#include <TrkSimpTraj.h>

Inheritance diagram for TrkSimpTraj:

Public Member Functions
	TrkSimpTraj (const HepVector &params, const HepSymMatrix &cov, const double startRange=-99999., const double endRange=99999., const HepPoint3D &refpoint=_theOrigin)

	TrkSimpTraj (const TrkParams &params, const double startRange=-99999., const double endRange=99999., const HepPoint3D &refpoint=_theOrigin)

virtual	~TrkSimpTraj ()

virtual TrkSimpTraj *	clone () const =0

TrkParams *	parameters ()

const TrkParams *	parameters () const

virtual const TrkSimpTraj *	localTrajectory (double fltLen, double &localFlt) const

const HepPoint3D &	referencePoint () const

virtual void	print (std::ostream &os) const

virtual void	printAll (std::ostream &os) const

virtual int	nPar () const

void	changePoint (const HepPoint3D &newpoint, double &fltlen)

void	setPoint (const HepPoint3D &newpoint)

TrkSimpTraj &	invert ()

virtual void	invertParams (TrkParams *newparams, std::vector< bool > &flags) const =0

virtual TranslateParams	paramFunction () const =0

virtual void	visitAccept (TrkVisitor *vis) const =0

bool	operator== (const TrkSimpTraj &) const

Public Member Functions inherited from TrkDifTraj
	TrkDifTraj (const double lowlim=-99999., const double hilim=99999.)

virtual	~TrkDifTraj ()

virtual void	getDFInfo (double fltLen, DifPoint &pos, DifVector &direction, DifVector &delDirect) const =0

virtual void	getDFInfo2 (double fltLen, DifPoint &pos, DifVector &direction) const

virtual const TrkSimpTraj *	localTrajectory (double fltLen, double &localFlt) const =0

Public Member Functions inherited from Trajectory
	Trajectory (double lowlim, double hilim)

virtual	~Trajectory ()

virtual HepPoint3D	position (double) const =0

virtual Hep3Vector	direction (double) const =0

virtual Hep3Vector	delDirect (double) const =0

virtual double	curvature (double) const =0

virtual void	getInfo (double fltLen, HepPoint3D &pos, Hep3Vector &direction) const =0

virtual void	getInfo (double fltLen, HepPoint3D &pos, Hep3Vector &direction, Hep3Vector &delDirect) const =0

double	distTo0thError (double s, double tol, int pathDir) const

virtual double	distTo1stError (double s, double tol, int pathDir) const =0

virtual double	distTo2ndError (double s, double tol, int pathDir) const =0

virtual Trajectory *	clone () const =0

bool	validFlightDistance (double f, double tolerance=0.0) const

virtual void	setFlightRange (double newrange[2])

double	lowRange () const

double	hiRange () const

double	range () const

virtual void	print (std::ostream &os) const

virtual void	printAll (std::ostream &os) const

Public Member Functions inherited from TrkKalDeriv
virtual HepMatrix	derivDeflect (double fltlen, deflectDirection idir) const =0

virtual HepMatrix	derivDisplace (double fltlen, deflectDirection idir) const =0

virtual HepMatrix	derivPFract (double fltlen) const =0

Static Public Attributes
static HepPoint3D	_theOrigin

Protected Attributes
TrkParams	_dtparams

HepPoint3D	_refpoint

Protected Attributes inherited from Trajectory
double	flightrange [2]

Additional Inherited Members
Protected Member Functions inherited from Trajectory
Trajectory &	operator= (const Trajectory &)

Detailed Description

Definition at line 55 of file TrkSimpTraj.h.

Constructor & Destructor Documentation

◆ TrkSimpTraj() [1/2]

TrkSimpTraj::TrkSimpTraj	(	const HepVector &	params,
		const HepSymMatrix &	cov,
		const double	startRange = `-99999.`,
		const double	endRange = `99999.`,
		const HepPoint3D &	refpoint = `_theOrigin`
	)

Definition at line 30 of file TrkSimpTraj.cxx.

                                         :
//----------------------------------------------------------------------------
  TrkDifTraj(lowlim, hilim),_dtparams(params, cov),_refpoint(refpoint)
{;}

◆ TrkSimpTraj() [2/2]

TrkSimpTraj::TrkSimpTraj	(	const TrkParams &	params,
		const double	startRange = `-99999.`,
		const double	endRange = `99999.`,
		const HepPoint3D &	refpoint = `_theOrigin`
	)

Definition at line 37 of file TrkSimpTraj.cxx.

                                         :
//----------------------------------------------------------------------------
  TrkDifTraj(lowlim, hilim),_dtparams(params),_refpoint(refpoint)
{;}

◆ ~TrkSimpTraj()

TrkSimpTraj::~TrkSimpTraj ( )

virtual

Definition at line 53 of file TrkSimpTraj.cxx.

55{ }

Member Function Documentation

◆ changePoint()

void TrkSimpTraj::changePoint	(	const HepPoint3D &	newpoint,
		double &	fltlen
	)

Definition at line 70 of file TrkSimpTraj.cxx.

