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Strip1DMeasurementTransformator Class Reference

Helper class for accessing the RecHit and the TrajectoryState parameters and errors in the measurement frame. More...

#include <TrackingTools/KalmanUpdators/interface/Strip1DMeasurementTransformator.h>

List of all members.

Public Member Functions
const TransientTrackingRecHit &	hit () const
double	hitError () const
double	hitParameters () const
double	projectedTrajectoryError () const
double	projectedTrajectoryParameters () const
AM15	projectionMatrix () const
const TSOS &	state () const
	Strip1DMeasurementTransformator (const TSOS &aTsos, const TransientTrackingRecHit &aHit)
const StripTopology *	topology () const
const ASM55 &	trajectoryError () const
AV5	trajectoryParameters () const
	~Strip1DMeasurementTransformator ()
Private Types
typedef AlgebraicMatrix15	AM15
typedef AlgebraicSymMatrix55	ASM55
typedef AlgebraicVector5	AV5
typedef TrajectoryStateOnSurface	TSOS
Private Member Functions
void	init ()
Private Attributes
const TransientTrackingRecHit &	theRecHit
TSOS	theState
const StripTopology *	theTopology

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Detailed Description

Helper class for accessing the RecHit and the TrajectoryState parameters and errors in the measurement frame.

The RecHits are treated as 1-dimensional, the second coordinate is ignored. Ported from ORCA.

Date

2007/05/09 13:50:25

Revision

1.4

Author:

todorov, cerati

Definition at line 19 of file Strip1DMeasurementTransformator.h.

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Member Typedef Documentation

typedef AlgebraicMatrix15 Strip1DMeasurementTransformator::AM15 [private]

Definition at line 25 of file Strip1DMeasurementTransformator.h.

typedef AlgebraicSymMatrix55 Strip1DMeasurementTransformator::ASM55 [private]

Definition at line 24 of file Strip1DMeasurementTransformator.h.

typedef AlgebraicVector5 Strip1DMeasurementTransformator::AV5 [private]

Definition at line 26 of file Strip1DMeasurementTransformator.h.

typedef TrajectoryStateOnSurface Strip1DMeasurementTransformator::TSOS [private]

Definition at line 23 of file Strip1DMeasurementTransformator.h.

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Constructor & Destructor Documentation

Strip1DMeasurementTransformator::Strip1DMeasurementTransformator	(	const TSOS &	aTsos,
		const TransientTrackingRecHit &	aHit
	)

Definition at line 4 of file Strip1DMeasurementTransformator.cc.

References init().

                                                                                             : 
  theRecHit(hit),
  theState(tsos),
  theTopology(0) {

  init();
}

Strip1DMeasurementTransformator::~Strip1DMeasurementTransformator

(

)

[inline]

Definition at line 32 of file Strip1DMeasurementTransformator.h.

{}

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Member Function Documentation

const TransientTrackingRecHit& Strip1DMeasurementTransformator::hit

(

void

)

const [inline]

Definition at line 42 of file Strip1DMeasurementTransformator.h.

References theRecHit.

Referenced by hitError(), hitParameters(), and init().

{return theRecHit;}

double Strip1DMeasurementTransformator::hitError

(

)

const

Definition at line 34 of file Strip1DMeasurementTransformator.cc.

References hit(), Topology::measurementError(), topology(), and MeasurementError::uu().

Referenced by KFStrip1DUpdator::update().

                                                       {

  return     
    topology()->measurementError(hit().localPosition(),
                                 hit().localPositionError()).uu();
}

double Strip1DMeasurementTransformator::hitParameters

(

)

const

Definition at line 19 of file Strip1DMeasurementTransformator.cc.

References hit(), Topology::measurementPosition(), topology(), and PV2DBase< T, PVType, FrameType >::x().

Referenced by KFStrip1DUpdator::update().

                                                            {
  
  return topology()->measurementPosition(hit().localPosition()).x();
}

void Strip1DMeasurementTransformator::init

(

void

)

[private]

Definition at line 13 of file Strip1DMeasurementTransformator.cc.

