InDet::TRT_DriftCircleOnTrack Class Reference

Represents 'corrected' measurements from the TRT (for example, corrected for wire sag). More...

#include <TRT_DriftCircleOnTrack.h>

Inheritance diagram for InDet::TRT_DriftCircleOnTrack:

Collaboration diagram for InDet::TRT_DriftCircleOnTrack:

Public Member Functions
	TRT_DriftCircleOnTrack ()
	Default constructor - needed for POOL.
	TRT_DriftCircleOnTrack (const TRT_DriftCircleOnTrack &)
	Copy constructor.
TRT_DriftCircleOnTrack &	operator= (const TRT_DriftCircleOnTrack &)
	Assignment operator.
TRT_DriftCircleOnTrack &	operator= (TRT_DriftCircleOnTrack &&) noexcept
	Move assignment operator.
	TRT_DriftCircleOnTrack (const InDet::TRT_DriftCircle *RIO, Trk::LocalParameters &&driftRadius, Amg::MatrixX &&errDriftRadius, const IdentifierHash &idDE, double predictedLocZ, const Amg::Vector3D &predictedTrackDirection, const Trk::DriftCircleStatus status)
	Constructor with parameters and without externalPrediction.
	TRT_DriftCircleOnTrack (const ElementLinkToIDCTRT_DriftCircleContainer &RIO, const Trk::LocalParameters &driftRadius, const Amg::MatrixX &errDriftRadius, IdentifierHash idDE, const Identifier &id, double predictedLocZ, float localAngle, const Trk::DriftCircleStatus status, bool highLevel, double timeOverThreshold)
	Constructor used by the TP converters.
virtual	~TRT_DriftCircleOnTrack ()
	Destructor.
virtual TRT_DriftCircleOnTrack *	clone () const override final
	allows copying without losing the type information.
virtual const Amg::Vector3D &	globalPosition () const override final
	return the global position of this RIO_OnTrack
virtual const Trk::Surface &	associatedSurface () const override final
	returns the surface for the local to global transformation
virtual bool	rioType (Trk::RIO_OnTrackType::Type type) const override final
	Method checking the Rio On Track type.
virtual const TRT_DriftCircle *	prepRawData () const override final
	returns the PrepRawData - is a TRT_DriftCircle in this scope
const ElementLinkToIDCTRT_DriftCircleContainer &	prepRawDataLink () const
virtual IdentifierHash	idDE () const override final
	returns the DE hashID
virtual const InDetDD::TRT_BaseElement *	detectorElement () const override final
	returns the detector element, assoicated with the PRD of this class
Trk::DriftCircleSide	side () const
	returns the side on which the drift radius is.
Trk::DriftCircleStatus	status () const
	returns the status of the drift radius calibration.
bool	highLevel () const
	returns true if the high level threshold was passed
double	timeOverThreshold () const
	returns time over threshold in ns for valid digits; zero otherwise
virtual MsgStream &	dump (MsgStream &out) const override final
	returns some information about this RIO_OnTrack.
virtual std::ostream &	dump (std::ostream &out) const override final
	returns some information about this RIO_OnTrack.
float	localAngle () const
float	positionAlongWire () const
std::unique_ptr< RIO_OnTrack >	uniqueClone () const
	NVI clone returning unique_ptr.
virtual bool	type (MeasurementBaseType::Type type) const override final
	Extended method checking the type.
Identifier	identify () const
	return the identifier -extends MeasurementBase
const LocalParameters &	localParameters () const
	Interface method to get the LocalParameters.
const Amg::MatrixX &	localCovariance () const
	Interface method to get the localError.

Static Public Member Functions
static std::size_t	numberOfInstantiations ()

Static Public Attributes
static std::atomic_size_t	s_numberOfInstantiations

Protected Attributes
Identifier	m_identifier {}
	Identifier of the RIO_OnTrack (comes from the associated Trk::PrepRawData)
LocalParameters	m_localParams
Amg::MatrixX	m_localCovariance

Private Member Functions
virtual void	setValues (const Trk::TrkDetElementBase *detEl, const Trk::PrepRawData *prd) override final
	ONLY for use in custom convertor Allows the custom convertor to reset values when persistying/reading back RoTs.
void	setGlobalPositionHelper ()
	@calculate and set the global coord of this hit.