                                                                  {
//----------------------------------------------------------------------------
  if(newpoint != _refpoint){
//  find POCA to the new point
    TrkPocaXY endpoca(*this,fltlen,newpoint);
    if(endpoca.status().failure()){
      std::cout<<"ErrMsg(error)" << "poca failure changing reference point" << std::endl;
      return;
    } else {
// update flight length
      fltlen = endpoca.flt1();
// make a symmatrix from the covariance: temporary kludge
      int nrow = parameters()->covariance().num_row();
      HepSymMatrix cov(nrow);
      for(int irow=0;irow<nrow;irow++)
    for(int icol=0;icol<=irow;icol++)
      cov.fast(irow+1,icol+1) = parameters()->covariance().fast(irow+1,icol+1);
//  Get the translation function
      TranslateParams pfunc = paramFunction();
//  Use it on the SimpTraj parameters
      pfunc(_refpoint,newpoint,
        parameters()->parameter(),cov,
        _dtparams.parameter(),cov,
        fltlen);
// put back the covariance
      _dtparams.covariance() = cov;
      _refpoint = newpoint;
// update the flight range to correspond to the same range in space as before
      double newrange[2];
      newrange[0] = lowRange() - fltlen;
      newrange[1] = hiRange() - fltlen;
      setFlightRange(newrange);
    }
  }
  return;
}

◆ clone()

virtual TrkSimpTraj * TrkSimpTraj::clone ( ) const

pure virtual

Implements Trajectory.

Implemented in HelixTraj, NeutTraj, TrkCircleTraj, and TrkDifLineTraj.

Referenced by TrkDifPieceTraj::append(), TrkDifPieceTraj::prepend(), and TrkDifPieceTraj::TrkDifPieceTraj().

◆ invert()

TrkSimpTraj & TrkSimpTraj::invert ( )

Definition at line 128 of file TrkSimpTraj.cxx.

{
  // Invert parameters
  std::vector<bool> flags(parameters()->nPar(),false);
  invertParams(parameters(), flags);
  // loop over parameters and invert covariance matrix
  for(int iparam=0;iparam<parameters()->nPar();iparam++){
    bool iinvert = flags[iparam];
// do covariance cross-terms too
    for(int jparam=iparam+1;jparam<parameters()->nPar();jparam++){
      bool jinvert = flags[jparam];
      if( (iinvert && !jinvert) || (!iinvert && jinvert) ) {
// cross-terms change sign
        parameters()->covariance()[iparam][jparam] *= -1.0;
      }
    }
  }
// invert the flightlength
  double range[2];
  range[0] = -hiRange();
  range[1] = -lowRange();
  setFlightRange(range);
// done
  return *this;
}

◆ invertParams()

virtual void TrkSimpTraj::invertParams	(	TrkParams *	newparams,
		std::vector< bool > &	flags
	)		const

pure virtual

Implemented in NeutTraj, HelixTraj, TrkCircleTraj, and TrkDifLineTraj.

Referenced by invert().

◆ localTrajectory()

const TrkSimpTraj * TrkSimpTraj::localTrajectory	(	double	fltLen,
		double &	localFlt
	)		const

virtual

Implements TrkDifTraj.

Definition at line 59 of file TrkSimpTraj.cxx.

                                                                  {
//----------------------------------------------------------------------------
  localFlt = fltLen;
  return this;
}

◆ nPar()

virtual int TrkSimpTraj::nPar ( ) const

inlinevirtual

Reimplemented in HelixTraj, NeutTraj, TrkCircleTraj, and TrkDifLineTraj.

Definition at line 88 of file TrkSimpTraj.h.

88{return parameters()->nPar();}

Referenced by TrkHelixFitter::fit(), and invert().

◆ operator==()

bool TrkSimpTraj::operator== ( const TrkSimpTraj & x ) const

Definition at line 156 of file TrkSimpTraj.cxx.

{
     if (lowRange()!=x.lowRange() || hiRange()!=x.hiRange()) return false;
     const HepVector &m=_dtparams.parameter(); 
     unsigned int mp=m.num_row();
     const HepVector &n=x._dtparams.parameter(); 
     unsigned int np=n.num_row();
     if (np!=mp) return false;
     for(unsigned i=0;i<np;++i){
    if(m[i] != n[i]) return false;
     }
     return _refpoint==x._refpoint;
}

◆ parameters() [1/2]

TrkParams * TrkSimpTraj::parameters ( )

inline

Definition at line 80 of file TrkSimpTraj.h.

