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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> | |
21 | ||
22 | #include <AliAnalysisFilter.h> | |
23 | #include <AliKFParticle.h> | |
24 | ||
25 | #include "AliDielectronHistos.h" | |
620b34a5 | 26 | #include "AliDielectronHF.h" |
b2a297fa | 27 | |
5720c765 | 28 | class AliEventplane; |
b2a297fa | 29 | class AliVEvent; |
ba15fdfb | 30 | class AliMCEvent; |
b2a297fa | 31 | class THashList; |
32 | class AliDielectronCF; | |
572b0139 | 33 | class AliDielectronDebugTree; |
2a14a7b1 | 34 | class AliDielectronTrackRotator; |
ffbede40 | 35 | class AliDielectronPair; |
ba15fdfb | 36 | class AliDielectronSignalMC; |
5720c765 | 37 | class AliDielectronMixingHandler; |
b2a297fa | 38 | |
39 | //________________________________________________________________ | |
40 | class AliDielectron : public TNamed { | |
5720c765 | 41 | |
42 | friend class AliDielectronMixingHandler; //mixing as friend class | |
43 | ||
b2a297fa | 44 | public: |
2a14a7b1 | 45 | enum EPairType { kEv1PP=0, kEv1PM, kEv1MM, |
46 | kEv1PEv2P, kEv1MEv2P, kEv2PP, | |
47 | kEv1PEv2M, kEv1MEv2M, kEv2PM, | |
48 | kEv2MM, kEv1PMRot }; | |
49 | enum ELegType { kEv1P, kEv1M, kEv2P, kEv2M }; | |
b2a297fa | 50 | |
51 | AliDielectron(); | |
52 | AliDielectron(const char* name, const char* title); | |
53 | virtual ~AliDielectron(); | |
54 | ||
55 | void Init(); | |
56 | ||
57 | void Process(AliVEvent *ev1, AliVEvent *ev2=0); | |
58 | ||
b2a297fa | 59 | const AliAnalysisFilter& GetEventFilter() const { return fEventFilter; } |
60 | const AliAnalysisFilter& GetTrackFilter() const { return fTrackFilter; } | |
61 | const AliAnalysisFilter& GetPairFilter() const { return fPairFilter; } | |
62 | ||
61d106d3 | 63 | AliAnalysisFilter& GetEventFilter() { return fEventFilter; } |
64 | AliAnalysisFilter& GetTrackFilter() { return fTrackFilter; } | |
65 | AliAnalysisFilter& GetPairFilter() { return fPairFilter; } | |
66 | AliAnalysisFilter& GetPairPreFilter() { return fPairPreFilter; } | |
67 | AliAnalysisFilter& GetPairPreFilterLegs() { return fPairPreFilterLegs; } | |
5720c765 | 68 | AliAnalysisFilter& GetEventPlanePreFilter(){ return fEventPlanePreFilter; } |
69 | AliAnalysisFilter& GetEventPlanePOIPreFilter(){ return fEventPlanePOIPreFilter; } | |
70 | ||
8df8e382 | 71 | void SetMotherPdg( Int_t pdgMother ) { fPdgMother=pdgMother; } |
72 | void SetLegPdg(Int_t pdgLeg1, Int_t pdgLeg2) { fPdgLeg1=pdgLeg1; fPdgLeg2=pdgLeg2; } | |
73 | Int_t GetMotherPdg() const { return fPdgMother; } | |
74 | Int_t GetLeg1Pdg() const { return fPdgLeg1; } | |
75 | Int_t GetLeg2Pdg() const { return fPdgLeg2; } | |
554e40f8 | 76 | |
77 | void SetNoPairing(Bool_t noPairing=kTRUE) { fNoPairing=noPairing; } | |
08b801a6 | 78 | void SetUseKF(Bool_t useKF=kTRUE) { fUseKF=useKF; } |
b2a297fa | 79 | const TObjArray* GetTrackArray(Int_t i) const {return (i>=0&&i<4)?&fTracks[i]:0;} |
5720c765 | 80 | const TObjArray* GetPairArray(Int_t i) const {return (i>=0&&i<11)? |
b2a297fa | 81 | static_cast<TObjArray*>(fPairCandidates->UncheckedAt(i)):0;} |
