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 "AliVParticle.h"
15 #include "AliVTrack.h"
17 #include "AliITSPIDResponse.h"
18 #include "AliTPCPIDResponse.h"
19 #include "AliTRDPIDResponse.h"
20 #include "AliTOFPIDResponse.h"
21 #include "AliHMPIDPIDResponse.h"
22 #include "AliEMCALPIDResponse.h"
32 class AliTRDPIDResponseObject;
33 class AliTOFPIDParams;
34 class AliHMPIDPIDParams;
35 class AliOADBContainer;
37 class AliPIDResponse : public TNamed {
39 AliPIDResponse(Bool_t isMC=kFALSE);
40 virtual ~AliPIDResponse();
63 enum EStartTimeType_t {kFILL_T0,kTOF_T0, kT0_T0, kBest_T0};
65 enum ITSPIDmethod { kITSTruncMean, kITSLikelihood };
74 AliITSPIDResponse &GetITSResponse() {return fITSResponse;}
75 AliTPCPIDResponse &GetTPCResponse() {return fTPCResponse;}
76 AliTOFPIDResponse &GetTOFResponse() {return fTOFResponse;}
77 AliTRDPIDResponse &GetTRDResponse() {return fTRDResponse;}
78 AliEMCALPIDResponse &GetEMCALResponse() {return fEMCALResponse;}
80 // -----------------------------------------
85 EDetPidStatus NumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Double_t &val) const;
87 Float_t NumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
89 virtual Float_t NumberOfSigmasITS (const AliVParticle *track, AliPID::EParticleType type) const;
90 virtual Float_t NumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type) const;
91 virtual Float_t NumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type, AliTPCPIDResponse::ETPCdEdxSource dedxSource) const;
92 virtual Float_t NumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const;
93 virtual Float_t NumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type) const;
94 virtual Float_t NumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type, const Float_t /*timeZeroTOF*/) const { return NumberOfSigmasTOF(track,type); }
95 virtual Float_t NumberOfSigmasHMPID(const AliVParticle *track, AliPID::EParticleType type) const;
96 virtual Float_t NumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type) const;
98 Bool_t IdentifiedAsElectronTRD(const AliVTrack *track, Double_t efficiencyLevel,Double_t centrality=-1,AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D) const;
101 EDetPidStatus GetSignalDelta(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
102 Double_t GetSignalDelta(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type, Bool_t ratio=kFALSE) const;
105 EDetPidStatus ComputePIDProbability (EDetCode detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
106 EDetPidStatus ComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
108 virtual EDetPidStatus ComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
109 virtual EDetPidStatus ComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
110 virtual EDetPidStatus ComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
111 virtual EDetPidStatus ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
112 virtual EDetPidStatus ComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
113 virtual EDetPidStatus ComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
114 virtual EDetPidStatus ComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
116 virtual EDetPidStatus ComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod) const;
119 EDetPidStatus CheckPIDStatus(EDetector detCode, const AliVTrack *track) const;
121 Float_t GetTOFMismatchProbability(const AliVTrack *track) const;
123 void SetITSPIDmethod(ITSPIDmethod pmeth) { fITSPIDmethod = pmeth; }
125 void SetOADBPath(const char* path) {fOADBPath=path;}
126 const char *GetOADBPath() const {return fOADBPath.Data();}
128 void SetCustomTPCpidResponse(const char* tpcpid) { fCustomTPCpidResponse = tpcpid; }
129 const char* GetCustomTPCpidResponse() const { return fCustomTPCpidResponse.Data(); }
131 void InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run=-1);
132 void SetCurrentFile(const char* file) { fCurrentFile=file; }
134 // cache PID in the track
135 void SetCachePID(Bool_t cache) { fCachePID=cache; }
136 Bool_t GetCachePID() const { return fCachePID; }
137 void FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const;
138 void FillTrackDetectorPID();
140 AliVEvent * GetCurrentEvent() const {return fCurrentEvent;}
142 // User settings for the MC period and reco pass
143 void SetMCperiod(const char *mcPeriod) {fMCperiodUser=mcPeriod;}
144 void SetRecoPass(Int_t recoPass) {fRecoPassUser=recoPass;}
147 Float_t GetCurrentCentrality() const {return fCurrCentrality;};
150 void SetUseTPCEtaCorrection(Bool_t useEtaCorrection = kTRUE) { fUseTPCEtaCorrection = useEtaCorrection; };
151 Bool_t UseTPCEtaCorrection() const { return fUseTPCEtaCorrection; };
154 void SetTOFtail(Float_t tail=1.1){if(tail > 0) fTOFtail=tail; else printf("TOF tail should be greater than 0 (nothing done)\n");};
155 void SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option);
157 virtual Float_t GetTPCsignalTunedOnData(const AliVTrack *t) const {return t->GetTPCsignal();};
158 virtual Float_t GetTOFsignalTunedOnData(const AliVTrack *t) const {return t->GetTOFsignal();};
159 Bool_t IsTunedOnData() const {return fTuneMConData;};
160 void SetTunedOnData(Bool_t flag=kTRUE,Int_t recoPass=0){fTuneMConData = flag; if(recoPass>0) fRecoPassUser = recoPass;};
161 Int_t GetTunedOnDataMask() const {return fTuneMConDataMask;};
162 void SetTunedOnDataMask(Int_t detMask) {fTuneMConDataMask = detMask;}
164 AliPIDResponse(const AliPIDResponse &other);
165 AliPIDResponse& operator=(const AliPIDResponse &other);
169 AliITSPIDResponse fITSResponse; //PID response function of the ITS
170 AliTPCPIDResponse fTPCResponse; //PID response function of the TPC
171 AliTRDPIDResponse fTRDResponse; //PID response function of the TRD
