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b2a297fa | 1 | #ifndef ALIDIELECTRON_H |
2 | #define ALIDIELECTRON_H | |
3 | /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | //##################################################### | |
7 | //# # | |
8 | //# Class AliDielectron # | |
9 | //# Main Class for e+e- analysis # | |
10 | //# # | |
11 | //# by WooJin J. Park, GSI / W.J.Park@gsi.de # | |
12 | //# Ionut C. Arsene, GSI / I.C.Arsene@gsi.de # | |
13 | //# Magnus Mager, CERN / Magnus.Mager@cern.ch # | |
14 | //# Jens Wiechula, Uni HD / Jens.Wiechula@cern.ch # | |
15 | //# # | |
16 | //##################################################### | |
17 | ||
18 | ||
19 | #include <TNamed.h> | |
20 | #include <TObjArray.h> | |
0b369e55 | 21 | #include <THnBase.h> |
746e66a9 | 22 | #include <TSpline.h> |
b2a297fa | 23 | |
24 | #include <AliAnalysisFilter.h> | |
25 | #include <AliKFParticle.h> | |
26 | ||
27 | #include "AliDielectronHistos.h" | |
620b34a5 | 28 | #include "AliDielectronHF.h" |
d8bb1abe | 29 | #include "AliDielectronCutQA.h" |
b2a297fa | 30 | |
5720c765 | 31 | class AliEventplane; |
b2a297fa | 32 | class AliVEvent; |
ba15fdfb | 33 | class AliMCEvent; |
b2a297fa | 34 | class THashList; |
35 | class AliDielectronCF; | |
572b0139 | 36 | class AliDielectronDebugTree; |
2a14a7b1 | 37 | class AliDielectronTrackRotator; |
ffbede40 | 38 | class AliDielectronPair; |
ba15fdfb | 39 | class AliDielectronSignalMC; |
5720c765 | 40 | class AliDielectronMixingHandler; |
b2a297fa | 41 | |
42 | //________________________________________________________________ | |
43 | class AliDielectron : public TNamed { | |
5720c765 | 44 | |
45 | friend class AliDielectronMixingHandler; //mixing as friend class | |
46 | ||
b2a297fa | 47 | public: |
2a14a7b1 | 48 | enum EPairType { kEv1PP=0, kEv1PM, kEv1MM, |
49 | kEv1PEv2P, kEv1MEv2P, kEv2PP, | |
50 | kEv1PEv2M, kEv1MEv2M, kEv2PM, | |
51 | kEv2MM, kEv1PMRot }; | |
52 | enum ELegType { kEv1P, kEv1M, kEv2P, kEv2M }; | |
b2a297fa | 53 | |
54 | AliDielectron(); | |
55 | AliDielectron(const char* name, const char* title); | |
56 | virtual ~AliDielectron(); | |
57 | ||
58 | void Init(); | |
42c76bea | 59 | |
60 | void Process(/*AliVEvent *ev1, */TObjArray *arr); | |
61 | Bool_t Process(AliVEvent *ev1, AliVEvent *ev2=0); | |
b2a297fa | 62 | |
b2a297fa | 63 | const AliAnalysisFilter& GetEventFilter() const { return fEventFilter; } |
64 | const AliAnalysisFilter& GetTrackFilter() const { return fTrackFilter; } | |
65 | const AliAnalysisFilter& GetPairFilter() const { return fPairFilter; } | |
66 | ||
61d106d3 | 67 | AliAnalysisFilter& GetEventFilter() { return fEventFilter; } |
68 | AliAnalysisFilter& GetTrackFilter() { return fTrackFilter; } | |
69 | AliAnalysisFilter& GetPairFilter() { return fPairFilter; } | |
70 | AliAnalysisFilter& GetPairPreFilter() { return fPairPreFilter; } | |
71 | AliAnalysisFilter& GetPairPreFilterLegs() { return fPairPreFilterLegs; } | |
5720c765 | 72 | AliAnalysisFilter& GetEventPlanePreFilter(){ return fEventPlanePreFilter; } |
