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 */
6 //---------------------------------------------------------------//
7 // Base class for handling the pid response //
8 // functions of all detectors //
9 // and give access to the nsigmas //
11 // Origin: Jens Wiechula, Uni Tuebingen, jens.wiechula@cern.ch //
12 //---------------------------------------------------------------//
14 #include "AliITSPIDResponse.h"
15 #include "AliTPCPIDResponse.h"
16 #include "AliTRDPIDResponse.h"
17 #include "AliTOFPIDResponse.h"
18 #include "AliEMCALPIDResponse.h"
21 #include "AliVParticle.h"
22 #include "AliVTrack.h"
30 class AliTRDPIDResponseObject;
31 class AliTOFPIDParams;
33 class AliPIDResponse : public TNamed {
35 AliPIDResponse(Bool_t isMC=kFALSE);
36 virtual ~AliPIDResponse();
59 enum EStartTimeType_t {kFILL_T0,kTOF_T0, kT0_T0, kBest_T0};
61 enum ITSPIDmethod { kITSTruncMean, kITSLikelihood };
69 AliITSPIDResponse &GetITSResponse() {return fITSResponse;}
70 AliTPCPIDResponse &GetTPCResponse() {return fTPCResponse;}
71 AliTOFPIDResponse &GetTOFResponse() {return fTOFResponse;}
72 AliTRDPIDResponse &GetTRDResponse() {return fTRDResponse;}
73 AliEMCALPIDResponse &GetEMCALResponse() {return fEMCALResponse;}
75 Float_t NumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
76 Float_t NumberOfSigmas(EDetCode detCode, const AliVParticle *track, AliPID::EParticleType type) const;
78 virtual Float_t NumberOfSigmasITS (const AliVParticle *track, AliPID::EParticleType type) const;
79 virtual Float_t NumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type) const;
80 virtual Float_t NumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const;
81 virtual Float_t NumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type) const = 0;
82 virtual Float_t NumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type) const;
84 virtual Bool_t IdentifiedAsElectronTRD(const AliVTrack *track, Double_t efficiencyLevel) const;
86 EDetPidStatus ComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
87 EDetPidStatus ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
89 EDetPidStatus ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
90 EDetPidStatus ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
91 EDetPidStatus ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
92 EDetPidStatus ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
93 EDetPidStatus ComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
94 EDetPidStatus ComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
95 EDetPidStatus ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
97 void SetTRDPIDmethod(AliTRDPIDResponse::ETRDPIDMethod method=AliTRDPIDResponse::kLQ1D);
99 void SetITSPIDmethod(ITSPIDmethod pmeth) { fITSPIDmethod = pmeth; }
100 void SetTRDslicesForPID(UInt_t slice1, UInt_t slice2) {fTRDslicesForPID[0]=slice1;fTRDslicesForPID[1]=slice2;}
102 void SetOADBPath(const char* path) {fOADBPath=path;}
103 const char *GetOADBPath() const {return fOADBPath.Data();}
105 void SetCustomTPCpidResponse(const char* tpcpid) { fCustomTPCpidResponse = tpcpid; }
106 const char* GetCustomTPCpidResponse() const { return fCustomTPCpidResponse.Data(); }
108 void InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run=-1);
109 void SetCurrentFile(const char* file) { fCurrentFile=file; }
111 // cache PID in the track
112 void FillTrackDetectorPID();
114 AliVEvent * GetCurrentEvent() const {return fCurrentEvent;}
116 // User settings for the MC period and reco pass
117 void SetMCperiod(const char *mcPeriod) {fMCperiodUser=mcPeriod;}
118 void SetRecoPass(Int_t recoPass) {fRecoPassUser=recoPass;}
121 Float_t GetCurrentCentrality() const {return fCurrCentrality;};
124 void SetTOFtail(Float_t tail=1.1){if(tail > 0) fTOFtail=tail; else printf("TOF tail should be greater than 0 (nothing done)\n");};
125 void SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option);
127 virtual Float_t GetTPCsignalTunedOnData(const AliVTrack *t) const {return t->GetTPCsignal();};
128 Bool_t IsTunedOnData() const {return fTuneMConData;};
129 void SetTunedOnData(Bool_t flag=kTRUE,Int_t recoPass=0){fTuneMConData = flag; if(recoPass>0) fRecoPassUser = recoPass;};
131 AliPIDResponse(const AliPIDResponse &other);
132 AliPIDResponse& operator=(const AliPIDResponse &other);
136 AliITSPIDResponse fITSResponse; //PID response function of the ITS
137 AliTPCPIDResponse fTPCResponse; //PID response function of the TPC
138 AliTRDPIDResponse fTRDResponse; //PID response function of the TRD
139 AliTOFPIDResponse fTOFResponse; //PID response function of the TOF
140 AliEMCALPIDResponse fEMCALResponse; //PID response function of the EMCAL
142 Float_t fRange; // nSigma max in likelihood
143 ITSPIDmethod fITSPIDmethod; // 0 = trunc mean; 1 = likelihood
146 Bool_t fIsMC; // If we run on MC data
148 TString fOADBPath; // OADB path to use
149 TString fCustomTPCpidResponse; // Custom TPC Pid Response file for debugging purposes
151 TString fBeamType; //! beam type (PP) or (PBPB)
152 TString fLHCperiod; //! LHC period
153 TString fMCperiodTPC; //! corresponding MC period to use for the TPC splines
154 TString fMCperiodUser; // MC prodution requested by the user
155 TString fCurrentFile; //! name of currently processed file
156 Int_t fRecoPass; //! reconstruction pass
157 Int_t fRecoPassUser; // reconstruction pass explicitly set by the user
158 Int_t fRun; //! current run number
159 Int_t fOldRun; //! current run number
161 TObjArray *fArrPidResponseMaster; //! TPC pid splines
162 TF1 *fResolutionCorrection; //! TPC resolution correction
164 AliTRDPIDResponseObject *fTRDPIDResponseObject; //! TRD PID Response Object
165 UInt_t fTRDslicesForPID[2]; //! TRD PID slices
167 Float_t fTOFtail; //! TOF tail effect used in TOF probability
168 AliTOFPIDParams *fTOFPIDParams; //! TOF PID Params - period depending (OADB loaded)
170 TObjArray *fEMCALPIDParams; //! EMCAL PID Params
172 AliVEvent *fCurrentEvent; //! event currently being processed
174 Float_t fCurrCentrality; //! current centrality
176 Bool_t fTuneMConData; // switch to force the MC to be similar to data (dE/dx)
181 //setup parametrisations
185 void SetITSParametrisation();
188 void SetTPCPidResponseMaster();
189 void SetTPCParametrisation();
190 Double_t GetTPCMultiplicityBin(const AliVEvent * const event);
193 void SetTRDPidResponseMaster();
194 void InitializeTRDResponse();
197 void SetTOFPidResponseMaster();
198 void InitializeTOFResponse();
201 void SetEMCALPidResponseMaster();
202 void InitializeEMCALResponse();
207 ClassDef(AliPIDResponse, 9); //PID response handling