CTPPSPixelLocalTrack Class Reference

#include <CTPPSPixelLocalTrack.h>

Public Types
typedef math::Error< dimension > ::type	CovarianceMatrix
typedef math::Vector < dimension >::type	ParameterVector
	covariance matrix size More...
enum	TrackPar { TrackPar::x0 = 0, TrackPar::y0 = 1, TrackPar::tx = 2, TrackPar::ty = 3 }

Public Member Functions
void	addHit (unsigned int detId, const CTPPSPixelFittedRecHit &hit)
float	chiSquared () const
float	chiSquaredOverNDF () const
const CovarianceMatrix &	covarianceMatrix () const
	CTPPSPixelLocalTrack ()
	CTPPSPixelLocalTrack (float z0, const ParameterVector &track_params_vector, const CovarianceMatrix &par_covariance_matrix, float chiSquared)
GlobalVector	directionVector () const
const edm::DetSetVector < CTPPSPixelFittedRecHit > &	hits () const
bool	isValid () const
int	ndf () const
unsigned short	numberOfPointsUsedForFit () const
bool	operator< (const CTPPSPixelLocalTrack &r)
const ParameterVector &	parameterVector () const
CTPPSpixelLocalTrackReconstructionInfo	recoInfo () const
void	setRecoInfo (CTPPSpixelLocalTrackReconstructionInfo recoInfo)
void	setValid (bool valid)
void	setZ0 (float z0)
GlobalPoint	trackCentrePoint ()
GlobalPoint	trackPoint (float z) const
	returns the point from which the track is passing by at the selected z More...
AlgebraicSymMatrix22	trackPointInterpolationCovariance (float z) const
float	tx () const
float	txSigma () const
float	ty () const
float	tySigma () const
float	x0 () const
float	x0Sigma () const
float	x0Variance () const
float	y0 () const
float	y0Sigma () const
float	y0Variance () const
float	z0 () const
	~CTPPSPixelLocalTrack ()

Static Public Attributes
static constexpr int	covarianceSize = dimension * dimension
static constexpr int	dimension = 4

Private Attributes
float	chiSquared_
	fit chi^2 More...
int	numberOfPointsUsedForFit_
	number of points used for the track fit More...
CovarianceMatrix	par_covariance_matrix_
CTPPSpixelLocalTrackReconstructionInfo	recoInfo_
edm::DetSetVector < CTPPSPixelFittedRecHit >	track_hits_vector_
ParameterVector	track_params_vector_
	track parameters: (x0, y0, tx, ty); x = x0 + tx*(z-z0) ... More...
bool	valid_
	fit valid? More...
float	z0_

Detailed Description

Definition at line 84 of file CTPPSPixelLocalTrack.h.

Member Typedef Documentation

typedef math::Error<dimension>::type CTPPSPixelLocalTrack::CovarianceMatrix

Definition at line 90 of file CTPPSPixelLocalTrack.h.

typedef math::Vector<dimension>::type CTPPSPixelLocalTrack::ParameterVector

covariance matrix size

Definition at line 91 of file CTPPSPixelLocalTrack.h.

Member Enumeration Documentation

enum CTPPSPixelLocalTrack::TrackPar

strong

Enumerator
x0
y0
tx
ty

Definition at line 86 of file CTPPSPixelLocalTrack.h.

{ x0 = 0, y0 = 1, tx = 2, ty = 3 };

Constructor & Destructor Documentation

CTPPSPixelLocalTrack::CTPPSPixelLocalTrack ( )

inline

Definition at line 96 of file CTPPSPixelLocalTrack.h.

      : z0_(0),
        chiSquared_(0),
        valid_(false),
        numberOfPointsUsedForFit_(0),
        recoInfo_(CTPPSpixelLocalTrackReconstructionInfo::invalid) {}

CTPPSPixelLocalTrack::CTPPSPixelLocalTrack	(	float	z0,
		const ParameterVector &	track_params_vector,
		const CovarianceMatrix &	par_covariance_matrix,
		float	chiSquared
	)

Definition at line 27 of file CTPPSPixelLocalTrack.cc.

    : track_params_vector_(track_params_vector),
      z0_(z0),
      par_covariance_matrix_(par_covariance_matrix),
      chiSquared_(chiSquared),
      valid_(true),
      numberOfPointsUsedForFit_(0),
      recoInfo_(CTPPSpixelLocalTrackReconstructionInfo::invalid) {}

CTPPSPixelLocalTrack::~CTPPSPixelLocalTrack ( )

inline

Definition at line 108 of file CTPPSPixelLocalTrack.h.