73 | AliAnalysisFilter& GetEventPlanePOIPreFilter(){ return fEventPlanePOIPreFilter; } | |
74 | ||
8df8e382 | 75 | void SetMotherPdg( Int_t pdgMother ) { fPdgMother=pdgMother; } |
76 | void SetLegPdg(Int_t pdgLeg1, Int_t pdgLeg2) { fPdgLeg1=pdgLeg1; fPdgLeg2=pdgLeg2; } | |
77 | Int_t GetMotherPdg() const { return fPdgMother; } | |
78 | Int_t GetLeg1Pdg() const { return fPdgLeg1; } | |
79 | Int_t GetLeg2Pdg() const { return fPdgLeg2; } | |
554e40f8 | 80 | |
d8bb1abe | 81 | void SetCutQA(Bool_t qa=kTRUE) { fCutQA=qa; } |
554e40f8 | 82 | void SetNoPairing(Bool_t noPairing=kTRUE) { fNoPairing=noPairing; } |
5156b880 | 83 | void SetProcessLS(Bool_t doLS=kTRUE) { fProcessLS=doLS; } |
08b801a6 | 84 | void SetUseKF(Bool_t useKF=kTRUE) { fUseKF=useKF; } |
b2a297fa | 85 | const TObjArray* GetTrackArray(Int_t i) const {return (i>=0&&i<4)?&fTracks[i]:0;} |
5720c765 | 86 | const TObjArray* GetPairArray(Int_t i) const {return (i>=0&&i<11)? |
b2a297fa | 87 | static_cast<TObjArray*>(fPairCandidates->UncheckedAt(i)):0;} |
88 | ||
89 | TObjArray** GetPairArraysPointer() { return &fPairCandidates; } | |
42c76bea | 90 | void SetPairArraysPointer( TObjArray *arr) { fPairCandidates=arr; } |
620b34a5 | 91 | void SetHistogramArray(AliDielectronHF * const histoarray) { fHistoArray=histoarray; } |
92 | const TObjArray * GetHistogramArray() const { return fHistoArray?fHistoArray->GetHistArray():0x0; } | |
d8bb1abe | 93 | const TObjArray * GetQAHistArray() const { return fQAmonitor?fQAmonitor->GetQAHistArray():0x0; } |
620b34a5 | 94 | |
b2a297fa | 95 | void SetHistogramManager(AliDielectronHistos * const histos) { fHistos=histos; } |
c8f0f810 | 96 | AliDielectronHistos* GetHistoManager() const { return fHistos; } |
b2a297fa | 97 | const THashList * GetHistogramList() const { return fHistos?fHistos->GetHistogramList():0x0; } |
98 | ||
99 | Bool_t HasCandidates() const { return GetPairArray(1)?GetPairArray(1)->GetEntriesFast()>0:0; } | |
fb7d2d99 | 100 | Bool_t HasCandidatesLikeSign() const { |
101 | return (GetPairArray(0)&&GetPairArray(2)) ? (GetPairArray(0)->GetEntriesFast()>0 || GetPairArray(2)->GetEntriesFast()>0) : 0; | |
102 | } | |
103 | ||
5720c765 | 104 | Bool_t HasCandidatesTR() const {return GetPairArray(10)?GetPairArray(10)->GetEntriesFast()>0:0;} |
b2a297fa | 105 | void SetCFManagerPair(AliDielectronCF * const cf) { fCfManagerPair=cf; } |
106 | AliDielectronCF* GetCFManagerPair() const { return fCfManagerPair; } | |
572b0139 | 107 | |
5720c765 | 108 | void SetPreFilterEventPlane(Bool_t setValue=kTRUE){fPreFilterEventPlane=setValue;}; |
109 | void SetLikeSignSubEvents(Bool_t setValue=kTRUE){fLikeSignSubEvents=setValue;}; | |
554e40f8 | 110 | void SetPreFilterUnlikeOnly(Bool_t setValue=kTRUE){fPreFilterUnlikeOnly=setValue;}; |
ba15fdfb | 111 | void SetPreFilterAllSigns(Bool_t setValue=kTRUE){fPreFilterAllSigns=setValue;}; |
554e40f8 | 112 | |
2a14a7b1 | 113 | void SetTrackRotator(AliDielectronTrackRotator * const rot) { fTrackRotator=rot; } |
114 | AliDielectronTrackRotator* GetTrackRotator() const { return fTrackRotator; } | |
