StRoot: StTableUtilities/StTrackChair.h Source File

00001 #ifndef STAR_StTrackChair
00002 #define STAR_StTrackChair
00003 #include "TChair.h"
00004 #include "StHelixD.hh"
00005 
00006 class StTrackChair : public TChair {
00007  private: 
00008     UInt_t  mR0;       //        radius at start (cm)                   
00009     UInt_t  mPhi0;     //        azimuthal angle at start (deg)         
00010     UInt_t  mZ0;       //        z-coord. at start (cm)                 
00011     UInt_t  mPsi;      //        azimuthal angle of pT vector (deg)     
00012     UInt_t  mTanl;     //        tan(dip) =pz/pt at start               
00013     UInt_t  mInvpt;    //        1/pt at start (GeV/c)^(-1)             
00014     UInt_t  mCurvature;//        Track curvature (1/cm)                 
00015     UInt_t  mLength;   //        from first to last point (cm)          
00016     UInt_t  mCharge;   //        Particle charge in units of |e| 
00017  protected:
00018     StTrackChair() {;}
00019  public:
00020   static const Char_t *trackTableList[];
00021   StTrackChair(TTable *track);
00022  ~StTrackChair(){;}
00023   StHelixD *MakeHelix(Int_t i, float bField) const ;
00024   TDataSet* Instance() const {return TDataSet::Instance();}//WarnOff
00025   static StTrackChair *Instance(TTable *table);
00026   static Int_t IsTrack(TTable *table);
00027   Float_t R0(Int_t i)        const;
00028   Float_t Z0(Int_t i)        const;
00029   Float_t Phi0(Int_t i)      const;
00030   Float_t Invpt(Int_t i)     const;
00031   Float_t Curvature(Int_t i) const;
00032   Int_t   Charge(Int_t i)    const;         
00033   Float_t Length(Int_t i)    const;
00034   ClassDef(StTrackChair,0)
00035 };
00036 
00037 inline  Int_t   StTrackChair::Charge(Int_t i) const{return *(Int_t  *)GetOffset(At(i),mCharge); }
00038 inline  Float_t StTrackChair::R0(Int_t i)   const {return *(Float_t *)GetOffset(At(i),mR0); }
00039 inline  Float_t StTrackChair::Z0(Int_t i)   const {return *(Float_t *)GetOffset(At(i),mZ0); }
00040 inline  Float_t StTrackChair::Phi0(Int_t i) const {return *(Float_t *)GetOffset(At(i),mPhi0); }
00041 inline  Float_t StTrackChair::Invpt(Int_t i)const {return *(Float_t *)GetOffset(At(i),mInvpt); }
00042 inline  Float_t StTrackChair::Curvature(Int_t i) const {return *(Float_t *)GetOffset(At(i),mCurvature); }
00043 inline  Float_t StTrackChair::Length(Int_t i) const {return *(Float_t *)GetOffset(At(i),mLength); }
00044 
00045 #endif
00046