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MeasurementExtractor Class Reference

Extracts the subset of TrajectoryState parameters and errors that correspond to the parameters measured by a RecHit. More...

#include <TrackingTools/PatternTools/interface/MeasurementExtractor.h>

List of all members.

Public Member Functions

template<unsigned int D>
AlgebraicROOTObject< D >::SymMatrix measuredError (const TransientTrackingRecHit &hit)
AlgebraicSymMatrix measuredError (const TransientTrackingRecHit &)
template<unsigned int D>
AlgebraicROOTObject< D >::Vector measuredParameters (const TransientTrackingRecHit &hit)
AlgebraicVector measuredParameters (const TransientTrackingRecHit &)
 MeasurementExtractor (const TrajectoryStateOnSurface &aTSoS)

Private Attributes

const TrajectoryStateOnSurface & theTSoS

Detailed Description

Extracts the subset of TrajectoryState parameters and errors that correspond to the parameters measured by a RecHit.

Definition at line 12 of file MeasurementExtractor.h.

Constructor & Destructor Documentation

MeasurementExtractor::MeasurementExtractor ( const TrajectoryStateOnSurface &  aTSoS  )  [inline]

Definition at line 15 of file MeasurementExtractor.h.

00015                                                               :
00016     theTSoS(aTSoS) {}

Member Function Documentation

template<unsigned int D>
AlgebraicROOTObject<D>::SymMatrix MeasurementExtractor::measuredError ( const TransientTrackingRecHit &  hit  )  [inline]

Definition at line 33 of file MeasurementExtractor.h.

References err5, TrajectoryStateOnSurface::localError(), LocalTrajectoryError::matrix(), TrackingRecHit::projectionMatrix(), and theTSoS.

00033                                                                                                                        {
00034       typedef typename AlgebraicROOTObject<D,5>::Matrix Mat;
00035       const AlgebraicSymMatrix55 &err5 =  theTSoS.localError().matrix();
00036       Mat H = asSMatrix<D,5>( hit.projectionMatrix() );
00037       return ROOT::Math::Similarity(H,err5); 
00038   }

AlgebraicSymMatrix MeasurementExtractor::measuredError ( const TransientTrackingRecHit &  hit  ) 

Definition at line 9 of file MeasurementExtractor.cc.

References asHepMatrix(), err5, TrajectoryStateOnSurface::localError(), LocalTrajectoryError::matrix(), TrackingRecHit::projectionMatrix(), and theTSoS.

Referenced by CkfDebugger::analyseRecHitExistance(), TestTrackHits::computeChi2Increment(), CkfDebugger::computePulls(), and MRHChi2MeasurementEstimator::estimate().

00009                                                                                          {
00010   AlgebraicSymMatrix err5( asHepMatrix( theTSoS.localError().matrix() ) );
00011   AlgebraicMatrix H( hit.projectionMatrix());
00012   //  return AlgebraicSymMatrix( H * err5 * H.T());
00013   return err5.similarity(H);
00014 }

template<unsigned int D>
AlgebraicROOTObject<D>::Vector MeasurementExtractor::measuredParameters ( const TransientTrackingRecHit &  hit  )  [inline]

Definition at line 26 of file MeasurementExtractor.h.

References TrajectoryStateOnSurface::localParameters(), TrackingRecHit::projectionMatrix(), theTSoS, and LocalTrajectoryParameters::vector().

00026                                                                                                                          {
00027       typedef typename AlgebraicROOTObject<D,5>::Matrix Mat;
00028       AlgebraicVector5 par5( theTSoS.localParameters().vector());
00029       Mat H = asSMatrix<D,5>( hit.projectionMatrix() );
00030       return H*par5;
00031   }

AlgebraicVector MeasurementExtractor::measuredParameters ( const TransientTrackingRecHit &  hit  ) 

Definition at line 3 of file MeasurementExtractor.cc.

References asHepVector(), TrajectoryStateOnSurface::localParameters(), TrackingRecHit::projectionMatrix(), theTSoS, and LocalTrajectoryParameters::vector().

Referenced by CkfDebugger::analyseRecHitExistance(), TestTrackHits::computeChi2Increment(), CkfDebugger::computePulls(), and MRHChi2MeasurementEstimator::estimate().

00003                                                                                            {
00004   AlgebraicVector par5( asHepVector( theTSoS.localParameters().vector() ) );
00005   AlgebraicMatrix H( hit.projectionMatrix());
00006   return H*par5;
00007 }

Member Data Documentation

const TrajectoryStateOnSurface& MeasurementExtractor::theTSoS [private]

Definition at line 41 of file MeasurementExtractor.h.

Referenced by measuredError(), and measuredParameters().

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