Add online raw reader by Jochen as default version
[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
16//-------------------------------------------------------------------------
17
296dd262 18#include <AliAnalysisCuts.h>
61899827 19#include <TList.h>
91bea6e7 20#include "TObjString.h"
61899827 21
22class AliESDEvent;
17ba346c 23class TH2F;
61899827 24class TCollection;
25class AliTriggerAnalysis;
26
296dd262 27class AliPhysicsSelection : public AliAnalysisCuts
61899827 28{
29 public:
30 AliPhysicsSelection();
31 virtual ~AliPhysicsSelection();
32
296dd262 33 // AliAnalysisCuts interface
9eeae5d5 34 virtual Bool_t IsSelected(TObject* obj) { return IsCollisionCandidate((const AliESDEvent*) obj); }
35 virtual Bool_t IsSelected(TList*) { return kFALSE; }
296dd262 36
61899827 37 Bool_t IsCollisionCandidate(const AliESDEvent* aEsd);
38 Bool_t Initialize(UInt_t runNumber);
decf6fd4 39
a2ce3799 40 void SetAnalyzeMC(Bool_t flag = kTRUE) { fMC = flag; }
91bea6e7 41 void SetSkipTriggerClassSelection(Bool_t flag = kTRUE) { fSkipTriggerClassSelection = flag; }
91bea6e7 42
296dd262 43 void AddBackgroundIdentification(AliAnalysisCuts* background) { fBackgroundIdentification = background; }
44
61899827 45 virtual void Print(Option_t* option = "") const;
46 virtual Long64_t Merge(TCollection* list);
47 void SaveHistograms(const char* folder = 0) const;
48
91bea6e7 49 const TList* GetCollisionTriggerClasses() const { return &fCollTrigClasses; }
50 const TList* GetBGTriggerClasses() const { return &fBGTrigClasses; }
51 void AddCollisionTriggerClass(const char* className){ fCollTrigClasses.Add(new TObjString(className)); fUsingCustomClasses = kTRUE; }
52 void AddBGTriggerClass(const char* className) { fBGTrigClasses.Add(new TObjString(className)); fUsingCustomClasses = kTRUE; }
53
15f7c3c9 54 AliTriggerAnalysis* GetTriggerAnalysis() { return (fTriggerAnalysis.GetEntries() > 0) ? (AliTriggerAnalysis*) fTriggerAnalysis.At(0) : 0; }
61899827 55
17ba346c 56 const TH2F* GetStatisticsHistogram() const { return fHistStatistics; }
57 const TH2F* GetBunchCrossingHistogram() const { return fHistBunchCrossing; }
58
61899827 59 protected:
296dd262 60 Bool_t CheckTriggerClass(const AliESDEvent* aEsd, const char* trigger) const;
a2ce3799 61 Int_t GetTriggerScheme(UInt_t runNumber);
296dd262 62
63 Int_t fCurrentRun; // run number for which the object is initialized
a2ce3799 64 Bool_t fMC; // flag if MC is analyzed
296dd262 65 TList fCollTrigClasses; // trigger class identifying collision candidates
66 TList fBGTrigClasses; // trigger classes identifying background events
67
68 TList fTriggerAnalysis; // list of offline trigger objects (several are needed to keep the control histograms separate per trigger class)
61899827 69
296dd262 70 AliAnalysisCuts* fBackgroundIdentification; // class that performs additional background identification
61899827 71
17ba346c 72 TH2F* fHistStatistics; // how many events are cut away why
73 TH2F* fHistBunchCrossing; // histograms of accepted bunch crossing numbers
61899827 74
91bea6e7 75 Bool_t fSkipTriggerClassSelection; // flag that determines if the trigger classs selection is skipped
76 Bool_t fUsingCustomClasses; // flag that is set if costum trigger classes are defined
77
a2ce3799 78 ClassDef(AliPhysicsSelection, 2)
61899827 79
80 private:
81 AliPhysicsSelection(const AliPhysicsSelection&);
82 AliPhysicsSelection& operator=(const AliPhysicsSelection&);
83};
84
85#endif