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5ce0dc6d | 1 | #ifndef ALIANALYSISTASKLOCALRHO_H |
2 | #define ALIANALYSISTASKLOCALRHO_H | |
3 | ||
4 | // $Id$ | |
5 | ||
9239b066 | 6 | #include <AliAnalysisTaskEmcalJet.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 | |
17 | class TF1; | |
18 | class THF1; | |
19 | class THF2; | |
20 | class TProfile; | |
21 | class AliLocalRhoParameter; | |
22 | ||
9239b066 | 23 | class AliAnalysisTaskLocalRho : public AliAnalysisTaskEmcalJet { |
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 | |
35 | void ExecOnce(); | |
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, | |
40 | Int_t binsy, Double_t miny, Double_t maxy, Int_t c = -1, Bool_t append = kTRUE); | |
41 | virtual Bool_t Run(); | |
42 | /* inline */ Double_t PhaseShift(Double_t x) const { | |
43 | while (x>=TMath::TwoPi())x-=TMath::TwoPi(); | |
44 | while (x<0.)x+=TMath::TwoPi(); | |
45 | return x; } | |
46 | /* inline */ Double_t PhaseShift(Double_t x, Double_t n) const { | |
47 | x = PhaseShift(x); | |
48 | if(TMath::Nint(n)==2) while (x>TMath::Pi()) x-=TMath::Pi(); | |
49 | if(TMath::Nint(n)==3) { | |
50 | if(x>2.*TMath::TwoPi()/n) x = TMath::TwoPi() - x; | |
51 | if(x>TMath::TwoPi()/n) x = TMath::TwoPi()-(x+TMath::TwoPi()/n); | |
52 | } | |
53 | return x; } | |
54 | /* inline */ Double_t ChiSquarePDF(Int_t ndf, Double_t x) const { | |
55 | Double_t n(ndf/2.), denom(TMath::Power(2, n)*TMath::Gamma(n)); | |
56 | if (denom!=0) return ((1./denom)*TMath::Power(x, n-1)*TMath::Exp(-x/2.)); | |
57 | return -999; } | |
58 | // the cdf of the chisquare distribution is the normalized lower incomplete gamma function | |
59 | /* inline */ Double_t ChiSquareCDF(Int_t ndf, Double_t x) const { return TMath::Gamma(ndf/2., x/2.); } | |
60 | // setters - setup how to run | |
61 | void SetDebugMode(Int_t d) {fDebug = d;} | |
62 | void SetCentralityClasses(TArrayI* c) {fCentralityClasses = c;} | |
63 | void SetAttachToEvent(Bool_t a) {fAttachToEvent = a;} | |
64 | void SetUseScaledRho(Bool_t s) {fUseScaledRho = s;} | |
65 | void SetFillHistograms(Bool_t b) {fFillHistograms = b;} | |
66 | // setters - analysis details | |
67 | void SetNoEventWeightsForQC(Bool_t e) {fNoEventWeightsForQC = e;} | |
68 | void SetIntegratedFlow(TH1F* i, TH1F* j) {fUserSuppliedV2 = i; fUserSuppliedV3 = j; } | |
69 | void SetOnTheFlyResCorrection(TH1F* r2, TH1F* r3) {fUserSuppliedR2 = r2; fUserSuppliedR3 = r3; } | |
70 | void SetModulationFit(TF1* fit); | |
71 | void SetModulationFitMinMaxP(Float_t m, Float_t n) {fMinPvalue = m; fMaxPvalue = n; } | |
72 | void SetModulationFitType(fitModulationType type) {fFitModulationType = type; } | |
73 | void SetQCnRecoveryType(qcRecovery type) {fQCRecovery = type; } | |
74 | void SetModulationFitOptions(TString opt) {fFitModulationOptions = opt; } | |
75 | void SetReferenceDetector(detectorType type) {fDetectorType = type; } | |
76 | void SetUsePtWeight(Bool_t w) {fUsePtWeight = w; } | |
e6f3d431 | 77 | void SetUsePtWeightErrorPropagation(Bool_t w) {fUsePtWeightErrorPropagation = w;} |
