#include <GEMSegment.h>

Inheritance diagram for GEMSegment:

Public Member Functions
float	bunchX () const

double	chi2 () const override
	Chi2 of the segment fit. More...

GEMSegment *	clone () const override

int	degreesOfFreedom () const override
	Degrees of freedom of the segment fit. More...

float	deltaPhi () const

int	dimension () const override
	Dimension (in parameter space) More...

GEMDetId	gemDetId () const

	GEMSegment ()
	Default constructor. More...

	GEMSegment (const std::vector< const GEMRecHit * > &proto_segment, const LocalPoint &origin, const LocalVector &direction, const AlgebraicSymMatrix &errors, double chi2)
	Constructor. More...

	GEMSegment (const std::vector< const GEMRecHit * > &proto_segment, const LocalPoint &origin, const LocalVector &direction, const AlgebraicSymMatrix &errors, double chi2, float bx)

	GEMSegment (const std::vector< const GEMRecHit * > &proto_segment, const LocalPoint &origin, const LocalVector &direction, const AlgebraicSymMatrix &errors, double chi2, float bx, float deltaPhi)

LocalVector	localDirection () const override
	Local direction. More...

LocalError	localDirectionError () const override
	Error on the local direction. More...

LocalPoint	localPosition () const override

LocalError	localPositionError () const override

int	nRecHits () const

AlgebraicVector	parameters () const override
	Parameters of the segment, for the track fit in the order (dx/dz, dy/dz, x, y ) More...

AlgebraicSymMatrix	parametersError () const override
	Covariance matrix of parameters() More...

void	print () const

AlgebraicMatrix	projectionMatrix () const override
	The projection matrix relates the trajectory state parameters to the segment parameters(). More...

std::vector< const TrackingRecHit * >	recHits () const override
	Access to component RecHits (if any) More...

std::vector< TrackingRecHit * >	recHits () override
	Non-const access to component RecHits (if any) More...

const std::vector< GEMRecHit > &	specificRecHits () const

	~GEMSegment () override
	Destructor. More...

Public Member Functions inherited from RecSegment
	RecSegment (DetId id)

	RecSegment (TrackingRecHit::id_type id=0)

	~RecSegment () override
	Destructor. More...

Public Member Functions inherited from TrackingRecHit
virtual bool	canImproveWithTrack () const

RecHitPointer	cloneForFit (const GeomDet &idet) const

virtual TrackingRecHit *	cloneHit () const

virtual RecHitPointer	cloneSH () const

const GeomDet *	det () const

virtual const GeomDetUnit *	detUnit () const

virtual float	errorGlobalR () const

virtual float	errorGlobalRPhi () const

virtual float	errorGlobalZ () const

DetId	geographicalId () const

virtual void	getKfComponents (KfComponentsHolder &holder) const

unsigned int	getRTTI () const

Type	getType () const

virtual GlobalPoint	globalPosition () const

virtual GlobalError	globalPositionError () const

virtual bool	hasPositionAndError () const
	to be redefined by daughter class More...

virtual TrackingRecHit const *	hit () const

bool	isValid () const

id_type	rawId () const

virtual void	recHitsV (std::vector< const TrackingRecHit * > &) const

virtual void	recHitsV (std::vector< TrackingRecHit * > &)

virtual void	setDet (const GeomDet &idet)

virtual bool	sharesInput (const TrackingRecHit *other, SharedInputType what) const

virtual const Surface *	surface () const

	TrackingRecHit (const GeomDet &idet, TrackingRecHit const &rh)

	TrackingRecHit (const GeomDet &idet, Type type=valid)

	TrackingRecHit (const GeomDet &idet, unsigned int rt, Type type=valid)

	TrackingRecHit (DetId id, Type type=valid)

	TrackingRecHit (DetId id, unsigned int rt, Type type=valid)

	TrackingRecHit (id_type id=0, Type type=valid)

virtual ConstRecHitContainer	transientHits () const

Type	type () const

virtual float	weight () const

virtual	~TrackingRecHit ()

