Event/RootEventData/include/RootEventData/TEvtRecPrimaryVertex.h

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#ifndef RootEventData_TEvtRecPrimaryVertex_H
#define RootEventData_TEvtRecPrimaryVertex_H
 
#include "TObject.h"
#include <vector>
 
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