4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5 * See cxx source for full Copyright notice */
7 /* $Id: AliUEHist.h 20164 2007-08-14 15:31:50Z morsch $ */
9 // encapsulate histogram and corrections for one underlying event histogram
20 class AliCFGridSparse;
22 class AliUEHist : public TObject
25 AliUEHist(const char* reqHist = "");
28 const Int_t fkRegions;
29 enum Region { kToward = 0, kAway, kMin, kMax };
31 static const Int_t fgkCFSteps;
32 enum CFStep { kCFStepAll = 0, kCFStepTriggered, kCFStepVertex, kCFStepAnaTopology, kCFStepTrackedOnlyPrim, kCFStepTracked, kCFStepReconstructed, kCFStepRealLeading, kCFStepBiasStudy, kCFStepBiasStudy2 };
34 const char* GetRegionTitle(Region region);
35 const char* GetStepTitle(CFStep step);
37 AliCFContainer* GetTrackHist(Region region) { return fTrackHist[region]; }
38 AliCFContainer* GetEventHist() { return fEventHist; }
39 AliCFContainer* GetTrackHistEfficiency() { return fTrackHistEfficiency; }
41 void SetTrackHist(Region region, AliCFContainer* hist) { fTrackHist[region] = hist; }
42 void SetEventHist(AliCFContainer* hist) { fEventHist = hist; }
44 void CopyReconstructedData(AliUEHist* from);
46 TH1D* GetUEHist(CFStep step, Region region, Float_t ptLeadMin = -1, Float_t ptLeadMax = -1);
48 TH1* GetTrackEfficiency(CFStep step1, CFStep step2, Int_t axis1, Int_t axis2 = -1, Int_t source = 1);
49 TH1* GetEventEfficiency(CFStep step1, CFStep step2, Int_t axis1, Int_t axis2 = -1, Float_t ptLeadMin = -1, Float_t ptLeadMax = -1);
50 TH1* GetBias(CFStep step1, CFStep step2, Int_t region, const char* axis, Float_t leadPtMin = 0, Float_t leadPtMax = 0);
52 TH1D* GetTrackingEfficiency(Int_t axis);
53 TH2D* GetTrackingEfficiency();
55 TH1D* GetTrackingContamination(Int_t axis);
56 TH2D* GetTrackingContamination();
58 TH1D* GetTrackingCorrection(Int_t axis);
59 TH2D* GetTrackingCorrection();
61 TH1D* GetTrackingEfficiencyCorrection(Int_t axis);
62 TH2D* GetTrackingEfficiencyCorrection();
64 void Correct(AliUEHist* corrections);
65 void CorrectTracks(CFStep step1, CFStep step2, TH1* trackCorrection, Int_t var1, Int_t var2 = -1);
66 void CorrectTracks(CFStep step1, CFStep step2, Int_t region, TH1* trackCorrection, Int_t var1, Int_t var2 = -1);
67 void CorrectEvents(CFStep step1, CFStep step2, TH1D* eventCorrection, Int_t var);
69 void SetCombineMinMax(Bool_t flag) { fCombineMinMax = flag; }
71 void SetEtaRange(Float_t etaMin, Float_t etaMax) { fEtaMin = etaMin; fEtaMax = etaMax; }
72 void SetPtRange(Float_t ptMin, Float_t ptMax) { fPtMin = ptMin; fPtMax = ptMax; }
74 void SetContaminationEnhancement(TH1F* hist) { fContaminationEnhancement = hist; }
76 void CountEmptyBins(AliUEHist::CFStep step, Float_t ptLeadMin, Float_t ptLeadMax);
78 AliUEHist(const AliUEHist &c);
79 AliUEHist& operator=(const AliUEHist& corr);
80 virtual void Copy(TObject& c) const;
82 virtual Long64_t Merge(TCollection* list);
85 void SetStepNames(AliCFContainer* container);
86 void WeightHistogram(TH3* hist1, TH1* hist2);
87 void SetBinLimits(AliCFGridSparse* grid);
88 void ResetBinLimits(AliCFGridSparse* grid);
90 AliCFContainer* fTrackHist[4]; // container for track level distributions in four regions (toward, away, min, max) and at four analysis steps
91 AliCFContainer* fEventHist; // container for event level distribution at four analysis steps
92 AliCFContainer* fTrackHistEfficiency; // container for tracking efficiency and contamination (all particles filled including leading one): axes: eta, pT, particle species
94 Float_t fEtaMin; // eta min for projections
95 Float_t fEtaMax; // eta max for projections
96 Float_t fPtMin; // pT min for projections (for track pT, not pT,lead)
97 Float_t fPtMax; // pT max for projections (for track pT, not pT,lead)
99 TH1F* fContaminationEnhancement; // histogram that contains the underestimation of secondaries in the MC as function of pT
101 Bool_t fCombineMinMax; // flag to combine min and max to a general towards region
103 AliCFContainer* fCache; //! cache variable for GetTrackEfficiency
105 ClassDef(AliUEHist, 3) // underlying event histogram container