1 /* $Id: AlidNdPtHelper.h 28655 2008-09-10 12:57:42Z jgrosseo $ */
3 #ifndef ALIDNDPTHELPER_H
4 #define ALIDNDPTHELPER_H
7 // static helper functions
8 // origin PWG0 (Jan Fiete, CKB) and extended by Jacek Otwinowski (JO)
24 class AliGenEventHeader;
31 class AliESDtrackCuts;
32 class AlidNdPtAcceptanceCuts;
33 class AlidNdPtEventCuts;
35 #include "THnSparse.h"
36 class AlidNdPtHelper : public TObject
39 enum Trigger { kMB1 = 0, kMB2, kSPDFASTOR }; // definition from ALICE-INT-2005-025
40 enum AnalysisMode { kInvalid = -1, kSPD = 0, kTPC, kTPCITS, kTPCSPDvtx, kMCRec, kMCPion, kMCKaon, kMCProton, kPlus, kMinus };
41 // in case we want to use bitmaps...
42 // kDiffractiveProcess is artifficial
43 enum MCProcessType { kInvalidProcess = -1, kND = 0x1, kDD = 0x2, kSD = 0x4, kDiffractiveProcess = 0x9 };
45 static Bool_t IsEventTriggered(const AliESD* aEsd, Trigger trigger = kMB2);
46 static Bool_t IsEventTriggered(ULong64_t triggerMask, Trigger trigger = kMB2);
47 static const AliESDVertex* GetVertex(AliESDEvent* aEsd, AlidNdPtEventCuts *evtCuts, AlidNdPtAcceptanceCuts *accCuts, AliESDtrackCuts *trackCuts, AnalysisMode analysisMethod, Bool_t debug = kFALSE,Bool_t bRedoTPC = kFALSE, Bool_t bUseMeanVertex = kFALSE);
48 //static const AliESDVertex* GetVertex(AliESDEvent* aEsd, AnalysisMode analysisMethod, Bool_t debug = kFALSE,Bool_t bRedoTPC = kFALSE, Bool_t bUseMeanVertex = kFALSE);
50 static const AliESDVertex* GetTPCVertexZ(AliESDEvent* aEsd, Float_t sigmaXYcut=3., Float_t distXYcut=3., Float_t distZcut=30., Int_t nclCut=50, Float_t fraction=0.8, Int_t ntracksMin=2);
52 static Bool_t TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug = kFALSE);
54 static Bool_t IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug = kFALSE);
55 static Bool_t IsPrimaryParticle(AliStack *stack, Int_t idx, AnalysisMode analysisMode);
57 static AlidNdPtHelper::MCProcessType GetEventProcessType(AliHeader* aHeader, Bool_t adebug = kFALSE);
58 static AlidNdPtHelper::MCProcessType GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
59 static AlidNdPtHelper::MCProcessType GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
60 static Int_t GetLastProcessType() { return fgLastProcessType; }
62 static TParticle* FindPrimaryMother(AliStack* stack, Int_t label);
63 static Int_t FindPrimaryMotherLabel(AliStack* stack, Int_t label);
65 static void CreateProjections(TH3* hist, Bool_t save = kFALSE);
66 static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE, Bool_t save = kFALSE);
67 static const char* GetAxisTitle(TH3* hist, const char axis);
69 static void NormalizeToBinWidth(TH1* hist);
70 static void NormalizeToBinWidth(TH2* hist);
72 static void PrintConf(AnalysisMode analysisMode, Trigger trigger);
75 static Int_t ConvertPdgToPid(TParticle *particle);
77 enum OutputObject { kInvalidObject = -1, kCutAnalysis = 0, kAnalysis, kCorrection, kSystematics };
78 enum TrackObject { kInvalidTrackObject = -1, kAllTracks = 0, kAccTracks, kRecTracks, kMCTracks };
79 enum EventObject { kInvalidEventObject = -1, kAllEvents = 0, kTriggeredEvents, kAccEvents, kRecEvents, kMCEvents };
80 enum CutSteps { kCutSteps = 3 };
82 //static TObjArray *GetAllChargedTracks(AliESDEvent *esdEvent, AnalysisMode analysisMode);
83 static TObjArray *GetAllChargedTracks(AliESDEvent *esdEvent, const AliESDVertex *vtx, AnalysisMode analysisMode);
84 static AliESDtrack* GetTPCOnlyTrack(AliESDEvent* esd, const AliESDVertex *vtx, Int_t iTrack);
86 static TH1F* MakeResol(TH2F * his, Int_t integ, Bool_t type, Bool_t drawBins, Int_t minHistEntries);
87 static TH1F* CreateResHisto(TH2F* hRes2, TH1F **phMean, Int_t integ, Bool_t drawBinFits, Int_t minHistEntries);
89 static Int_t GetTPCMBTrackMult(AliESDEvent* esdEvent, AlidNdPtEventCuts *evtCuts, AlidNdPtAcceptanceCuts *accCuts, AliESDtrackCuts *trackCuts);
90 static Int_t GetTPCMBPrimTrackMult(AliESDEvent* esdEvent, AliStack * stack,AlidNdPtEventCuts *evtCuts, AlidNdPtAcceptanceCuts *accCuts, AliESDtrackCuts *trackCuts);
92 static Int_t GetSPDMBTrackMult(AliESDEvent* esdEvent, Float_t deltaThetaCut =0.025, Float_t deltaPhiCut = 0.08);
93 static Int_t GetSPDMBPrimTrackMult(AliESDEvent* esdEvent, AliStack * stack, Float_t deltaThetaCut =0.025, Float_t deltaPhiCut = 0.08);
94 static Int_t GetMCTrueTrackMult(AliMCEvent *mcEvent, AlidNdPtEventCuts *evtCuts, AlidNdPtAcceptanceCuts *accCuts);
96 static void PrintMCInfo(AliStack *pStack, Int_t label);
98 static TH1* ScaleByBinWidth(TH1 *hist=0);
99 static TH1* GetContCorrHisto(TH1 *hist=0);
100 static TH1* CalcRelativeDifference(TH1 *hist1=0, TH1 *hist2=0);
101 static TH1* CalcRelativeDifferenceFun(TH1 *hist=0, TF1 *fun=0);
102 static TH1* NormalizeToEvent(TH2 *hist1=0, TH1 *hist2=0);
104 static THnSparse* GenerateCorrMatrix(THnSparse *hist1, THnSparse *hist2, char *name);
105 static TH2* GenerateCorrMatrix(TH2 *hist1, TH2 *hist2, char *name);
106 static TH1* GenerateCorrMatrix(TH1 *hist1, TH1 *hist2, char *name);
108 static THnSparse* GenerateContCorrMatrix(THnSparse *hist1, THnSparse *hist2, char *name);
109 static TH2* GenerateContCorrMatrix(TH2 *hist1, TH2 *hist2, char *name);
110 static TH1* GenerateContCorrMatrix(TH1 *hist1, TH1 *hist2, char *name);
113 static Int_t fgLastProcessType; // stores the raw value of the last process type extracnted
115 ClassDef(AlidNdPtHelper, 0);
118 AlidNdPtHelper(const AlidNdPtHelper&);
119 AlidNdPtHelper& operator=(const AlidNdPtHelper&);