fb7d2d99 | 115 | |
5720c765 | 116 | void SetMixingHandler(AliDielectronMixingHandler *mix) { fMixing=mix; } |
117 | AliDielectronMixingHandler* GetMixingHandler() const { return fMixing; } | |
118 | ||
fb7d2d99 | 119 | void SetHasMC(Bool_t hasMC) { fHasMC = hasMC; } |
120 | Bool_t GetHasMC() const { return fHasMC; } | |
ba15fdfb | 121 | |
5720c765 | 122 | void SetStoreRotatedPairs(Bool_t storeTR) {fStoreRotatedPairs = storeTR;} |
2e02dba4 | 123 | void SetDontClearArrays(Bool_t dontClearArrays=kTRUE) { fDontClearArrays=dontClearArrays; } |
42c76bea | 124 | Bool_t DontClearArrays() const { return fDontClearArrays; } |
5720c765 | 125 | |
ba15fdfb | 126 | void AddSignalMC(AliDielectronSignalMC* signal); |
127 | ||
572b0139 | 128 | void SetDebugTree(AliDielectronDebugTree * const tree) { fDebugTree=tree; } |
c8f0f810 | 129 | |
130 | const TObjArray* GetMCSignals() const { return fSignalsMC; } | |
b2a297fa | 131 | static const char* TrackClassName(Int_t i) { return (i>=0&&i<4)?fgkTrackClassNames[i]:""; } |
2a14a7b1 | 132 | static const char* PairClassName(Int_t i) { return (i>=0&&i<11)?fgkPairClassNames[i]:""; } |
572b0139 | 133 | |
5720c765 | 134 | void SetEstimatorFilename(const Char_t* filename) {fEstimatorFilename = filename;} |
135 | void SetTRDcorrectionFilename(const Char_t* filename) {fTRDpidCorrectionFilename = filename;} | |
a823f01b | 136 | void SetVZEROCalibrationFilename(const Char_t* filename) {fVZEROCalibrationFilename = filename;} |
137 | void SetVZERORecenteringFilename(const Char_t* filename) {fVZERORecenteringFilename = filename;} | |
36a1e727 | 138 | void SetZDCRecenteringFilename(const Char_t* filename) {fZDCRecenteringFilename = filename;} |
0b369e55 JB |
139 | void InitLegEffMap(TString filename) { fLegEffMap=InitEffMap(filename) ;} |
140 | void InitPairEffMap(TString filename) { fPairEffMap=InitEffMap(filename) ;} | |
36a1e727 | 141 | |
30f9a393 JB |
142 | void SetCentroidCorrFunction(TF1 *fun, UInt_t varx, UInt_t vary=0, UInt_t varz=0); |
143 | void SetWidthCorrFunction(TF1 *fun, UInt_t varx, UInt_t vary=0, UInt_t varz=0); | |
144 | ||
572b0139 | 145 | void SaveDebugTree(); |
42c76bea | 146 | Bool_t DoEventProcess() const { return fEventProcess; } |
147 | void SetEventProcess(Bool_t setValue=kTRUE) { fEventProcess=setValue; } | |
148 | void FillHistogramsFromPairArray(Bool_t pairInfoOnly=kFALSE); | |
b2a297fa | 149 | |
5720c765 | 150 | private: |
d8bb1abe | 151 | |
152 | Bool_t fCutQA; // monitor cuts | |
153 | AliDielectronCutQA *fQAmonitor; // monitoring of cuts | |
9ad9e048 | 154 | TH1 *fPostPIDCntrdCorr; // post pid correction object for centroids |
155 | TH1 *fPostPIDWdthCorr; // post pid correction object for widths | |
746e66a9 | 156 | TObject *fLegEffMap; // single electron efficiency map |
157 | TObject *fPairEffMap; // pair efficiency map | |
61d106d3 | 158 | AliAnalysisFilter fEventFilter; // Event cuts |
159 | AliAnalysisFilter fTrackFilter; // leg cuts | |
160 | AliAnalysisFilter fPairPreFilter; // pair prefilter cuts | |
