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A more elaborate approach for associating the reconstructed and MC pileup vertices
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1/* $Id: AliTriggerAnalysis.h 35782 2009-10-22 11:54:31Z jgrosseo $ */
2
3#ifndef ALITRIGGERANALYSIS_H
4#define ALITRIGGERANALYSIS_H
5
6#include <TObject.h>
7
8/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
9 * See cxx source for full Copyright notice */
10
11//-------------------------------------------------------------------------
12// Implementation of Class AliTriggerAnalysis
13// This class provides function to check if events have been triggered based on the data in the ESD
14// The trigger bits, trigger class inputs and only the data (offline trigger) can be used
15// Origin: Jan Fiete Grosse-Oetringhaus, CERN
16//-------------------------------------------------------------------------
17
18class AliESDEvent;
19class AliESDtrackCuts;
20class TH1F;
21class TH2F;
22class TCollection;
23class TMap;
24
25class AliTriggerAnalysis : public TObject
26{
27 public:
28 enum Trigger { kAcceptAll = 1, kMB1 = 2, kMB2, kMB3, kSPDGFO, kSPDGFOBits, kV0A, kV0C, kV0OR, kV0AND,
29 kV0ABG, kV0CBG, kZDC, kZDCA, kZDCC, kZNA, kZNC, kZNABG, kZNCBG, kFMDA, kFMDC, kFPANY, kNSD1, kMB1Prime,
30 kSPDGFOL0, kSPDGFOL1, kZDCTDCA, kZDCTDCC, kZDCTime, kCTPV0A, kCTPV0C, kTPCLaserWarmUp, kSPDClsVsTrkBG,
31 kCentral,kSemiCentral, kT0, kT0BG, kT0Pileup, kEMCAL,kTPCHVdip,
32 kTRDHCO, kTRDHJT, kTRDHSE, kTRDHQU, kTRDHEE,
33 kIncompleteEvent,
34 kStartOfFlags = 0x0100, kOfflineFlag = 0x8000, kOneParticle = 0x10000, kOneTrack = 0x20000}; // MB1, MB2, MB3 definition from ALICE-INT-2005-025
35 enum AliceSide { kASide = 1, kCSide, kCentralBarrel };
36 enum V0Decision { kV0Invalid = -1, kV0Empty = 0, kV0BB, kV0BG, kV0Fake };
37 enum T0Decision { kT0Invalid = -1, kT0Empty = 0, kT0BB, kT0DecBG, kT0DecPileup };
38
39 AliTriggerAnalysis();
40 virtual ~AliTriggerAnalysis();
41
42 void EnableHistograms(Bool_t isLowFlux = kFALSE);
43 void SetAnalyzeMC(Bool_t flag = kTRUE) { fMC = flag; }
44
45 Bool_t IsTriggerFired(const AliESDEvent* aEsd, Trigger trigger);
46 Int_t EvaluateTrigger(const AliESDEvent* aEsd, Trigger trigger);
47
48 // using trigger bits in ESD
49 Bool_t IsTriggerBitFired(const AliESDEvent* aEsd, Trigger trigger) const;
50 Bool_t IsTriggerBitFired(ULong64_t triggerMask, Trigger trigger) const;
51 Bool_t IsTriggerBitFired(const AliESDEvent* aEsd, ULong64_t tclass) const;
52
53 // using ESD data from detectors
54 Bool_t IsOfflineTriggerFired(const AliESDEvent* aEsd, Trigger trigger);
55
56 // using trigger classes in ESD
57 Bool_t IsTriggerClassFired(const AliESDEvent* aEsd, const Char_t* tclass) const;
58
59 // some "raw" trigger functions
60 Int_t SPDFiredChips(const AliESDEvent* aEsd, Int_t origin, Bool_t fillHists = kFALSE, Int_t layer = 0);
61 Bool_t SPDGFOTrigger(const AliESDEvent* aEsd, Int_t origin);
