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

Public Member Functions
void	addHit (unsigned int detId, const CTPPSPixelFittedRecHit &hit)
	CTPPSPixelLocalTrack ()
	CTPPSPixelLocalTrack (float z0, const ParameterVector &track_params_vector, const CovarianceMatrix &par_covariance_matrix, float chiSquared)
float	getChiSquared () const
float	getChiSquaredOverNDF () const
const CovarianceMatrix &	getCovarianceMatrix () const
GlobalVector	getDirectionVector () const
const edm::DetSetVector< CTPPSPixelFittedRecHit > &	getHits () const
int	getNDF () const
const ParameterVector &	getParameterVector () const
GlobalPoint	getTrackCentrePoint ()
GlobalPoint	getTrackPoint (float z) const
	returns the point from which the track is passing by at the selected z More...
float	getTx () const
float	getTxSigma () const
float	getTy () const
float	getTySigma () const
float	getX0 () const
float	getX0Sigma () const
float	getX0Variance () const
float	getY0 () const
float	getY0Sigma () const
float	getY0Variance () const
float	getZ0 () const
bool	isValid () const
bool	operator< (const CTPPSPixelLocalTrack &r)
void	setValid (bool valid)
void	setZ0 (float z0)
AlgebraicSymMatrix22	trackPointInterpolationCovariance (float z) const
	~CTPPSPixelLocalTrack ()

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

Private Attributes
float	chiSquared_
	fit chi^2 More...
int	numberOfPointUsedForFit_
CovarianceMatrix	par_covariance_matrix_
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 69 of file CTPPSPixelLocalTrack.h.

Member Typedef Documentation

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

Definition at line 78 of file CTPPSPixelLocalTrack.h.

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

covariance matrix size

Definition at line 79 of file CTPPSPixelLocalTrack.h.

Member Enumeration Documentation

enum CTPPSPixelLocalTrack::TrackPar

Enumerator
x0
y0
tx
ty

Definition at line 74 of file CTPPSPixelLocalTrack.h.

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

Constructor & Destructor Documentation

CTPPSPixelLocalTrack::CTPPSPixelLocalTrack ( )

inline

Definition at line 84 of file CTPPSPixelLocalTrack.h.

                           : z0_(0), chiSquared_(0), valid_(false), numberOfPointUsedForFit_(0)
    {
    }

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

Definition at line 29 of file CTPPSPixelLocalTrack.cc.

      : track_params_vector_(track_params_vector), z0_(z0), par_covariance_matrix_(par_covariance_matrix),
      chiSquared_(chiSquared), valid_(true), numberOfPointUsedForFit_(0)
{

}

CTPPSPixelLocalTrack::~CTPPSPixelLocalTrack ( )

inline

Definition at line 91 of file CTPPSPixelLocalTrack.h.

{}

Member Function Documentation

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

inline

Definition at line 94 of file CTPPSPixelLocalTrack.h.

References CTPPSPixelFittedRecHit::getIsUsedForFit().

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

    {
      track_hits_vector_.find_or_insert(detId).push_back(hit);
      if(hit.getIsUsedForFit()) ++numberOfPointUsedForFit_;
    }

float CTPPSPixelLocalTrack::getChiSquared ( ) const

inline

Definition at line 131 of file CTPPSPixelLocalTrack.h.

{ return chiSquared_; }

float CTPPSPixelLocalTrack::getChiSquaredOverNDF ( ) const

inline

Definition at line 133 of file CTPPSPixelLocalTrack.h.

References pat::helper::ParametrizationHelper::dimension().

Referenced by RPixPlaneCombinatoryTracking::findTracks().

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

const CovarianceMatrix& CTPPSPixelLocalTrack::getCovarianceMatrix ( ) const

inline

Definition at line 127 of file CTPPSPixelLocalTrack.h.

                                                              {
      return par_covariance_matrix_;
    }

GlobalVector CTPPSPixelLocalTrack::getDirectionVector ( ) const

inline

Definition at line 117 of file CTPPSPixelLocalTrack.h.

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

Referenced by RPixPlaneCombinatoryTracking::calculatePointOnDetector().

    {
      GlobalVector vect(getTx(), getTy(), 1);
      return vect.unit();
    }

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

inline

Definition at line 93 of file CTPPSPixelLocalTrack.h.

Referenced by RPixPlaneCombinatoryTracking::findTracks().

{ return track_hits_vector_; }

int CTPPSPixelLocalTrack::getNDF ( ) const

inline

Definition at line 138 of file CTPPSPixelLocalTrack.h.

Referenced by RPixPlaneCombinatoryTracking::findTracks().

{return (2*numberOfPointUsedForFit_ - dimension); }

const ParameterVector& CTPPSPixelLocalTrack::getParameterVector ( ) const

inline

Definition at line 123 of file CTPPSPixelLocalTrack.h.

Referenced by RPixPlaneCombinatoryTracking::calculatePointOnDetector().

