[u/mrichter/AliRoot.git] / ITS / AliITSVertexer3D.h

#ifndef ALIITSVERTEXER3D_H
#define ALIITSVERTEXER3D_H

#include<AliITSVertexer.h>

///////////////////////////////////////////////////////////////////
//                                                               //
// Class for primary vertex finding  (3D reconstruction)         //
//                                                               //
///////////////////////////////////////////////////////////////////

/* $Id$ */

#include <TClonesArray.h>
#include <AliESDVertex.h>

class AliITSVertexer3D : public AliITSVertexer {

 public:

  AliITSVertexer3D();
  virtual ~AliITSVertexer3D();
  virtual AliESDVertex* FindVertexForCurrentEvent(TTree *itsClusterTree);
  AliESDVertex GetVertex3D() const {return fVert3D;}
  virtual void PrintStatus() const;
  void SetWideFiducialRegion(Float_t dz = 14.0, Float_t dr=2.5){
    SetCoarseMaxRCut(dr);
    SetZCutDiamond(dz);
  }
  void SetNarrowFiducialRegion(Float_t dz = 0.5, Float_t dr=0.5){
    SetMaxRCut(dr);
    SetMaxZCut(dz);
  }
  void SetDeltaPhiCuts(Float_t dphiloose=0.5, Float_t dphitight=0.01){
    SetCoarseDiffPhiCut(dphiloose);
    SetDiffPhiMax(dphitight);
  }
  void SetCoarseDiffPhiCut(Float_t dphi = 0.5){fCoarseDiffPhiCut=dphi;}
  void SetCoarseMaxRCut(Float_t rad = 2.5){fCoarseMaxRCut=rad;}
  void SetMaxRCut(Float_t rad = 0.5){fMaxRCut=rad;}
  void SetZCutDiamond(Float_t zcut = 14.0){fZCutDiamond=zcut;}
  void SetMaxZCut(Float_t dz = 0.5){fMaxZCut=dz;}
  void SetDCACut(Float_t dca=0.1){fDCAcut=dca;} 
  void SetDiffPhiMax(Float_t pm = 0.01){fDiffPhiMax = pm;}
  void SetMeanPSelTracks(Float_t pGeV=0.875){fMeanPSelTrk = pGeV;}
  void SetMeanPtSelTracks(Float_t ptGeV=0.630){fMeanPtSelTrk = ptGeV;}
  void SetMeanPPtSelTracks(Float_t fieldTesla);

protected:
  AliITSVertexer3D(const AliITSVertexer3D& vtxr);
  AliITSVertexer3D& operator=(const AliITSVertexer3D& /* vtxr */);
  Int_t FindTracklets(TTree *itsClusterTree, Int_t optCuts);
  Int_t Prepare3DVertex(Int_t optCuts);
  void ResetVert3D();


  TClonesArray fLines;      //! array of tracklets
  AliESDVertex fVert3D;        // 3D Vertex
  Float_t fCoarseDiffPhiCut; // loose cut on DeltaPhi for RecPoint matching 
  Float_t fCoarseMaxRCut; // cut on tracklet DCA to Z axis
  Float_t fMaxRCut; // cut on tracklet DCA to beam axis
  Float_t fZCutDiamond;   // cut on +-Z of the diamond
  Float_t fMaxZCut;   // cut on Z distance from estimated vertex
  Float_t fDCAcut; // cut on tracklet to tracklet and tracklet to vertex DCA
  Float_t fDiffPhiMax;     // Maximum delta phi allowed among corr. pixels
  Float_t fMeanPSelTrk; // GeV, mean P for tracks with dphi<0.01 rad
  Float_t fMeanPtSelTrk; // GeV, mean Pt for tracks with dphi<0.01 rad

  ClassDef(AliITSVertexer3D,6);

};