172 AliTOFPIDResponse fTOFResponse; //PID response function of the TOF
173 AliHMPIDPIDResponse fHMPIDResponse; //PID response function of the HMPID
174 AliEMCALPIDResponse fEMCALResponse; //PID response function of the EMCAL
176 Float_t fRange; // nSigma max in likelihood
177 ITSPIDmethod fITSPIDmethod; // 0 = trunc mean; 1 = likelihood
179 //unbuffered PID calculation
180 virtual Float_t GetNumberOfSigmasTOFold (const AliVParticle */*track*/, AliPID::EParticleType /*type*/) const {return 0;}
181 virtual Float_t GetSignalDeltaTOFold(const AliVParticle */*track*/, AliPID::EParticleType /*type*/, Bool_t /*ratio*/=kFALSE) const {return -9999.;}
183 EDetPidStatus GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D) const;
184 EDetPidStatus GetTOFPIDStatus(const AliVTrack *track) const;
186 Bool_t fTuneMConData; // switch to force the MC to be similar to data
187 Int_t fTuneMConDataMask; // select for which detectors enable MC tuning on data
191 Bool_t fIsMC; // If we run on MC data
194 TString fOADBPath; // OADB path to use
195 TString fCustomTPCpidResponse; // Custom TPC Pid Response file for debugging purposes
197 TString fBeamType; //! beam type (PP) or (PBPB)
198 TString fLHCperiod; //! LHC period
199 TString fMCperiodTPC; //! corresponding MC period to use for the TPC splines
200 TString fMCperiodUser; // MC prodution requested by the user
201 TString fCurrentFile; //! name of currently processed file
202 Int_t fRecoPass; //! reconstruction pass
203 Int_t fRecoPassUser; // reconstruction pass explicitly set by the user
204 Int_t fRun; //! current run number
205 Int_t fOldRun; //! current run number
206 Float_t fResT0A; //! T0A resolution in current run
207 Float_t fResT0C; //! T0C resolution in current run
208 Float_t fResT0AC; //! T0A.and.T0C resolution in current run
210 TObjArray *fArrPidResponseMaster; //! TPC pid splines
211 TF1 *fResolutionCorrection; //! TPC resolution correction
212 AliOADBContainer* fOADBvoltageMaps; //! container with the voltage maps
213 Bool_t fUseTPCEtaCorrection; // Use TPC eta correction
215 AliTRDPIDResponseObject *fTRDPIDResponseObject; //! TRD PID Response Object
217 Float_t fTOFtail; //! TOF tail effect used in TOF probability
218 AliTOFPIDParams *fTOFPIDParams; //! TOF PID Params - period depending (OADB loaded)
220 AliHMPIDPIDParams *fHMPIDPIDParams; //! HMPID PID Params (OADB loaded)
222 TObjArray *fEMCALPIDParams; //! EMCAL PID Params
224 AliVEvent *fCurrentEvent; //! event currently being processed
226 Float_t fCurrCentrality; //! current centrality
232 //setup parametrisations
236 void SetITSParametrisation();
239 void SetTPCEtaMaps(Double_t refineFactorMapX = 6.0, Double_t refineFactorMapY = 6.0, Double_t refineFactorSigmaMapX = 6.0,
240 Double_t refineFactorSigmaMapY = 6.0);
241 void SetTPCPidResponseMaster();
242 void SetTPCParametrisation();
243 Double_t GetTPCMultiplicityBin(const AliVEvent * const event);
245 // TPC helpers for the eta maps
246 void AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY);
247 TH2D* RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX = 6.0, Double_t refineFactorY = 6.0);
250 void SetTRDPidResponseMaster();
251 void InitializeTRDResponse();
252 void SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const;
255 void SetTOFPidResponseMaster();
256 void InitializeTOFResponse();
259 void SetHMPIDPidResponseMaster();
260 void InitializeHMPIDResponse();
263 void SetEMCALPidResponseMaster();
264 void InitializeEMCALResponse();
269 //-------------------------------------------------
270 //unbuffered PID calculation
274 Float_t GetNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
275 Float_t GetNumberOfSigmasITS (const AliVParticle *track, AliPID::EParticleType type) const;
276 Float_t GetNumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type) const;
277 Float_t GetNumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type) const;
278 Float_t GetNumberOfSigmasHMPID(const AliVParticle *track, AliPID::EParticleType type) const;
279 Float_t GetNumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const;
280 Float_t GetNumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type) const;
282 Float_t GetBufferedNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
285 EDetPidStatus GetSignalDeltaITS(const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
286 EDetPidStatus GetSignalDeltaTPC(const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
287 EDetPidStatus GetSignalDeltaTOF(const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
288 EDetPidStatus GetSignalDeltaHMPID(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
291 EDetPidStatus GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
292 EDetPidStatus GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
293 EDetPidStatus GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
294 EDetPidStatus GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
295 EDetPidStatus GetComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
296 EDetPidStatus GetComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
297 EDetPidStatus GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
300 EDetPidStatus GetPIDStatus(EDetector det, const AliVTrack *track) const;
301 EDetPidStatus GetITSPIDStatus(const AliVTrack *track) const;
302 EDetPidStatus GetTPCPIDStatus(const AliVTrack *track) const;
303 EDetPidStatus GetTRDPIDStatus(const AliVTrack *track) const;
304 EDetPidStatus GetHMPIDPIDStatus(const AliVTrack *track) const;
305 EDetPidStatus GetPHOSPIDStatus(const AliVTrack *track) const;
306 EDetPidStatus GetEMCALPIDStatus(const AliVTrack *track) const;
308 ClassDef(AliPIDResponse, 11); //PID response handling