#ifndef STNTUPLE_TStnSecVtxTag
#define STNTUPLE_TStnSecVtxTag

#ifdef __GNUG__
#pragma interface
#endif

class  CdfTrack;
class  SecVtxObj;
class  TStnTrack;

#include "TObject.h"
#include "TLorentzVector.h"
#include "Stntuple/base/TMatrix33.hh"
// #include "Stntuple/obj/TStnJet.hh"

class TStnSecVtxTag : public TObject {
  friend Int_t StntupleInitSecVtxTag(TStnSecVtxTag*, const SecVtxObj*, int );

public: 
//------------------------------------------------------------------------------
//  data members
//------------------------------------------------------------------------------
  Int_t                  fJet;              // Jet index in Stntuple JetBlock
  Int_t                  fNTrackGd;         // Num good tracks in this jet
  Int_t                  fNTrackSd1;        // Num tracks passing sd0 cut (Pass1)
  Int_t                  fNTrackSd2;        // Num Pass2 tracks
  Int_t                  fNTrackTg;         // Num tracks used in vertex
  Int_t                  fTag;              // tagged or not
  Int_t                  fPass;             // pass id
  Int_t                  fCharge;           // charge
  Float_t                fL3d;              // decay length
  Float_t                fDl3d;             // error of decay length
  Float_t                fL2d;              // 2d length
  Float_t                fDl2d;             // error of 2d length
  Float_t                fLzd;              // dz
  Float_t                fDlzd;             // error of dz
  Float_t                fChisq;            // chi^2
  Float_t                fChisqr;           // chi^2 in r-phi
  Float_t                fChisqz;           // chi^2 in z
  Float_t                fMisTag;           // Mistag prob
  TVector3               fSecVertex;        // 3d position of secondary vertex
  TMatrix33              fErrorMatrix;      //|| error Matrix
  TLorentzVector         fSecVertex4;       // SecVtx 4 vector

//------------------------------------------------------------------------------
//  functions
//------------------------------------------------------------------------------
public:
					// ****** constructors and destructor
  TStnSecVtxTag();
  virtual ~TStnSecVtxTag();
					// ****** accessors
  Int_t        Jet       ()         { return fJet; }
  Int_t        Tag       ()         { return fTag; }
  Int_t        Pass      ()         { return fPass; }
  TVector3     SecVertex ()         { return fSecVertex; }
  TMatrix33    ErrorMatrix ()       { return fErrorMatrix; }
  TLorentzVector SecVertex4 ()      { return fSecVertex4; }
  Float_t      L3d ()               { return fL3d; }
  Float_t      Dl3d ()              { return fDl3d; }
  Float_t      L2d ()               { return fL2d; }
  Float_t      Dl2d ()              { return fDl2d; }
  Float_t      Lzd ()               { return fLzd; }
  Float_t      Dlzd ()              { return fDlzd; }
  Float_t      Chisq ()             { return fChisq; }
  Float_t      Chisqr ()            { return fChisqr; }
  Float_t      Chisqz ()            { return fChisqz; }
  Float_t      Charge ()            { return fCharge; }
  Float_t      MisTag ()            { return fMisTag; }
  Int_t        NTrackGd ()          { return fNTrackGd; }
  Int_t        NTrackSd1 ()         { return fNTrackSd1; }
  Int_t        NTrackSd2 ()         { return fNTrackSd2; }
  Int_t        NTrackTg ()          { return fNTrackTg; }


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


  ClassDef(TStnSecVtxTag,3)    //class def
};

#endif