3 #ifndef ALIDNDETACORRECTION_H
4 #define ALIDNDETACORRECTION_H
7 // ------------------------------------------------------
9 // Class to handle corrections for dN/dEta measurements
11 // ------------------------------------------------------
14 // - make the ntrack to npart correction 3D
15 // - add documentation
16 // - add status: generate or use maps
17 // - add functionality to set the bin sizes
22 #include <AliCorrectionMatrix2D.h>
23 #include <AliCorrectionMatrix3D.h>
25 class AlidNdEtaCorrection : public TNamed
28 AlidNdEtaCorrection(Char_t* name="dndeta_correction");
30 // fVertexRecoCorrection
31 void FillEvent(Float_t vtx, Float_t n) {fVertexRecoCorrection->FillGene(vtx, n);}
32 void FillEventWithReconstructedVertex(Float_t vtx, Float_t n) {fVertexRecoCorrection->FillMeas(vtx, n);}
34 // fTrack2ParticleCorrection
35 void FillParticle(Float_t vtx, Float_t eta, Float_t pt) {fTrack2ParticleCorrection->FillGene(vtx, eta, pt);}
36 void FillParticleWhenMeasuredTrack(Float_t vtx, Float_t eta, Float_t pt) {fTrack2ParticleCorrection->FillMeas(vtx, eta, pt);}
38 // fTriggerBiasCorrection
39 void FillParticleAllEvents(Float_t eta, Float_t pt) {fTriggerBiasCorrection->FillGene(eta, pt);}
40 void FillParticleWhenEventTriggered(Float_t eta, Float_t pt) {fTriggerBiasCorrection->FillMeas(eta, pt);}
42 void IncreaseEventCount() { fNEvents++; }
43 void IncreaseTriggeredEventCount() { fNTriggeredEvents++; }
47 AliCorrectionMatrix3D* GetTrack2ParticleCorrection() {return fTrack2ParticleCorrection;}
48 AliCorrectionMatrix2D* GetVertexRecoCorrection() {return fVertexRecoCorrection;}
49 AliCorrectionMatrix2D* GetTriggerBiasCorrection() {return fTriggerBiasCorrection;}
51 virtual Long64_t Merge(TCollection* list);
53 void SaveHistograms();
54 Bool_t LoadHistograms(Char_t* fileName, Char_t* dir = "dndeta_correction");
55 Bool_t LoadCorrection(Char_t* fileName, Char_t* dir = "dndeta_correction")
56 {return LoadHistograms(fileName, dir);}
58 void DrawHistograms();
60 // void RemoveEdges(Float_t cut=2, Int_t nBinsVtx=0, Int_t nBinsEta=0);
62 Float_t GetTrack2ParticleCorrection(Float_t vtx, Float_t eta, Float_t pt)
63 {return fTrack2ParticleCorrection->GetCorrection(vtx, eta, pt);}
65 Float_t GetVertexRecoCorrection(Float_t vtx, Float_t n) {return fVertexRecoCorrection->GetCorrection(vtx, n);}
67 Float_t GetTriggerBiasCorrection(Float_t eta, Float_t pt=0) {return fTriggerBiasCorrection->GetCorrection(eta, pt);}
69 Float_t GetMeasuredFraction(Float_t ptCutOff, Float_t eta = -1, Bool_t debug = kFALSE);
72 AliCorrectionMatrix3D* fTrack2ParticleCorrection; // handles the track-to-particle correction, function of vtx_z, eta, pt
73 AliCorrectionMatrix2D* fVertexRecoCorrection; // handles the vertex reconstruction efficiency, function of n_clustersITS and vtx_z
75 AliCorrectionMatrix2D* fTriggerBiasCorrection; // MB to desired sample
78 Long64_t fNTriggeredEvents;
80 ClassDef(AlidNdEtaCorrection,0)