1 #ifndef ALIITSVERTEXER3D_H
2 #define ALIITSVERTEXER3D_H
4 #include<AliITSVertexer.h>
6 ///////////////////////////////////////////////////////////////////
8 // Class for primary vertex finding (3D reconstruction) //
10 ///////////////////////////////////////////////////////////////////
14 #include <AliESDVertex.h>
17 class AliITSVertexer3D : public AliITSVertexer {
22 AliITSVertexer3D(TString filename);
23 virtual ~AliITSVertexer3D();
24 virtual AliESDVertex* FindVertexForCurrentEvent(Int_t evnumb);
25 virtual void FindVertices();
26 AliESDVertex GetVertex3D() const {return fVert3D;}
27 // virtual void MakeTracklet(Double_t *pA, Double_t *pB, Int_t &nolines); */
28 // virtual void MakeTracklet(Float_t *pA, Float_t *pB, Int_t &nolines); */
29 virtual void PrintStatus() const;
30 void SetCoarseDiffPhiCut(Float_t dphi = 0.5){fCoarseDiffPhiCut=dphi;}
31 void SetCoarseMaxRCut(Float_t rad = 2.5){fCoarseMaxRCut=rad;}
32 void SetMaxRCut(Float_t rad = 0.5){fMaxRCut=rad;}
33 void SetZCutDiamond(Float_t zcut = 14.0){fZCutDiamond=zcut;}
34 void SetMaxZCut(Float_t dz = 0.5){fMaxZCut=dz;}
35 void SetDCAcut(Float_t dca=0.1){fDCAcut=dca;}
36 void SetDiffPhiMax(Float_t pm = 0.01){fDiffPhiMax = pm;}
37 void SetMeanPSelTracks(Float_t pGeV=0.875){fMeanPSelTrk = pGeV;}
38 void SetMeanPtSelTracks(Float_t ptGeV=0.630){fMeanPtSelTrk = ptGeV;}
39 void SetMeanPPtSelTracks(Float_t fieldTesla);
42 AliITSVertexer3D(const AliITSVertexer3D& vtxr);
43 AliITSVertexer3D& operator=(const AliITSVertexer3D& /* vtxr */);
44 Int_t FindTracklets(Int_t evnumber, Int_t optCuts);
45 Int_t Prepare3DVertex(Int_t optCuts);
49 TClonesArray *fLines; //! array of tracklets
50 AliESDVertex fVert3D; // 3D Vertex
51 Float_t fCoarseDiffPhiCut; // loose cut on DeltaPhi for RecPoint matching
52 Float_t fCoarseMaxRCut; // cut on tracklet DCA to Z axis
53 Float_t fMaxRCut; // cut on tracklet DCA to beam axis
54 Float_t fZCutDiamond; // cut on +-Z of the diamond
55 Float_t fMaxZCut; // cut on Z distance from estimated vertex
56 Float_t fDCAcut; // cut on tracklet to tracklet and tracklet to vertex DCA
57 Float_t fDiffPhiMax; // Maximum delta phi allowed among corr. pixels
58 Float_t fMeanPSelTrk; // GeV, mean P for tracks with dphi<0.01 rad
59 Float_t fMeanPtSelTrk; // GeV, mean Pt for tracks with dphi<0.01 rad
61 ClassDef(AliITSVertexer3D,3);