62 Bool_t IsSPDClusterVsTrackletBG(const AliESDEvent* esd, Bool_t fillHists = kFALSE);
63 V0Decision V0Trigger(const AliESDEvent* aEsd, AliceSide side, Bool_t online, Bool_t fillHists = kFALSE);
64 T0Decision T0Trigger(const AliESDEvent* aEsd, Bool_t online, Bool_t fillHists = kFALSE);
65 Bool_t ZDCTrigger (const AliESDEvent* aEsd, AliceSide side) const;
66 Bool_t ZDCTDCTrigger(const AliESDEvent* aEsd, AliceSide side, Bool_t useZN=kTRUE, Bool_t useZP=kFALSE, Bool_t fillHists=kFALSE) const;
67 Bool_t ZDCTimeTrigger(const AliESDEvent *aEsd, Bool_t fillHists=kFALSE) const;
68 Bool_t ZDCTimeBGTrigger(const AliESDEvent *aEsd, AliceSide side) const;
69 Bool_t FMDTrigger(const AliESDEvent* aEsd, AliceSide side);
70 Int_t SSDClusters(const AliESDEvent* aEsd);
71 Bool_t EMCALCellsTrigger(const AliESDEvent *aEsd);
72 static const char* GetTriggerName(Trigger trigger);
73
74 Bool_t IsLaserWarmUpTPCEvent(const AliESDEvent* esd);
75 Bool_t IsHVdipTPCEvent(const AliESDEvent* esd);
76 Bool_t TRDTrigger(const AliESDEvent* esd, Trigger trigger);
77
78 Bool_t IsIncompleteEvent(const AliESDEvent* esd);
79
80 void FillHistograms(const AliESDEvent* aEsd);
81 void FillTriggerClasses(const AliESDEvent* aEsd);
82
83 void SetSPDGFOThreshhold(Int_t t) { fSPDGFOThreshold = t; }
84 void SetSPDGFOEfficiency(TH1F* hist) { fSPDGFOEfficiency = hist; }
85 void SetSPDClustersVsTrackletsParameters(Float_t a, Float_t b) { fASPDCvsTCut = a; fBSPDCvsTCut =b;}
86 void SetV0TimeOffset(Float_t offset) { fV0TimeOffset = offset; }
87 void SetV0AdcThr(Float_t thr) { fV0AdcThr = thr; }
88 void SetV0HwPars(Float_t thr, Float_t winLow, Float_t winHigh) { fV0HwAdcThr = thr; fV0HwWinLow = winLow; fV0HwWinHigh = winHigh; }
89 void SetFMDThreshold(Float_t low, Float_t hit) { fFMDLowCut = low; fFMDHitCut = hit; }
90 void SetDoFMD(Bool_t flag = kTRUE) {fDoFMD = flag;}
91 void SetZDCCutParams(Float_t refSum, Float_t refDelta, Float_t sigmaSum, Float_t sigmaDelta) { fZDCCutRefSum = refSum; fZDCCutRefDelta = refDelta; fZDCCutSigmaSum = sigmaSum; fZDCCutSigmaDelta = sigmaDelta; }
92 void SetCorrZDCCutParams(Float_t refSum, Float_t refDelta, Float_t sigmaSum, Float_t sigmaDelta) { fZDCCutRefSumCorr = refSum; fZDCCutRefDeltaCorr = refDelta; fZDCCutSigmaSumCorr = sigmaSum; fZDCCutSigmaDeltaCorr = sigmaDelta; }
93 void SetZNCorrCutParams(Float_t znaTimeCorrMin, Float_t znaTimeCorrMax, Float_t zncTimeCorrMin, Float_t zncTimeCorrMax)
94 { fZDCCutZNATimeCorrMin = znaTimeCorrMin; fZDCCutZNATimeCorrMax = znaTimeCorrMax;
95 fZDCCutZNCTimeCorrMin = zncTimeCorrMin; fZDCCutZNCTimeCorrMax = zncTimeCorrMax; }
96
97 void SetTRDTriggerParameters(Float_t ptHSE, UChar_t pidHSE, Float_t ptHQU, UChar_t pidHQU, Float_t ptHEE, UChar_t pidHEE, UChar_t minSectorHEE, UChar_t maxSectorHEE, Float_t ptHJT, UChar_t nHJT) {
98 fTRDptHSE = ptHSE; fTRDpidHSE = pidHSE;
99 fTRDptHQU = ptHQU; fTRDpidHQU = pidHQU;
100 fTRDptHEE = ptHEE; fTRDpidHEE = pidHEE;
