3 #ifndef ALIPWG0HELPER_H
4 #define ALIPWG0HELPER_H
8 // static helper functions
17 class AliGenEventHeader;
20 class AliOfflineTrigger;
22 class AliPWG0Helper : public TObject
25 enum Trigger { kAcceptAll = 1, kMB1 = 2, kMB2, kMB3, kSPDGFO, kV0A, kV0C, kZDC, kZDCA, kZDCC, kFMDA, kFMDC, kFPANY, kStartOfFlags = 0x0100, kOfflineFlag = 0x8000 }; // MB1, MB2, MB3 definition from ALICE-INT-2005-025
26 enum AnalysisMode { kInvalid = -1, kSPD = 0x1, kTPC = 0x2, kTPCITS = 0x4, kFieldOn = 0x8 };
27 // in case we want to use bitmaps...
28 enum MCProcessType { kInvalidProcess = -1, kND = 0x1, kDD = 0x2, kSD = 0x4 };
30 static Bool_t IsEventTriggered(const AliESDEvent* aEsd, Trigger trigger);
31 static Bool_t IsEventTriggered(ULong64_t triggerMask, Trigger trigger);
32 static const AliESDVertex* GetVertex(AliESDEvent* aEsd, AnalysisMode analysisMethod, Bool_t debug = kFALSE, Bool_t bRedoTPC = kFALSE);
33 static Bool_t TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug = kFALSE);
35 static Bool_t IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug = kFALSE);
37 static AliPWG0Helper::MCProcessType GetEventProcessType(AliHeader* aHeader, Bool_t adebug = kFALSE);
38 static AliPWG0Helper::MCProcessType GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
39 static AliPWG0Helper::MCProcessType GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
40 static Int_t GetLastProcessType() { return fgLastProcessType; }
42 static TParticle* FindPrimaryMother(AliStack* stack, Int_t label);
43 static Int_t FindPrimaryMotherLabel(AliStack* stack, Int_t label);
45 static void CreateProjections(TH3* hist, Bool_t save = kFALSE);
46 static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE, Bool_t save = kFALSE);
47 static const char* GetAxisTitle(TH3* hist, const char axis);
49 static void NormalizeToBinWidth(TH1* hist);
50 static void NormalizeToBinWidth(TH2* hist);
52 static const char* GetTriggerName(Trigger trigger);
53 static void PrintConf(AnalysisMode analysisMode, Trigger trigger);
55 static AliOfflineTrigger* GetOfflineTrigger();
58 static Int_t fgLastProcessType; // stores the raw value of the last process type extracnted
59 static AliOfflineTrigger* fgOfflineTrigger; // class that implemenents the offline trigger logic
61 ClassDef(AliPWG0Helper, 0)
64 AliPWG0Helper(const AliPWG0Helper&);
65 AliPWG0Helper& operator=(const AliPWG0Helper&);