- fixing mistake
[u/mrichter/AliRoot.git] / PWG0 / AliPWG0Helper.h
CommitLineData
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 11class AliESDEvent;
116083b1 12class AliESDVertex;
04a7657f 13class TParticle;
dd367a14 14class TH1;
15class TH2;
25db2d85 16class TH3;
116083b1 17class AliHeader;
6b62a9c7 18class AliGenEventHeader;
116083b1 19class AliStack;
9cd015f7 20class TTree;
ff8c4f30 21class AliOfflineTrigger;
04a7657f 22
23class AliPWG0Helper : public TObject
24{
25 public:
a7f69e56 26 enum AnalysisMode { kInvalid = -1, kSPD = 0x1, kTPC = 0x2, kTPCITS = 0x4, kFieldOn = 0x8 };
6b62a9c7 27 // in case we want to use bitmaps...
1c15d51a 28 enum MCProcessType { kInvalidProcess = -1, kND = 0x1, kDD = 0x2, kSD = 0x4 };
e9c3977b 29
69b09e3b 30 static const AliESDVertex* GetVertex(AliESDEvent* aEsd, AnalysisMode analysisMethod, Bool_t debug = kFALSE, Bool_t bRedoTPC = kFALSE);
a6e0ebfe 31 static Bool_t TestVertex(const AliESDVertex* vertex, AnalysisMode analysisMode, Bool_t debug = kFALSE);
ff8c4f30 32
7584d357 33 static Bool_t IsPrimaryCharged(TParticle* aParticle, Int_t aTotalPrimaries, Bool_t adebug = kFALSE);
34
1c15d51a 35 static AliPWG0Helper::MCProcessType GetEventProcessType(AliHeader* aHeader, Bool_t adebug = kFALSE);
36 static AliPWG0Helper::MCProcessType GetPythiaEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
37 static AliPWG0Helper::MCProcessType GetDPMjetEventProcessType(AliGenEventHeader* aHeader, Bool_t adebug = kFALSE);
a67484a6 38 static Int_t GetLastProcessType() { return fgLastProcessType; }
6b62a9c7 39
116083b1 40 static TParticle* FindPrimaryMother(AliStack* stack, Int_t label);
41 static Int_t FindPrimaryMotherLabel(AliStack* stack, Int_t label);
42
29771dc8 43 static void CreateProjections(TH3* hist, Bool_t save = kFALSE);
44 static void CreateDividedProjections(TH3* hist, TH3* hist2, const char* axis = 0, Bool_t putErrors = kFALSE, Bool_t save = kFALSE);
4c351225 45 static const char* GetAxisTitle(TH3* hist, const char axis);
116083b1 46
dd367a14 47 static void NormalizeToBinWidth(TH1* hist);
48 static void NormalizeToBinWidth(TH2* hist);
49
70fdd197 50 static void PrintConf(AnalysisMode analysisMode, AliTriggerAnalysis::Trigger trigger);
ff8c4f30 51
04a7657f 52 protected:
a67484a6 53 static Int_t fgLastProcessType; // stores the raw value of the last process type extracnted
54
04a7657f 55 ClassDef(AliPWG0Helper, 0)
61385583 56
57 private:
58 AliPWG0Helper(const AliPWG0Helper&);
59 AliPWG0Helper& operator=(const AliPWG0Helper&);
04a7657f 60};
61
62#endif
63