{}

Member Function Documentation

void CTPPSPixelLocalTrack::addHit ( unsigned int  detId, const CTPPSPixelFittedRecHit &  hit  )

inline

Definition at line 111 of file CTPPSPixelLocalTrack.h.

References edm::DetSetVector< T >::find_or_insert(), CTPPSPixelFittedRecHit::isUsedForFit(), numberOfPointsUsedForFit_, edm::DetSet< T >::push_back(), and track_hits_vector_.

Referenced by RPixPlaneCombinatoryTracking::findTracks(), and RPixPlaneCombinatoryTracking::fitTrack().

                                                                            {
    track_hits_vector_.find_or_insert(detId).push_back(hit);
    if (hit.isUsedForFit())
      ++numberOfPointsUsedForFit_;
  }

float CTPPSPixelLocalTrack::chiSquared ( ) const

inline

Definition at line 155 of file CTPPSPixelLocalTrack.h.

References chiSquared_.

{ return chiSquared_; }

float CTPPSPixelLocalTrack::chiSquaredOverNDF ( ) const

inline

Definition at line 157 of file CTPPSPixelLocalTrack.h.

References chiSquared_, dimension, and numberOfPointsUsedForFit_.

Referenced by RPixPlaneCombinatoryTracking::findTracks().

                                         {
    if (numberOfPointsUsedForFit_ <= dimension / 2)
      return -999.;
    else
      return chiSquared_ / (2 * numberOfPointsUsedForFit_ - dimension);
  }

const CovarianceMatrix& CTPPSPixelLocalTrack::covarianceMatrix ( ) const

inline

Definition at line 153 of file CTPPSPixelLocalTrack.h.

References par_covariance_matrix_.

{ return par_covariance_matrix_; }

GlobalVector CTPPSPixelLocalTrack::directionVector ( ) const

inline

Definition at line 146 of file CTPPSPixelLocalTrack.h.

References tx(), ty(), and Vector3DBase< T, FrameTag >::unit().

Referenced by RPixPlaneCombinatoryTracking::calculatePointOnDetector().

                                              {
    GlobalVector vect(tx(), ty(), 1);
    return vect.unit();
  }

const edm::DetSetVector<CTPPSPixelFittedRecHit>& CTPPSPixelLocalTrack::hits ( ) const

inline

Definition at line 110 of file CTPPSPixelLocalTrack.h.

References track_hits_vector_.

Referenced by RPixPlaneCombinatoryTracking::findTracks().

{ return track_hits_vector_; }

bool CTPPSPixelLocalTrack::isValid ( void  ) const

inline

Definition at line 182 of file CTPPSPixelLocalTrack.h.

References valid_.

Referenced by ntupleDataFormat._Object::_checkIsValid(), RPixPlaneCombinatoryTracking::findTracks(), and core.AutoHandle.AutoHandle::ReallyLoad().

{ return valid_; }

int CTPPSPixelLocalTrack::ndf ( void  ) const

inline

Definition at line 164 of file CTPPSPixelLocalTrack.h.

References dimension, and numberOfPointsUsedForFit_.

Referenced by RPixPlaneCombinatoryTracking::findTracks().

{ return (2 * numberOfPointsUsedForFit_ - dimension); }

unsigned short CTPPSPixelLocalTrack::numberOfPointsUsedForFit ( ) const

inline

Definition at line 191 of file CTPPSPixelLocalTrack.h.

References numberOfPointsUsedForFit_.

{ return numberOfPointsUsedForFit_; }

bool CTPPSPixelLocalTrack::operator<

(

const CTPPSPixelLocalTrack &

r

)

Definition at line 39 of file CTPPSPixelLocalTrack.cc.

References dimension, mps_fire::i, track_params_vector_, and z0_.

                                                                  {
  if (z0_ < r.z0_)
    return true;
  if (z0_ > r.z0_)
    return false;

  for (int i = 0; i < CTPPSPixelLocalTrack::dimension; ++i) {
    if (track_params_vector_[i] < r.track_params_vector_[i])
      return true;
    if (track_params_vector_[i] > r.track_params_vector_[i])
      return false;
  }

  return false;
}

const ParameterVector& CTPPSPixelLocalTrack::parameterVector ( ) const

inline

Definition at line 151 of file CTPPSPixelLocalTrack.h.

References track_params_vector_.

