AliTriggerAnalisys:
[u/mrichter/AliRoot.git] / ANALYSIS / AliPhysicsSelection.h
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61899827 1/* $Id: AliPhysicsSelection.h 35782 2009-10-22 11:54:31Z jgrosseo $ */
2
3#ifndef ALIPHYSICSSELECTION_H
4#define ALIPHYSICSSELECTION_H
5
6/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
7 * See cxx source for full Copyright notice */
8
9//-------------------------------------------------------------------------
10// Implementation of Class AliPhysicsSelection
11//
12// This class selects collision candidates from data runs, applying selection cuts on triggers
13// and background rejection based on the content of the ESD
14//
15// Origin: Jan Fiete Grosse-Oetringhaus, CERN
73cc8654 16// Michele Floris, CERN
61899827 17//-------------------------------------------------------------------------
18
296dd262 19#include <AliAnalysisCuts.h>
61899827 20#include <TList.h>
91bea6e7 21#include "TObjString.h"
141265a2 22#include "AliVEvent.h"
61899827 23
8dec6e35 24//#define VERBOSE_STAT
73cc8654 25
61899827 26class AliESDEvent;
17ba346c 27class TH2F;
73cc8654 28class TH1F;
61899827 29class TCollection;
30class AliTriggerAnalysis;
85c71ba7 31class AliAnalysisTaskSE;
61899827 32
141265a2 33
296dd262 34class AliPhysicsSelection : public AliAnalysisCuts
61899827 35{
9b0cb3c3 36public:
85c71ba7 37
5f337f3d 38public:
869f9767 39 enum {kStatTriggerClass=1,kStatHWTrig,kStatV0ABG,kStatV0CBG,kStatMB1,kStatMB1Prime,kStatFMD,kStatFO1,kStatFO2,kStatFO2L1,kStatV0A,kStatV0C,kStatZDCA,kStatZDCC,kStatZDCAC,kStatZDCTime,kStatV0,kStatOffline,kStatBG,kStatAccepted};
85c71ba7 40
41#ifdef VERBOSE_STAT
8dec6e35 42 enum {kStatRowAllB=0, kStatRowAllAC, kStatRowAllE, kStatRowBG,kStatRowAcc,kStatRowBGFrac,kStatRowAccFrac,kStatRowErrGoodFrac,kStatRowGoodFrac,kStatRowErrGood,kStatRowGood}; // offset wrt fBGStatOffset
85c71ba7 43#else
8dec6e35 44 enum {kStatRowAllB=0, kStatRowAllAC, kStatRowAllE, kStatRowBG, kStatRowAcc,kStatRowGood}; // offset wrt fBGStatOffset
85c71ba7 45#endif
46
47 enum {kStatIdxAll=0,kStatIdxBin0=1};
05e1da5d 48 enum ETriggerLogic { kCINT1 = 0, kCMBS2A, kCMBS2C, kCMBAC, kCMBACS2, kHighMultL1 };
85c71ba7 49
ff097e3f 50 typedef Bool_t (*Bin0Callback_t)(const AliESDEvent *);
85c71ba7 51
52 AliPhysicsSelection();
53 virtual ~AliPhysicsSelection();
61899827 54
85c71ba7 55 // AliAnalysisCuts interface
0c6c629b 56 virtual UInt_t GetSelectionMask(const TObject* obj) { return IsCollisionCandidate((const AliESDEvent*) obj); }
85c71ba7 57 virtual Bool_t IsSelected(TList*) { return kFALSE; }
0c6c629b 58 virtual Bool_t IsSelected(TObject*) {return kFALSE;}
296dd262 59
518b6d59 60 Int_t GetCurrentRun() const {return fCurrentRun;}
0c6c629b 61 UInt_t IsCollisionCandidate(const AliESDEvent* aEsd);
1107e2ce 62 Bool_t Initialize(const AliESDEvent* aEsd);
63 Bool_t Initialize(Int_t runNumber, Bool_t pp);
decf6fd4 64
85c71ba7 65 void SetAnalyzeMC(Bool_t flag = kTRUE) { fMC = flag; }
66 void SetSkipTriggerClassSelection(Bool_t flag = kTRUE) { fSkipTriggerClassSelection = flag; }
67 void SetSkipV0(Bool_t flag=kTRUE) { fSkipV0 = flag;}
8dec6e35 68 void SetSkipZDCTime(Bool_t flag=kTRUE) { fSkipZDCTime = flag;}
91bea6e7 69
85c71ba7 70 void AddBackgroundIdentification(AliAnalysisCuts* background) { fBackgroundIdentification = background; }
296dd262 71
85c71ba7 72 virtual void Print(Option_t* option = "") const;
73 virtual Long64_t Merge(TCollection* list);
8dec6e35 74 void SaveHistograms(const char* folder = 0);
61899827 75
85c71ba7 76 const TList* GetCollisionTriggerClasses() const { return &fCollTrigClasses; }
77 const TList* GetBGTriggerClasses() const { return &fBGTrigClasses; }
78 void AddCollisionTriggerClass(const char* className){ fCollTrigClasses.Add(new TObjString(className)); fUsingCustomClasses = kTRUE; }
79 void AddBGTriggerClass(const char* className) { fBGTrigClasses.Add(new TObjString(className)); fUsingCustomClasses = kTRUE; }
91bea6e7 80
c3a12f21 81 AliTriggerAnalysis* GetTriggerAnalysis(Int_t i = 0) { return (fTriggerAnalysis.GetEntries() > 0) ? (AliTriggerAnalysis*) fTriggerAnalysis.At(i) : 0; }
61899827 82
85c71ba7 83 const TH2F* GetStatisticsHistogram(Int_t idx=kStatIdxAll) const { return fHistStatistics[idx]; }
84 const TH2F* GetBunchCrossingHistogram() const { return fHistBunchCrossing; }
