/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Event/RootEventData/RootEventData-00-03-80/RootEventData/TEvtRecPrimaryVertex.h

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#ifndef RootEventData_TEvtRecPrimaryVertex_H
#define RootEventData_TEvtRecPrimaryVertex_H

#include <vector>
#include "TObject.h"

class TEvtRecPrimaryVertex : public TObject {
 public:
  TEvtRecPrimaryVertex();
  ~TEvtRecPrimaryVertex(); 

  Bool_t isValid() const {return m_isValid;}
  Int_t nTracks() const {return m_nTracks;}
  const std::vector<Int_t>& trackIdList() const {return m_trackIdList;}
  Double_t chi2() const {return m_chi2;}
  Int_t ndof() const {return m_ndof;}
  Int_t fitMethod() const {return m_fitMethod;}
  Double_t vertex(Int_t i) const {return m_vtx[i];}
  Double_t errorVertex(Int_t i) const {return m_Evtx[i];}

  void setIsValid(Bool_t isValid) {m_isValid = isValid;}
  void setNTracks(Int_t nTracks) {m_nTracks = nTracks;}
  void setTrackIdList(const std::vector<Int_t>& trackIdList) {m_trackIdList = trackIdList;}
  void setChi2(Double_t chi2) {m_chi2 = chi2;}
  void setNdof(Int_t ndof) {m_ndof = ndof;}
  void setFitMethod(Int_t fitMethod) {m_fitMethod = fitMethod;}
  void setVertex(Double_t vtx[3]) {
    for (Int_t i = 0; i < 3; i++) m_vtx[i] = vtx[i];
  } 
  void setErrorVertex(Double_t Evtx[6]) {
    for (Int_t i = 0; i < 6; i++) m_Evtx[i] = Evtx[i];
  }

 private:
  Bool_t m_isValid;
  Int_t m_nTracks; //number of tracks contributing to vertex fitting
  std::vector<Int_t> m_trackIdList; // id list of tracks contributing to vertex fitting
  Double_t m_chi2; // chi square of vertex fitting
  Int_t m_ndof; // degree of freedom 
              // for a fixed position => 2n; for unknown position => 2n-3;
  Int_t m_fitMethod; // vertex fitting algorithm 
                  // 0 => global method; 1 => kalman filter method;
  Double_t m_vtx[3]; // primary vertex position : (Vx, Vy, Vz)
  Double_t m_Evtx[6]; // error matrix of primary vertex 

  ClassDef(TEvtRecPrimaryVertex, 1)
};

#endif
  

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