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"
31 class AliTRDPIDResponseObject;
32 class AliTOFPIDParams;
33 class AliOADBContainer;
35 class AliPIDResponse : public TNamed {
37 AliPIDResponse(Bool_t isMC=kFALSE);
38 virtual ~AliPIDResponse();
61 enum EStartTimeType_t {kFILL_T0,kTOF_T0, kT0_T0, kBest_T0};
63 enum ITSPIDmethod { kITSTruncMean, kITSLikelihood };
71 AliITSPIDResponse &GetITSResponse() {return fITSResponse;}
72 AliTPCPIDResponse &GetTPCResponse() {return fTPCResponse;}
73 AliTOFPIDResponse &GetTOFResponse() {return fTOFResponse;}
74 AliTRDPIDResponse &GetTRDResponse() {return fTRDResponse;}
75 AliEMCALPIDResponse &GetEMCALResponse() {return fEMCALResponse;}
77 //buffered PID calculation
78 Float_t NumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
79 Float_t NumberOfSigmas(EDetCode detCode, const AliVParticle *track, AliPID::EParticleType type) const;
81 virtual Float_t NumberOfSigmasITS (const AliVParticle *track, AliPID::EParticleType type) const;
82 virtual Float_t NumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type) const;
83 virtual Float_t NumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type, AliTPCPIDResponse::ETPCdEdxSource dedxSource) const;
84 virtual Float_t NumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const;
85 virtual Float_t NumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type) const;
86 virtual Float_t NumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type) const;
88 Bool_t IdentifiedAsElectronTRD(const AliVTrack *track, Double_t efficiencyLevel,Double_t centrality=-1,AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D) const;
90 EDetPidStatus ComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
91 EDetPidStatus ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
93 virtual EDetPidStatus ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
94 virtual EDetPidStatus ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
95 virtual EDetPidStatus ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
96 virtual EDetPidStatus ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D) const;
97 virtual EDetPidStatus ComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
98 virtual EDetPidStatus ComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
99 virtual EDetPidStatus ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
101 void SetITSPIDmethod(ITSPIDmethod pmeth) { fITSPIDmethod = pmeth; }
103 void SetOADBPath(const char* path) {fOADBPath=path;}
104 const char *GetOADBPath() const {return fOADBPath.Data();}
106 void SetCustomTPCpidResponse(const char* tpcpid) { fCustomTPCpidResponse = tpcpid; }
107 const char* GetCustomTPCpidResponse() const { return fCustomTPCpidResponse.Data(); }
109 void InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run=-1);
110 void SetCurrentFile(const char* file) { fCurrentFile=file; }
112 // cache PID in the track
113 void SetCachePID(Bool_t cache) { fCachePID=cache; }
114 Bool_t GetCachePID() const { return fCachePID; }
115 void FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const;
116 void FillTrackDetectorPID();
118 AliVEvent * GetCurrentEvent() const {return fCurrentEvent;}
120 // User settings for the MC period and reco pass
121 void SetMCperiod(const char *mcPeriod) {fMCperiodUser=mcPeriod;}
122 void SetRecoPass(Int_t recoPass) {fRecoPassUser=recoPass;}
125 Float_t GetCurrentCentrality() const {return fCurrCentrality;};
128 void SetUseTPCEtaCorrection(Bool_t useEtaCorrection = kTRUE) { fUseTPCEtaCorrection = useEtaCorrection; };
129 Bool_t UseTPCEtaCorrection() const { return fUseTPCEtaCorrection; };
132 void SetTOFtail(Float_t tail=1.1){if(tail > 0) fTOFtail=tail; else printf("TOF tail should be greater than 0 (nothing done)\n");};
133 void SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option);
135 virtual Float_t GetTPCsignalTunedOnData(const AliVTrack *t) const {return t->GetTPCsignal();};
136 Bool_t IsTunedOnData() const {return fTuneMConData;};
137 void SetTunedOnData(Bool_t flag=kTRUE,Int_t recoPass=0){fTuneMConData = flag; if(recoPass>0) fRecoPassUser = recoPass;};
139 AliPIDResponse(const AliPIDResponse &other);
140 AliPIDResponse& operator=(const AliPIDResponse &other);