82 | ||
83 | TObjArray** GetPairArraysPointer() { return &fPairCandidates; } | |
620b34a5 | 84 | void SetHistogramArray(AliDielectronHF * const histoarray) { fHistoArray=histoarray; } |
85 | const TObjArray * GetHistogramArray() const { return fHistoArray?fHistoArray->GetHistArray():0x0; } | |
86 | ||
b2a297fa | 87 | void SetHistogramManager(AliDielectronHistos * const histos) { fHistos=histos; } |
c8f0f810 | 88 | AliDielectronHistos* GetHistoManager() const { return fHistos; } |
b2a297fa | 89 | const THashList * GetHistogramList() const { return fHistos?fHistos->GetHistogramList():0x0; } |
90 | ||
91 | Bool_t HasCandidates() const { return GetPairArray(1)?GetPairArray(1)->GetEntriesFast()>0:0; } | |
fb7d2d99 | 92 | Bool_t HasCandidatesLikeSign() const { |
93 | return (GetPairArray(0)&&GetPairArray(2)) ? (GetPairArray(0)->GetEntriesFast()>0 || GetPairArray(2)->GetEntriesFast()>0) : 0; | |
94 | } | |
95 | ||
5720c765 | 96 | Bool_t HasCandidatesTR() const {return GetPairArray(10)?GetPairArray(10)->GetEntriesFast()>0:0;} |
b2a297fa | 97 | void SetCFManagerPair(AliDielectronCF * const cf) { fCfManagerPair=cf; } |
98 | AliDielectronCF* GetCFManagerPair() const { return fCfManagerPair; } | |
572b0139 | 99 | |
5720c765 | 100 | void SetPreFilterEventPlane(Bool_t setValue=kTRUE){fPreFilterEventPlane=setValue;}; |
101 | void SetLikeSignSubEvents(Bool_t setValue=kTRUE){fLikeSignSubEvents=setValue;}; | |
554e40f8 | 102 | void SetPreFilterUnlikeOnly(Bool_t setValue=kTRUE){fPreFilterUnlikeOnly=setValue;}; |
ba15fdfb | 103 | void SetPreFilterAllSigns(Bool_t setValue=kTRUE){fPreFilterAllSigns=setValue;}; |
554e40f8 | 104 | |
2a14a7b1 | 105 | void SetTrackRotator(AliDielectronTrackRotator * const rot) { fTrackRotator=rot; } |
106 | AliDielectronTrackRotator* GetTrackRotator() const { return fTrackRotator; } | |
fb7d2d99 | 107 | |
5720c765 | 108 | void SetMixingHandler(AliDielectronMixingHandler *mix) { fMixing=mix; } |
109 | AliDielectronMixingHandler* GetMixingHandler() const { return fMixing; } | |
110 | ||
fb7d2d99 | 111 | void SetHasMC(Bool_t hasMC) { fHasMC = hasMC; } |
112 | Bool_t GetHasMC() const { return fHasMC; } | |
ba15fdfb | 113 | |
5720c765 | 114 | void SetStoreRotatedPairs(Bool_t storeTR) {fStoreRotatedPairs = storeTR;} |
2e02dba4 | 115 | void SetDontClearArrays(Bool_t dontClearArrays=kTRUE) { fDontClearArrays=dontClearArrays; } |
5720c765 | 116 | |
ba15fdfb | 117 | void AddSignalMC(AliDielectronSignalMC* signal); |
118 | ||
572b0139 | 119 | void SetDebugTree(AliDielectronDebugTree * const tree) { fDebugTree=tree; } |
c8f0f810 | 120 | |
121 | const TObjArray* GetMCSignals() const { return fSignalsMC; } | |
b2a297fa | 122 | static const char* TrackClassName(Int_t i) { return (i>=0&&i<4)?fgkTrackClassNames[i]:""; } |
2a14a7b1 | 123 | static const char* PairClassName(Int_t i) { return (i>=0&&i<11)?fgkPairClassNames[i]:""; } |
572b0139 | 124 | |
5720c765 | 125 | void SetEstimatorFilename(const Char_t* filename) {fEstimatorFilename = filename;} |
126 | void SetTRDcorrectionFilename(const Char_t* filename) {fTRDpidCorrectionFilename = filename;} | |