References TransientTrackingRecHit::detUnit(), hit(), theTopology, and GeomDetUnit::topology().

Referenced by Strip1DMeasurementTransformator().

                                           {

  theTopology = 
    dynamic_cast<const StripTopology*>(&(hit().detUnit()->topology()));
}

double Strip1DMeasurementTransformator::projectedTrajectoryError

(

)

const

Definition at line 46 of file Strip1DMeasurementTransformator.cc.

References Topology::measurementError(), state(), topology(), and MeasurementError::uu().

Referenced by KFStrip1DUpdator::update().

                                                                       {

  return 
    topology()->measurementError(state().localPosition(),
                                 state().localError().positionError()).uu();
}

double Strip1DMeasurementTransformator::projectedTrajectoryParameters

(

)

const

Definition at line 29 of file Strip1DMeasurementTransformator.cc.

References Topology::measurementPosition(), state(), topology(), and PV2DBase< T, PVType, FrameType >::x().

Referenced by KFStrip1DUpdator::update().

                                                                            {

  return topology()->measurementPosition(state().localPosition()).x();
}

AlgebraicMatrix15 Strip1DMeasurementTransformator::projectionMatrix

(

)

const

Definition at line 53 of file Strip1DMeasurementTransformator.cc.

References funct::cos(), StripTopology::localPitch(), phi, funct::sin(), state(), strip(), StripTopology::stripAngle(), and topology().

Referenced by KFStrip1DUpdator::update().

                                                                          {

  //  H(measurement <- local)
  //  m_meas = H*x_local + c
  AlgebraicMatrix15 H;

  double phi = 
    topology()->stripAngle(topology()->strip(state().localPosition()));
  double pitch = topology()->localPitch(state().localPosition());
  H(0,3) = cos(phi)/pitch; H(0,4) = sin(phi)/pitch;
  
  return H;
}

const TSOS& Strip1DMeasurementTransformator::state

(

void

)

const [inline]

Definition at line 43 of file Strip1DMeasurementTransformator.h.

References theState.

Referenced by projectedTrajectoryError(), projectedTrajectoryParameters(), projectionMatrix(), trajectoryError(), and trajectoryParameters().

{return theState;}

const StripTopology* Strip1DMeasurementTransformator::topology

(

)

const [inline]

Definition at line 44 of file Strip1DMeasurementTransformator.h.

References theTopology.

Referenced by hitError(), hitParameters(), projectedTrajectoryError(), projectedTrajectoryParameters(), and projectionMatrix().

{return theTopology;}

const AlgebraicSymMatrix55 & Strip1DMeasurementTransformator::trajectoryError

(

)

const

Definition at line 41 of file Strip1DMeasurementTransformator.cc.

References TrajectoryStateOnSurface::localError(), LocalTrajectoryError::matrix(), and state().

Referenced by KFStrip1DUpdator::update().

                                                                                    {

  return state().localError().matrix();
}

AlgebraicVector5 Strip1DMeasurementTransformator::trajectoryParameters

(

)

const

Definition at line 24 of file Strip1DMeasurementTransformator.cc.

References TrajectoryStateOnSurface::localParameters(), state(), and LocalTrajectoryParameters::vector().

Referenced by KFStrip1DUpdator::update().

                                                                             {
    
  return state().localParameters().vector();
}

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Member Data Documentation

const TransientTrackingRecHit& Strip1DMeasurementTransformator::theRecHit [private]

Definition at line 48 of file Strip1DMeasurementTransformator.h.

Referenced by hit().

TSOS Strip1DMeasurementTransformator::theState [private]

Definition at line 49 of file Strip1DMeasurementTransformator.h.

Referenced by state().

const StripTopology* Strip1DMeasurementTransformator::theTopology [private]

Definition at line 50 of file Strip1DMeasurementTransformator.h.

Referenced by init(), and topology().

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

• TrackingTools/KalmanUpdators/interface/Strip1DMeasurementTransformator.h
• TrackingTools/KalmanUpdators/src/Strip1DMeasurementTransformator.cc

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