144 AliITSPIDResponse fITSResponse; //PID response function of the ITS
145 AliTPCPIDResponse fTPCResponse; //PID response function of the TPC
146 AliTRDPIDResponse fTRDResponse; //PID response function of the TRD
147 AliTOFPIDResponse fTOFResponse; //PID response function of the TOF
148 AliEMCALPIDResponse fEMCALResponse; //PID response function of the EMCAL
150 Float_t fRange; // nSigma max in likelihood
151 ITSPIDmethod fITSPIDmethod; // 0 = trunc mean; 1 = likelihood
153 //unbuffered PID calculation
154 virtual Float_t GetNumberOfSigmasTOF (const AliVParticle */*track*/, AliPID::EParticleType /*type*/) const {return 0;}
155 EDetPidStatus GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D) const;
158 Bool_t fIsMC; // If we run on MC data
161 TString fOADBPath; // OADB path to use
162 TString fCustomTPCpidResponse; // Custom TPC Pid Response file for debugging purposes
164 TString fBeamType; //! beam type (PP) or (PBPB)
165 TString fLHCperiod; //! LHC period
166 TString fMCperiodTPC; //! corresponding MC period to use for the TPC splines
167 TString fMCperiodUser; // MC prodution requested by the user
168 TString fCurrentFile; //! name of currently processed file
169 Int_t fRecoPass; //! reconstruction pass
170 Int_t fRecoPassUser; // reconstruction pass explicitly set by the user
171 Int_t fRun; //! current run number
172 Int_t fOldRun; //! current run number
173 Float_t fResT0A; //! T0A resolution in current run
174 Float_t fResT0C; //! T0C resolution in current run
175 Float_t fResT0AC; //! T0A.and.T0C resolution in current run
177 TObjArray *fArrPidResponseMaster; //! TPC pid splines
178 TF1 *fResolutionCorrection; //! TPC resolution correction
179 AliOADBContainer* fOADBvoltageMaps; //! container with the voltage maps
180 Bool_t fUseTPCEtaCorrection; // Use TPC eta correction
182 AliTRDPIDResponseObject *fTRDPIDResponseObject; //! TRD PID Response Object
184 Float_t fTOFtail; //! TOF tail effect used in TOF probability
185 AliTOFPIDParams *fTOFPIDParams; //! TOF PID Params - period depending (OADB loaded)
187 TObjArray *fEMCALPIDParams; //! EMCAL PID Params
189 AliVEvent *fCurrentEvent; //! event currently being processed
191 Float_t fCurrCentrality; //! current centrality
193 Bool_t fTuneMConData; // switch to force the MC to be similar to data (dE/dx)
198 //setup parametrisations
202 void SetITSParametrisation();
205 void SetTPCEtaMaps(Double_t refineFactorMapX = 6.0, Double_t refineFactorMapY = 6.0, Double_t refineFactorSigmaMapX = 6.0,
206 Double_t refineFactorSigmaMapY = 6.0);
207 void SetTPCPidResponseMaster();
208 void SetTPCParametrisation();
209 Double_t GetTPCMultiplicityBin(const AliVEvent * const event);
211 // TPC helpers for the eta maps
212 void AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY);
213 TH2D* RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX = 6.0, Double_t refineFactorY = 6.0);
216 void SetTRDPidResponseMaster();
217 void InitializeTRDResponse();
218 void SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const;
221 void SetTOFPidResponseMaster();
222 void InitializeTOFResponse();
225 void SetEMCALPidResponseMaster();
226 void InitializeEMCALResponse();
231 //unbuffered PID calculation
232 Float_t GetNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
233 Float_t GetNumberOfSigmasITS (const AliVParticle *track, AliPID::EParticleType type) const;
234 Float_t GetNumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type) const;
235 Float_t GetNumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const;
236 Float_t GetNumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type) const;
238 EDetPidStatus GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
239 EDetPidStatus GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
240 EDetPidStatus GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
241 EDetPidStatus GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
242 EDetPidStatus GetComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
243 EDetPidStatus GetComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
244 EDetPidStatus GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
246 ClassDef(AliPIDResponse, 11); //PID response handling