a823f01b | 127 | void SetVZEROCalibrationFilename(const Char_t* filename) {fVZEROCalibrationFilename = filename;} |
128 | void SetVZERORecenteringFilename(const Char_t* filename) {fVZERORecenteringFilename = filename;} | |
5720c765 | 129 | |
572b0139 | 130 | void SaveDebugTree(); |
b2a297fa | 131 | |
5720c765 | 132 | private: |
b2a297fa | 133 | |
61d106d3 | 134 | AliAnalysisFilter fEventFilter; // Event cuts |
135 | AliAnalysisFilter fTrackFilter; // leg cuts | |
136 | AliAnalysisFilter fPairPreFilter; // pair prefilter cuts | |
137 | AliAnalysisFilter fPairPreFilterLegs; // Leg filter after the pair prefilter cuts | |
138 | AliAnalysisFilter fPairFilter; // pair cuts | |
5720c765 | 139 | AliAnalysisFilter fEventPlanePreFilter; // event plane prefilter cuts |
140 | AliAnalysisFilter fEventPlanePOIPreFilter; // PoI cuts in the event plane prefilter | |
141 | ||
b2a297fa | 142 | Int_t fPdgMother; // pdg code of mother tracks |
8df8e382 | 143 | Int_t fPdgLeg1; // pdg code leg1 |
144 | Int_t fPdgLeg2; // pdg code leg2 | |
554e40f8 | 145 | |
ba15fdfb | 146 | TObjArray* fSignalsMC; // array of AliDielectronSignalMC |
147 | ||
554e40f8 | 148 | Bool_t fNoPairing; // if to skip pairing, can be used for track QA only |
08b801a6 | 149 | Bool_t fUseKF; // if to skip pairing, can be used for track QA only |
620b34a5 | 150 | |
151 | AliDielectronHF *fHistoArray; // Histogram framework | |
b2a297fa | 152 | AliDielectronHistos *fHistos; // Histogram manager |
153 | // Streaming and merging should be handled | |
154 | // by the analysis framework | |
554e40f8 | 155 | |
b2a297fa | 156 | TObjArray fTracks[4]; //! Selected track candidates |
157 | // 0: Event1, positive particles | |
158 | // 1: Event1, negative particles | |
159 | // 2: Event2, positive particles | |
160 | // 3: Event2, negative particles | |
161 | ||
162 | TObjArray *fPairCandidates; //! Pair candidate arrays | |
163 | //TODO: better way to store it? TClonesArray? | |
164 | ||
165 | AliDielectronCF *fCfManagerPair;//Correction Framework Manager for the Pair | |
2a14a7b1 | 166 | AliDielectronTrackRotator *fTrackRotator; //Track rotator |
572b0139 | 167 | AliDielectronDebugTree *fDebugTree; // Debug tree output |
5720c765 | 168 | AliDielectronMixingHandler *fMixing; // handler for event mixing |
554e40f8 | 169 | |
5720c765 | 170 | Bool_t fPreFilterEventPlane; //Filter for the Eventplane determination in TPC |
171 | Bool_t fLikeSignSubEvents; //Option for dividing into subevents, sub1 ++ sub2 -- | |
554e40f8 | 172 | Bool_t fPreFilterUnlikeOnly; //Apply PreFilter either in +- or to ++/--/+- individually |
5720c765 | 173 | Bool_t fPreFilterAllSigns; //Apply PreFilter find in ++/--/+- and remove from all |
fb7d2d99 | 174 | Bool_t fHasMC; //If we run with MC, at the moment only needed in AOD |
2e02dba4 | 175 | Bool_t fStoreRotatedPairs; //It the rotated pairs should be stored in the pair array |
176 | Bool_t fDontClearArrays; //Don't clear the arrays at the end of the Process function, needed for external use of pair and tracks | |