161 | AliAnalysisFilter fPairPreFilterLegs; // Leg filter after the pair prefilter cuts | |
162 | AliAnalysisFilter fPairFilter; // pair cuts | |
5720c765 | 163 | AliAnalysisFilter fEventPlanePreFilter; // event plane prefilter cuts |
164 | AliAnalysisFilter fEventPlanePOIPreFilter; // PoI cuts in the event plane prefilter | |
165 | ||
b2a297fa | 166 | Int_t fPdgMother; // pdg code of mother tracks |
8df8e382 | 167 | Int_t fPdgLeg1; // pdg code leg1 |
168 | Int_t fPdgLeg2; // pdg code leg2 | |
554e40f8 | 169 | |
ba15fdfb | 170 | TObjArray* fSignalsMC; // array of AliDielectronSignalMC |
171 | ||
554e40f8 | 172 | Bool_t fNoPairing; // if to skip pairing, can be used for track QA only |
5156b880 | 173 | Bool_t fProcessLS; // do the like-sign pairing (default kTRUE) |
08b801a6 | 174 | Bool_t fUseKF; // if to skip pairing, can be used for track QA only |
620b34a5 | 175 | |
176 | AliDielectronHF *fHistoArray; // Histogram framework | |
b2a297fa | 177 | AliDielectronHistos *fHistos; // Histogram manager |
178 | // Streaming and merging should be handled | |
179 | // by the analysis framework | |
a94c2e7e | 180 | TBits *fUsedVars; // used variables |
181 | ||
b2a297fa | 182 | TObjArray fTracks[4]; //! Selected track candidates |
183 | // 0: Event1, positive particles | |
184 | // 1: Event1, negative particles | |
185 | // 2: Event2, positive particles | |
186 | // 3: Event2, negative particles | |
187 | ||
188 | TObjArray *fPairCandidates; //! Pair candidate arrays | |
189 | //TODO: better way to store it? TClonesArray? | |
190 | ||
191 | AliDielectronCF *fCfManagerPair;//Correction Framework Manager for the Pair | |
2a14a7b1 | 192 | AliDielectronTrackRotator *fTrackRotator; //Track rotator |
572b0139 | 193 | AliDielectronDebugTree *fDebugTree; // Debug tree output |
5720c765 | 194 | AliDielectronMixingHandler *fMixing; // handler for event mixing |
554e40f8 | 195 | |
5720c765 | 196 | Bool_t fPreFilterEventPlane; //Filter for the Eventplane determination in TPC |
197 | Bool_t fLikeSignSubEvents; //Option for dividing into subevents, sub1 ++ sub2 -- | |
554e40f8 | 198 | Bool_t fPreFilterUnlikeOnly; //Apply PreFilter either in +- or to ++/--/+- individually |
5720c765 | 199 | Bool_t fPreFilterAllSigns; //Apply PreFilter find in ++/--/+- and remove from all |
fb7d2d99 | 200 | Bool_t fHasMC; //If we run with MC, at the moment only needed in AOD |
2e02dba4 | 201 | Bool_t fStoreRotatedPairs; //It the rotated pairs should be stored in the pair array |
202 | Bool_t fDontClearArrays; //Don't clear the arrays at the end of the Process function, needed for external use of pair and tracks | |
42c76bea | 203 | Bool_t fEventProcess; //Process event (or pair array) |
204 | ||
b2a297fa | 205 | void FillTrackArrays(AliVEvent * const ev, Int_t eventNr=0); |
4533e78e | 206 | void EventPlanePreFilter(Int_t arr1, Int_t arr2, TObjArray arrTracks1, TObjArray arrTracks2, const AliVEvent *ev); |
61d106d3 | 207 | void PairPreFilter(Int_t arr1, Int_t arr2, TObjArray &arrTracks1, TObjArray &arrTracks2); |