Private Attributes
Amg::Vector3D	m_globalPosition
	global position to be cached
float	m_localAngle
	local angle to be written out
float	m_positionAlongWire
	local position along wire to be written out
ElementLinkToIDCTRT_DriftCircleContainer	m_rio
IdentifierHash	m_idDE
	the IdentifierHash - probably not used
Trk::DriftCircleStatus	m_status
	the information how the (possibly signed) drift radius should be understood
bool	m_highLevel
	the high level flag
double	m_timeOverThreshold
	the time over threshold in nsec
const InDetDD::TRT_BaseElement *	m_detEl
	corresponding detector element

Friends
class	Trk::ITrkEventCnvTool

Detailed Description

Represents 'corrected' measurements from the TRT (for example, corrected for wire sag).

The equivalent 'uncorrected' class is InDet::TRT_DriftCircle*

Author

Edwar.nosp@m.d.Mo.nosp@m.yse@c.nosp@m.ern..nosp@m.ch

Andre.nosp@m.as.S.nosp@m.alzbu.nosp@m.rger.nosp@m.@cern.nosp@m..ch

Chris.nosp@m.tos..nosp@m.Anast.nosp@m.opou.nosp@m.los@c.nosp@m.ern..nosp@m.ch (Athena MT)

Definition at line 53 of file TRT_DriftCircleOnTrack.h.

Constructor & Destructor Documentation

TRT_DriftCircleOnTrack() [1/4]

InDet::TRT_DriftCircleOnTrack::TRT_DriftCircleOnTrack

(

)

Default constructor - needed for POOL.

Definition at line 92 of file TRT_DriftCircleOnTrack.cxx.

    :
  Trk::RIO_OnTrack(),
  m_globalPosition{},
  m_localAngle(std::numeric_limits<float>::quiet_NaN()),
  m_positionAlongWire(std::numeric_limits<float>::quiet_NaN()),
  m_rio(),
  m_idDE(),
  m_status(Trk::UNDECIDED),
  m_highLevel(false),
  m_timeOverThreshold(0.),
  m_detEl(nullptr)
{}

TRT_DriftCircleOnTrack() [2/4]

InDet::TRT_DriftCircleOnTrack::TRT_DriftCircleOnTrack ( const TRT_DriftCircleOnTrack & )

default

Copy constructor.

TRT_DriftCircleOnTrack() [3/4]

InDet::TRT_DriftCircleOnTrack::TRT_DriftCircleOnTrack	(	const InDet::TRT_DriftCircle *	RIO,
		Trk::LocalParameters &&	driftRadius,
		Amg::MatrixX &&	errDriftRadius,
		const IdentifierHash &	idDE,
		double	predictedLocZ,
		const Amg::Vector3D &	predictedTrackDirection,
		const Trk::DriftCircleStatus	status )

Constructor with parameters and without externalPrediction.

Definition at line 25 of file TRT_DriftCircleOnTrack.cxx.

  : Trk::RIO_OnTrack(std::move(driftRadius), std::move(errDriftRadius), RIO->identify())
  , m_globalPosition{}
  , m_positionAlongWire(predictedLocZ)
  , m_idDE(idDE)
  , m_status(status)
  , m_highLevel(RIO->highLevel())
  , m_timeOverThreshold(RIO->timeOverThreshold())
  , m_detEl(RIO->detectorElement())
{
 
  m_rio.setElement(RIO);
  const Trk::Surface& detElSurf = m_detEl->surface(RIO->identify());
  if (detElSurf.type() == Trk::SurfaceType::Line) {
    const Trk::StraightLineSurface& slsf =
        static_cast<const Trk::StraightLineSurface&>(detElSurf);
    m_globalPosition =
        slsf.localToGlobal(m_localParams, predictedTrackDirection, predictedLocZ);
  }
  Amg::Vector3D loc_gDirection = predictedTrackDirection;
  const double dr = m_localParams[Trk::driftRadius];
 
  // scaling the direction with drift radius
  if (dr != 0.) {
    m_localAngle = std::atan2(loc_gDirection.y(), loc_gDirection.x());
  } else {
    m_localAngle = 0.;
  }
}

TRT_DriftCircleOnTrack() [4/4]

InDet::TRT_DriftCircleOnTrack::TRT_DriftCircleOnTrack	(	const ElementLinkToIDCTRT_DriftCircleContainer &	RIO,
		const Trk::LocalParameters &	driftRadius,
		const Amg::MatrixX &	errDriftRadius,
		IdentifierHash	idDE,
		const Identifier &	id,
		double	predictedLocZ,
		float	localAngle,
		const Trk::DriftCircleStatus	status,
		bool	highLevel,
		double	timeOverThreshold )

Constructor used by the TP converters.

