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

#ifndef ALIITSSIMPLEVERTEX_H
#define ALIITSSIMPLEVERTEX_H
/* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */


//-------------------------------------------------------
//                    Secondary Vertex Class
//          as calculated by AliITSVertexerTracks
//   Origin: F. Prino, Torino, prino@to.infn.it
//-------------------------------------------------------

/*****************************************************************************
 *                                                                           *
 * This class deals with secondary vertices.                                 *
 * AliITSSimpleVertex objects are created by the class AliITSVertexerTracks  *
 *                                                                           *
 *****************************************************************************/

//---- Root headers -----
#include <TNamed.h>

class AliITSSimpleVertex : public TNamed {
 
 public:
 
  AliITSSimpleVertex();
  AliITSSimpleVertex(Double_t position[3],Double_t dispersion,
		Int_t nContributors);
  virtual ~AliITSSimpleVertex();


  void   SetXYZ(Double_t pos[3]) {for(Int_t j=0; j<3; j++) fPosition[j]=pos[j];}
  void   SetXv(Double_t xVert) {fPosition[0]=xVert; }
  void   SetYv(Double_t yVert) {fPosition[1]=yVert; }
  void   SetZv(Double_t zVert) {fPosition[2]=zVert; }
  void   SetDispersion(Double_t disp) { fSigma=disp; }
  void   SetNContributors(Int_t nContr) {fNContributors=nContr; }

  void     GetXYZ(Double_t position[3]) const;
  Double_t GetXv() const { return fPosition[0]; }
  Double_t GetYv() const { return fPosition[1]; }
  Double_t GetZv() const { return fPosition[2]; }
  Double_t GetDispersion() const { return fSigma; }
  Int_t    GetNContributors() const { return fNContributors; }

  void     Print(Option_t* option = "") const;


 protected:

  Double_t fPosition[3];  // vertex position
  Double_t fSigma;  // track dispersion around found vertex
  Int_t    fNContributors;  // # of tracklets/tracks used for the estimate 


  ClassDef(AliITSSimpleVertex,1)  // Class for Primary Vertex
};

#endif
Commit	Line	Data
66e811e2	1	#ifndef ALIITSSIMPLEVERTEX_H
	2	#define ALIITSSIMPLEVERTEX_H
	3	/* Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6
	7	//-------------------------------------------------------
	8	// Secondary Vertex Class
	9	// as calculated by AliITSVertexerTracks
	10	// Origin: F. Prino, Torino, prino@to.infn.it
	11	//-------------------------------------------------------
	12
	13	/*****************************************************************************
	14	* *
	15	* This class deals with secondary vertices. *
	16	* AliITSSimpleVertex objects are created by the class AliITSVertexerTracks *
	17	* *
	18	*****************************************************************************/
	19
	20	//---- Root headers -----
	21	#include <TNamed.h>
	22
	23	class AliITSSimpleVertex : public TNamed {
	24
	25	public:
	26
	27	AliITSSimpleVertex();
	28	AliITSSimpleVertex(Double_t position[3],Double_t dispersion,
	29	Int_t nContributors);
	30	virtual ~AliITSSimpleVertex();
	31
	32
	33	void SetXYZ(Double_t pos[3]) {for(Int_t j=0; j<3; j++) fPosition[j]=pos[j];}
	34	void SetXv(Double_t xVert) {fPosition[0]=xVert; }
	35	void SetYv(Double_t yVert) {fPosition[1]=yVert; }
	36	void SetZv(Double_t zVert) {fPosition[2]=zVert; }
	37	void SetDispersion(Double_t disp) { fSigma=disp; }
	38	void SetNContributors(Int_t nContr) {fNContributors=nContr; }
	39
	40	void GetXYZ(Double_t position[3]) const;
	41	Double_t GetXv() const { return fPosition[0]; }
	42	Double_t GetYv() const { return fPosition[1]; }
	43	Double_t GetZv() const { return fPosition[2]; }
	44	Double_t GetDispersion() const { return fSigma; }
	45	Int_t GetNContributors() const { return fNContributors; }
	46
	47	void Print(Option_t* option = "") const;
	48
	49
	50	protected:
	51
	52	Double_t fPosition[3]; // vertex position
	53	Double_t fSigma; // track dispersion around found vertex
	54	Int_t fNContributors; // # of tracklets/tracks used for the estimate
	55
	56
	57	ClassDef(AliITSSimpleVertex,1) // Class for Primary Vertex
	58	};
	59
	60	#endif
	61
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