2 #ifndef ALIPERFORMANCEPTCALIB_H
3 #define ALIPERFORMANCEPTCALIB_H
4 //----------------------------------------------------------------------------------------------------
5 // Class to study systematic shifts in pt and charge/pt respectively.Furthermore a comparison between
6 // ESD and TPC track momenta is included.
7 // Track cuts and a user defined shift in charge/pt can be switched on and off by user.
9 // Analysis with class AliPerfAnalyzeInvPt via AliPerformancePtCalib::Analyse(). :
10 // Projection of charge/pt vs theta and vs phi resp. Histograms will be fitted with either
11 // polynomial or gaussian fit function to extract minimum position of 1/pt.
12 // Fit options and theta, phi bins can be set by user.
13 // Attention: use the Set* functions of AliPerformancePtCalib when running AliPerformancePtCalib::Analyse().
15 // Author: S. Schuchmann 11/13/2009
16 //----------------------------------------------------------------------------------------------------
29 class AliTrackReference;
32 class AliESDfriendTrack;
35 class AliESDtrackCuts;
38 #include "THnSparse.h"
39 #include "AliPerformanceObject.h"
41 class AliPerformancePtCalib : public AliPerformanceObject {
43 AliPerformancePtCalib();
44 AliPerformancePtCalib(Char_t* name, Char_t* title);//, Int_t analysisMode, Bool_t hptGenerator);
45 virtual ~AliPerformancePtCalib();
51 virtual void Exec(AliMCEvent* const mcEvent, AliESDEvent *const esdEvent, AliESDfriend *const esdFriend, const Bool_t bUseMC, const Bool_t bUseESDfriend);
53 // Merge output objects (needed by PROOF)
54 virtual Long64_t Merge(TCollection* const list);
56 // Analyse output histograms
57 virtual void Analyse();
59 // Get analysis folder
60 virtual TFolder* GetAnalysisFolder() const {return fAnalysisFolder;}
62 void SetReadTPCTracks(const Bool_t readTPC) {fOptTPC = readTPC;}//read only ESD tracks
63 void SetEtaRange(const Double_t eta) {fEtaAcceptance = eta ;}//sets eta window
65 void SetAliESDtrackCuts( AliESDtrackCuts* esdTrackCuts) { fESDTrackCuts = esdTrackCuts;fESDcuts=kTRUE;}//esd track cuts
67 void SetAnalysePions(const Bool_t anaPions) {fPions = anaPions;}
68 void SetPtShift(const Double_t shiftVal); // set user defined shift in charge/pt
70 // setters for analysis with AliPerformancePtCalib::Analyse()
71 void SetProjBinsPhi(const Double_t *pBins,const Int_t sizep,const Double_t minTheta, const Double_t maxTheta);// set phi bins for projection and theta range selection (rad)
72 void SetProjBinsTheta(const Double_t *tBins, const Int_t sizet,const Double_t minPhi, const Double_t maxPhi);// set theta bins for projection and phi range selection (rad)
73 void SetMakeFitOption(const Bool_t setGausFit, const Double_t exclusionR,const Double_t fitR );//set fit options
74 void SetDoRebin(const Int_t rebin){if(rebin) {fDoRebin = kTRUE; fRebin = rebin;}}
75 const TList *GetHistoList() {return fList;}// get list of histograms for analysis
77 // Create folder for analysed histograms
78 TFolder *CreateFolder(TString folder = "folderPtCalib",TString title = "Analysed PtCalib histograms");
80 // Export objects to folder
81 TFolder *ExportToFolder(TObjArray * array=0);
84 void SetAliRecInfoCuts(AliRecInfoCuts* const cuts=0) {fCutsRC = cuts;}
85 void SetAliMCInfoCuts(AliMCInfoCuts* const cuts=0) {fCutsMC = cuts;}
87 AliRecInfoCuts* GetAliRecInfoCuts() const {return fCutsRC;}
88 AliMCInfoCuts* GetAliMCInfoCuts() const {return fCutsMC;}
91 // variables for fitting in Analyse() function
92 Double_t fThetaBins[100];// array of theta bins for projection of 1/pt vs theta
93 Double_t fPhiBins[100]; // array of phi bins for projection of 1/pt vs theta
95 Int_t fNThetaBins;// sets number of theta bins
96 Int_t fNPhiBins ;// sets number of phi bins
97 Double_t fMaxPhi;// max phi for 2D projection on theta and charge/pt axis
98 Double_t fMinPhi;// min phi for 2D projection on theta and charge/pt axis
99 Double_t fMaxTheta;// max theta for 2D projection on phi and charge/pt axis
100 Double_t fMinTheta;// min theta for 2D projection on phi and charge/pt axis
101 Double_t fRange;// sets fit range
102 Double_t fExclRange ;// sets range of rejection of points around 0
103 Bool_t fFitGaus ;// flag for usage of gaussian fit function
104 Bool_t fDoRebin;// flag for rebin 1D histos before fitting
105 Int_t fRebin;// number of bins for rebin
108 // option for user defined shift in charge/pt
109 Bool_t fShift;//flag for shift in charge/pt
110 Double_t fDeltaInvP;// shift value of charge/pt
113 Bool_t fOptTPC;// flag for reading of TPC tracks in Exec
114 Bool_t fESDcuts;//flag for usage of esd track cuts
115 Bool_t fPions;// flag for analzsing pions instead of all charged particles
117 //ESD track cut values
118 Double_t fEtaAcceptance;//sets value of eta window
120 AliRecInfoCuts* fCutsRC; // selection cuts for reconstructed tracks
121 AliMCInfoCuts* fCutsMC; // selection cuts for MC tracks
125 TList *fList;// list of histograms
127 //histograms and THnSparse
128 THnSparseF *fHistInvPtPtThetaPhi;// is filled with charge/pt, pt, theta, phi for ESD or TPC
130 TH1F *fHistPtShift0;//if shift in charge/pt is set by user, this histogram shows pt wihtout shift
131 TH1F *fHistPrimaryVertexPosX;// primary vertex position x
132 TH1F *fHistPrimaryVertexPosY;// primary vertex position y
133 TH1F *fHistPrimaryVertexPosZ;// primary vertex position z
134 TH1F *fHistTrackMultiplicity; // track multiplicity
135 TH1F *fHistTrackMultiplicityCuts;//track multiplicity after all cuts are applied
137 TH2F *fHistTPCMomentaPosP;//TPC p vs global esd track p for positive tracks
138 TH2F *fHistTPCMomentaNegP;//TPC p vs global esd track p for negative tracks
139 TH2F *fHistTPCMomentaPosPt;//TPC pt vs global esd track p positive tracks
140 TH2F *fHistTPCMomentaNegPt;//TPC pt vs global esd track p for negative tracks
143 TH1F *fHistUserPtShift;// shows the shift value if set by user
144 TH2F *fHistdedxPions;// dEdx vs cahrge*pt
146 AliESDtrackCuts* fESDTrackCuts;// esd track cuts
150 TFolder *fAnalysisFolder; // folder for analysed histograms
152 AliPerformancePtCalib(const AliPerformancePtCalib&); // not implemented
153 AliPerformancePtCalib& operator=(const AliPerformancePtCalib&); // not implemented
155 ClassDef(AliPerformancePtCalib, 1);