Definition at line 64 of file TRT_DriftCircleOnTrack.cxx.

  : Trk::RIO_OnTrack(Trk::LocalParameters(driftRadius), Amg::MatrixX(errDriftRadius), id)
  , m_globalPosition{}
  , m_localAngle(localAngle)
  , m_positionAlongWire(predictedLocZ)
  , m_rio(RIO)
  , m_idDE(idDE)
  , m_status(status)
  , m_highLevel(highLevel)
  , m_timeOverThreshold(timeOverThreshold)
  , m_detEl(nullptr)
{}

~TRT_DriftCircleOnTrack()

InDet::TRT_DriftCircleOnTrack::~TRT_DriftCircleOnTrack ( )

virtualdefault

Destructor.

Member Function Documentation

associatedSurface()

const Trk::Surface & InDet::TRT_DriftCircleOnTrack::associatedSurface ( ) const

finaloverridevirtual

returns the surface for the local to global transformation

• fullfills Trk::MeasurementBase interface

Implements Trk::RIO_OnTrack.

Definition at line 154 of file TRT_DriftCircleOnTrack.cxx.

{
    assert(0!=m_detEl);
    return (m_detEl->surface(identify()));
}

clone()

TRT_DriftCircleOnTrack * InDet::TRT_DriftCircleOnTrack::clone ( ) const

inlinefinaloverridevirtual

allows copying without losing the type information.

Used in Trk::Track

Implements Trk::RIO_OnTrack.

Definition at line 196 of file TRT_DriftCircleOnTrack.h.

  {
    return new TRT_DriftCircleOnTrack(*this);
  }

detectorElement()

const InDetDD::TRT_BaseElement * InDet::TRT_DriftCircleOnTrack::detectorElement ( ) const

inlinefinaloverridevirtual

returns the detector element, assoicated with the PRD of this class

• fullfills Trk::RIO_OnTrack interface

Implements Trk::RIO_OnTrack.

Definition at line 224 of file TRT_DriftCircleOnTrack.h.

  {
    return m_detEl;
  }

dump() [1/2]

MsgStream & InDet::TRT_DriftCircleOnTrack::dump ( MsgStream & out ) const

finaloverridevirtual

returns some information about this RIO_OnTrack.

Reimplemented from Trk::RIO_OnTrack.

Definition at line 211 of file TRT_DriftCircleOnTrack.cxx.

{
    Trk::RIO_OnTrack::dump(sl);
    std::string name("TRT_DriftCircleOnTrack: ");
    sl <<name<< "\t  identifier  = "<< identify()<<endmsg;
        sl <<name<< "\t  time-over-threshold = " << timeOverThreshold()
           << (highLevel() ? " with TR flag ON":" with TR flag OFF") << endmsg;
    sl <<name<< "\t  driftradius = ("
         << (localParameters())[Trk::loc1] << ") " <<endmsg;
    sl <<name<< "\t  has Error Matrix: "<<endmsg;
    sl<<localCovariance()<<endmsg;
    return sl;
}

dump() [2/2]

std::ostream & InDet::TRT_DriftCircleOnTrack::dump ( std::ostream & out ) const

finaloverridevirtual

returns some information about this RIO_OnTrack.

Reimplemented from Trk::RIO_OnTrack.

Definition at line 225 of file TRT_DriftCircleOnTrack.cxx.

{
    sl << "TRT_DriftCircleOnTrack {"<<std::endl;
 
    Trk::RIO_OnTrack::dump(sl);
 
    sl << "Global position (x,y,z) = (";
    this->globalPosition();
    sl  <<this->globalPosition().x()<<", "
      <<this->globalPosition().y()<<", "
      <<this->globalPosition().z()<<")"<<std::endl;
 
    sl << "\t  time-over-threshold = " << timeOverThreshold()
        << (highLevel() ? " with TR flag ON":" with TR flag OFF")<<std::endl;
    sl<<"}"<<std::endl;
 
    return sl;
}

globalPosition()

const Amg::Vector3D & InDet::TRT_DriftCircleOnTrack::globalPosition ( ) const

finaloverridevirtual

return the global position of this RIO_OnTrack

Todo

convention about z coordinate

• fullfills Trk::MeasurementBase interface

Implements Trk::RIO_OnTrack.

