// and background rejection based on the content of the ESD
//
// Origin: Jan Fiete Grosse-Oetringhaus, CERN
+// Michele Floris, CERN
//-------------------------------------------------------------------------
#include <AliAnalysisCuts.h>
#include <TList.h>
+#include "TObjString.h"
+#include "AliVEvent.h"
+
+#define VERBOSE_STAT
class AliESDEvent;
class TH2F;
+class TH1F;
class TCollection;
class AliTriggerAnalysis;
+class AliAnalysisTaskSE;
+
class AliPhysicsSelection : public AliAnalysisCuts
{
- public:
- AliPhysicsSelection();
- virtual ~AliPhysicsSelection();
-
- // AliAnalysisCuts interface
- virtual Bool_t IsSelected(TObject* obj) { return IsCollisionCandidate((const AliESDEvent*) obj); }
- virtual Bool_t IsSelected(TList*) { return kFALSE; }
+public:
+
+public:
+ enum {kStatTriggerClass=1,kStatHWTrig,kStatV0ABG,kStatV0CBG,kStatMB1,kStatMB1Prime,kStatFMD,kStatFO1,kStatFO2,kStatV0A,kStatV0C,kStatSSD1,kStatFO1AndV0,kStatV0,kStatAny2Hits,kStatOffline,kStatBG,kStatAccepted};
+
+#ifdef VERBOSE_STAT
+ enum {kStatRowBG=0,kStatRowAcc,kStatRowBGFrac,kStatRowAccFrac,kStatRowErrGoodFrac,kStatRowGoodFrac,kStatRowErrGood,kStatRowGood}; // offset wrt fBGStatOffset
+#else
+ enum {kStatRowBG=0,kStatRowAcc,kStatRowGood}; // offset wrt fBGStatOffset
+#endif
+
+ enum {kStatIdxAll=0,kStatIdxBin0=1};
+
+
+ typedef Bool_t (*Bin0Callback_t)(const AliESDEvent *);
+
+ AliPhysicsSelection();
+ virtual ~AliPhysicsSelection();
- Bool_t IsCollisionCandidate(const AliESDEvent* aEsd);
- Bool_t Initialize(UInt_t runNumber);
- void SetAnalyzeMC(Bool_t flag = kTRUE) { fMC = flag; }
+ // AliAnalysisCuts interface
+ virtual UInt_t GetSelectionMask(const TObject* obj) { return IsCollisionCandidate((const AliESDEvent*) obj); }
+ virtual Bool_t IsSelected(TList*) { return kFALSE; }
+ virtual Bool_t IsSelected(TObject*) {return kFALSE;}
- void AddBackgroundIdentification(AliAnalysisCuts* background) { fBackgroundIdentification = background; }
+ Int_t GetCurrentRun() const {return fCurrentRun;}
+ UInt_t IsCollisionCandidate(const AliESDEvent* aEsd);
+ Bool_t Initialize(Int_t runNumber);
- virtual void Print(Option_t* option = "") const;
- virtual Long64_t Merge(TCollection* list);
- void SaveHistograms(const char* folder = 0) const;
+ void SetAnalyzeMC(Bool_t flag = kTRUE) { fMC = flag; }
+ void SetSkipTriggerClassSelection(Bool_t flag = kTRUE) { fSkipTriggerClassSelection = flag; }
+ void SetSkipV0(Bool_t flag=kTRUE) { fSkipV0 = flag;}
+
+ void AddBackgroundIdentification(AliAnalysisCuts* background) { fBackgroundIdentification = background; }
- TList* GetCollisionTriggerClasses() { return &fCollTrigClasses; }
- TList* GetBGTriggerClasses() { return &fBGTrigClasses; }
- AliTriggerAnalysis* GetTriggerAnalysis() { return (fTriggerAnalysis.GetEntries() > 0) ? (AliTriggerAnalysis*) fTriggerAnalysis.At(0) : 0; }
+ virtual void Print(Option_t* option = "") const;
+ virtual Long64_t Merge(TCollection* list);
+ void SaveHistograms(const char* folder = 0) const;
- const TH2F* GetStatisticsHistogram() const { return fHistStatistics; }
- const TH2F* GetBunchCrossingHistogram() const { return fHistBunchCrossing; }
+ const TList* GetCollisionTriggerClasses() const { return &fCollTrigClasses; }
+ const TList* GetBGTriggerClasses() const { return &fBGTrigClasses; }
+ void AddCollisionTriggerClass(const char* className){ fCollTrigClasses.Add(new TObjString(className)); fUsingCustomClasses = kTRUE; }
+ void AddBGTriggerClass(const char* className) { fBGTrigClasses.Add(new TObjString(className)); fUsingCustomClasses = kTRUE; }
+
+ AliTriggerAnalysis* GetTriggerAnalysis(Int_t i = 0) { return (fTriggerAnalysis.GetEntries() > 0) ? (AliTriggerAnalysis*) fTriggerAnalysis.At(i) : 0; }
- protected:
- Bool_t CheckTriggerClass(const AliESDEvent* aEsd, const char* trigger) const;
- Int_t GetTriggerScheme(UInt_t runNumber);
+ const TH2F* GetStatisticsHistogram(Int_t idx=kStatIdxAll) const { return fHistStatistics[idx]; }
+ const TH2F* GetBunchCrossingHistogram() const { return fHistBunchCrossing; }
