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[u/mrichter/AliRoot.git] / PWGJE / EMCALJetTasks / AliAnalysisTaskLocalRho.h
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5ce0dc6d 1#ifndef ALIANALYSISTASKLOCALRHO_H
2#define ALIANALYSISTASKLOCALRHO_H
3
4// $Id$
5
9e5eee5d 6#include <AliAnalysisTaskEmcalJetDev.h>
5ce0dc6d 7#include <AliEmcalJet.h>
8#include <AliVEvent.h>
9#include <AliVTrack.h>
10#include <AliVCluster.h>
11#include <TClonesArray.h>
12#include <TMath.h>
13#include <TRandom3.h>
9e5eee5d 14#include <AliLog.h>
15#include <AliJetContainer.h>
5ce0dc6d 16
17class TF1;
18class THF1;
19class THF2;
20class TProfile;
21class AliLocalRhoParameter;
22
9e5eee5d 23class AliAnalysisTaskLocalRho : public AliAnalysisTaskEmcalJetDev {
5ce0dc6d 24 public:
25 // enumerators
26 enum fitModulationType { kNoFit, kV2, kV3, kCombined, kFourierSeries, kIntegratedFlow, kQC2, kQC4 }; // fit type
27 enum detectorType { kTPC, kVZEROA, kVZEROC, kVZEROComb}; // detector that was used
28 enum qcRecovery { kFixedRho, kNegativeVn, kTryFit }; // how to deal with negative cn value for qcn value
29 enum runModeType { kLocal, kGrid }; // run mode type
30 // constructors, destructor
31 AliAnalysisTaskLocalRho();
32 AliAnalysisTaskLocalRho(const char *name, runModeType type);
33 virtual ~AliAnalysisTaskLocalRho();
34 // setting up the task and technical aspects
7dd1eeea 35 void ExecOnce();
5ce0dc6d 36 Bool_t InitializeAnalysis();
37 virtual void UserCreateOutputObjects();
38 TH1F* BookTH1F(const char* name, const char* x, Int_t bins, Double_t min, Double_t max, Int_t c = -1, Bool_t append = kTRUE);
39 TH2F* BookTH2F(const char* name, const char* x, const char* y, Int_t binsx, Double_t minx, Double_t maxx, Int_t binsy, Double_t miny, Double_t maxy, Int_t c = -1, Bool_t append = kTRUE);
40 virtual Bool_t Run();
41 /* inline */ Double_t PhaseShift(Double_t x) const {
42 while (x>=TMath::TwoPi())x-=TMath::TwoPi();
43 while (x<0.)x+=TMath::TwoPi();
44 return x; }
45 /* inline */ Double_t PhaseShift(Double_t x, Double_t n) const {
46 x = PhaseShift(x);
47 if(TMath::Nint(n)==2) while (x>TMath::Pi()) x-=TMath::Pi();
48 if(TMath::Nint(n)==3) {
49 if(x>2.*TMath::TwoPi()/n) x = TMath::TwoPi() - x;
50 if(x>TMath::TwoPi()/n) x = TMath::TwoPi()-(x+TMath::TwoPi()/n);
51 }
52 return x; }
53 /* inline */ Double_t ChiSquarePDF(Int_t ndf, Double_t x) const {
54 Double_t n(ndf/2.), denom(TMath::Power(2, n)*TMath::Gamma(n));
55 if (denom!=0) return ((1./denom)*TMath::Power(x, n-1)*TMath::Exp(-x/2.));
56 return -999; }
9e5eee5d 57 // the cdf of the chisquare distribution is the normalized lower incomplete gamma function
5ce0dc6d 58 /* inline */ Double_t ChiSquareCDF(Int_t ndf, Double_t x) const { return TMath::Gamma(ndf/2., x/2.); }
59 // setters - setup how to run
60 void SetDebugMode(Int_t d) {fDebug = d;}
61 void SetCentralityClasses(TArrayI* c) {fCentralityClasses = c;}
62 void SetAttachToEvent(Bool_t a) {fAttachToEvent = a;}
20ace3c2 63 void SetUseScaledRho(Bool_t s) {fUseScaledRho = s;}
5ce0dc6d 64 void SetFillHistograms(Bool_t b) {fFillHistograms = b;}
65 // setters - analysis details
66 void SetNoEventWeightsForQC(Bool_t e) {fNoEventWeightsForQC = e;}
67 void SetIntegratedFlow(TH1F* i, TH1F* j) {fUserSuppliedV2 = i;
68 fUserSuppliedV3 = j; }
69 void SetOnTheFlyResCorrection(TH1F* r2, TH1F* r3) {fUserSuppliedR2 = r2;
70 fUserSuppliedR3 = r3; }
0004064b 71 void SetModulationFit(TF1* fit);
5ce0dc6d 72 void SetModulationFitMinMaxP(Float_t m, Float_t n) {fMinPvalue = m; fMaxPvalue = n; }
73 void SetModulationFitType(fitModulationType type) {fFitModulationType = type; }
74 void SetQCnRecoveryType(qcRecovery type) {fQCRecovery = type; }
75 void SetModulationFitOptions(TString opt) {fFitModulationOptions = opt; }
76 void SetReferenceDetector(detectorType type) {fDetectorType = type; }
77 void SetUsePtWeight(Bool_t w) {fUsePtWeight = w; }
78 void SetRunModeType(runModeType type) {fRunModeType = type; }
79 void SetForceAbsVnHarmonics(Bool_t f) {fAbsVnHarmonics = f; }
80 void SetExcludeLeadingJetsFromFit(Float_t n) {fExcludeLeadingJetsFromFit = n; }
81 void SetRebinSwapHistoOnTheFly(Bool_t r) {fRebinSwapHistoOnTheFly = r; }
82 void SetSaveThisPercentageOfFits(Float_t p) {fPercentageOfFits = p; }
83 void SetUseV0EventPlaneFromHeader(Bool_t h) {fUseV0EventPlaneFromHeader = h;}
84 void SetSoftTrackMinMaxPt(Float_t min, Float_t max) {fSoftTrackMinPt = min; fSoftTrackMaxPt = max;}
85 // getters
86 TString GetLocalRhoName() const {return fLocalRhoName; }
87 // numerical evaluations
88 void CalculateEventPlaneVZERO(Double_t vzero[2][2]) const;
89 void CalculateEventPlaneTPC(Double_t* tpc);
90 void CalculateEventPlaneCombinedVZERO(Double_t* comb) const;
91 Double_t CalculateQC2(Int_t harm);
92 Double_t CalculateQC4(Int_t harm);
93 // helper calculations for the q-cumulant analysis, also used by AliAnalyisTaskJetFlow
94 void QCnQnk(Int_t n, Int_t k, Double_t &reQ, Double_t &imQ);
95 Double_t QCnS(Int_t i, Int_t j);
96 Double_t QCnM();
97 Double_t QCnM11();
98 Double_t QCnM1111();
99 Bool_t QCnRecovery(Double_t psi2, Double_t psi3);
100 // analysis details
101 Bool_t CorrectRho(Double_t psi2, Double_t psi3);
102 void FillEventPlaneHistograms(Double_t psi2, Double_t psi3) const;
103 void FillAnalysisSummaryHistogram() const;
104 // track selection
9e5eee5d 105 /* inline */ Bool_t PassesCuts(AliVTrack* track) const { return AcceptTrack(track, 0);}
106 /* inline */ Bool_t PassesCuts(AliEmcalJet* jet) { return AcceptJet(jet, 0);}
5ce0dc6d 107 virtual void Terminate(Option_t* option);
108
109 private:
110 Int_t fDebug; // debug level (0 none, 1 fcn calls, 2 verbose)
111 Bool_t fInitialized; //! is the analysis initialized?
112 Bool_t fAttachToEvent; // attach local rho to the event
113 Bool_t fFillHistograms; // fill qa histograms
114 Bool_t fNoEventWeightsForQC; // don't store event weights for qc analysis
20ace3c2 115 Bool_t fUseScaledRho; // use scaled rho
eeb9d780 116 TArrayI* fCentralityClasses; // centrality classes (maximum 10) used for QA
5ce0dc6d 117 TH1F* fUserSuppliedV2; // histo with integrated v2
118 TH1F* fUserSuppliedV3; // histo with integrated v3
119 TH1F* fUserSuppliedR2; // correct the extracted v2 with this r
120 TH1F* fUserSuppliedR3; // correct the extracted v3 with this r
121 Int_t fNAcceptedTracks; //! number of accepted tracks
122 Int_t fNAcceptedTracksQCn; //! accepted tracks for QCn
123 Int_t fInCentralitySelection; //! centrality bin, only for QA plots
124 fitModulationType fFitModulationType; // fit modulation type
125 qcRecovery fQCRecovery; // recovery type for e-by-e qc method
126 Bool_t fUsePtWeight; // use dptdphi instead of dndphi
127 detectorType fDetectorType; // type of detector used for modulation fit
128 TString fFitModulationOptions; // fit options for modulation fit
129 runModeType fRunModeType; // run mode type
eeb9d780 130 TF1* fFitModulation; // modulation fit for rho
5ce0dc6d 131 Float_t fMinPvalue; // minimum value of p
132 Float_t fMaxPvalue; // maximum value of p
5ce0dc6d 133 // additional jet cuts (most are inherited)
134 Float_t fLocalJetMinEta; // local eta cut for jets
135 Float_t fLocalJetMaxEta; // local eta cut for jets
136 Float_t fLocalJetMinPhi; // local phi cut for jets
137 Float_t fLocalJetMaxPhi; // local phi cut for jets
138 Float_t fSoftTrackMinPt; // min pt for soft tracks
139 Float_t fSoftTrackMaxPt; // max pt for soft tracks
140 // general qa histograms
141 TH1F* fHistPvalueCDF; //! cdf value of chisquare p
142 // general settings
143 Bool_t fAbsVnHarmonics; // force postive local rho
144 Float_t fExcludeLeadingJetsFromFit; // exclude n leading jets from fit
145 Bool_t fRebinSwapHistoOnTheFly; // rebin swap histo on the fly
146 Float_t fPercentageOfFits; // save this percentage of fits
147 Bool_t fUseV0EventPlaneFromHeader; // use the vzero event plane from the header
148 // transient object pointers
149 TList* fOutputList; //! output list
150 TList* fOutputListGood; //! output list for local analysis
151 TList* fOutputListBad; //! output list for local analysis
152 TH1F* fHistSwap; //! swap histogram
153 TH1F* fHistAnalysisSummary; //! flags
154 TProfile* fProfV2; //! extracted v2
155 TProfile* fProfV2Cumulant; //! v2 cumulant
156 TProfile* fProfV3; //! extracted v3
157 TProfile* fProfV3Cumulant; //! v3 cumulant
158 TH1F* fHistPsi2[10]; //! psi 2
159 TH1F* fHistPsi3[10]; //! psi 3
160
161 AliAnalysisTaskLocalRho(const AliAnalysisTaskLocalRho&); // not implemented
162 AliAnalysisTaskLocalRho& operator=(const AliAnalysisTaskLocalRho&); // not implemented
163
9e5eee5d 164 ClassDef(AliAnalysisTaskLocalRho, 4);
5ce0dc6d 165};
166
167#endif