9239b066 | 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 | |
105 | /* inline */ Bool_t PassesCuts(AliVTrack* track) const { return AcceptTrack(track, 0);} | |
106 | /* inline */ Bool_t PassesCuts(AliEmcalJet* jet) { return AcceptJet(jet, 0);} | |
107 | virtual void Terminate(Option_t* option); | |
5ce0dc6d | 108 | |
9239b066 | 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 | |
115 | Bool_t fUseScaledRho; // use scaled rho | |
116 | TArrayI* fCentralityClasses; // centrality classes (maximum 10) used for QA | |
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 | |
e6f3d431 | 127 | Bool_t fUsePtWeightErrorPropagation; // recalculate the bin error on the dpt dphi histogram |
9239b066 | 128 | detectorType fDetectorType; // type of detector used for modulation fit |
129 | TString fFitModulationOptions; // fit options for modulation fit | |
130 | runModeType fRunModeType; // run mode type | |
131 | TF1* fFitModulation; // modulation fit for rho | |
132 | Float_t fMinPvalue; // minimum value of p | |
133 | Float_t fMaxPvalue; // maximum value of p | |
134 | // additional jet cuts (most are inherited) | |
135 | Float_t fLocalJetMinEta; // local eta cut for jets | |
136 | Float_t fLocalJetMaxEta; // local eta cut for jets | |
137 | Float_t fLocalJetMinPhi; // local phi cut for jets | |
138 | Float_t fLocalJetMaxPhi; // local phi cut for jets | |
139 | Float_t fSoftTrackMinPt; // min pt for soft tracks | |
140 | Float_t fSoftTrackMaxPt; // max pt for soft tracks | |
141 | // general qa histograms | |
142 | TH1F* fHistPvalueCDF; //! cdf value of chisquare p | |
e64ad794 | 143 | TH2F* fHistRhoStatusCent; //! status of rho vs centrality |
9239b066 | 144 | // general settings |
145 | Bool_t fAbsVnHarmonics; // force postive local rho | |
146 | Float_t fExcludeLeadingJetsFromFit; // exclude n leading jets from fit | |
147 | Bool_t fRebinSwapHistoOnTheFly; // rebin swap histo on the fly | |
148 | Float_t fPercentageOfFits; // save this percentage of fits | |
149 | Bool_t fUseV0EventPlaneFromHeader; // use the vzero event plane from the header | |
150 | // transient object pointers | |
151 | TList* fOutputList; //! output list | |
152 | TList* fOutputListGood; //! output list for local analysis | |
153 | TList* fOutputListBad; //! output list for local analysis | |
154 | TH1F* fHistSwap; //! swap histogram | |
155 | TH1F* fHistAnalysisSummary; //! flags | |
156 | TProfile* fProfV2; //! extracted v2 | |
157 | TProfile* fProfV2Cumulant; //! v2 cumulant | |
158 | TProfile* fProfV3; //! extracted v3 | |
159 | TProfile* fProfV3Cumulant; //! v3 cumulant | |
160 | TH1F* fHistPsi2[10]; //! psi 2 | |
161 | TH1F* fHistPsi3[10]; //! psi 3 | |
5ce0dc6d | 162 | |
9239b066 | 163 | AliAnalysisTaskLocalRho(const AliAnalysisTaskLocalRho&); // not implemented |
164 | AliAnalysisTaskLocalRho& operator=(const AliAnalysisTaskLocalRho&); // not implemented | |
5ce0dc6d | 165 | |
e64ad794 | 166 | ClassDef(AliAnalysisTaskLocalRho, 5); |
5ce0dc6d | 167 | }; |
5ce0dc6d | 168 | #endif |