Private Attributes
float	theBX

double	theChi2

AlgebraicSymMatrix	theCovMatrix

float	theDeltaPhi

std::vector< GEMRecHit >	theGEMRecHits

LocalVector	theLocalDirection

LocalPoint	theOrigin

Additional Inherited Members
Public Types inherited from TrackingRecHit
typedef std::vector< ConstRecHitPointer >	ConstRecHitContainer

using	ConstRecHitPointer = std::shared_ptr< TrackingRecHit const >

typedef unsigned int	id_type

typedef std::vector< ConstRecHitPointer >	RecHitContainer

using	RecHitPointer = std::shared_ptr< TrackingRecHit const >

enum	SharedInputType { all, some }
	definition of equality via shared input More...

enum	Type { valid = 0, missing = 1, inactive = 2, bad = 3, missing_inner = 4, missing_outer = 5, inactive_inner = 6, inactive_outer = 7 }

Static Public Attributes inherited from TrackingRecHit
static const int	rttiShift = 24

static const int	typeMask = 0xf

Protected Member Functions inherited from TrackingRecHit
void	setId (id_type iid)

void	setRTTI (unsigned int rt)

void	setType (Type ttype)

Detailed Description

the CSC segment Describes a reconstructed track segment in the 2+ layers of a GEM chamber. This is 4-dimensional since it has an origin (x,y) and a direction (x,y) in the local coordinate system of the chamber.

Author: Piet Verwilligen

Definition at line 19 of file GEMSegment.h.

Constructor & Destructor Documentation

◆ GEMSegment() [1/4]

GEMSegment::GEMSegment ( )

inline

Default constructor.

Definition at line 22 of file GEMSegment.h.

22 : theChi2(0.) {}

Referenced by clone().

◆ GEMSegment() [2/4]

GEMSegment::GEMSegment	(	const std::vector< const GEMRecHit * > &	proto_segment,
		const LocalPoint &	origin,
		const LocalVector &	direction,
		const AlgebraicSymMatrix &	errors,
		double	chi2
	)

Constructor.

Definition at line 29 of file GEMSegment.cc.

     : RecSegment(buildDetId(proto_segment.front()->gemId())),
       theOrigin(origin),
       theLocalDirection(direction),
       theCovMatrix(errors),
       theChi2(chi2) {
   theBX = -10.0;
   theDeltaPhi = -10.0;
   for (unsigned int i = 0; i < proto_segment.size(); ++i)
     theGEMRecHits.push_back(*proto_segment[i]);
 }

References mps_fire::i, theBX, theDeltaPhi, and theGEMRecHits.

◆ GEMSegment() [3/4]

GEMSegment::GEMSegment	(	const std::vector< const GEMRecHit * > &	proto_segment,
		const LocalPoint &	origin,
		const LocalVector &	direction,
		const AlgebraicSymMatrix &	errors,
		double	chi2,
		float	bx
	)

Definition at line 45 of file GEMSegment.cc.

     : RecSegment(buildDetId(proto_segment.front()->gemId())),
       theOrigin(origin),
       theLocalDirection(direction),
       theCovMatrix(errors),
       theChi2(chi2),
       theBX(bx) {
   theDeltaPhi = -10.0;
   for (unsigned int i = 0; i < proto_segment.size(); ++i)
     theGEMRecHits.push_back(*proto_segment[i]);
 }

References mps_fire::i, theDeltaPhi, and theGEMRecHits.

◆ GEMSegment() [4/4]

GEMSegment::GEMSegment	(	const std::vector< const GEMRecHit * > &	proto_segment,
		const LocalPoint &	origin,
		const LocalVector &	direction,
		const AlgebraicSymMatrix &	errors,
		double	chi2,
		float	bx,
		float	deltaPhi
	)

Definition at line 62 of file GEMSegment.cc.

     : RecSegment(buildDetId(proto_segment.front()->gemId())),
       theOrigin(origin),
       theLocalDirection(direction),
       theCovMatrix(errors),
       theChi2(chi2),
       theBX(bx),
       theDeltaPhi(deltaPhi) {
   for (unsigned int i = 0; i < proto_segment.size(); ++i)
     theGEMRecHits.push_back(*proto_segment[i]);
 }

References mps_fire::i, and theGEMRecHits.

◆ ~GEMSegment()

GEMSegment::~GEMSegment ( )

override

Destructor.

Definition at line 80 of file GEMSegment.cc.

80 {}

Member Function Documentation

◆ bunchX()

float GEMSegment::bunchX ( ) const

inline

Definition at line 85 of file GEMSegment.h.

85 { return theBX; }

References theBX.

Referenced by operator<<().

◆ chi2()

double GEMSegment::chi2 ( ) const

inlineoverridevirtual

Chi2 of the segment fit.

