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, 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 AliTOFPIDParams *GetTOFPIDParams() const {return fTOFPIDParams;}
122 Float_t GetTOFMismatchProbability(const AliVTrack *track) const;
124 void SetITSPIDmethod(ITSPIDmethod pmeth) { fITSPIDmethod = pmeth; }
126 void SetOADBPath(const char* path) {fOADBPath=path;}
127 const char *GetOADBPath() const {return fOADBPath.Data();}
129 void SetCustomTPCpidResponse(const char* tpcpid) { fCustomTPCpidResponse = tpcpid; }
130 const char* GetCustomTPCpidResponse() const { return fCustomTPCpidResponse.Data(); }
132 void InitialiseEvent(AliVEvent *event, Int_t pass, Int_t run=-1);
133 void SetCurrentFile(const char* file) { fCurrentFile=file; }
135 void SetCurrentAliRootRev(Int_t alirootRev) { fCurrentAliRootRev = alirootRev; }
136 Int_t GetCurrentAliRootRev() const { return fCurrentAliRootRev; }
138 // cache PID in the track
139 void SetCachePID(Bool_t cache) { fCachePID=cache; }
140 Bool_t GetCachePID() const { return fCachePID; }
141 void FillTrackDetectorPID(const AliVTrack *track, EDetector detector) const;
142 void FillTrackDetectorPID();
144 AliVEvent * GetCurrentEvent() const {return fCurrentEvent;}
146 // User settings for the MC period and reco pass
147 void SetMCperiod(const char *mcPeriod) {fMCperiodUser=mcPeriod;}
148 void SetRecoPass(Int_t recoPass) {fRecoPassUser=recoPass;}
151 Float_t GetCurrentCentrality() const {return fCurrCentrality;};
152 void SetCurrentCentrality(Float_t centrality) {fCurrCentrality=centrality;fEMCALResponse.SetCentrality(fCurrCentrality);};
154 void SetUseTPCEtaCorrection(Bool_t useEtaCorrection = kTRUE) { fUseTPCEtaCorrection = useEtaCorrection; };
155 Bool_t UseTPCEtaCorrection() const { return fUseTPCEtaCorrection; };
157 void SetUseTPCMultiplicityCorrection(Bool_t useMultiplicityCorrection = kTRUE) { fUseTPCMultiplicityCorrection = useMultiplicityCorrection; };
158 Bool_t UseTPCMultiplicityCorrection() const { return fUseTPCMultiplicityCorrection; };
161 void SetTOFtail(Float_t tail=0.9){if(tail > 0) fTOFtail=tail; else printf("TOF tail should be greater than 0 (nothing done)\n");};
162 void SetTOFResponse(AliVEvent *vevent,EStartTimeType_t option);
164 virtual Float_t GetTPCsignalTunedOnData(const AliVTrack *t) const {return t->GetTPCsignal();};
165 virtual Float_t GetTOFsignalTunedOnData(const AliVTrack *t) const {return t->GetTOFsignal();};
166 Bool_t IsTunedOnData() const {return fTuneMConData;};
167 void SetTunedOnData(Bool_t flag=kTRUE,Int_t recoPass=0){fTuneMConData = flag; if(recoPass>0) fRecoPassUser = recoPass;};
168 Int_t GetTunedOnDataMask() const {return fTuneMConDataMask;};
169 void SetTunedOnDataMask(Int_t detMask) {fTuneMConDataMask = detMask;}
172 TString GetChecksum(const TObject* obj) const;
174 AliPIDResponse(const AliPIDResponse &other);
175 AliPIDResponse& operator=(const AliPIDResponse &other);
179 AliITSPIDResponse fITSResponse; //PID response function of the ITS
180 AliTPCPIDResponse fTPCResponse; //PID response function of the TPC
181 AliTRDPIDResponse fTRDResponse; //PID response function of the TRD
182 AliTOFPIDResponse fTOFResponse; //PID response function of the TOF
183 AliHMPIDPIDResponse fHMPIDResponse; //PID response function of the HMPID
184 AliEMCALPIDResponse fEMCALResponse; //PID response function of the EMCAL
186 Float_t fRange; // nSigma max in likelihood
187 ITSPIDmethod fITSPIDmethod; // 0 = trunc mean; 1 = likelihood
189 //unbuffered PID calculation
190 virtual Float_t GetNumberOfSigmasTOFold (const AliVParticle */*track*/, AliPID::EParticleType /*type*/) const {return 0;}
191 virtual Float_t GetSignalDeltaTOFold(const AliVParticle */*track*/, AliPID::EParticleType /*type*/, Bool_t /*ratio*/=kFALSE) const {return -9999.;}
193 EDetPidStatus GetComputeTRDProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[],AliTRDPIDResponse::ETRDPIDMethod PIDmethod=AliTRDPIDResponse::kLQ1D) const;
194 EDetPidStatus GetTOFPIDStatus(const AliVTrack *track) const;
196 Bool_t fTuneMConData; // switch to force the MC to be similar to data
197 Int_t fTuneMConDataMask; // select for which detectors enable MC tuning on data
201 Bool_t fIsMC; // If we run on MC data
204 TString fOADBPath; // OADB path to use
205 TString fCustomTPCpidResponse; // Custom TPC Pid Response file for debugging purposes
207 TString fBeamType; //! beam type (PP) or (PBPB)
208 TString fLHCperiod; //! LHC period
209 TString fMCperiodTPC; //! corresponding MC period to use for the TPC splines
210 TString fMCperiodUser; // MC prodution requested by the user
211 TString fCurrentFile; //! name of currently processed file
212 Int_t fCurrentAliRootRev; //! Aliroot rev. used to reconstruct the data