101 fTRDminSectorHEE = minSectorHEE; fTRDmaxSectorHEE = maxSectorHEE;
102 fTRDptHJT = ptHJT; fTRDnHJT = nHJT;
103 }
104
105 Int_t GetSPDGFOThreshhold() const { return fSPDGFOThreshold; }
106 Float_t GetV0TimeOffset() const { return fV0TimeOffset; }
107 Float_t GetV0AdcThr() const { return fV0AdcThr; }
108 Float_t GetFMDLowThreshold() const { return fFMDLowCut; }
109 Float_t GetFMDHitThreshold() const { return fFMDHitCut; }
110 TMap * GetTriggerClasses() const { return fTriggerClasses;}
111
112
113 virtual Long64_t Merge(TCollection* list);
114 void SaveHistograms() const;
115
116 void PrintTriggerClasses() const;
117 void SetESDTrackCuts(AliESDtrackCuts* cuts) { fEsdTrackCuts = cuts;}
118 AliESDtrackCuts* GetESDTrackCuts() const {return fEsdTrackCuts;}
119
120 void SetTPCOnly(Bool_t bTPCOnly) {fTPCOnly = bTPCOnly;}
121 Bool_t GetTPCOnly() const {return fTPCOnly;}
122
123 protected:
124 Bool_t IsL0InputFired(const AliESDEvent* aEsd, UInt_t input) const;
125 Bool_t IsL1InputFired(const AliESDEvent* aEsd, UInt_t input) const;
126 Bool_t IsL2InputFired(const AliESDEvent* aEsd, UInt_t input) const;
127 Bool_t IsInputFired(const AliESDEvent* aEsd, Char_t level, UInt_t input) const;
128
129 Float_t V0CorrectLeadingTime(Int_t i, Float_t time, Float_t adc, Int_t runNumber) const;
130 Float_t V0LeadingTimeWeight(Float_t adc) const;
131
132 Int_t FMDHitCombinations(const AliESDEvent* aEsd, AliceSide side, Bool_t fillHists = kFALSE);
133
134 Int_t fSPDGFOThreshold; // number of chips to accept a SPD GF0 trigger
135 TH1F* fSPDGFOEfficiency; // SPD FASTOR efficiency - is applied in SPDFiredChips. Histogram contains efficiency as function of chip number (bin 1..400: first layer; 401..1200: second layer)
136
137 Float_t fV0TimeOffset; // time offset applied to the times read from the V0 (in ns)
138 Float_t fV0AdcThr; // thresholds applied on V0 ADC data
139 Float_t fV0HwAdcThr; // online V0 trigger - thresholds applied on ADC data
140 Float_t fV0HwWinLow; // online V0 trigger - lower edge of time window
141 Float_t fV0HwWinHigh; // online V0 trigger - upper edge of time window
142
143 Float_t fZDCCutRefSum; // ZDC time cut configuration
144 Float_t fZDCCutRefDelta; // ZDC time cut configuration
145 Float_t fZDCCutSigmaSum; // ZDC time cut configuration
146 Float_t fZDCCutSigmaDelta; // ZDC time cut configuration
147
148 Float_t fZDCCutRefSumCorr; // Corrected ZDC time cut configuration
149 Float_t fZDCCutRefDeltaCorr; // Corrected ZDC time cut configuration
150 Float_t fZDCCutSigmaSumCorr; // Corrected ZDC time cut configuration
151 Float_t fZDCCutSigmaDeltaCorr; // Corrected ZDC time cut configuration
152
153 Float_t fZDCCutZNATimeCorrMin; // Corrected ZNA time cut configuration
154 Float_t fZDCCutZNATimeCorrMax; // Corrected ZNA time cut configuration
155 Float_t fZDCCutZNCTimeCorrMin; // Corrected ZNA time cut configuration
156 Float_t fZDCCutZNCTimeCorrMax; // Corrected ZNA time cut configuration