Implements RecSegment.

Definition at line 71 of file GEMSegment.h.

71 { return theChi2; };

References theChi2.

Referenced by operator<<().

◆ clone()

GEMSegment* GEMSegment::clone ( void ) const

inlineoverridevirtual

Implements TrackingRecHit.

Definition at line 50 of file GEMSegment.h.

50 { return new GEMSegment(*this); }

References GEMSegment().

◆ degreesOfFreedom()

int GEMSegment::degreesOfFreedom ( ) const

inlineoverridevirtual

Degrees of freedom of the segment fit.

Implements RecSegment.

Definition at line 75 of file GEMSegment.h.

75 { return 2 * nRecHits() - 4; }

References nRecHits().

Referenced by operator<<().

◆ deltaPhi()

float GEMSegment::deltaPhi ( ) const

inline

Definition at line 87 of file GEMSegment.h.

87 { return theDeltaPhi; }

References theDeltaPhi.

Referenced by operator<<().

◆ dimension()

int GEMSegment::dimension ( ) const

inlineoverridevirtual

Dimension (in parameter space)

Implements RecSegment.

Definition at line 73 of file GEMSegment.h.

73 { return 4; }

◆ gemDetId()

GEMDetId GEMSegment::gemDetId ( ) const

inline

Definition at line 83 of file GEMSegment.h.

83 { return geographicalId(); }

References TrackingRecHit::geographicalId().

Referenced by FWGEMSegmentProxyBuilder::buildViewType().

◆ localDirection()

LocalVector GEMSegment::localDirection ( ) const

inlineoverridevirtual

Local direction.

Implements RecSegment.

Definition at line 55 of file GEMSegment.h.

55 { return theLocalDirection; }

References theLocalDirection.

Referenced by FWGEMSegmentProxyBuilder::buildViewType(), and operator<<().

◆ localDirectionError()

LocalError GEMSegment::localDirectionError ( ) const

overridevirtual

Error on the local direction.

Implements RecSegment.

Definition at line 102 of file GEMSegment.cc.

                                                  {
   return LocalError(theCovMatrix[0][0], theCovMatrix[0][1], theCovMatrix[1][1]);
 }

References theCovMatrix.

Referenced by operator<<().

◆ localPosition()

LocalPoint GEMSegment::localPosition ( ) const

inlineoverridevirtual

Implements TrackingRecHit.

Definition at line 52 of file GEMSegment.h.

52 { return theOrigin; }

References theOrigin.

Referenced by FWGEMSegmentProxyBuilder::buildViewType(), and operator<<().

◆ localPositionError()

LocalError GEMSegment::localPositionError ( ) const

overridevirtual

Implements TrackingRecHit.

Definition at line 98 of file GEMSegment.cc.

                                                 {
   return LocalError(theCovMatrix[2][2], theCovMatrix[2][3], theCovMatrix[3][3]);
 }

References theCovMatrix.

Referenced by operator<<().

◆ nRecHits()

int GEMSegment::nRecHits ( ) const

inline

Definition at line 81 of file GEMSegment.h.

81 { return theGEMRecHits.size(); }

References theGEMRecHits.

Referenced by degreesOfFreedom().

◆ parameters()

AlgebraicVector GEMSegment::parameters ( void ) const

overridevirtual

Parameters of the segment, for the track fit in the order (dx/dz, dy/dz, x, y )

Implements TrackingRecHit.

Definition at line 106 of file GEMSegment.cc.

                                              {
   // For consistency with DT and CSC  and what we require for the TrackingRecHit interface,
   // the order of the parameters in the returned vector should be (dx/dz, dy/dz, x, z)
  
   AlgebraicVector result(4);
  
   if (theLocalDirection.z() != 0) {
     result[0] = theLocalDirection.x() / theLocalDirection.z();
     result[1] = theLocalDirection.y() / theLocalDirection.z();
   }
   result[2] = theOrigin.x();
   result[3] = theOrigin.y();
  
   return result;
 }

References mps_fire::result, theLocalDirection, theOrigin, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

◆ parametersError()

AlgebraicSymMatrix GEMSegment::parametersError ( ) const

inlineoverridevirtual

Covariance matrix of parameters()

Implements TrackingRecHit.

Definition at line 62 of file GEMSegment.h.

62 { return theCovMatrix; }

References theCovMatrix.

