1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
16 //-----------------------------------------------------------------------
17 // Author : Marta Verweij - UU
18 //-----------------------------------------------------------------------
20 #ifndef ALIPWG4HIGHPTSPECTRA_H
21 #define ALIPWG4HIGHPTSPECTRA_H
23 #include "AliAnalysisTask.h"
24 #include "AliCFManager.h"
35 class AliESDtrackCuts;
42 class AliGenPythiaEventHeader;
43 class AliGenHijingEventHeader;
45 class AliPWG4HighPtSpectra : public AliAnalysisTask {
49 kStepReconstructed = 0,
51 kStepReconstructedMC = 2,
55 AliPWG4HighPtSpectra();
56 AliPWG4HighPtSpectra(const Char_t* name);
57 // AliPWG4HighPtSpectra& operator= (const AliPWG4HighPtSpectra& c);
58 // AliPWG4HighPtSpectra(const AliPWG4HighPtSpectra& c);
59 ~AliPWG4HighPtSpectra() {;};
61 // ANALYSIS FRAMEWORK STUFF to loop on data and fill output objects
62 virtual void LocalInit();
63 virtual void ConnectInputData(Option_t *);
64 virtual void CreateOutputObjects();
65 virtual void Exec(Option_t *option);
66 virtual void Terminate(Option_t *);
67 virtual Bool_t Notify(); //Copied from AliAnalysisTaskJetSpectrum2
69 Bool_t IsPbPb() {return fIsPbPb;} //is PbPb data?
70 Bool_t SelectEvent(); //decides if event is used for analysis
71 Int_t CalculateCentrality(AliVEvent *event);
74 void SetIsPbPb(Bool_t cs) {fIsPbPb = cs;}
75 void SetCentralityClass(int cent) {fCentClass=cent;}
76 void SetTriggerMask(UInt_t t) {fTriggerMask=t;}
78 // CORRECTION FRAMEWORK RELATED FUNCTIONS
79 void SetCFManagerPos(const AliCFManager* io1) {fCFManagerPos = io1;} // global correction manager
80 const AliCFManager * GetCFManagerPos() const {return fCFManagerPos;} // get corr manager
81 void SetCFManagerNeg(const AliCFManager* io2) {fCFManagerNeg = io2;} // global correction manager
82 const AliCFManager * GetCFManagerNeg() const {return fCFManagerNeg;} // get corr manager
84 //if fTrackType=0 (Global)
85 //if fTrackType=1 (TPConly)
86 //if fTrackType=2 (TPConly constrained)
87 void SetTrackType(Int_t trackType) {fTrackType = trackType;}
88 //AliESDtrackCuts setters
89 void SetCuts(AliESDtrackCuts* trackCuts) {fTrackCuts = trackCuts;} // Needs to be specified for ESD analysis, not for AOD analysis
90 void SetFilterMask(Int_t filtermask) {fFilterMask = filtermask;} // Needs to be specified for AOD analysis, not for ESD analysis
91 void SetCutsReject(AliESDtrackCuts* trackCuts) {fTrackCutsReject = trackCuts;}
92 void SelectHIJINGOnly(Bool_t b) {fbSelectHIJING = b;}
94 Bool_t IsHIJINGParticle(Int_t label);
96 void SetSigmaConstrainedMax(Double_t sigma) {fSigmaConstrainedMax=sigma;}
99 Bool_t IsReadAODData() const {return fReadAODData;}
100 void SetReadAODData(Bool_t flag=kTRUE) {fReadAODData=flag;}
102 Bool_t IsUsingPythiaInfo() const {return fNoPythiaInfo;}
103 void SetNoPythiaInfo() {fNoPythiaInfo=kTRUE;}
105 static AliGenPythiaEventHeader* GetPythiaEventHeader(AliMCEvent *mcEvent);
106 static AliGenHijingEventHeader* GetHijingEventHeader(AliMCEvent *mcEvent);
108 static Bool_t PythiaInfoFromFile(const char* currFile,Float_t &fXsec,Float_t &fTrials);// get the cross section and the trails either from pyxsec.root or from pysec_hists.root
113 Bool_t fReadAODData ; // flag for AOD/ESD input files
114 Bool_t fNoPythiaInfo ; // flag to skip reading pyxsec.root and plotting output
115 const AliCFManager *fCFManagerPos ; //! pointer to the CF manager for positive charged particles
116 const AliCFManager *fCFManagerNeg ; //! pointer to the CF manager for negative charged particles
118 AliESDEvent *fESD; //! ESD object
119 AliAODEvent *fAOD; //! AOD object
120 AliMCEvent *fMC; //! MC event object, only used in ESD analysis
121 AliStack *fStack; //! stack object
123 const AliVVertex *fVtx; //! vertex object
125 UInt_t fTriggerMask; // Trigger mask to select events
126 Bool_t fIsPbPb; // kTRUE if PbPb
127 Int_t fCentClass; // Select only events from predefined centrality class
129 Int_t fTrackType; // Type of track to be used in analysis
130 //AliESDtrackCuts options and FilterMask. The former is must be setted in AddTaskPWG4HighPTSpectra.C for ESD analysis, the latter must be setted in AddTaskPWG4HighPTSpectra.C for AOD analysis. The AliESDtrackCuts correspond with different steps in container.
131 AliESDtrackCuts *fTrackCuts; // trackCuts applied to global tracks
132 AliESDtrackCuts *fTrackCutsReject; // trackCuts to reject tracks (hybrid case)
133 Int_t fFilterMask; // Filtermask specifying track cuts. See https://twiki.cern.ch/twiki/bin/view/ALICE/PWGPPAODTrackCuts for values.
135 Bool_t fbSelectHIJING; //Select only particles from HIJING event
137 Double_t fSigmaConstrainedMax; // max sigma on constrained fit
140 AliPWG4HighPtSpectra(const AliPWG4HighPtSpectra&);
141 AliPWG4HighPtSpectra& operator=(const AliPWG4HighPtSpectra&);
143 Float_t fAvgTrials; // Average number of trials
147 TList *fHistList; //! List of output histograms
148 TH1F *fNEventAll; //! Event counter
149 TH1F *fNEventSel; //! Event counter: Selected events for analysis
150 TH1F *fNEventReject; //! Book keeping of reason of rejecting events
152 TH1F *fh1Centrality; //! Centrality
154 TProfile* fh1Xsec; //! pythia cross section and trials
155 TH1F* fh1Trials; //! trials which are added
156 TH1F* fh1PtHard; //! pt hard of the event
157 TH1F* fh1PtHardTrials; //! pt hard of the event
159 TH2F *fPtRelUncertainty1PtPrim; //! Pt vs relUncertainty1Pt for primary particles
160 TH2F *fPtRelUncertainty1PtSec; //! Pt vs relUncertainty1Pt for secondary particles
162 ClassDef(AliPWG4HighPtSpectra,3);