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 };
72 AliITSPIDResponse &GetITSResponse() {return fITSResponse;}
73 AliTPCPIDResponse &GetTPCResponse() {return fTPCResponse;}
74 AliTOFPIDResponse &GetTOFResponse() {return fTOFResponse;}
75 AliTRDPIDResponse &GetTRDResponse() {return fTRDResponse;}
76 AliEMCALPIDResponse &GetEMCALResponse() {return fEMCALResponse;}
78 // -----------------------------------------
83 EDetPidStatus NumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Double_t &val) const;
85 Float_t NumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
87 virtual Float_t NumberOfSigmasITS (const AliVParticle *track, AliPID::EParticleType type) const;
88 virtual Float_t NumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type) const;
89 virtual Float_t NumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type, AliTPCPIDResponse::ETPCdEdxSource dedxSource) const;
90 virtual Float_t NumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const;
91 virtual Float_t NumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type) const;
92 virtual Float_t NumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type, const Float_t /*timeZeroTOF*/) const { return NumberOfSigmasTOF(track,type); }
93 virtual Float_t NumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type) const;
95 Bool_t IdentifiedAsElectronTRD(const AliVTrack *track, Double_t efficiencyLevel,Double_t centrality=-1,AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D) const;
98 EDetPidStatus ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
99 EDetPidStatus ComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
101 virtual EDetPidStatus ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
102 virtual EDetPidStatus ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
103 virtual EDetPidStatus ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
104 virtual EDetPidStatus ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
105 virtual EDetPidStatus ComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
106 virtual EDetPidStatus ComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
107 virtual EDetPidStatus ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
109 virtual EDetPidStatus ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const;
112 EDetPidStatus CheckPIDStatus(EDetector detCode, const AliVTrack *track) const;
114 void SetITSPIDmethod(ITSPIDmethod pmeth) { fITSPIDmethod = pmeth; }
116 void SetOADBPath(const char* path) {fOADBPath=path;}
117 const char *GetOADBPath() const {return fOADBPath.Data();}
119 void SetCustomTPCpidResponse(const char* tpcpid) { fCustomTPCpidResponse = tpcpid; }
120 const char* GetCustomTPCpidResponse() const { return fCustomTPCpidResponse.Data(); }
122 void InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run=-1);
123 void SetCurrentFile(const char* file) { fCurrentFile=file; }
125 // cache PID in the track
126 void SetCachePID(Bool_t cache) { fCachePID=cache; }
127 Bool_t GetCachePID() const { return fCachePID; }
128 void FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const;
129 void FillTrackDetectorPID();
131 AliVEvent * GetCurrentEvent() const {return fCurrentEvent;}
133 // User settings for the MC period and reco pass
134 void SetMCperiod(const char *mcPeriod) {fMCperiodUser=mcPeriod;}
135 void SetRecoPass(Int_t recoPass) {fRecoPassUser=recoPass;}
138 Float_t GetCurrentCentrality() const {return fCurrCentrality;};
141 void SetUseTPCEtaCorrection(Bool_t useEtaCorrection = kTRUE) { fUseTPCEtaCorrection = useEtaCorrection; };
142 Bool_t UseTPCEtaCorrection() const { return fUseTPCEtaCorrection; };
145 void SetTOFtail(Float_t tail=1.1){if(tail > 0) fTOFtail=tail; else printf("TOF tail should be greater than 0 (nothing done)\n");};
146 void SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option);
148 virtual Float_t GetTPCsignalTunedOnData(const AliVTrack *t) const {return t->GetTPCsignal();};
149 Bool_t IsTunedOnData() const {return fTuneMConData;};
150 void SetTunedOnData(Bool_t flag=kTRUE,Int_t recoPass=0){fTuneMConData = flag; if(recoPass>0) fRecoPassUser = recoPass;};
152 AliPIDResponse(const AliPIDResponse &other);
153 AliPIDResponse& operator=(const AliPIDResponse &other);
157 AliITSPIDResponse fITSResponse; //PID response function of the ITS
158 AliTPCPIDResponse fTPCResponse; //PID response function of the TPC
159 AliTRDPIDResponse fTRDResponse; //PID response function of the TRD
160 AliTOFPIDResponse fTOFResponse; //PID response function of the TOF
161 AliEMCALPIDResponse fEMCALResponse; //PID response function of the EMCAL
163 Float_t fRange; // nSigma max in likelihood