◆ print()

void GEMSegment::print ( void ) const

Definition at line 128 of file GEMSegment.cc.

128 { LogDebug("GEMSegment") << *this; }

References LogDebug.

◆ projectionMatrix()

AlgebraicMatrix GEMSegment::projectionMatrix ( ) const

overridevirtual

The projection matrix relates the trajectory state parameters to the segment parameters().

Implements TrackingRecHit.

Definition at line 122 of file GEMSegment.cc.

                                                    {
   static const ProjectionMatrixDiag theProjectionMatrix;
   return (theProjectionMatrix.getMatrix());
 }

References theProjectionMatrix.

◆ recHits() [1/2]

std::vector< const TrackingRecHit * > GEMSegment::recHits ( ) const

overridevirtual

Access to component RecHits (if any)

Implements TrackingRecHit.

Definition at line 82 of file GEMSegment.cc.

                                                            {
   std::vector<const TrackingRecHit*> pointersOfRecHits;
   for (std::vector<GEMRecHit>::const_iterator irh = theGEMRecHits.begin(); irh != theGEMRecHits.end(); ++irh) {
     pointersOfRecHits.push_back(&(*irh));
   }
   return pointersOfRecHits;
 }

References theGEMRecHits.

Referenced by MuonAssociatorByHitsHelper::getMatchedIds().

◆ recHits() [2/2]

std::vector< TrackingRecHit * > GEMSegment::recHits ( )

overridevirtual

Non-const access to component RecHits (if any)

Implements TrackingRecHit.

Definition at line 90 of file GEMSegment.cc.

                                                {
   std::vector<TrackingRecHit*> pointersOfRecHits;
   for (std::vector<GEMRecHit>::iterator irh = theGEMRecHits.begin(); irh != theGEMRecHits.end(); ++irh) {
     pointersOfRecHits.push_back(&(*irh));
   }
   return pointersOfRecHits;
 }

References theGEMRecHits.

◆ specificRecHits()

const std::vector<GEMRecHit>& GEMSegment::specificRecHits ( ) const

inline

Definition at line 79 of file GEMSegment.h.

79 { return theGEMRecHits; }

References theGEMRecHits.

Referenced by operator<<().

Member Data Documentation

◆ theBX

float GEMSegment::theBX

private

Definition at line 97 of file GEMSegment.h.

Referenced by bunchX(), and GEMSegment().

◆ theChi2

double GEMSegment::theChi2

private

Definition at line 96 of file GEMSegment.h.

Referenced by chi2().

◆ theCovMatrix

AlgebraicSymMatrix GEMSegment::theCovMatrix

private

Definition at line 95 of file GEMSegment.h.

Referenced by localDirectionError(), localPositionError(), and parametersError().

◆ theDeltaPhi

float GEMSegment::theDeltaPhi

private

Definition at line 98 of file GEMSegment.h.

Referenced by deltaPhi(), and GEMSegment().

◆ theGEMRecHits

std::vector<GEMRecHit> GEMSegment::theGEMRecHits

private

Definition at line 92 of file GEMSegment.h.

Referenced by GEMSegment(), nRecHits(), recHits(), and specificRecHits().

◆ theLocalDirection

LocalVector GEMSegment::theLocalDirection

private

Definition at line 94 of file GEMSegment.h.

Referenced by localDirection(), and parameters().

◆ theOrigin

LocalPoint GEMSegment::theOrigin

private

Definition at line 93 of file GEMSegment.h.

Referenced by localPosition(), and parameters().

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GEMSegment() [1/4]

◆ GEMSegment() [2/4]

◆ GEMSegment() [3/4]

◆ GEMSegment() [4/4]

◆ ~GEMSegment()

Member Function Documentation

◆ bunchX()

◆ chi2()

◆ clone()

◆ degreesOfFreedom()

◆ deltaPhi()

◆ dimension()

◆ gemDetId()

◆ localDirection()

◆ localDirectionError()

◆ localPosition()

◆ localPositionError()

◆ nRecHits()

◆ parameters()

◆ parametersError()

◆ print()

◆ projectionMatrix()

◆ recHits() [1/2]

◆ recHits() [2/2]

◆ specificRecHits()

Member Data Documentation

◆ theBX

◆ theChi2

◆ theCovMatrix

◆ theDeltaPhi

◆ theGEMRecHits

◆ theLocalDirection

◆ theOrigin