TFitParticleECart Class Reference

#include <TFitParticleECart.h>

Inheritance diagram for TFitParticleECart:

Public Member Functions
virtual TLorentzVector *	calc4Vec (const TMatrixD *params)
virtual TAbsFitParticle *	clone (const TString &newname=TString("")) const
virtual TMatrixD *	getDerivative ()
virtual void	setIni4Vec (const TLorentzVector *pini)
	TFitParticleECart ()
	TFitParticleECart (const TFitParticleECart &fitParticle)
	TFitParticleECart (TLorentzVector *pini, const TMatrixD *theCovMatrix)
	TFitParticleECart (const TString &name, const TString &title, TLorentzVector *pini, const TMatrixD *theCovMatrix)
virtual TMatrixD *	transform (const TLorentzVector &vec)
virtual	~TFitParticleECart ()
Public Member Functions inherited from TAbsFitParticle
virtual void	applycorr (TMatrixD *corrMatrix)
virtual const TMatrixD *	getCovMatrix () const
virtual const TMatrixD *	getCovMatrixDeltaY ()
virtual const TMatrixD *	getCovMatrixFit () const
const TLorentzVector *	getCurr4Vec ()
TString	getInfoString ()
const TLorentzVector *	getIni4Vec ()
Int_t	getNPar () const
const TMatrixD *	getParCurr ()
const TMatrixD *	getParIni ()
virtual const TMatrixD *	getPull ()
const TVector3 *	getu1 ()
const TVector3 *	getu2 ()
const TVector3 *	getu3 ()
virtual void	print ()
virtual void	reset ()
virtual void	setCovMatrix (const TMatrixD *theCovMatrix)
virtual void	setCovMatrixFit (const TMatrixD *theCovMatrixFit)
void	setParIni (const TMatrixD *parini)
	TAbsFitParticle ()
	TAbsFitParticle (const TString &name, const TString &title)
virtual	~TAbsFitParticle ()

Protected Member Functions
void	init (TLorentzVector *pini, const TMatrixD *theCovMatrix)
Protected Member Functions inherited from TAbsFitParticle
void	calcCovMatrixDeltaY ()

Additional Inherited Members
Protected Attributes inherited from TAbsFitParticle
TMatrixD	_covMatrix
TMatrixD	_covMatrixDeltaY
TMatrixD	_covMatrixFit
TMatrixD	_iniparameters
Int_t	_nPar
TMatrixD	_parameters
TLorentzVector	_pcurr
TLorentzVector	_pini
TMatrixD	_pull
TVector3	_u1
TVector3	_u2
TVector3	_u3

Detailed Description

Definition at line 10 of file TFitParticleECart.h.

Constructor & Destructor Documentation

TFitParticleECart::TFitParticleECart

(

)

Definition at line 26 of file TFitParticleECart.cc.

References init().

Referenced by clone().

  :TAbsFitParticle()  
{
  init(0, 0);
}

TFitParticleECart::TFitParticleECart

(

const TFitParticleECart &

fitParticle

)

Definition at line 32 of file TFitParticleECart.cc.

References TAbsFitParticle::_covMatrix, TAbsFitParticle::_iniparameters, TAbsFitParticle::_nPar, TAbsFitParticle::_parameters, TAbsFitParticle::_pcurr, TAbsFitParticle::_pini, TAbsFitParticle::_u1, TAbsFitParticle::_u2, and TAbsFitParticle::_u3.

  :TAbsFitParticle( fitParticle.GetName(), fitParticle.GetTitle() )
{

  _nPar = fitParticle._nPar;
  _u1 = fitParticle._u1;
  _u2 = fitParticle._u2;
  _u3 = fitParticle._u3;
  _covMatrix.ResizeTo(  fitParticle._covMatrix );
  _covMatrix = fitParticle._covMatrix;
  _iniparameters.ResizeTo( fitParticle._iniparameters );
  _iniparameters = fitParticle._iniparameters;
  _parameters.ResizeTo( fitParticle._parameters );
  _parameters = fitParticle._parameters;
  _pini = fitParticle._pini;
  _pcurr = fitParticle._pcurr;

}

TFitParticleECart::TFitParticleECart	(	TLorentzVector *	pini,
		const TMatrixD *	theCovMatrix
	)

Definition at line 51 of file TFitParticleECart.cc.

References init().

  :TAbsFitParticle()  
{
  init(pini, theCovMatrix);
}

TFitParticleECart::TFitParticleECart	(	const TString &	name,
		const TString &	title,
		TLorentzVector *	pini,
		const TMatrixD *	theCovMatrix
	)

Definition at line 57 of file TFitParticleECart.cc.

References init().

  :TAbsFitParticle(name, title)  
{
  init(pini, theCovMatrix);
}

TFitParticleECart::~TFitParticleECart ( )

virtual

Definition at line 76 of file TFitParticleECart.cc.

                                      {

}

Member Function Documentation

TLorentzVector * TFitParticleECart::calc4Vec ( const TMatrixD *  params )

virtual

Implements TAbsFitParticle.

Definition at line 91 of file TFitParticleECart.cc.

References TAbsFitParticle::_nPar, X, and Gflash::Z.

