1 /* $Id: AliTriggerAnalysis.h 35782 2009-10-22 11:54:31Z jgrosseo $ */
3 #ifndef ALITRIGGERANALYSIS_H
4 #define ALITRIGGERANALYSIS_H
8 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
9 * See cxx source for full Copyright notice */
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 //-------------------------------------------------------------------------
24 class AliTriggerAnalysis : public TObject
27 enum Trigger { kAcceptAll = 1, kMB1 = 2, kMB2, kMB3, kSPDGFO, kSPDGFOBits, kV0A, kV0C, kV0OR, kV0AND, kV0ABG, kV0CBG, kZDC, kZDCA, kZDCC, kFMDA, kFMDC, kFPANY, kNSD1, kMB1Prime, kStartOfFlags = 0x0100, kOfflineFlag = 0x8000, kOneParticle = 0x16000 }; // MB1, MB2, MB3 definition from ALICE-INT-2005-025
28 enum AliceSide { kASide = 1, kCSide, kCentralBarrel };
29 enum V0Decision { kV0Invalid = -1, kV0Empty = 0, kV0BB, kV0BG, kV0Fake };
32 virtual ~AliTriggerAnalysis();
34 void EnableHistograms();
35 void SetAnalyzeMC(Bool_t flag = kTRUE) { fMC = flag; }
37 Bool_t IsTriggerFired(const AliESDEvent* aEsd, Trigger trigger);
39 // using trigger bits in ESD
40 Bool_t IsTriggerBitFired(const AliESDEvent* aEsd, Trigger trigger) const;
41 Bool_t IsTriggerBitFired(ULong64_t triggerMask, Trigger trigger) const;
42 Bool_t IsTriggerBitFired(const AliESDEvent* aEsd, ULong64_t tclass) const;
44 // using ESD data from detectors
45 Bool_t IsOfflineTriggerFired(const AliESDEvent* aEsd, Trigger trigger);
47 // using trigger classes in ESD
48 Bool_t IsTriggerClassFired(const AliESDEvent* aEsd, const Char_t* tclass) const;
50 // some "raw" trigger functions
51 Int_t SPDFiredChips(const AliESDEvent* aEsd, Int_t origin, Bool_t fillHists = kFALSE);
52 Bool_t SPDGFOTrigger(const AliESDEvent* aEsd, Int_t origin);
53 V0Decision V0Trigger(const AliESDEvent* aEsd, AliceSide side, Bool_t online, Bool_t fillHists = kFALSE);
54 Bool_t ZDCTrigger(const AliESDEvent* aEsd, AliceSide side) const;
55 Bool_t FMDTrigger(const AliESDEvent* aEsd, AliceSide side);
56 Int_t SSDClusters(const AliESDEvent* aEsd);
57 static const char* GetTriggerName(Trigger trigger);
59 void FillHistograms(const AliESDEvent* aEsd);
60 void FillTriggerClasses(const AliESDEvent* aEsd);
62 void SetSPDGFOThreshhold(Int_t t) { fSPDGFOThreshold = t; }
63 void SetSPDGFOEfficiency(TH1F* hist) { fSPDGFOEfficiency = hist; }
64 void SetV0TimeOffset(Float_t offset) { fV0TimeOffset = offset; }
65 void SetV0AdcThr(Float_t thr) { fV0AdcThr = thr; }
66 void SetV0HwPars(Float_t thr, Float_t winLow, Float_t winHigh) { fV0HwAdcThr = thr; fV0HwWinLow = winLow; fV0HwWinHigh = winHigh; }
67 void SetFMDThreshold(Float_t low, Float_t hit) { fFMDLowCut = low; fFMDHitCut = hit; }
69 Int_t GetSPDGFOThreshhold() const { return fSPDGFOThreshold; }
70 Float_t GetV0TimeOffset() const { return fV0TimeOffset; }
71 Float_t GetV0AdcThr() const { return fV0AdcThr; }
72 Float_t GetFMDLowThreshold() const { return fFMDLowCut; }
73 Float_t GetFMDHitThreshold() const { return fFMDHitCut; }
75 virtual Long64_t Merge(TCollection* list);
76 void SaveHistograms() const;
78 void PrintTriggerClasses() const;
81 Bool_t IsL0InputFired(const AliESDEvent* aEsd, UInt_t input) const;
82 Bool_t IsL1InputFired(const AliESDEvent* aEsd, UInt_t input) const;
83 Bool_t IsL2InputFired(const AliESDEvent* aEsd, UInt_t input) const;
84 Bool_t IsInputFired(const AliESDEvent* aEsd, Char_t level, UInt_t input) const;
86 Float_t V0CorrectLeadingTime(Int_t i, Float_t time, Float_t adc, Int_t runNumber) const;
87 Float_t V0LeadingTimeWeight(Float_t adc) const;
89 Int_t FMDHitCombinations(const AliESDEvent* aEsd, AliceSide side, Bool_t fillHists = kFALSE);
91 Int_t fSPDGFOThreshold; // number of chips to accept a SPD GF0 trigger
92 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)
94 Float_t fV0TimeOffset; // time offset applied to the times read from the V0 (in ns)
95 Float_t fV0AdcThr; // thresholds applied on V0 ADC data
96 Float_t fV0HwAdcThr; // online V0 trigger - thresholds applied on ADC data
97 Float_t fV0HwWinLow; // online V0 trigger - lower edge of time window
98 Float_t fV0HwWinHigh; // online V0 trigger - upper edge of time window
100 Float_t fFMDLowCut; //
101 Float_t fFMDHitCut; //
103 TH2F* fHistBitsSPD; // offline trigger bits (calculated from clusters) vs hardware trigger bits
104 TH1F* fHistFiredBitsSPD; // fired hardware bits
105 TH1F* fHistV0A; // histograms that histogram the criterion the cut is applied on: bb triggers
106 TH1F* fHistV0C; // histograms that histogram the criterion the cut is applied on: bb triggers
107 TH1F* fHistZDC; // histograms that histogram the criterion the cut is applied on: fired bits (6 bins)
108 TH1F* fHistFMDA; // histograms that histogram the criterion the cut is applied on: number of hit combination above threshold
109 TH1F* fHistFMDC; // histograms that histogram the criterion the cut is applied on: number of hit combination above threshold
110 TH1F* fHistFMDSingle; // histograms that histogram the criterion the cut is applied on: single mult value (more than one entry per event)
111 TH1F* fHistFMDSum; // histograms that histogram the criterion the cut is applied on: summed mult value (more than one entry per event)
113 TMap* fTriggerClasses; // counts the active trigger classes (uses the full string)
115 Bool_t fMC; // flag if MC is analyzed
117 ClassDef(AliTriggerAnalysis, 9)
120 AliTriggerAnalysis(const AliTriggerAnalysis&);
121 AliTriggerAnalysis& operator=(const AliTriggerAnalysis&);