Definition at line 160 of file TRT_DriftCircleOnTrack.cxx.

                                                                     {
 
  return m_globalPosition;
}

highLevel()

bool InDet::TRT_DriftCircleOnTrack::highLevel ( ) const

inline

returns true if the high level threshold was passed

• extends Trk::RIO_OnTrack interface

Definition at line 234 of file TRT_DriftCircleOnTrack.h.

  {
    return m_highLevel;
  }

idDE()

IdentifierHash InDet::TRT_DriftCircleOnTrack::idDE ( ) const

inlinefinaloverridevirtual

returns the DE hashID

• fullfills Trk::RIO_OnTrack interface

Implements Trk::RIO_OnTrack.

Definition at line 219 of file TRT_DriftCircleOnTrack.h.

  {
    return m_idDE;
  }

identify()

Identifier Trk::RIO_OnTrack::identify ( ) const

inlineinherited

return the identifier -extends MeasurementBase

Definition at line 152 of file RIO_OnTrack.h.

  { return m_identifier; }

localAngle()

float InDet::TRT_DriftCircleOnTrack::localAngle ( ) const

inline

Definition at line 244 of file TRT_DriftCircleOnTrack.h.

  {
    return m_localAngle;
  }

localCovariance()

const Amg::MatrixX & Trk::MeasurementBase::localCovariance ( ) const

inlineinherited

Interface method to get the localError.

Definition at line 138 of file MeasurementBase.h.

{
  return m_localCovariance;
}

localParameters()

const Trk::LocalParameters & Trk::MeasurementBase::localParameters ( ) const

inlineinherited

Interface method to get the LocalParameters.

Definition at line 132 of file MeasurementBase.h.

{
  return m_localParams;
}

numberOfInstantiations()

std::size_t Trk::ObjectCounter< Trk::RIO_OnTrack >::numberOfInstantiations ( )

inlinestaticinherited

Definition at line 25 of file TrkObjectCounter.h.

  {
#ifndef NDEBUG
    return s_numberOfInstantiations.load();
#endif
    return 0;
  }

operator=() [1/2]

InDet::TRT_DriftCircleOnTrack & InDet::TRT_DriftCircleOnTrack::operator=

(

const TRT_DriftCircleOnTrack &

rot

)

Assignment operator.

Definition at line 112 of file TRT_DriftCircleOnTrack.cxx.

{
  if ( &rot != this) {
    Trk::RIO_OnTrack::operator= (rot);
    m_globalPosition = rot.m_globalPosition;
    m_rio                   = rot.m_rio;
    m_localAngle            = rot.m_localAngle;
    m_positionAlongWire     = rot.m_positionAlongWire;
    m_idDE                  = rot.m_idDE;
    m_status                = rot.m_status;
    m_highLevel             = rot.m_highLevel;
    m_timeOverThreshold     = rot.m_timeOverThreshold;
    m_detEl                 = rot.m_detEl;
   }
  return *this;
}

operator=() [2/2]

InDet::TRT_DriftCircleOnTrack & InDet::TRT_DriftCircleOnTrack::operator= ( InDet::TRT_DriftCircleOnTrack && rot )

noexcept

Move assignment operator.

Definition at line 130 of file TRT_DriftCircleOnTrack.cxx.

          {
  if ( &rot != this) {
    Trk::RIO_OnTrack::operator= (rot);
    m_globalPosition        = std::move(rot.m_globalPosition);
    m_rio                   = rot.m_rio;
    m_localAngle            = rot.m_localAngle;
    m_positionAlongWire     = rot.m_positionAlongWire;
    m_idDE                  = rot.m_idDE;
    m_status                = rot.m_status;
    m_highLevel             = rot.m_highLevel;
    m_timeOverThreshold     = rot.m_timeOverThreshold;
    m_detEl                 = rot.m_detEl;
   }
  return *this;
}

positionAlongWire()

float InDet::TRT_DriftCircleOnTrack::positionAlongWire ( ) const

inline

Definition at line 249 of file TRT_DriftCircleOnTrack.h.

