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04a7657f | 1 | /* $Id$ */ |
2 | ||
3 | #ifndef ALIPWG0HELPER_H | |
4 | #define ALIPWG0HELPER_H | |
5 | ||
6 | #include <TObject.h> | |
70fdd197 | 7 | #include <AliTriggerAnalysis.h> |
04a7657f | 8 | |
9 | // static helper functions | |
10 | ||
770a1f1d | 11 | class AliESDEvent; |
116083b1 | 12 | class AliESDVertex; |
04a7657f | 13 | class TParticle; |
dd367a14 | 14 | class TH1; |
15 | class TH2; | |
25db2d85 | 16 | class TH3; |
116083b1 | 17 | class AliHeader; |
6b62a9c7 | 18 | class AliGenEventHeader; |
116083b1 | 19 | class AliStack; |
9cd015f7 | 20 | class TTree; |
ff8c4f30 | 21 | class AliOfflineTrigger; |
81be4ee8 | 22 | class AliMultiplicity; |
04a7657f | 23 | |
24 | class AliPWG0Helper : public TObject | |
25 | { | |
26 | public: | |
d879a92d | 27 | enum AnalysisMode { kInvalid = -1, kSPD = 0x1, kTPC = 0x2, kTPCITS = 0x4, kFieldOn = 0x8, kSPDOnlyL0 = 0x10 }; |
6b62a9c7 | 28 | // in case we want to use bitmaps... |
81be4ee8 | 29 | enum MCProcessType { kInvalidProcess = -1, kND = 0x1, kDD = 0x2, kSD = 0x4, kOnePart = 0x8 }; |
30 | enum DiffTreatment { kMCFlags = 0, kUA5Cuts = 1, kE710Cuts, kALICEHadronLevel }; | |
e9c3977b | 31 | |
81be4ee8 | 32 | static const AliESDVertex* GetVertex(const AliESDEvent* aEsd, AnalysisMode analysisMethod, Bool_t debug = kFALSE); |
a6e0ebfe | 33 | static Bool_t TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug = kFALSE); |
ff8c4f30 | 34 | |
7584d357 | 35 | static Bool_t IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug = kFALSE); |
36 | ||
81be4ee8 | 37 | static MCProcessType GetEventProcessType(AliESDEvent* esd, AliHeader* header, AliStack* stack, DiffTreatment diffTreatment); |
38 | static MCProcessType GetEventProcessType(AliHeader* aHeader, Bool_t adebug = kFALSE); | |
39 | static MCProcessType GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE); | |
40 | static MCProcessType GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE); | |
a67484a6 | 41 | static Int_t GetLastProcessType() { return fgLastProcessType; } |
6b62a9c7 | 42 | |
116083b1 | 43 | static TParticle* FindPrimaryMother(AliStack* stack, Int_t label); |
44 | static Int_t FindPrimaryMotherLabel(AliStack* stack, Int_t label); | |
45 | ||
29771dc8 | 46 | static void CreateProjections(TH3* hist, Bool_t save = kFALSE); |
47 | static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE, Bool_t save = kFALSE); | |
4c351225 | 48 | static const char* GetAxisTitle(TH3* hist, const char axis); |
116083b1 | 49 | |
dd367a14 | 50 | static void NormalizeToBinWidth(TH1* hist); |
51 | static void NormalizeToBinWidth(TH2* hist); | |
52 | ||
81be4ee8 | 53 | static void PrintConf(AnalysisMode analysisMode, AliTriggerAnalysis::Trigger trigger, DiffTreatment diffTreatment); |
54 | ||
55 | static Double_t Rapidity(Double_t pt, Double_t pz, Double_t m); | |
56 | static Bool_t IsHadronLevelSingleDiffractive(AliStack* stack, Float_t cms, Float_t xiMin, Float_t xiMax); | |
ff8c4f30 | 57 | |
04a7657f | 58 | protected: |
d879a92d | 59 | static Int_t fgLastProcessType; // stores the raw value of the last process type extracted |
a67484a6 | 60 | |
04a7657f | 61 | ClassDef(AliPWG0Helper, 0) |
61385583 | 62 | |
63 | private: | |
64 | AliPWG0Helper(const AliPWG0Helper&); | |
65 | AliPWG0Helper& operator=(const AliPWG0Helper&); | |
04a7657f | 66 | }; |
67 | ||
68 | #endif | |
69 |