PatternTools/src/MeasurementExtractor.cc

0001 #include "TrackingTools/PatternTools/interface/MeasurementExtractor.h"
0002
0003 AlgebraicVector MeasurementExtractor::measuredParameters(const TrackingRecHit& hit) {
0004   AlgebraicVector par5(asHepVector(theTSoS.localParameters().vector()));
0005   AlgebraicMatrix H(hit.projectionMatrix());
0006   return H * par5;
0007 }
0008
0009 AlgebraicSymMatrix MeasurementExtractor::measuredError(const TrackingRecHit& hit) {
0010   AlgebraicSymMatrix err5(asHepMatrix(theTSoS.localError().matrix()));
0011   AlgebraicMatrix H(hit.projectionMatrix());
0012   //  return AlgebraicSymMatrix( H * err5 * H.T());
0013   return err5.similarity(H);
0014 }