- Int_t fCurrentRun; // run number for which the object is initialized
- Bool_t fMC; // flag if MC is analyzed
- TList fCollTrigClasses; // trigger class identifying collision candidates
- TList fBGTrigClasses; // trigger classes identifying background events
+ void SetBIFactors(const AliESDEvent * aESD);
+
+ void SetUseBXNumbers(Bool_t flag = kTRUE) {fUseBXNumbers = flag;}
+ void SetComputeBG (UInt_t flag = AliVEvent::kMB) {fComputeBG = flag; if(flag) fUseBXNumbers = flag;}
+ void SetUseMuonTriggers(Bool_t) { Printf("ERROR: Use of AliPhysicsSelection::SetUseMuonTriggers is deprecated. Use AliVEvent::kMUON selection instead."); }
+ void SetBin0Callback( const char * cb) {fBin0CallBack = cb;}
+ void SetBin0CallbackViaPointer( Bin0Callback_t cb) {fBin0CallBackPointer = cb;}// WARNING: THIS SHOULD NOT BE USED, WILL BE REMOVED SOON
+
+protected:
+ UInt_t CheckTriggerClass(const AliESDEvent* aEsd, const char* trigger) const;
+ Int_t GetTriggerScheme(UInt_t runNumber) const;
+ const char * GetBXIDs(UInt_t runNumber, const char * trigger ) ;
+ const char * GetFillingScheme(UInt_t runNumber) ;
+ TH2F * BookHistStatistics(const char * tag) ;
+ Int_t GetStatRow(const char * triggerBXClass, UInt_t offlineTriggerType, UInt_t ** rowIDs) const;
+
+ Int_t fCurrentRun; // run number for which the object is initialized
+ Bool_t fMC; // flag if MC is analyzed
+ TList fCollTrigClasses; // trigger class identifying collision candidates
+ TList fBGTrigClasses; // trigger classes identifying background events
- TList fTriggerAnalysis; // list of offline trigger objects (several are needed to keep the control histograms separate per trigger class)
+ TList fTriggerAnalysis; // list of offline trigger objects (several are needed to keep the control histograms separate per trigger class)
- AliAnalysisCuts* fBackgroundIdentification; // class that performs additional background identification
+ AliAnalysisCuts* fBackgroundIdentification; // class that performs additional background identification
- TH2F* fHistStatistics; // how many events are cut away why
- TH2F* fHistBunchCrossing; // histograms of accepted bunch crossing numbers
+ TH2F* fHistStatistics[2]; // how many events are cut away why {all,bin 0}
+ TH2F* fHistBunchCrossing; // histograms of accepted bunch crossing numbers
+ TH1F* fHistTriggerPattern; // Pattern of the individual detectors in the MB1 trigger. Can reveal inconsistencies/inefficiencies in the trigger
- ClassDef(AliPhysicsSelection, 2)
+ Bool_t fSkipTriggerClassSelection; // flag that determines if the trigger classs selection is skipped
+ Bool_t fUsingCustomClasses; // flag that is set if costum trigger classes are defined
+ Bool_t fSkipV0; // ignore information from v0
+
+ Float_t fBIFactorA; // ratio of interacting over non interacting bunch intensities for beam 1
+ Float_t fBIFactorC; // ratio of interacting over non interacting bunch intensities for beam 2
+ Float_t fBIFactorAC; // ratio of interacting over non interacting bunch intensities for beam 1&2:
+ // for some trigger classes we do not distinguish betweem 1 and 2
+
+
+ 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
+ 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
+ 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.
+ Bool_t fUseMuonTriggers; // if true, also use the muon triggers
+ TString fFillingScheme; // stores the filling scheme of the current run.
+
+ TString fBin0CallBack; // callback used to determine if an event is in the bin0 (name of the task where the callback is implemented);
+ Bin0Callback_t fBin0CallBackPointer; //! don't stream this. TO BE REMOVED SOON
+
+ ClassDef(AliPhysicsSelection, 10)
- private:
- AliPhysicsSelection(const AliPhysicsSelection&);
- AliPhysicsSelection& operator=(const AliPhysicsSelection&);
+ private:
+ AliPhysicsSelection(const AliPhysicsSelection&);
+ AliPhysicsSelection& operator=(const AliPhysicsSelection&);
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff