xAOD::CombinedMuonStrip_v1 Class Reference

The Acts fitters running on the Uncalibrated measurements are uncapable of producing two track states on the same surface or alternatively, the propagation onto two surfaces at the same position is numerically challenging due to the zeroish step length. More...

#include <CombinedMuonStrip_v1.h>

Inheritance diagram for xAOD::CombinedMuonStrip_v1:

Collaboration diagram for xAOD::CombinedMuonStrip_v1:

Public Member Functions
	CombinedMuonStrip_v1 ()=default
	Empty constructor.
virtual	~CombinedMuonStrip_v1 ()=default
	virtual destructor
virtual xAOD::UncalibMeasType	type () const override final
	Returns the type of the measurement type as a simple enumeration.
unsigned	numDimensions () const override
	Specify the number of dimensions as zero -> handle in the calibrator.
const xAOD::MuonMeasurement *	primaryStrip () const
	Returns the primary associated measurement.
void	setPrimaryStrip (const xAOD::MuonMeasurement *meas)
	Links a prd measurement as primary meaurement.
const xAOD::MuonMeasurement *	secondaryStrip () const
	Returns the secondary associated measurement.
void	setSecondaryStrip (const xAOD::MuonMeasurement *meas)
	Linkt a prd measurement as secondary measurement.
const MuonGMR4::MuonReadoutElement *	readoutElement () const override final
	Returns the associated readout element.
virtual std::uint8_t	measuresPhi () const override final
	Returns whether the phi coordinate is measured.
virtual IdentifierHash	measurementHash () const override final
	Returns the hash of the measurement channel.
virtual IdentifierHash	layerHash () const override final
	Returns the hash of the associated layer (Needed for surface retrieval).
Amg::Vector3D	localMeasurementPos () const override final
	Returns the local measurement position in the layer frame.
const Identifier &	identify () const
	Returns the Athena identifier of the measurement.
Functions to get measurement properties
DetectorIDHashType	identifierHash () const
	Returns the IdentifierHash of the measurement (corresponds to the detector element IdentifierHash).
DetectorIdentType	identifier () const
	Returns the full Identifier of the measurement.
template<int N>
ConstVectorMap< N >	localPosition () const
	Returns the local position of the measurement.
template<int N>
VectorMap< N >	localPosition ()
	Returns the local position as mutable eigen map which can be assigned as well.
template<int N>
ConstMatrixMap< N >	localCovariance () const
	Returns the local covariance of the measurement.
template<int N>
MatrixMap< N >	localCovariance ()
	Returns the local covariance as mutable eigen map which can be assigned as well.
Functions to set measurement properties
void	setIdentifierHash (const DetectorIDHashType idHash)
	Sets the IdentifierHash of the measurement (corresponds to the detector element IdentifierHash).
void	setIdentifier (const DetectorIdentType measId)
	Sets the full Identifier of the measurement.
Direct method to set measurement properties
template<int N>
void	setMeasurement (const DetectorIDHashType idHash, MeasVector< N > locPos, MeasMatrix< N > locCov)
	Sets IdentifierHash, local position and local covariance of the measurement.

Protected Attributes
CxxUtils::CachedValue< const MuonGMR4::MuonReadoutElement * >	m_readoutEle {}
	Cache value of the.

Private Attributes
CxxUtils::CachedValue< Identifier >	m_identifier {}

Detailed Description

The Acts fitters running on the Uncalibrated measurements are uncapable of producing two track states on the same surface or alternatively, the propagation onto two surfaces at the same position is numerically challenging due to the zeroish step length.

Therefore, the R4 geometry only produces one set of surfaces where local x is oriented with the eta measurement's direction. The CombinedMuonStrip provides a mechanism to pipe the two eta & phi measurements in the same gas gap through the fitting infrastructre. By convention, the combined Muon strip returns the same measurement type as the prds that they're carrying but the dimension is always zero providing a handle to properly distinguish them in the SpacePointCalibrator without the useage of dynamic_casts

Definition at line 19 of file CombinedMuonStrip_v1.h.

Constructor & Destructor Documentation

CombinedMuonStrip_v1()

xAOD::CombinedMuonStrip_v1::CombinedMuonStrip_v1 ( )

default

Empty constructor.

~CombinedMuonStrip_v1()

virtual xAOD::CombinedMuonStrip_v1::~CombinedMuonStrip_v1 ( )

virtualdefault

virtual destructor

Member Function Documentation

identifier()

DetectorIdentType xAOD::UncalibratedMeasurement_v1::identifier ( ) const

inherited

Returns the full Identifier of the measurement.

identifierHash()

DetectorIDHashType xAOD::UncalibratedMeasurement_v1::identifierHash ( ) const

inherited

Returns the IdentifierHash of the measurement (corresponds to the detector element IdentifierHash).

identify()

const Identifier & xAOD::MuonMeasurement_v1::identify ( ) const

inherited

Returns the Athena identifier of the measurement.

Definition at line 15 of file MuonMeasurement_v1.cxx.

                                                         {
        if (!m_identifier.isValid()){
            m_identifier.set(readoutElement()->measurementId(measurementHash()));
        }
        return (*m_identifier.ptr());
    }

layerHash()

IdentifierHash xAOD::CombinedMuonStrip_v1::layerHash ( ) const

finaloverridevirtual

Returns the hash of the associated layer (Needed for surface retrieval).

Implements xAOD::MuonMeasurement_v1.

Definition at line 63 of file CombinedMuonStrip_v1.cxx.

                                                         {
        const  xAOD::MuonMeasurement*  strip =  primaryStrip();
        return strip ? strip->layerHash() : IdentifierHash{}; 
    }

localCovariance() [1/2]

template<int N>

MatrixMap< N > xAOD::UncalibratedMeasurement_v1::localCovariance ( )

inherited

Returns the local covariance as mutable eigen map which can be assigned as well.

localCovariance() [2/2]

template<int N>

ConstMatrixMap< N > xAOD::UncalibratedMeasurement_v1::localCovariance ( ) const

inherited

Returns the local covariance of the measurement.

localMeasurementPos()

Amg::Vector3D xAOD::CombinedMuonStrip_v1::localMeasurementPos ( ) const

finaloverridevirtual

Returns the local measurement position in the layer frame.

Implements xAOD::MuonMeasurement_v1.

Definition at line 67 of file CombinedMuonStrip_v1.cxx.

                                                                  {
            Amg::Vector3D pos{Amg::Vector3D::Zero()};
            pos.block<2,1>(0,0) = xAOD::toEigen(localPosition<2>());
            return pos;
      }

localPosition() [1/2]

template<int N>

VectorMap< N > xAOD::UncalibratedMeasurement_v1::localPosition ( )

inherited

Returns the local position as mutable eigen map which can be assigned as well.

localPosition() [2/2]

template<int N>

ConstVectorMap< N > xAOD::UncalibratedMeasurement_v1::localPosition ( ) const

inherited

Returns the local position of the measurement.

measurementHash()

IdentifierHash xAOD::CombinedMuonStrip_v1::measurementHash ( ) const

finaloverridevirtual

Returns the hash of the measurement channel.

Implements xAOD::MuonMeasurement_v1.

Definition at line 59 of file CombinedMuonStrip_v1.cxx.

                                                               {
        const  xAOD::MuonMeasurement*  strip =  primaryStrip();
        return strip ? strip->measurementHash() : IdentifierHash{};
    }

measuresPhi()

std::uint8_t xAOD::CombinedMuonStrip_v1::measuresPhi ( ) const

finaloverridevirtual

Returns whether the phi coordinate is measured.

Implements xAOD::MuonMeasurement_v1.

Definition at line 56 of file CombinedMuonStrip_v1.cxx.

                                                       {
        return 1;
    }

numDimensions()

unsigned xAOD::CombinedMuonStrip_v1::numDimensions ( ) const

inlineoverridevirtual

Specify the number of dimensions as zero -> handle in the calibrator.

Implements xAOD::UncalibratedMeasurement_v1.

Definition at line 28 of file CombinedMuonStrip_v1.h.

{ return 0; } 

primaryStrip()

const xAOD::MuonMeasurement * xAOD::CombinedMuonStrip_v1::primaryStrip

(

)

const

Returns the primary associated measurement.

Definition at line 27 of file CombinedMuonStrip_v1.cxx.

                                                                        {
        if (acc_primLink.isAvailable(*this) && acc_primLink(*this).isValid()) {
              return *acc_primLink(*this);
        }
        return nullptr;
    }

readoutElement()

const MuonGMR4::MuonReadoutElement * xAOD::CombinedMuonStrip_v1::readoutElement ( ) const

finaloverridevirtual

Returns the associated readout element.

Implements xAOD::MuonMeasurement_v1.

Definition at line 52 of file CombinedMuonStrip_v1.cxx.

                                                                                 {
        const  xAOD::MuonMeasurement*  strip =  primaryStrip();
        return strip ? strip->readoutElement() : nullptr;
    }

secondaryStrip()

const xAOD::MuonMeasurement * xAOD::CombinedMuonStrip_v1::secondaryStrip

(

)

const

Returns the secondary associated measurement.

Definition at line 33 of file CombinedMuonStrip_v1.cxx.

                                                                           {
 
        if (acc_secondLink.isAvailable(*this) && acc_secondLink(*this).isValid()) {
              return *acc_secondLink(*this);
        }
        return nullptr;
    }

setIdentifier()

void xAOD::UncalibratedMeasurement_v1::setIdentifier ( const DetectorIdentType measId )

inherited

Sets the full Identifier of the measurement.

setIdentifierHash()

void xAOD::UncalibratedMeasurement_v1::setIdentifierHash ( const DetectorIDHashType idHash )

inherited

Sets the IdentifierHash of the measurement (corresponds to the detector element IdentifierHash).

setMeasurement()

template<int N>

void xAOD::UncalibratedMeasurement_v1::setMeasurement ( const DetectorIDHashType idHash, MeasVector< N > locPos, MeasMatrix< N > locCov )

inherited

Sets IdentifierHash, local position and local covariance of the measurement.

setPrimaryStrip()

void xAOD::CombinedMuonStrip_v1::setPrimaryStrip

(

const xAOD::MuonMeasurement *

meas

)

Links a prd measurement as primary meaurement.

Definition at line 41 of file CombinedMuonStrip_v1.cxx.

                                                                              {
        assert(meas != nullptr);
        const auto* cont = static_cast<const xAOD::MuonMeasurementContainer*>(meas->container());
        acc_primLink(*this) = Link_t{*cont, meas->index()};
    }

setSecondaryStrip()

void xAOD::CombinedMuonStrip_v1::setSecondaryStrip

(

const xAOD::MuonMeasurement *

meas

)

Linkt a prd measurement as secondary measurement.

Definition at line 46 of file CombinedMuonStrip_v1.cxx.

                                                                               {
        assert(meas != nullptr);
        const auto* cont = static_cast<const xAOD::MuonMeasurementContainer*>(meas->container());
        acc_secondLink(*this) = Link_t{*cont, meas->index()};
    }

type()

xAOD::UncalibMeasType xAOD::CombinedMuonStrip_v1::type ( ) const

finaloverridevirtual

Returns the type of the measurement type as a simple enumeration.

Implements xAOD::UncalibratedMeasurement_v1.

Definition at line 18 of file CombinedMuonStrip_v1.cxx.

                                                         {
        if (const auto* prim = primaryStrip(); prim != nullptr) {
            return prim->type();
        }
        if (const auto* second = secondaryStrip() ; second != nullptr) {
            return second->type();
        }
        return xAOD::UncalibMeasType::nTypes;
    }

Member Data Documentation

m_identifier

CxxUtils::CachedValue<Identifier> xAOD::MuonMeasurement_v1::m_identifier {}

privateinherited

Definition at line 48 of file MuonMeasurement_v1.h.

{};

m_readoutEle

CxxUtils::CachedValue<const MuonGMR4::MuonReadoutElement*> xAOD::MuonMeasurement_v1::m_readoutEle {}

protectedinherited

Cache value of the.

Definition at line 46 of file MuonMeasurement_v1.h.

{};

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

• CombinedMuonStrip_v1.h
• CombinedMuonStrip_v1.cxx