewRun();
135
136 //
137 //setup parametrisations
138 //
139
140 //ITS
141 void SetITSParametrisation();
142
143 //TPC
144 void SetTPCPidResponseMaster();
145 void SetTPCParametrisation();
146 Double_t GetTPCMultiplicityBin(const AliVEvent * const event);
147
ea235c90 148 //TRD
149 void SetTRDPidResponseMaster();
150 void InitializeTRDResponse();
151
4ec8e76d 152 //TOF
b2138b40 153
154 //EMCAL
155 void SetEMCALPidResponseMaster();
156 void InitializeEMCALResponse();
157
4ec8e76d 158 //
159 void SetRecoInfo();
29bf19f2 160
4ec8e76d 161 ClassDef(AliPIDResponse,2); //PID response handling
29bf19f2 162};
163
164inline Float_t AliPIDResponse::NumberOfSigmasTPC(const AliVParticle *vtrack, AliPID::EParticleType type) const {
165 AliVTrack *track=(AliVTrack*)vtrack;
166 Double_t mom = track->GetTPCmomentum();
167 Double_t sig = track->GetTPCsignal();
168 UInt_t sigN = track->GetTPCsignalN();
169
170 Double_t nSigma = -999.;
171 if (sigN>0) nSigma=fTPCResponse.GetNumberOfSigmas(mom,sig,sigN,type);
172
173 return nSigma;
174}
175
176inline Float_t AliPIDResponse::NumberOfSigmasITS(const AliVParticle *vtrack, AliPID::EParticleType type) const {
177 AliVTrack *track=(AliVTrack*)vtrack;
178 Float_t dEdx=track->GetITSsignal();
179 if (dEdx<=0) return -999.;
180
181 UChar_t clumap=track->GetITSClusterMap();
182 Int_t nPointsForPid=0;
183 for(Int_t i=2; i<6; i++){
184 if(clumap&(1<<i)) ++nPointsForPid;
185 }
186 Float_t mom=track->P();
187 Bool_t isSA=kTRUE;
188 if(track->GetTPCNcls()>0) isSA=kFALSE;
189 return fITSResponse.GetNumberOfSigmas(mom,dEdx,type,nPointsForPid,isSA);
190}
191
192#endif