b2a297fa | 208 | void FillPairArrays(Int_t arr1, Int_t arr2); |
2a14a7b1 | 209 | void FillPairArrayTR(); |
b2a297fa | 210 | |
211 | Int_t GetPairIndex(Int_t arr1, Int_t arr2) const {return arr1>=arr2?arr1*(arr1+1)/2+arr2:arr2*(arr2+1)/2+arr1;} | |
212 | ||
213 | void InitPairCandidateArrays(); | |
214 | void ClearArrays(); | |
215 | ||
216 | TObjArray* PairArray(Int_t i); | |
746e66a9 | 217 | TObject* InitEffMap(TString filename); |
b2a297fa | 218 | |
219 | static const char* fgkTrackClassNames[4]; //Names for track arrays | |
2a14a7b1 | 220 | static const char* fgkPairClassNames[11]; //Names for pair arrays |
b2a297fa | 221 | |
5720c765 | 222 | TString fEstimatorFilename; // name for the pp multiplicity estimators filename |
223 | TString fTRDpidCorrectionFilename; // name for the file containing the single particle TRD pid corrections | |
a823f01b | 224 | TString fVZEROCalibrationFilename; // file containing VZERO channel-by-channel calibration |
225 | TString fVZERORecenteringFilename; // file containing VZERO Q-vector recentering averages | |
36a1e727 | 226 | TString fZDCRecenteringFilename; // file containing ZDCQ-vector recentering averages |
5720c765 | 227 | |
228 | void ProcessMC(AliVEvent *ev1); | |
b2a297fa | 229 | |
c315310a | 230 | void FillHistograms(const AliVEvent *ev, Bool_t pairInfoOnly=kFALSE); |
f0351f9c | 231 | void FillMCHistograms(const AliVEvent *ev); |
833da63d | 232 | void FillMCHistograms(Int_t label1, Int_t label2, Int_t nSignal); |
5720c765 | 233 | void FillHistogramsMC(const AliMCEvent *ev, AliVEvent *ev1); |
ffbede40 | 234 | void FillHistogramsPair(AliDielectronPair *pair,Bool_t fromPreFilter=kFALSE); |
554e40f8 | 235 | void FillHistogramsTracks(TObjArray **tracks); |
236 | ||
572b0139 | 237 | void FillDebugTree(); |
5720c765 | 238 | |
b2a297fa | 239 | AliDielectron(const AliDielectron &c); |
240 | AliDielectron &operator=(const AliDielectron &c); | |
241 | ||
a94c2e7e | 242 | ClassDef(AliDielectron,12); |
b2a297fa | 243 | }; |
244 | ||
245 | inline void AliDielectron::InitPairCandidateArrays() | |
246 | { | |
247 | // | |
248 | // initialise all pair candidate arrays | |
249 | // | |
250 | fPairCandidates->SetOwner(); | |
5720c765 | 251 | for (Int_t i=0;i<11;++i){ |
b2a297fa | 252 | TObjArray *arr=new TObjArray; |
253 | fPairCandidates->AddAt(arr,i); | |
254 | arr->SetOwner(); | |
255 | } | |
256 | } | |
257 | ||
258 | inline TObjArray* AliDielectron::PairArray(Int_t i) | |
259 | { | |
260 | // | |
261 | // for internal use only: unchecked return of track array for fast access | |
262 | // | |
263 | return static_cast<TObjArray*>(fPairCandidates->UncheckedAt(i)); | |
264 | } | |
265 | ||
266 | inline void AliDielectron::ClearArrays() | |
267 | { | |
268 | // | |
269 | // Reset the Arrays | |
270 | // | |
271 | for (Int_t i=0;i<4;++i){ | |
272 | fTracks[i].Clear(); | |
273 | } | |
5720c765 | 274 | for (Int_t i=0;i<11;++i){ |
275 | if (PairArray(i)) PairArray(i)->Delete(); | |
b2a297fa | 276 | } |
277 | } | |
278 | ||
279 | #endif |