2d45a1a7 85 virtual TObject *GetStatistics(Option_t *option) const;
17ba346c 86
141265a2 87 void SetBIFactors(const AliESDEvent * aESD);
85c71ba7 88
89 void SetUseBXNumbers(Bool_t flag = kTRUE) {fUseBXNumbers = flag;}
141265a2 90 void SetComputeBG (UInt_t flag = AliVEvent::kMB) {fComputeBG = flag; if(flag) fUseBXNumbers = flag;}
85fc0208 91 void SetUseMuonTriggers(Bool_t) { Printf("ERROR: Use of AliPhysicsSelection::SetUseMuonTriggers is deprecated. Use AliVEvent::kMUON selection instead."); }
85c71ba7 92 void SetBin0Callback( const char * cb) {fBin0CallBack = cb;}
ff097e3f 93 void SetBin0CallbackViaPointer( Bin0Callback_t cb) {fBin0CallBackPointer = cb;}// WARNING: THIS SHOULD NOT BE USED, WILL BE REMOVED SOON
73cc8654 94
85c71ba7 95protected:
c2ba5a61 96 UInt_t CheckTriggerClass(const AliESDEvent* aEsd, const char* trigger, Int_t& triggerLogic) const;
85c71ba7 97 Int_t GetTriggerScheme(UInt_t runNumber) const;
98 const char * GetBXIDs(UInt_t runNumber, const char * trigger ) ;
99 const char * GetFillingScheme(UInt_t runNumber) ;
85c71ba7 100 TH2F * BookHistStatistics(const char * tag) ;
141265a2 101 Int_t GetStatRow(const char * triggerBXClass, UInt_t offlineTriggerType, UInt_t ** rowIDs) const;
85c71ba7 102
85c71ba7 103 Int_t fCurrentRun; // run number for which the object is initialized
104 Bool_t fMC; // flag if MC is analyzed
105 TList fCollTrigClasses; // trigger class identifying collision candidates
106 TList fBGTrigClasses; // trigger classes identifying background events
296dd262 107
85c71ba7 108 TList fTriggerAnalysis; // list of offline trigger objects (several are needed to keep the control histograms separate per trigger class)
61899827 109
85c71ba7 110 AliAnalysisCuts* fBackgroundIdentification; // class that performs additional background identification
61899827 111
85c71ba7 112 TH2F* fHistStatistics[2]; // how many events are cut away why {all,bin 0}
113 TH2F* fHistBunchCrossing; // histograms of accepted bunch crossing numbers
73cc8654 114 TH1F* fHistTriggerPattern; // Pattern of the individual detectors in the MB1 trigger. Can reveal inconsistencies/inefficiencies in the trigger
61899827 115
85c71ba7 116 Bool_t fSkipTriggerClassSelection; // flag that determines if the trigger classs selection is skipped
117 Bool_t fUsingCustomClasses; // flag that is set if costum trigger classes are defined
118 Bool_t fSkipV0; // ignore information from v0
8dec6e35 119 Bool_t fSkipZDCTime; // ignore ZDC timing cut (used in HI)
85c71ba7 120
121 Float_t fBIFactorA; // ratio of interacting over non interacting bunch intensities for beam 1
122 Float_t fBIFactorC; // ratio of interacting over non interacting bunch intensities for beam 2
141265a2 123 Float_t fBIFactorAC; // ratio of interacting over non interacting bunch intensities for beam 1&2:
124 // for some trigger classes we do not distinguish betweem 1 and 2
85c71ba7 125
85c71ba7 126
141265a2 127 UInt_t fComputeBG; // Switch on computation of background and filling of relevant stat table entries. If you enable this you can only process one run at a time (the relative bunch intensity used to compute this chages from run to run); This is a mask of the trigger types to be used in the selection, as defined in AliVEvent
128 Int_t fBGStatOffset; // Offset of the BG statistics computed at the end of the processing. It depends on how many trigger classes you have selected
73cc8654 129 Bool_t fUseBXNumbers; // Explicitely select "good" bunch crossing numbers (exclude pilot, afterpulses and fakes). If you anable this you can only process runs within the same filling scheme.
130 Bool_t fUseMuonTriggers; // if true, also use the muon triggers
131 TString fFillingScheme; // stores the filling scheme of the current run.
85c71ba7 132
133 TString fBin0CallBack; // callback used to determine if an event is in the bin0 (name of the task where the callback is implemented);
ff097e3f 134 Bin0Callback_t fBin0CallBackPointer; //! don't stream this. TO BE REMOVED SOON
91bea6e7 135
869f9767 136 Bool_t fIsPP; // True if processing pp run, false if heavy ion
137
8dec6e35 138 ClassDef(AliPhysicsSelection, 12)
61899827 139
85c71ba7 140 private:
141 AliPhysicsSelection(const AliPhysicsSelection&);
142 AliPhysicsSelection& operator=(const AliPhysicsSelection&);
61899827 143};
144
145#endif