                                                            {
      return track_params_vector_;
    }

GlobalPoint CTPPSPixelLocalTrack::getTrackCentrePoint ( )

inline

Definition at line 150 of file CTPPSPixelLocalTrack.h.

References z.

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

GlobalPoint CTPPSPixelLocalTrack::getTrackPoint ( float  z ) const

inline

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

Definition at line 141 of file CTPPSPixelLocalTrack.h.

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

float CTPPSPixelLocalTrack::getTx ( ) const

inline

Definition at line 111 of file CTPPSPixelLocalTrack.h.

{ return track_params_vector_[TrackPar::tx]; }

float CTPPSPixelLocalTrack::getTxSigma ( ) const

inline

Definition at line 112 of file CTPPSPixelLocalTrack.h.

References mathSSE::sqrt().

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

float CTPPSPixelLocalTrack::getTy ( ) const

inline

Definition at line 114 of file CTPPSPixelLocalTrack.h.

{ return track_params_vector_[TrackPar::ty]; }

float CTPPSPixelLocalTrack::getTySigma ( ) const

inline

Definition at line 115 of file CTPPSPixelLocalTrack.h.

References mathSSE::sqrt().

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

float CTPPSPixelLocalTrack::getX0 ( ) const

inline

Definition at line 100 of file CTPPSPixelLocalTrack.h.

{ return track_params_vector_[TrackPar::x0]; }

float CTPPSPixelLocalTrack::getX0Sigma ( ) const

inline

Definition at line 101 of file CTPPSPixelLocalTrack.h.

References mathSSE::sqrt().

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

float CTPPSPixelLocalTrack::getX0Variance ( ) const

inline

Definition at line 102 of file CTPPSPixelLocalTrack.h.

{ return par_covariance_matrix_[TrackPar::x0][TrackPar::x0]; }

float CTPPSPixelLocalTrack::getY0 ( ) const

inline

Definition at line 104 of file CTPPSPixelLocalTrack.h.

{ return track_params_vector_[TrackPar::y0]; }

float CTPPSPixelLocalTrack::getY0Sigma ( ) const

inline

Definition at line 105 of file CTPPSPixelLocalTrack.h.

References mathSSE::sqrt().

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

float CTPPSPixelLocalTrack::getY0Variance ( ) const

inline

Definition at line 106 of file CTPPSPixelLocalTrack.h.

{ return par_covariance_matrix_[TrackPar::y0][TrackPar::y0]; }

float CTPPSPixelLocalTrack::getZ0 ( ) const

inline

Definition at line 108 of file CTPPSPixelLocalTrack.h.

Referenced by RPixPlaneCombinatoryTracking::calculatePointOnDetector().

{ return z0_; }

bool CTPPSPixelLocalTrack::isValid ( void  ) const

inline

Definition at line 157 of file CTPPSPixelLocalTrack.h.

References sistrip::valid_.

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

{ return valid_; }

bool CTPPSPixelLocalTrack::operator<

(

const CTPPSPixelLocalTrack &

r

)

Definition at line 37 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;

}

void CTPPSPixelLocalTrack::setValid ( bool  valid )

inline

Definition at line 159 of file CTPPSPixelLocalTrack.h.

References operator<(), alignCSCRings::r, and sistrip::valid_.

Referenced by RPixPlaneCombinatoryTracking::fitTrack().

{ valid_ = valid; }

void CTPPSPixelLocalTrack::setZ0 ( float  z0 )

inline

Definition at line 109 of file CTPPSPixelLocalTrack.h.

{ z0_ = z0; }

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_);
  
}

Member Data Documentation

float CTPPSPixelLocalTrack::chiSquared_

private

fit chi^2

Definition at line 176 of file CTPPSPixelLocalTrack.h.

int CTPPSPixelLocalTrack::covarianceSize = dimension * dimension

static

Definition at line 82 of file CTPPSPixelLocalTrack.h.

int CTPPSPixelLocalTrack::dimension = 4

static

Definition at line 77 of file CTPPSPixelLocalTrack.h.

Referenced by operator<().

int CTPPSPixelLocalTrack::numberOfPointUsedForFit_

private

Definition at line 181 of file CTPPSPixelLocalTrack.h.

CovarianceMatrix CTPPSPixelLocalTrack::par_covariance_matrix_

private

Definition at line 173 of file CTPPSPixelLocalTrack.h.

Referenced by trackPointInterpolationCovariance().

edm::DetSetVector<CTPPSPixelFittedRecHit> CTPPSPixelLocalTrack::track_hits_vector_

private

Definition at line 164 of file CTPPSPixelLocalTrack.h.

ParameterVector CTPPSPixelLocalTrack::track_params_vector_

private

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

Definition at line 167 of file CTPPSPixelLocalTrack.h.

Referenced by operator<().

bool CTPPSPixelLocalTrack::valid_

private

fit valid?

Definition at line 179 of file CTPPSPixelLocalTrack.h.

float CTPPSPixelLocalTrack::z0_

private

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

Definition at line 171 of file CTPPSPixelLocalTrack.h.

Referenced by operator<(), and trackPointInterpolationCovariance().