00001 #ifndef TAbsFitParticle_hh 00002 #define TAbsFitParticle_hh 00003 00004 #include "TMatrixD.h" 00005 #include "TLorentzVector.h" 00006 #include "TVector3.h" 00007 #include "TNamed.h" 00008 00009 class TAbsFitParticle : public TNamed { 00010 00011 public : 00012 00013 TAbsFitParticle(); 00014 TAbsFitParticle(const TString &name, const TString &title); 00015 virtual ~TAbsFitParticle(); 00016 virtual TAbsFitParticle* clone( TString newname = "" ) const = 0; 00017 00018 // returns derivative dP/dy with P=(p,E) and y=(par1, par2, par3, ...) 00019 // the free parameters of the fit. The columns of the matrix contain 00020 // (dP/dpar1, dP/dpar2, ...). 00021 virtual TMatrixD* getDerivative() = 0; 00022 00023 virtual void applycorr(TMatrixD* corrMatrix); 00024 virtual TMatrixD* transform(const TLorentzVector& vec) = 0; 00025 virtual void setCovMatrix(const TMatrixD* theCovMatrix); 00026 virtual const TMatrixD* getCovMatrix() const { return &_covMatrix; } 00027 virtual void setCovMatrixFit(const TMatrixD* theCovMatrixFit); 00028 virtual const TMatrixD* getCovMatrixFit() const { return &_covMatrixFit; } 00029 virtual const TMatrixD* getCovMatrixDeltaY(); 00030 virtual const TMatrixD* getPull(); 00031 00032 Int_t getNPar() const { return _nPar; } 00033 const TLorentzVector* getCurr4Vec() { return &_pcurr; } 00034 const TLorentzVector* getIni4Vec() { return &_pini; } 00035 virtual TLorentzVector* calc4Vec( const TMatrixD* params ) = 0; 00036 virtual void setIni4Vec(const TLorentzVector* pini) = 0; 00037 const TMatrixD* getParIni() { return &_iniparameters; } 00038 void setParIni(const TMatrixD* parini); 00039 const TMatrixD* getParCurr(){ return &_parameters; } 00040 const TVector3* getu1() { return &_u1; } 00041 const TVector3* getu2(){ return &_u2; } 00042 const TVector3* getu3() { return &_u3; } 00043 00044 TString getInfoString(); 00045 virtual void print(); 00046 virtual void reset(); 00047 00048 protected : 00049 00050 void calcCovMatrixDeltaY(); 00051 00052 Int_t _nPar; // Number of free parameters 00053 TVector3 _u1; // base vector 1 00054 TVector3 _u2; // base vector 2 00055 TVector3 _u3; // base vector 3 00056 00057 TMatrixD _covMatrix; // covariance matrix 00058 TMatrixD _covMatrixFit; // fitted covariance matrix 00059 TMatrixD _covMatrixDeltaY; // V(deltaY) == V(y_meas) - V(y_fit) 00060 TMatrixD _pull; // pull values for all parameters 00061 TMatrixD _iniparameters; // initialized parameters (parameters values before the fit) 00062 TMatrixD _parameters; // fitted parameters 00063 TLorentzVector _pini; // measured 4vector 00064 TLorentzVector _pcurr; // fitted 4vector 00065 00066 }; 00067 00068 #endif