80{return &_dtparams;}

Referenced by changePoint(), TrkMomCalculator::charge(), HelixTraj::d0(), TrkCircleTraj::d0(), TrkDifLineTraj::d0(), TrkHelixFitter::fit(), HelixTraj::getDFInfo(), NeutTraj::getDFInfo(), TrkCircleTraj::getDFInfo(), TrkDifLineTraj::getDFInfo(), HelixTraj::getDFInfo2(), TrkCircleTraj::getDFInfo2(), HelixTraj::getInfo(), TrkCircleRep::helix(), TrkHelixRep::helix(), TrkLineRep::helix(), HelixTraj::HelixTraj(), invert(), TrkSimpleRep::nDof(), nPar(), HelixTraj::omega(), TrkCircleTraj::omega(), HelixTraj::operator=(), TrkCircleTraj::operator=(), TrkDifLineTraj::operator=(), HelixTraj::phi0(), TrkCircleTraj::phi0(), TrkDifLineTraj::phi0(), HelixTraj::position(), TrkMomCalculator::ptMom(), TrkHelixRep::resid(), HelixTraj::tanDip(), TrkDifLineTraj::tanDip(), TrkCircleTraj::TrkCircleTraj(), TrkDifLineTraj::TrkDifLineTraj(), TrkHitOnTrk::TrkHitOnTrk(), TrkMomCalculator::vecMom(), HelixTraj::z0(), and TrkDifLineTraj::z0().

◆ parameters() [2/2]

const TrkParams * TrkSimpTraj::parameters ( ) const

inline

Definition at line 81 of file TrkSimpTraj.h.

81{return &_dtparams;}

◆ paramFunction()

virtual TranslateParams TrkSimpTraj::paramFunction ( ) const

pure virtual

Implemented in HelixTraj, NeutTraj, TrkCircleTraj, and TrkDifLineTraj.

Referenced by changePoint().

◆ print()

void TrkSimpTraj::print ( std::ostream & os ) const

virtual

Reimplemented from Trajectory.

Reimplemented in HelixTraj.

Definition at line 119 of file TrkSimpTraj.cxx.

                                    {
//----------------------------------------------------------------------------
  os << "Simple ";
  Trajectory::print(os);
}

◆ printAll()

void TrkSimpTraj::printAll ( std::ostream & os ) const

virtual

Reimplemented from Trajectory.

Reimplemented in HelixTraj.

Definition at line 108 of file TrkSimpTraj.cxx.

                                       {
//----------------------------------------------------------------------------
    os << "Simple ";
    Trajectory::printAll(os);
    os << "SimpTraj parameter vector = "
       << _dtparams.parameter();
    os << "  and covariance matrix =  " 
       << _dtparams.covariance();
  }

◆ referencePoint()

const HepPoint3D & TrkSimpTraj::referencePoint ( ) const

inline

Definition at line 84 of file TrkSimpTraj.h.

84{return _refpoint;}

Referenced by HelixTraj::getDFInfo(), TrkCircleTraj::getDFInfo(), TrkDifLineTraj::getDFInfo(), HelixTraj::getDFInfo2(), TrkCircleTraj::getDFInfo2(), HelixTraj::getInfo(), TrkCircleTraj::getInfo(), HelixTraj::position(), TrkCircleTraj::position(), TrkDifLineTraj::position(), and TrkDifPieceTraj::printAll().

◆ setPoint()

void TrkSimpTraj::setPoint ( const HepPoint3D & newpoint )

inline

Definition at line 96 of file TrkSimpTraj.h.

96{_refpoint = newpoint;}

◆ visitAccept()

virtual void TrkSimpTraj::visitAccept ( TrkVisitor * vis ) const

pure virtual

Implemented in HelixTraj, NeutTraj, TrkCircleTraj, and TrkDifLineTraj.

Referenced by TrkMomVisitor::TrkMomVisitor().

Member Data Documentation

◆ _dtparams

TrkParams TrkSimpTraj::_dtparams

protected

Definition at line 117 of file TrkSimpTraj.h.

Referenced by changePoint(), HelixTraj::operator=(), NeutTraj::operator=(), TrkCircleTraj::operator=(), TrkDifLineTraj::operator=(), operator==(), parameters(), and printAll().

◆ _refpoint

HepPoint3D TrkSimpTraj::_refpoint

protected

Definition at line 118 of file TrkSimpTraj.h.

Referenced by changePoint(), HelixTraj::operator=(), TrkCircleTraj::operator=(), TrkDifLineTraj::operator=(), operator==(), referencePoint(), and setPoint().

◆ _theOrigin

HepPoint3D TrkSimpTraj::_theOrigin

static

Definition at line 59 of file TrkSimpTraj.h.

The documentation for this class was generated from the following files:

Public Member Functions

Static Public Attributes

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ TrkSimpTraj() [1/2]

◆ TrkSimpTraj() [2/2]

◆ ~TrkSimpTraj()

Member Function Documentation

◆ changePoint()

◆ clone()

◆ invert()

◆ invertParams()

◆ localTrajectory()

◆ nPar()

◆ operator==()

◆ parameters() [1/2]

◆ parameters() [2/2]

◆ paramFunction()

◆ print()

◆ printAll()

◆ referencePoint()

◆ setPoint()

◆ visitAccept()

Member Data Documentation

◆ _dtparams

◆ _refpoint

◆ _theOrigin