ErrorFrameTransformer Struct Reference

#include <ErrorFrameTransformer.h>

Public Types
typedef Surface::Scalar	Scalar

Static Public Member Functions
static GlobalError	transform (const LocalError &le, const Surface &surf)
static LocalError	transform (const GlobalError &ge, const Surface &surf)
static LocalErrorExtended	transform46 (const GlobalErrorExtended &ge, const AlgebraicVector &positions, const AlgebraicVector &directions)

Detailed Description

Definition at line 13 of file ErrorFrameTransformer.h.

Member Typedef Documentation

typedef Surface::Scalar ErrorFrameTransformer::Scalar

Definition at line 15 of file ErrorFrameTransformer.h.

Member Function Documentation

static GlobalError ErrorFrameTransformer::transform ( const LocalError &  le, const Surface &  surf  )

inlinestatic

Definition at line 18 of file ErrorFrameTransformer.h.

References alignCSCRings::r, GloballyPositioned< T >::rotation(), LocalError::xx(), TkRotation< T >::xx(), LocalError::xy(), TkRotation< T >::xy(), TkRotation< T >::xz(), TkRotation< T >::yx(), LocalError::yy(), TkRotation< T >::yy(), and TkRotation< T >::yz().

Referenced by TestOutliers::analyze(), Vispa.Views.LineDecayView.DecayLine::boundingRect(), GsfConstraintAtVertex::constrainAtPoint(), Vispa.Views.LineDecayView.DecayLine::containsPoint(), DTSegmentUpdator::fit(), MuonTransientTrackingRecHit::globalDirectionError(), TValidTrackingRecHit::globalPositionError(), TRecHit5DParamConstraint::globalPositionError(), TRecHit2DPosConstraint::globalPositionError(), BaseTrackerRecHit::globalPositionError(), TValidTrackingRecHit::globalState(), BaseTrackerRecHit::globalState(), Vispa.Views.LineDecayView.DecayLine::paint(), TrackerGeomDet::setAlignmentPositionError(), DynamicTruncation::testCSCstation(), and DynamicTruncation::testDTstation().

                                                                          {
    // the GlobalError is a sym matrix, initialisation takes only
    // 6 T because GlobalError is stored as a lower triangular matrix.
    Scalar cxx = le.xx();
    Scalar cxy = le.xy();
    Scalar cyy = le.yy();
    
    Surface::RotationType r=surf.rotation();
   
    return GlobalError( r.xx()*(r.xx()*cxx+r.yx()*cxy) + r.yx()*(r.xx()*cxy+r.yx()*cyy) ,
                        r.xx()*(r.xy()*cxx+r.yy()*cxy) + r.yx()*(r.xy()*cxy+r.yy()*cyy) ,
                        r.xy()*(r.xy()*cxx+r.yy()*cxy) + r.yy()*(r.xy()*cxy+r.yy()*cyy) ,
                        r.xx()*(r.xz()*cxx+r.yz()*cxy) + r.yx()*(r.xz()*cxy+r.yz()*cyy) ,
                        r.xy()*(r.xz()*cxx+r.yz()*cxy) + r.yy()*(r.xz()*cxy+r.yz()*cyy) ,
                        r.xz()*(r.xz()*cxx+r.yz()*cxy) + r.yz()*(r.xz()*cxy+r.yz()*cyy) );
  }

static LocalError ErrorFrameTransformer::transform ( const GlobalError &  ge, const Surface &  surf  )

inlinestatic

Definition at line 35 of file ErrorFrameTransformer.h.

References GlobalErrorBase< T, ErrorWeightType >::cxx(), GlobalErrorBase< T, ErrorWeightType >::cyx(), GlobalErrorBase< T, ErrorWeightType >::cyy(), GlobalErrorBase< T, ErrorWeightType >::czx(), GlobalErrorBase< T, ErrorWeightType >::czy(), GlobalErrorBase< T, ErrorWeightType >::czz(), alignCSCRings::r, GloballyPositioned< T >::rotation(), TkRotation< T >::xx(), TkRotation< T >::xy(), TkRotation< T >::xz(), TkRotation< T >::yx(), TkRotation< T >::yy(), and TkRotation< T >::yz().

Referenced by Vispa.Views.LineDecayView.DecayLine::boundingRect(), Vispa.Views.LineDecayView.DecayLine::containsPoint(), and Vispa.Views.LineDecayView.DecayLine::paint().

                                                                          {
    Scalar cxx = ge.cxx(); Scalar cyx = ge.cyx(); Scalar cyy = ge.cyy();
    Scalar czx = ge.czx(); Scalar czy = ge.czy(); Scalar czz = ge.czz();
    
    Surface::RotationType r=surf.rotation();
    
    Scalar l11 
      = r.xx()*(r.xx()*cxx + r.xy()*cyx + r.xz()*czx)
      + r.xy()*(r.xx()*cyx + r.xy()*cyy + r.xz()*czy)
      + r.xz()*(r.xx()*czx + r.xy()*czy + r.xz()*czz);
    Scalar l12 
      = r.yx()*(r.xx()*cxx + r.xy()*cyx + r.xz()*czx)
      + r.yy()*(r.xx()*cyx + r.xy()*cyy + r.xz()*czy)
      + r.yz()*(r.xx()*czx + r.xy()*czy + r.xz()*czz);
    Scalar l22
      = r.yx()*(r.yx()*cxx + r.yy()*cyx + r.yz()*czx)
      + r.yy()*(r.yx()*cyx + r.yy()*cyy + r.yz()*czy)
      + r.yz()*(r.yx()*czx + r.yy()*czy + r.yz()*czz);
    
    return LocalError( l11, l12, l22);
  }

static LocalErrorExtended ErrorFrameTransformer::transform46 ( const GlobalErrorExtended &  ge, const AlgebraicVector &  positions, const AlgebraicVector &  directions  )

inlinestatic

Definition at line 58 of file ErrorFrameTransformer.h.

References GlobalErrorBaseExtended< T, ErrorWeightType >::matrix(), and dbtoconf::out.

Referenced by MuonTransientTrackingRecHit::parametersError().

                                                                                                                                            {

    AlgebraicSymMatrix66 as(ge.matrix());

    AlgebraicMatrix46 jacobian46;
    jacobian46[0][0] = 1.;
    jacobian46[0][1] = 0.;
    jacobian46[0][2] = -directions[0];
    jacobian46[0][3] = -positions[1]*directions[0];
    jacobian46[0][4] = positions[0]*directions[0];
    jacobian46[0][5] = -positions[1];

    jacobian46[1][0] = 0.;
    jacobian46[1][1] = 1.;
    jacobian46[1][2] = -directions[1];
    jacobian46[1][3] = -positions[1]*directions[1];
    jacobian46[1][4] = positions[0]*directions[1];
    jacobian46[1][5] = positions[0];

    jacobian46[2][0] = 0.;
    jacobian46[2][1] = 0.;
    jacobian46[2][2] = 0.;
    jacobian46[2][3] = -directions[1]*directions[0];
    jacobian46[2][4] = 1.+directions[0]*directions[0];
    jacobian46[2][5] = -directions[1];

    jacobian46[3][0] = 0.;
    jacobian46[3][1] = 0.;
    jacobian46[3][2] = 0.;
    jacobian46[3][3] = -1.-directions[1]*directions[1];
    jacobian46[3][4] = directions[0]*directions[1];
    jacobian46[3][5] = directions[0];

    AlgebraicSymMatrix44 out = ROOT::Math::Similarity(jacobian46,as); 

    LocalErrorExtended newError(out);

    return newError;
  }