Referenced by RPixPlaneCombinatoryTracking::calculatePointOnDetector().

{ return track_params_vector_; }

CTPPSpixelLocalTrackReconstructionInfo CTPPSPixelLocalTrack::recoInfo ( ) const

inline

Definition at line 188 of file CTPPSPixelLocalTrack.h.

References recoInfo_.

Referenced by setRecoInfo().

{ return recoInfo_; }

void CTPPSPixelLocalTrack::setRecoInfo ( CTPPSpixelLocalTrackReconstructionInfo  recoInfo )

inline

Definition at line 189 of file CTPPSPixelLocalTrack.h.

References recoInfo(), and recoInfo_.

{ recoInfo_ = recoInfo; }

void CTPPSPixelLocalTrack::setValid ( bool  valid )

inline

Definition at line 184 of file CTPPSPixelLocalTrack.h.

References valid_.

Referenced by RPixPlaneCombinatoryTracking::fitTrack().

{ valid_ = valid; }

void CTPPSPixelLocalTrack::setZ0 ( float  z0 )

inline

Definition at line 134 of file CTPPSPixelLocalTrack.h.

References z0(), and z0_.

{ z0_ = z0; }

GlobalPoint CTPPSPixelLocalTrack::trackCentrePoint ( )

inline

Definition at line 175 of file CTPPSPixelLocalTrack.h.

References track_params_vector_, x0, y0, and z0_.

                                        {
    return GlobalPoint(
        track_params_vector_[(unsigned int)TrackPar::x0], track_params_vector_[(unsigned int)TrackPar::y0], z0_);
  }

GlobalPoint CTPPSPixelLocalTrack::trackPoint ( float  z ) const

inline

returns the point from which the track is passing by at the selected z

Definition at line 167 of file CTPPSPixelLocalTrack.h.

References track_params_vector_, tx, ty, x0, y0, and z0_.

                                               {
    float delta_z = z - z0_;
    return GlobalPoint(
        track_params_vector_[(unsigned int)TrackPar::x0] + track_params_vector_[(unsigned int)TrackPar::tx] * delta_z,
        track_params_vector_[(unsigned int)TrackPar::y0] + track_params_vector_[(unsigned int)TrackPar::ty] * delta_z,
        z);
  }

AlgebraicSymMatrix22 CTPPSPixelLocalTrack::trackPointInterpolationCovariance

(

float

z

)

const

Definition at line 15 of file CTPPSPixelLocalTrack.cc.

References h, par_covariance_matrix_, and z0_.

                                                                                          {
  math::Matrix<2, dimension>::type h;
  h(0, 0) = 1;
  h(1, 1) = 1;
  h(0, 2) = z - z0_;
  h(1, 3) = z - z0_;

  return ROOT::Math::Similarity(h, par_covariance_matrix_);
}

float CTPPSPixelLocalTrack::tx ( ) const

inline

Definition at line 136 of file CTPPSPixelLocalTrack.h.

References track_params_vector_, and tx.

Referenced by directionVector().

{ return track_params_vector_[(unsigned int)TrackPar::tx]; }

float CTPPSPixelLocalTrack::txSigma ( ) const

inline

Definition at line 137 of file CTPPSPixelLocalTrack.h.

References par_covariance_matrix_, mathSSE::sqrt(), and tx.

                               {
    return sqrt(par_covariance_matrix_[(unsigned int)TrackPar::tx][(unsigned int)TrackPar::tx]);
  }

float CTPPSPixelLocalTrack::ty ( ) const

inline

Definition at line 141 of file CTPPSPixelLocalTrack.h.

References track_params_vector_, and ty.

Referenced by directionVector().

{ return track_params_vector_[(unsigned int)TrackPar::ty]; }

float CTPPSPixelLocalTrack::tySigma ( ) const

inline

Definition at line 142 of file CTPPSPixelLocalTrack.h.

References par_covariance_matrix_, mathSSE::sqrt(), and ty.

                               {
    return sqrt(par_covariance_matrix_[(unsigned int)TrackPar::ty][(unsigned int)TrackPar::ty]);
  }

float CTPPSPixelLocalTrack::x0 ( ) const

inline

Definition at line 117 of file CTPPSPixelLocalTrack.h.

References track_params_vector_, and x0.

{ return track_params_vector_[(unsigned int)TrackPar::x0]; }

float CTPPSPixelLocalTrack::x0Sigma ( ) const

inline

Definition at line 118 of file CTPPSPixelLocalTrack.h.

