#ifndef ALIPERFORMANCEPTCALIBMC_H #define ALIPERFORMANCEPTCALIBMC_H //---------------------------------------------------------------------------------------------------- // Class to study systematic shifts in pt and charge/pt respectively. Furthermore a comparison between // either ESD or TPC and MC track momenta is included. // Track cuts and a user defined shift in 1/pt can be switched on and off by user. // // Analysis with class AliPerfAnalyzeInvPt via AliPerformancePtCalibMC::Analyse().: // Projection of 1/pt vs theta and vs phi resp. Histograms will be fitted with either // polynomial or gaussian fit function to extract minimum position of 1/pt. // Fit options and theta, phi bins can be set by user. // Attention: use the Set* functions of AliPerformancePtCalibMC when running AliPerformancePtCalibMC::Analyse(). // // Author: S. Schuchmann 11/13/2009 //---------------------------------------------------------------------------------------------------- class TString; class TNamed; class TCanvas; class TH1F; class TH2F; class TList; class AliESDVertex; class AliESDtrack; class AliMCEvent; class AliStack; class AliTrackReference; class AliESDEvent; class AliESDfriend; class AliESDfriendTrack; class AliMCParticle; class AliMCInfoCuts; class AliRecInfoCuts; class AliESDtrackCuts; #include "THnSparse.h" #include "AliPerformanceObject.h" class AliPerformancePtCalibMC : public AliPerformanceObject { public: AliPerformancePtCalibMC(const char *name= "AliPerformancePtCalibMC", const char *title="AliPerformancePtCalibMC"); virtual ~AliPerformancePtCalibMC() ; // Init data members virtual void Init(); // Execute analysis virtual void Exec(AliMCEvent* const mcEvent, AliESDEvent *const esdEvent, AliESDfriend *const esdFriend, const Bool_t bUseMC, const Bool_t bUseESDfriend); // Merge output objects (needed by PROOF) virtual Long64_t Merge(TCollection* const list); // Analyse output histograms virtual void Analyse(); // Get analysis folder virtual TFolder* GetAnalysisFolder() const {return fAnalysisFolder;} // Options for track cuts void SetReadTPCTracks(const Bool_t readTPC) {fOptTPC = readTPC;}//read only ESD tracks void SetEtaRange(const Double_t eta) {fEtaAcceptance = eta ;}//sets eta window void SetAliESDtrackCuts( AliESDtrackCuts* esdTrackCuts) { fESDTrackCuts = esdTrackCuts;fESDcuts=kTRUE;}//esd track cuts // only pions void SetAnalysePions(const Bool_t anaPions) {fPions = anaPions;} //user defined shift in charge/pt void SetPtShift(const Double_t shiftVal); //sets user defined shift in charge/pt // setters for analysis with AliPerformancePtCalibMC::Analyse() 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) 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) void SetMakeFitOption(const Bool_t setGausFit, const Double_t exclusionR,const Double_t fitR );// set fit options void SetDoRebin(const Int_t rebin){if(rebin) {fDoRebin = kTRUE; fRebin = rebin;}} void SetAnaMCOff() {fAnaMC = kFALSE;} // switch analysis of MC true tracks off const TList *GetHistoList() {return fList;} // get list of histograms // Create folder for analysed histograms TFolder *CreateFolder(TString folder = "folderPtCalib",TString title = "Analysed PtCalib histograms"); // Export objects to folder TFolder *ExportToFolder(TObjArray * array=0); // Selection cuts void SetAliRecInfoCuts(AliRecInfoCuts* const cuts=0) {fCutsRC = cuts;} void SetAliMCInfoCuts(AliMCInfoCuts* const cuts=0) {fCutsMC = cuts;} AliRecInfoCuts* GetAliRecInfoCuts() const {return fCutsRC;} AliMCInfoCuts* GetAliMCInfoCuts() const {return fCutsMC;} protected: // variables for fitting in Analyse() function Double_t fThetaBins[100];// array of theta bins for projection