164 ITSPIDmethod fITSPIDmethod; // 0 = trunc mean; 1 = likelihood
166 //unbuffered PID calculation
167 virtual Float_t GetNumberOfSigmasTOFold (const AliVParticle */*track*/, AliPID::EParticleType /*type*/) const {return 0;}
168 EDetPidStatus GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D) const;
169 EDetPidStatus GetTOFPIDStatus(const AliVTrack *track) const;
170 Float_t GetTOFMismatchProbability(const AliVTrack *track) const;
173 Bool_t fIsMC; // If we run on MC data
176 TString fOADBPath; // OADB path to use
177 TString fCustomTPCpidResponse; // Custom TPC Pid Response file for debugging purposes
179 TString fBeamType; //! beam type (PP) or (PBPB)
180 TString fLHCperiod; //! LHC period
181 TString fMCperiodTPC; //! corresponding MC period to use for the TPC splines
182 TString fMCperiodUser; // MC prodution requested by the user
183 TString fCurrentFile; //! name of currently processed file
184 Int_t fRecoPass; //! reconstruction pass
185 Int_t fRecoPassUser; // reconstruction pass explicitly set by the user
186 Int_t fRun; //! current run number
187 Int_t fOldRun; //! current run number
188 Float_t fResT0A; //! T0A resolution in current run
189 Float_t fResT0C; //! T0C resolution in current run
190 Float_t fResT0AC; //! T0A.and.T0C resolution in current run
192 TObjArray *fArrPidResponseMaster; //! TPC pid splines
193 TF1 *fResolutionCorrection; //! TPC resolution correction
194 AliOADBContainer* fOADBvoltageMaps; //! container with the voltage maps
195 Bool_t fUseTPCEtaCorrection; // Use TPC eta correction
197 AliTRDPIDResponseObject *fTRDPIDResponseObject; //! TRD PID Response Object
199 Float_t fTOFtail; //! TOF tail effect used in TOF probability
200 AliTOFPIDParams *fTOFPIDParams; //! TOF PID Params - period depending (OADB loaded)
202 TObjArray *fEMCALPIDParams; //! EMCAL PID Params
204 AliVEvent *fCurrentEvent; //! event currently being processed
206 Float_t fCurrCentrality; //! current centrality
208 Bool_t fTuneMConData; // switch to force the MC to be similar to data (dE/dx)
213 //setup parametrisations
217 void SetITSParametrisation();
220 void SetTPCEtaMaps(Double_t refineFactorMapX = 6.0, Double_t refineFactorMapY = 6.0, Double_t refineFactorSigmaMapX = 6.0,
221 Double_t refineFactorSigmaMapY = 6.0);
222 void SetTPCPidResponseMaster();
223 void SetTPCParametrisation();
224 Double_t GetTPCMultiplicityBin(const AliVEvent * const event);
226 // TPC helpers for the eta maps
227 void AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY);
228 TH2D* RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX = 6.0, Double_t refineFactorY = 6.0);
231 void SetTRDPidResponseMaster();
232 void InitializeTRDResponse();
233 void SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const;
236 void SetTOFPidResponseMaster();
237 void InitializeTOFResponse();
240 void SetEMCALPidResponseMaster();
241 void InitializeEMCALResponse();
246 //-------------------------------------------------
247 //unbuffered PID calculation
251 Float_t GetNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
252 Float_t GetNumberOfSigmasITS (const AliVParticle *track, AliPID::EParticleType type) const;
253 Float_t GetNumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type) const;
254 Float_t GetNumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type) const;
255 Float_t GetNumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const;
256 Float_t GetNumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type) const;
258 Float_t GetBufferedNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
261 EDetPidStatus GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
262 EDetPidStatus GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
263 EDetPidStatus GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
264 EDetPidStatus GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
265 EDetPidStatus GetComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
266 EDetPidStatus GetComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
267 EDetPidStatus GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
270 EDetPidStatus GetPIDStatus(EDetector det, const AliVTrack *track) const;
271 EDetPidStatus GetITSPIDStatus(const AliVTrack *track) const;
272 EDetPidStatus GetTPCPIDStatus(const AliVTrack *track) const;
273 EDetPidStatus GetTRDPIDStatus(const AliVTrack *track) const;
274 EDetPidStatus GetHMPIDPIDStatus(const AliVTrack *track) const;
275 EDetPidStatus GetPHOSPIDStatus(const AliVTrack *track) const;
276 EDetPidStatus GetEMCALPIDStatus(const AliVTrack *track) const;
278 ClassDef(AliPIDResponse, 11); //PID response handling