changed binning: accepts events in z +- 30cm and eta +- 3
[u/mrichter/AliRoot.git] / PWG0 / dNdEta / dNdEtaAnalysis.h
CommitLineData
dc740de4 1/* $Id$ */
2
539b6cb4 3#ifndef DNDETANALYSIS_H
4#define DNDETANALYSIS_H
5
75ec0f41 6// ------------------------------------------------------
7//
8// Class for dn/deta analysis
9//
10// ------------------------------------------------------
11//
12// TODO:
13// - more documentation
14// - add debug statements
15// - add more histograms
16// - add functionality to set the bin sizes
17// - figure out correct way to treat the errors
18// - add functionality to make dn/deta for different mult classes?
19
7029240a 20#include <TNamed.h>
74fd10b3 21#include "AlidNdEtaCorrection.h"
770a1f1d 22#include "AliPWG0Helper.h"
745d6088 23#include <TString.h>
75ec0f41 24
74fd10b3 25class TH1F;
7029240a 26class TCollection;
74fd10b3 27
74fd10b3 28class AliCorrection;
75ec0f41 29
7029240a 30class dNdEtaAnalysis : public TNamed
ceb5d1b5 31{
75ec0f41 32public:
74fd10b3 33 enum { kVertexBinning = 1+2 }; // the first is for the whole vertex range, the others divide the vertex range
7029240a 34
1afae8ff 35 dNdEtaAnalysis();
ab587cf2 36 dNdEtaAnalysis(Char_t* name, Char_t* title, AliPWG0Helper::AnalysisMode analysisMode = AliPWG0Helper::kSPD);
16e24ca3 37 virtual ~dNdEtaAnalysis();
38
39 dNdEtaAnalysis(const dNdEtaAnalysis &c);
40 dNdEtaAnalysis &operator=(const dNdEtaAnalysis &c);
41 virtual void Copy(TObject &c) const;
75ec0f41 42
74fd10b3 43 void FillTrack(Float_t vtx, Float_t eta, Float_t pt);
44 void FillEvent(Float_t vtx, Float_t n);
7307d52c 45 void FillTriggeredEvent(Float_t n);
ceb5d1b5 46
0fc41645 47 void Finish(AlidNdEtaCorrection* correction, Float_t ptCut, AlidNdEtaCorrection::CorrectionType correctionType, const char* tag = "");
ceb5d1b5 48
74fd10b3 49 void DrawHistograms(Bool_t simple = kFALSE);
50 void LoadHistograms(const Char_t* dir = 0);
75ec0f41 51 void SaveHistograms();
ceb5d1b5 52
7029240a 53 virtual Long64_t Merge(TCollection* list);
54
74fd10b3 55 AliCorrection* GetData() { return fData; }
ceb5d1b5 56
74fd10b3 57 TH1F* GetPtHistogram() { return fPtDist; }
45e97e28 58
74fd10b3 59 TH1F* GetdNdEtaHistogram(Int_t i = 0) { return fdNdEta[i]; }
60 TH1F* GetdNdEtaPtCutOffCorrectedHistogram(Int_t i = 0) { return fdNdEtaPtCutOffCorrected[i]; }
61
62protected:
567160d6 63 Float_t GetVtxMin(Float_t eta);
64
74fd10b3 65 AliCorrection* fData; // we store the data in an AliCorrection
7307d52c 66 TH1F* fMult; // (raw) multiplicity distribution of triggered events
1afae8ff 67
74fd10b3 68 TH1F* fPtDist; // pt distribution
1afae8ff 69
7307d52c 70 TH1F* fdNdEta[kVertexBinning]; // dndeta results for different vertex bins (0 = full range)
71 TH1F* fdNdEtaPtCutOffCorrected[kVertexBinning]; // dndeta results for different vertex bins (0 = full range), pt cut off corrected
ceb5d1b5 72
745d6088 73 AliPWG0Helper::AnalysisMode fAnalysisMode; // detector (combination) used for the analysis
74 TString fTag; // tag saved that describes the applied correction
75
76 ClassDef(dNdEtaAnalysis, 2)
75ec0f41 77};
78
539b6cb4 79#endif