                                                                    {
  // Calculates a 4vector corresponding to the given
  // parameter values

  if (params == 0) {
    return 0;
  }

  if ( params->GetNcols() != 1 || params->GetNrows() !=_nPar ) {
    edm::LogError ("WrongMatrixSize")
      << GetName() << "::calc4Vec - Parameter matrix has wrong size.";
    return 0;
  }
  
  Double_t X = (*params)(0,0);
  Double_t Y = (*params)(1,0);
  Double_t Z = (*params)(2,0);
  Double_t E = (*params)(3,0);

  TLorentzVector* vec = new TLorentzVector( X, Y, Z, E );
  return vec;

}

TAbsFitParticle * TFitParticleECart::clone ( const TString &  newname = TString("") ) const

virtual

Implements TAbsFitParticle.

Definition at line 64 of file TFitParticleECart.cc.

References TFitParticleECart().

                                                                        {
  // Returns a copy of itself

  TAbsFitParticle* myclone = new TFitParticleECart( *this );
  if ( newname.Length() > 0 ) myclone->SetName(newname);
  return myclone;

}

TMatrixD * TFitParticleECart::getDerivative ( )

virtual

Implements TAbsFitParticle.

Definition at line 157 of file TFitParticleECart.cc.

                                           {
  // returns derivative dP/dy with P=(p,E) and y=(px, py, pz, d) 
  // the free parameters of the fit. The columns of the matrix contain 
  // (dP/dpx, dP/dpy, ...).

  TMatrixD* DerivativeMatrix = new TMatrixD(4,4);
  (*DerivativeMatrix) *= 0.;

  //1st column: dP/dx
  (*DerivativeMatrix)(0,0)=1.;
  (*DerivativeMatrix)(1,0)=0.;
  (*DerivativeMatrix)(2,0)=0.;
  (*DerivativeMatrix)(3,0)=0.;

  //2nd column: dP/dy
  (*DerivativeMatrix)(0,1)=0;
  (*DerivativeMatrix)(1,1)=1;
  (*DerivativeMatrix)(2,1)=0;
  (*DerivativeMatrix)(3,1)=0.;

   //3rd column: dP/dz
  (*DerivativeMatrix)(0,2)=0.;
  (*DerivativeMatrix)(1,2)=0.;
  (*DerivativeMatrix)(2,2)=1.;
  (*DerivativeMatrix)(3,2)=0.;

   //4th column: dP/dm
  (*DerivativeMatrix)(0,3)=0.;
  (*DerivativeMatrix)(1,3)=0.;
  (*DerivativeMatrix)(2,3)=0.;
  (*DerivativeMatrix)(3,3)=1.;

  return DerivativeMatrix;  
}

void TFitParticleECart::init ( TLorentzVector *  pini, const TMatrixD *  theCovMatrix  )

protected

Definition at line 83 of file TFitParticleECart.cc.

References TAbsFitParticle::_nPar, TAbsFitParticle::setCovMatrix(), and setIni4Vec().

Referenced by TFitParticleECart().

                                                                                {

  _nPar = 4;
  setIni4Vec(pini);
  setCovMatrix(theCovMatrix);

}

void TFitParticleECart::setIni4Vec ( const TLorentzVector *  pini )

virtual

Implements TAbsFitParticle.

Definition at line 115 of file TFitParticleECart.cc.

References TAbsFitParticle::_iniparameters, TAbsFitParticle::_nPar, TAbsFitParticle::_parameters, TAbsFitParticle::_pcurr, TAbsFitParticle::_pini, TAbsFitParticle::_u1, TAbsFitParticle::_u2, and TAbsFitParticle::_u3.

Referenced by init().

                                                             {
  // Set the initial 4vector. Will also set the 
  // inital parameter values

  if (pini == 0) {

    _u1.SetXYZ(0., 0., 0.);
    _u3.SetXYZ(0., 0., 0.);
    _u2.SetXYZ(0., 0., 0.);
    _pini.SetXYZT(0., 0., 0., 0.);
    _pcurr = _pini;

    _iniparameters.ResizeTo(_nPar,1);
    _iniparameters(0,0)=0;
    _iniparameters(1,0)=0;
    _iniparameters(2,0)=0;
    _iniparameters(3,0)=0.;

    _parameters.ResizeTo(_nPar,1);
    _parameters = _iniparameters;
    
  } else {
    
    _pini = (*pini);
    _pcurr = _pini;

    _u1.SetXYZ( 1., 0., 0. );
    _u2.SetXYZ( 0., 1., 0. );
    _u3.SetXYZ( 0., 0., 1. );
  
    _iniparameters.ResizeTo(_nPar,1);
    _iniparameters(0,0)=_pini.X();
    _iniparameters(1,0)=_pini.Y();
    _iniparameters(2,0)=_pini.Z();
    _iniparameters(3,0)=_pini.E();
    _parameters.ResizeTo(_nPar,1);
    _parameters = _iniparameters;

  }

}

TMatrixD * TFitParticleECart::transform ( const TLorentzVector &  vec )

virtual

Implements TAbsFitParticle.

Definition at line 192 of file TFitParticleECart.cc.

References TAbsFitParticle::_nPar.

                                                                {
  // Returns the parameters corresponding to the given 
  // 4vector

  TMatrixD* tparams = new TMatrixD( _nPar, 1 );
  (*tparams)(0,0) = vec.X();
  (*tparams)(1,0) = vec.Y();
  (*tparams)(2,0) = vec.Z();
  (*tparams)(3,0) = vec.E();

  return tparams;

}