  {
    return m_positionAlongWire;
  }

prepRawData()

const TRT_DriftCircle * InDet::TRT_DriftCircleOnTrack::prepRawData ( ) const

inlinefinaloverridevirtual

returns the PrepRawData - is a TRT_DriftCircle in this scope

• fullfills Trk::RIO_OnTrack interface

Implements Trk::RIO_OnTrack.

Definition at line 202 of file TRT_DriftCircleOnTrack.h.

  {
    // ask first if it is valid ...
    // otherwise it always returns nullptr ...
    if (m_rio.isValid()) {
      return m_rio.cachedElement();
    }
    return nullptr;
    }

prepRawDataLink()

const ElementLinkToIDCTRT_DriftCircleContainer & InDet::TRT_DriftCircleOnTrack::prepRawDataLink ( ) const

inline

Definition at line 214 of file TRT_DriftCircleOnTrack.h.

  {
    return m_rio;
  }

rioType()

virtual bool InDet::TRT_DriftCircleOnTrack::rioType ( Trk::RIO_OnTrackType::Type type ) const

inlinefinaloverridevirtual

Method checking the Rio On Track type.

Implements Trk::RIO_OnTrack.

Definition at line 104 of file TRT_DriftCircleOnTrack.h.

      {
        return (type==Trk::RIO_OnTrackType::TRT_DriftCircle);
      }

setGlobalPositionHelper()

void InDet::TRT_DriftCircleOnTrack::setGlobalPositionHelper ( )

private

@calculate and set the global coord of this hit.

The detector element surface is used. Can be used from the convertor after setValues if the element is constructed without a detEl

Definition at line 168 of file TRT_DriftCircleOnTrack.cxx.

{
 
  //default
  Amg::Vector3D loc3Dframe(0., 0., m_positionAlongWire);
  if (side() != Trk::NONE) {
    // get global position where track and drift radius intersect.
    double Sf, Cf;
    sincos(m_localAngle, &Sf, &Cf);
    double x = localParameters()[Trk::driftRadius] * Sf;
    double y = localParameters()[Trk::driftRadius] * Cf;
    /*
    double x = localParameters()[Trk::driftRadius]*std::sin(m_localAngle);
    double y = localParameters()[Trk::driftRadius]*std::cos(m_localAngle);
    */
    // get local position
    loc3Dframe = Amg::Vector3D(x, y, m_positionAlongWire);
  }
 
  //We need a surface for the global position
  const Trk::StraightLineSurface* slsf =
    dynamic_cast<const Trk::StraightLineSurface*>(&(associatedSurface()));
  if (slsf) {
    m_globalPosition = Amg::Vector3D(slsf->transform() * loc3Dframe);
  } else {
    throw GaudiException("Dynamic_cast to StraightLineSurface failed!",
                         "TRT_DriftCircleOnTrack::setGlobalPosition()",
                         StatusCode::FAILURE);
  }
}

setValues()

void InDet::TRT_DriftCircleOnTrack::setValues ( const Trk::TrkDetElementBase * detEl, const Trk::PrepRawData * prd )

finaloverrideprivatevirtual

ONLY for use in custom convertor Allows the custom convertor to reset values when persistying/reading back RoTs.

Implements Trk::RIO_OnTrack.

Definition at line 201 of file TRT_DriftCircleOnTrack.cxx.

{
    m_detEl = dynamic_cast<const InDetDD::TRT_BaseElement* >(detEl);
    // If we have a m_detEL we can set the global position
    if (m_detEl) {
      setGlobalPositionHelper();
    }
}

side()

Trk::DriftCircleSide InDet::TRT_DriftCircleOnTrack::side

(

)

const

returns the side on which the drift radius is.

(for more information see the definition of TrkEventPrimitives/DriftCirlceSide)

• extends Trk::RIO_OnTrack interface

Definition at line 147 of file TRT_DriftCircleOnTrack.cxx.

                                                          {
  if (m_status == Trk::UNDECIDED) return Trk::NONE;
  if (localParameters()[Trk::driftRadius] < 0. ) return Trk::LEFT;
  return Trk::RIGHT;
}

status()

Trk::DriftCircleStatus InDet::TRT_DriftCircleOnTrack::status ( ) const

inline

returns the status of the drift radius calibration.