177 | ||
b2a297fa | 178 | void FillTrackArrays(AliVEvent * const ev, Int_t eventNr=0); |
5720c765 | 179 | void EventPlanePreFilter(Int_t arr1, Int_t arr2, TObjArray arrTracks1, TObjArray arrTracks2, const AliVEvent *ev, AliEventplane *cevplane); |
61d106d3 | 180 | void PairPreFilter(Int_t arr1, Int_t arr2, TObjArray &arrTracks1, TObjArray &arrTracks2); |
b2a297fa | 181 | void FillPairArrays(Int_t arr1, Int_t arr2); |
2a14a7b1 | 182 | void FillPairArrayTR(); |
b2a297fa | 183 | |
184 | Int_t GetPairIndex(Int_t arr1, Int_t arr2) const {return arr1>=arr2?arr1*(arr1+1)/2+arr2:arr2*(arr2+1)/2+arr1;} | |
185 | ||
186 | void InitPairCandidateArrays(); | |
187 | void ClearArrays(); | |
188 | ||
189 | TObjArray* PairArray(Int_t i); | |
190 | ||
191 | static const char* fgkTrackClassNames[4]; //Names for track arrays | |
2a14a7b1 | 192 | static const char* fgkPairClassNames[11]; //Names for pair arrays |
b2a297fa | 193 | |
5720c765 | 194 | TString fEstimatorFilename; // name for the pp multiplicity estimators filename |
195 | TString fTRDpidCorrectionFilename; // name for the file containing the single particle TRD pid corrections | |
a823f01b | 196 | TString fVZEROCalibrationFilename; // file containing VZERO channel-by-channel calibration |
197 | TString fVZERORecenteringFilename; // file containing VZERO Q-vector recentering averages | |
5720c765 | 198 | |
199 | void ProcessMC(AliVEvent *ev1); | |
b2a297fa | 200 | |
5720c765 | 201 | void FillHistograms(const AliVEvent *ev, Bool_t pairInfoOnly=kFALSE); |
202 | void FillHistogramsMC(const AliMCEvent *ev, AliVEvent *ev1); | |
ffbede40 | 203 | void FillHistogramsPair(AliDielectronPair *pair,Bool_t fromPreFilter=kFALSE); |
554e40f8 | 204 | void FillHistogramsTracks(TObjArray **tracks); |
205 | ||
572b0139 | 206 | void FillDebugTree(); |
5720c765 | 207 | |
b2a297fa | 208 | AliDielectron(const AliDielectron &c); |
209 | AliDielectron &operator=(const AliDielectron &c); | |
210 | ||
2e02dba4 | 211 | ClassDef(AliDielectron,5); |
b2a297fa | 212 | }; |
213 | ||
214 | inline void AliDielectron::InitPairCandidateArrays() | |
215 | { | |
216 | // | |
217 | // initialise all pair candidate arrays | |
218 | // | |
219 | fPairCandidates->SetOwner(); | |
5720c765 | 220 | for (Int_t i=0;i<11;++i){ |
b2a297fa | 221 | TObjArray *arr=new TObjArray; |
222 | fPairCandidates->AddAt(arr,i); | |
223 | arr->SetOwner(); | |
224 | } | |
225 | } | |
226 | ||
227 | inline TObjArray* AliDielectron::PairArray(Int_t i) | |
228 | { | |
229 | // | |
230 | // for internal use only: unchecked return of track array for fast access | |
231 | // | |
232 | return static_cast<TObjArray*>(fPairCandidates->UncheckedAt(i)); | |
233 | } | |
234 | ||
235 | inline void AliDielectron::ClearArrays() | |
236 | { | |
237 | // | |
238 | // Reset the Arrays | |
239 | // | |
240 | for (Int_t i=0;i<4;++i){ | |
241 | fTracks[i].Clear(); | |
242 | } | |
5720c765 | 243 | for (Int_t i=0;i<11;++i){ |
244 | if (PairArray(i)) PairArray(i)->Delete(); | |
b2a297fa | 245 | } |
246 | } | |
247 | ||
248 | #endif |