of charge/pt vs theta Double_t fPhiBins[100]; // array of phi bins for projection of charge/pt vs theta Int_t fNThetaBins;// sets number of theta bins Int_t fNPhiBins ;// sets number of phi bins Double_t fMaxPhi;// max phi for 2D projection on theta and charge/pt axis Double_t fMinPhi;// min phi for 2D projection on theta and charge/pt axis Double_t fMaxTheta;// max theta for 2D projection on phi and charge/pt axis Double_t fMinTheta;// min theta for 2D projection on phi and charge/pt axis Double_t fRange;// sets fit range Double_t fExclRange ;// sets range of rejection of points around 0 Bool_t fFitGaus ;// flag for usage of gaussian fit function Bool_t fDoRebin;// flag for rebin 1D histos before fitting Int_t fRebin;// number of bins for rebin Bool_t fAnaMC;// flag for analysis of MC tracks private: // option for user defined shift in charge/pt Bool_t fShift;//flag for shift in charge/pt Double_t fDeltaInvP;// shift value of charge/pt //options for cuts Bool_t fOptTPC;// flag for reading of TPC tracks in Exec Bool_t fESDcuts;//flag for usage of esd track cuts Bool_t fPions;// flag for analzsing pions instead of all charged particles //ESD track cut values Double_t fEtaAcceptance;//sets value of eta window AliRecInfoCuts* fCutsRC; // selection cuts for reconstructed tracks AliMCInfoCuts* fCutsMC; // selection cuts for MC tracks TList *fList;// list of histograms // histograms and THnSparse THnSparseF *fHistInvPtPtThetaPhi;// is filled with charge/pt, pt, theta, phi for ESD or TPC TH1F *fHistPtShift0;//if shift in charge/pt is set by user, this histogram shows pt wihtout shift TH1F *fHistPrimaryVertexPosX;// primary vertex position x TH1F *fHistPrimaryVertexPosY;// primary vertex position y TH1F *fHistPrimaryVertexPosZ;// primary vertex position z TH1F *fHistTrackMultiplicity; // track multiplicity TH1F *fHistTrackMultiplicityCuts;//track multiplicity after all cuts are applied TH2F *fHistTPCMomentaPosP;//TPC p vs global esd track p for positive tracks TH2F *fHistTPCMomentaNegP;//TPC p vs global esd track p for negative tracks TH2F *fHistTPCMomentaPosPt;//TPC pt vs global esd track p positive tracks TH2F *fHistTPCMomentaNegPt;//TPC pt vs global esd track p for negative tracks THnSparseF *fHistInvPtPtThetaPhiMC;// is filled with charge/pt, pt, theta, phi for MC true TH2F *fHistInvPtMCESD;// charge/pt of ESD vs MC TH2F *fHistInvPtMCTPC;// charge/pt of TPC vs MC TH2F *fHistPtMCESD;//pt of ESD vs MC TH2F *fHistPtMCTPC;//pt of TPC vs MC TH2F *fHistMomresMCESD; //(pt ESD - pt MC)/ptMC vs pt MC TH2F *fHistMomresMCTPC; //(pt TPC - pt MC)/ptMC vs pt MC TH2F *fHistTPCMomentaPosInvPtMC;//TPC-MC of 1/pt vs global ESD-MC of charge/pt of positive tracks TH2F *fHistTPCMomentaNegInvPtMC;//TPC-MC of 1/pt vs global ESD-MC of charge/pt of negative tracks TH2F *fHistTPCMomentaPosPtMC;//TPC-MC of pt vs global ESD-MC of pt of positive tracks TH2F *fHistTPCMomentaNegPtMC;//TPC-MC of pt vs global ESD-MC of pt of negative tracks TH1F *fHistESDMomentaPosInvPtMC;//ESD-MC of charge/pt of positive tracks TH1F *fHistESDMomentaNegInvPtMC;//ESD-MC of charge/pt of negative tracks TH1F *fHistESDMomentaPosPtMC;//ESD-MC of pt of positive tracks TH1F *fHistESDMomentaNegPtMC;//ESD-MC of pt of negative tracks TH1F *fHistUserPtShift;// shows the shift value if set by user TH2F *fHistdedxPions;// dEdx vs cahrge*pt AliESDtrackCuts* fESDTrackCuts;// esd track cuts // analysis folder TFolder *fAnalysisFolder; // folder for analysed histograms AliPerformancePtCalibMC(const AliPerformancePtCalibMC&); // not implemented AliPerformancePtCalibMC& operator=(const AliPerformancePtCalibMC&); // not implemented ClassDef(AliPerformancePtCalibMC, 1); }; #endif