(for more information see the definition of TrkEventPrimitives/DriftCirlceStatus)

• extends Trk::RIO_OnTrack interface

Definition at line 229 of file TRT_DriftCircleOnTrack.h.

  {
    return m_status;
  }

timeOverThreshold()

double InDet::TRT_DriftCircleOnTrack::timeOverThreshold ( ) const

inline

returns time over threshold in ns for valid digits; zero otherwise

• extends Trk::RIO_OnTrack interface

Definition at line 239 of file TRT_DriftCircleOnTrack.h.

  {
    return m_timeOverThreshold;
  }

type()

virtual bool Trk::RIO_OnTrack::type ( MeasurementBaseType::Type type ) const

inlinefinaloverridevirtualinherited

Extended method checking the type.

Implements Trk::MeasurementBase.

Definition at line 110 of file RIO_OnTrack.h.

      {
        return (type == MeasurementBaseType::RIO_OnTrack);
      }

uniqueClone()

std::unique_ptr< RIO_OnTrack > Trk::RIO_OnTrack::uniqueClone ( ) const

inlineinherited

NVI clone returning unique_ptr.

Definition at line 97 of file RIO_OnTrack.h.

                                                    {
       return std::unique_ptr<RIO_OnTrack>(clone());
      };

Friends And Related Symbol Documentation

Trk::ITrkEventCnvTool

friend class Trk::ITrkEventCnvTool

friend

Definition at line 56 of file TRT_DriftCircleOnTrack.h.

Member Data Documentation

m_detEl

const InDetDD::TRT_BaseElement* InDet::TRT_DriftCircleOnTrack::m_detEl

private

corresponding detector element

Definition at line 191 of file TRT_DriftCircleOnTrack.h.

m_globalPosition

Amg::Vector3D InDet::TRT_DriftCircleOnTrack::m_globalPosition

private

global position to be cached

Definition at line 167 of file TRT_DriftCircleOnTrack.h.

m_highLevel

bool InDet::TRT_DriftCircleOnTrack::m_highLevel

private

the high level flag

Definition at line 185 of file TRT_DriftCircleOnTrack.h.

m_idDE

IdentifierHash InDet::TRT_DriftCircleOnTrack::m_idDE

private

the IdentifierHash - probably not used

Definition at line 178 of file TRT_DriftCircleOnTrack.h.

m_identifier

Identifier Trk::RIO_OnTrack::m_identifier {}

protectedinherited

Identifier of the RIO_OnTrack (comes from the associated Trk::PrepRawData)

Definition at line 149 of file RIO_OnTrack.h.

{};

m_localAngle

float InDet::TRT_DriftCircleOnTrack::m_localAngle

private

local angle to be written out

Definition at line 170 of file TRT_DriftCircleOnTrack.h.

m_localCovariance

Amg::MatrixX Trk::MeasurementBase::m_localCovariance

protectedinherited

Definition at line 112 of file MeasurementBase.h.

m_localParams

LocalParameters Trk::MeasurementBase::m_localParams

protectedinherited

Definition at line 111 of file MeasurementBase.h.

m_positionAlongWire

float InDet::TRT_DriftCircleOnTrack::m_positionAlongWire

private

local position along wire to be written out

Definition at line 173 of file TRT_DriftCircleOnTrack.h.

m_rio

ElementLinkToIDCTRT_DriftCircleContainer InDet::TRT_DriftCircleOnTrack::m_rio

private

Definition at line 175 of file TRT_DriftCircleOnTrack.h.

m_status

Trk::DriftCircleStatus InDet::TRT_DriftCircleOnTrack::m_status

private

the information how the (possibly signed) drift radius should be understood

Definition at line 182 of file TRT_DriftCircleOnTrack.h.

m_timeOverThreshold

double InDet::TRT_DriftCircleOnTrack::m_timeOverThreshold

private

the time over threshold in nsec

Definition at line 188 of file TRT_DriftCircleOnTrack.h.

s_numberOfInstantiations

std::atomic_size_t Trk::ObjectCounter< Trk::RIO_OnTrack >::s_numberOfInstantiations

inlinestaticinherited

Definition at line 22 of file TrkObjectCounter.h.

---

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

• TRT_DriftCircleOnTrack.h
• TRT_DriftCircleOnTrack.cxx