#endif
Commit	Line	Data
70c95f95	1	#ifndef ALIITSVERTEXER3D_H
	2	#define ALIITSVERTEXER3D_H
	3
27167524	4	#include<AliITSVertexer.h>
70c95f95	5
	6	///////////////////////////////////////////////////////////////////
	7	// //
	8	// Class for primary vertex finding (3D reconstruction) //
	9	// //
	10	///////////////////////////////////////////////////////////////////
	11
6a0d56b8	12	/* $Id$ */
6a0d56b8	13
f5f6da22	14	#include <TClonesArray.h>
6a0d56b8	15	#include <AliESDVertex.h>
70c95f95	16
	17	class AliITSVertexer3D : public AliITSVertexer {
	18
	19	public:
	20
	21	AliITSVertexer3D();
70c95f95	22	virtual ~AliITSVertexer3D();
308c2f7c	23	virtual AliESDVertex* FindVertexForCurrentEvent(TTree *itsClusterTree);
6a0d56b8	24	AliESDVertex GetVertex3D() const {return fVert3D;}
70c95f95	25	virtual void PrintStatus() const;
7203e11a	26	void SetWideFiducialRegion(Float_t dz = 14.0, Float_t dr=2.5){
	27	SetCoarseMaxRCut(dr);
	28	SetZCutDiamond(dz);
	29	}
	30	void SetNarrowFiducialRegion(Float_t dz = 0.5, Float_t dr=0.5){
	31	SetMaxRCut(dr);
	32	SetMaxZCut(dz);
	33	}
	34	void SetDeltaPhiCuts(Float_t dphiloose=0.5, Float_t dphitight=0.01){
	35	SetCoarseDiffPhiCut(dphiloose);
	36	SetDiffPhiMax(dphitight);
	37	}
70c95f95	38	void SetCoarseDiffPhiCut(Float_t dphi = 0.5){fCoarseDiffPhiCut=dphi;}
05d1294c	39	void SetCoarseMaxRCut(Float_t rad = 2.5){fCoarseMaxRCut=rad;}
05d1294c	40	void SetMaxRCut(Float_t rad = 0.5){fMaxRCut=rad;}
0599a018	41	void SetZCutDiamond(Float_t zcut = 14.0){fZCutDiamond=zcut;}
05d1294c	42	void SetMaxZCut(Float_t dz = 0.5){fMaxZCut=dz;}
7203e11a	43	void SetDCACut(Float_t dca=0.1){fDCAcut=dca;}
70c95f95	44	void SetDiffPhiMax(Float_t pm = 0.01){fDiffPhiMax = pm;}
6a0d56b8	45	void SetMeanPSelTracks(Float_t pGeV=0.875){fMeanPSelTrk = pGeV;}
	46	void SetMeanPtSelTracks(Float_t ptGeV=0.630){fMeanPtSelTrk = ptGeV;}
	47	void SetMeanPPtSelTracks(Float_t fieldTesla);
70c95f95	48
	49	protected:
	50	AliITSVertexer3D(const AliITSVertexer3D& vtxr);
	51	AliITSVertexer3D& operator=(const AliITSVertexer3D& /* vtxr */);
308c2f7c	52	Int_t FindTracklets(TTree *itsClusterTree, Int_t optCuts);
05d1294c	53	Int_t Prepare3DVertex(Int_t optCuts);
27167524	54	void ResetVert3D();
70c95f95	55
6a0d56b8	56
f5f6da22	57	TClonesArray fLines; //! array of tracklets
6a0d56b8	58	AliESDVertex fVert3D; // 3D Vertex
70c95f95	59	Float_t fCoarseDiffPhiCut; // loose cut on DeltaPhi for RecPoint matching
05d1294c	60	Float_t fCoarseMaxRCut; // cut on tracklet DCA to Z axis
05d1294c	61	Float_t fMaxRCut; // cut on tracklet DCA to beam axis
70c95f95	62	Float_t fZCutDiamond; // cut on +-Z of the diamond
05d1294c	63	Float_t fMaxZCut; // cut on Z distance from estimated vertex
70c95f95	64	Float_t fDCAcut; // cut on tracklet to tracklet and tracklet to vertex DCA
70c95f95	65	Float_t fDiffPhiMax; // Maximum delta phi allowed among corr. pixels
6a0d56b8	66	Float_t fMeanPSelTrk; // GeV, mean P for tracks with dphi<0.01 rad
	67	Float_t fMeanPtSelTrk; // GeV, mean Pt for tracks with dphi<0.01 rad
	68
308c2f7c	69	ClassDef(AliITSVertexer3D,6);
70c95f95	70
	71	};
	72
	73	#endif