213 Int_t fRecoPass; //! reconstruction pass
214 Int_t fRecoPassUser; // reconstruction pass explicitly set by the user
215 Int_t fRun; //! current run number
216 Int_t fOldRun; //! current run number
217 Float_t fResT0A; //! T0A resolution in current run
218 Float_t fResT0C; //! T0C resolution in current run
219 Float_t fResT0AC; //! T0A.and.T0C resolution in current run
221 TObjArray *fArrPidResponseMaster; //! TPC pid splines
222 TF1 *fResolutionCorrection; //! TPC resolution correction
223 AliOADBContainer* fOADBvoltageMaps; //! container with the voltage maps
224 Bool_t fUseTPCEtaCorrection; // Use TPC eta correction
225 Bool_t fUseTPCMultiplicityCorrection; // Use TPC multiplicity correction
227 AliTRDPIDResponseObject *fTRDPIDResponseObject; //! TRD PID Response Object
229 Float_t fTOFtail; //! TOF tail effect used in TOF probability
230 AliTOFPIDParams *fTOFPIDParams; //! TOF PID Params - period depending (OADB loaded)
232 AliHMPIDPIDParams *fHMPIDPIDParams; //! HMPID PID Params (OADB loaded)
234 TObjArray *fEMCALPIDParams; //! EMCAL PID Params
236 AliVEvent *fCurrentEvent; //! event currently being processed
238 Float_t fCurrCentrality; //! current centrality
244 //setup parametrisations
248 void SetITSParametrisation();
251 void SetTPCEtaMaps(Double_t refineFactorMapX = 6.0, Double_t refineFactorMapY = 6.0, Double_t refineFactorSigmaMapX = 6.0,
252 Double_t refineFactorSigmaMapY = 6.0);
253 void SetTPCPidResponseMaster();
254 void SetTPCParametrisation();
255 Double_t GetTPCMultiplicityBin(const AliVEvent * const event);
257 // TPC helpers for the eta maps
258 void AddPointToHyperplane(TH2D* h, TLinearFitter* linExtrapolation, Int_t binX, Int_t binY);
259 TH2D* RefineHistoViaLinearInterpolation(TH2D* h, Double_t refineFactorX = 6.0, Double_t refineFactorY = 6.0);
262 void SetTRDPidResponseMaster();
263 void InitializeTRDResponse();
264 void SetTRDSlices(UInt_t TRDslicesForPID[2],AliTRDPIDResponse::ETRDPIDMethod method) const;
267 void SetTOFPidResponseMaster();
268 void InitializeTOFResponse();
271 void SetHMPIDPidResponseMaster();
272 void InitializeHMPIDResponse();
275 void SetEMCALPidResponseMaster();
276 void InitializeEMCALResponse();
281 //-------------------------------------------------
282 //unbuffered PID calculation
286 Float_t GetNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
287 Float_t GetNumberOfSigmasITS (const AliVParticle *track, AliPID::EParticleType type) const;
288 Float_t GetNumberOfSigmasTPC (const AliVParticle *track, AliPID::EParticleType type) const;
289 Float_t GetNumberOfSigmasTOF (const AliVParticle *track, AliPID::EParticleType type) const;
290 Float_t GetNumberOfSigmasHMPID(const AliVParticle *track, AliPID::EParticleType type) const;
291 Float_t GetNumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type, Double_t &eop, Double_t showershape[4]) const;
292 Float_t GetNumberOfSigmasEMCAL(const AliVParticle *track, AliPID::EParticleType type) const;
294 Float_t GetBufferedNumberOfSigmas(EDetector detCode, const AliVParticle *track, AliPID::EParticleType type) const;
297 EDetPidStatus GetSignalDeltaITS(const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
298 EDetPidStatus GetSignalDeltaTPC(const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
299 EDetPidStatus GetSignalDeltaTOF(const AliVParticle *track, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
300 EDetPidStatus GetSignalDeltaHMPID(const AliVParticle *vtrack, AliPID::EParticleType type, Double_t &val, Bool_t ratio=kFALSE) const;
303 EDetPidStatus GetComputePIDProbability (EDetector detCode, const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
304 EDetPidStatus GetComputeITSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
305 EDetPidStatus GetComputeTPCProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
306 EDetPidStatus GetComputeTOFProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
307 EDetPidStatus GetComputeEMCALProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
308 EDetPidStatus GetComputePHOSProbability (const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
309 EDetPidStatus GetComputeHMPIDProbability(const AliVTrack *track, Int_t nSpecies, Double_t p[]) const;
312 EDetPidStatus GetPIDStatus(EDetector det, const AliVTrack *track) const;
313 EDetPidStatus GetITSPIDStatus(const AliVTrack *track) const;
314 EDetPidStatus GetTPCPIDStatus(const AliVTrack *track) const;
315 EDetPidStatus GetTRDPIDStatus(const AliVTrack *track) const;
316 EDetPidStatus GetHMPIDPIDStatus(const AliVTrack *track) const;
317 EDetPidStatus GetPHOSPIDStatus(const AliVTrack *track) const;
318 EDetPidStatus GetEMCALPIDStatus(const AliVTrack *track) const;
320 ClassDef(AliPIDResponse, 12); //PID response handling