157
158 Float_t fASPDCvsTCut; // constant for the linear cut in SPD clusters vs tracklets
159 Float_t fBSPDCvsTCut; // slope for the linear cut in SPD clusters vs tracklets
160
161 // Variables for the TRD triggers
162 Float_t fTRDptHSE; // pt threshold for HSE trigger
163 UChar_t fTRDpidHSE; // PID threshold for HSE trigger
164 Float_t fTRDptHQU; // pt threshold for HQU trigger
165 UChar_t fTRDpidHQU; // PID threshold for HQU trigger
166 Float_t fTRDptHEE; // pt threshold for HEE trigger
167 UChar_t fTRDpidHEE; // PID threshold for HEE trigger
168 UChar_t fTRDminSectorHEE; // min sector for HEE trigger
169 UChar_t fTRDmaxSectorHEE; // max sector for HEE trigger
170 Float_t fTRDptHJT; // pt threshold for HJT trigger
171 UChar_t fTRDnHJT; // no of track threshold for HJT trigger
172
173 Bool_t fDoFMD; // If false, skips the FMD (physics selection runs much faster)
174 Float_t fFMDLowCut; //
175 Float_t fFMDHitCut; //
176
177 TH2F* fHistBitsSPD; // offline trigger bits (calculated from clusters) vs hardware trigger bits
178 TH1F* fHistFiredBitsSPD; // fired hardware bits
179 TH2F* fHistSPDClsVsTrk; // histogram of clusters vs tracklet BG cut
180 TH1F* fHistV0A; // histograms that histogram the criterion the cut is applied on: bb triggers
181 TH1F* fHistV0C; // histograms that histogram the criterion the cut is applied on: bb triggers
182 TH1F* fHistZDC; //histograms that histogram the criterion the cut is applied on: fired bits (6 bins)
183 TH1F* fHistTDCZDC; // histograms that histogram the criterion the cut is applied on: TDC bits (32 bins)
184 TH2F* fHistTimeZDC; // histograms that histogram the criterion the cut is applied on: ZDC TDC timing
185 TH2F* fHistTimeCorrZDC; // histograms that histogram the criterion the cut is applied on: ZDC Corrected TDC timing
186 TH1F* fHistFMDA; // histograms that histogram the criterion the cut is applied on: number of hit combination above threshold
187 TH1F* fHistFMDC; // histograms that histogram the criterion the cut is applied on: number of hit combination above threshold
188 TH1F* fHistFMDSingle; // histograms that histogram the criterion the cut is applied on: single mult value (more than one entry per event)
189 TH1F* fHistFMDSum; // histograms that histogram the criterion the cut is applied on: summed mult value (more than one entry per event)
190 TH1F* fHistT0; // histograms that histogram the criterion the cut is applied on: bb triggers
191 TMap* fTriggerClasses; // counts the active trigger classes (uses the full string)
192
193 Bool_t fMC; // flag if MC is analyzed
194 AliESDtrackCuts* fEsdTrackCuts; //Track Cuts to select ESD tracks
195
196 Bool_t fTPCOnly; // flag to set whether TPC only tracks have to be used for the offline trigger
197
198 ClassDef(AliTriggerAnalysis, 22)
199
200 private:
201 AliTriggerAnalysis(const AliTriggerAnalysis&);
202 AliTriggerAnalysis& operator=(const AliTriggerAnalysis&);
203};
204
205#endif