References par_covariance_matrix_, mathSSE::sqrt(), and x0.

                               {
    return sqrt(par_covariance_matrix_[(unsigned int)TrackPar::x0][(unsigned int)TrackPar::x0]);
  }

float CTPPSPixelLocalTrack::x0Variance ( ) const

inline

Definition at line 121 of file CTPPSPixelLocalTrack.h.

References par_covariance_matrix_, and x0.

                                  {
    return par_covariance_matrix_[(unsigned int)TrackPar::x0][(unsigned int)TrackPar::x0];
  }

float CTPPSPixelLocalTrack::y0 ( ) const

inline

Definition at line 125 of file CTPPSPixelLocalTrack.h.

References track_params_vector_, and y0.

{ return track_params_vector_[(unsigned int)TrackPar::y0]; }

float CTPPSPixelLocalTrack::y0Sigma ( ) const

inline

Definition at line 126 of file CTPPSPixelLocalTrack.h.

References par_covariance_matrix_, mathSSE::sqrt(), and y0.

                               {
    return sqrt(par_covariance_matrix_[(unsigned int)TrackPar::y0][(unsigned int)TrackPar::y0]);
  }

float CTPPSPixelLocalTrack::y0Variance ( ) const

inline

Definition at line 129 of file CTPPSPixelLocalTrack.h.

References par_covariance_matrix_, and y0.

                                  {
    return par_covariance_matrix_[(unsigned int)TrackPar::y0][(unsigned int)TrackPar::y0];
  }

float CTPPSPixelLocalTrack::z0 ( ) const

inline

Definition at line 133 of file CTPPSPixelLocalTrack.h.

References z0_.

Referenced by RPixPlaneCombinatoryTracking::calculatePointOnDetector(), and setZ0().

{ return z0_; }

Member Data Documentation

float CTPPSPixelLocalTrack::chiSquared_

private

fit chi^2

Definition at line 206 of file CTPPSPixelLocalTrack.h.

Referenced by chiSquared(), and chiSquaredOverNDF().

constexpr int CTPPSPixelLocalTrack::covarianceSize = dimension * dimension

static

Definition at line 94 of file CTPPSPixelLocalTrack.h.

constexpr int CTPPSPixelLocalTrack::dimension = 4

static

Definition at line 89 of file CTPPSPixelLocalTrack.h.

Referenced by chiSquaredOverNDF(), CTPPSPixelDQMSource::dqmBeginRun(), ndf(), and operator<().

int CTPPSPixelLocalTrack::numberOfPointsUsedForFit_

private

number of points used for the track fit

Definition at line 212 of file CTPPSPixelLocalTrack.h.

Referenced by addHit(), chiSquaredOverNDF(), ndf(), and numberOfPointsUsedForFit().

CovarianceMatrix CTPPSPixelLocalTrack::par_covariance_matrix_

private

Definition at line 203 of file CTPPSPixelLocalTrack.h.

Referenced by covarianceMatrix(), trackPointInterpolationCovariance(), txSigma(), tySigma(), x0Sigma(), x0Variance(), y0Sigma(), and y0Variance().

CTPPSpixelLocalTrackReconstructionInfo CTPPSPixelLocalTrack::recoInfo_

private

Definition at line 214 of file CTPPSPixelLocalTrack.h.

Referenced by recoInfo(), and setRecoInfo().

edm::DetSetVector<CTPPSPixelFittedRecHit> CTPPSPixelLocalTrack::track_hits_vector_

private

Definition at line 194 of file CTPPSPixelLocalTrack.h.

Referenced by addHit(), and hits().

ParameterVector CTPPSPixelLocalTrack::track_params_vector_

private

track parameters: (x0, y0, tx, ty); x = x0 + tx*(z-z0) ...

Definition at line 197 of file CTPPSPixelLocalTrack.h.

Referenced by operator<(), parameterVector(), trackCentrePoint(), trackPoint(), tx(), ty(), x0(), and y0().

bool CTPPSPixelLocalTrack::valid_

private

fit valid?

Definition at line 209 of file CTPPSPixelLocalTrack.h.

Referenced by isValid(), and setValid().

float CTPPSPixelLocalTrack::z0_

private

z where x0 and y0 are evaluated. filled from TotemRPGeometry::GetRPGlobalTranslation

Definition at line 201 of file CTPPSPixelLocalTrack.h.

Referenced by operator<(), setZ0(), trackCentrePoint(), trackPoint(), trackPointInterpolationCovariance(), and z0().