StripCPEfromTrackAngle Class Reference

#include <StripCPEfromTrackAngle.h>

Inheritance diagram for StripCPEfromTrackAngle:

Public Member Functions
StripClusterParameterEstimator::LocalValues	localParameters (const SiStripCluster &, const GeomDetUnit &, const LocalTrajectoryParameters &) const
	StripCPEfromTrackAngle (edm::ParameterSet &conf, const MagneticField &mag, const TrackerGeometry &geom, const SiStripLorentzAngle &lorentz, const SiStripConfObject &confObj, const SiStripLatency &latency)
Public Member Functions inherited from StripCPE
LocalVector	driftDirection (const StripGeomDetUnit *det) const
StripClusterParameterEstimator::LocalValues	localParameters (const SiStripCluster &cl, const GeomDetUnit &) const
	StripCPE (edm::ParameterSet &conf, const MagneticField &, const TrackerGeometry &, const SiStripLorentzAngle &, const SiStripConfObject &, const SiStripLatency &)
Public Member Functions inherited from StripClusterParameterEstimator
virtual MeasurementValues	measurementParameters (const SiStripCluster &, const GeomDetUnit &) const
virtual MeasurementValues	measurementParameters (const SiStripCluster &cluster, const GeomDetUnit &gd, const LocalTrajectoryParameters &ltp) const
float	templateProbability () const
void	templateProbability (float stp)
int	templateQbin () const
void	templateQbin (int stqb)
Public Member Functions inherited from ClusterParameterEstimator< SiStripCluster >
virtual void	clearParameters () const
virtual void	enterLocalParameters (unsigned int id, std::pair< int, int > &row_col, LocalValues pos_err_info) const
virtual void	enterLocalParameters (uint32_t id, uint16_t firstStrip, LocalValues pos_err_info) const
virtual LocalValues	localParameters (const SiStripCluster &cluster, const GeomDetUnit &gd, const TrajectoryStateOnSurface &tsos) const
virtual VLocalValues	localParametersV (const SiStripCluster &cluster, const GeomDetUnit &gd) const
virtual VLocalValues	localParametersV (const SiStripCluster &cluster, const GeomDetUnit &gd, const TrajectoryStateOnSurface &tsos) const
virtual	~ClusterParameterEstimator ()

Additional Inherited Members
Public Types inherited from StripClusterParameterEstimator
typedef std::pair < MeasurementPoint, MeasurementError >	MeasurementValues
Public Types inherited from ClusterParameterEstimator< SiStripCluster >
typedef std::pair< LocalPoint, LocalError >	LocalValues
typedef std::vector< LocalValues >	VLocalValues
Public Attributes inherited from StripClusterParameterEstimator
float	stripCPEtemplateProbability_
int	stripCPEtemplateQbin_
Protected Member Functions inherited from StripCPE
Param const &	param (const GeomDetUnit &det) const
Protected Attributes inherited from StripCPE
const TrackerGeometry &	geom_
const SiStripLorentzAngle &	LorentzAngleMap_
const MagneticField &	magfield_
const bool	peakMode_
std::vector< double >	shift
std::vector< double >	xtalk1
std::vector< double >	xtalk2

Detailed Description

Definition at line 6 of file StripCPEfromTrackAngle.h.

Constructor & Destructor Documentation

StripCPEfromTrackAngle::StripCPEfromTrackAngle ( edm::ParameterSet &  conf, const MagneticField &  mag, const TrackerGeometry &  geom, const SiStripLorentzAngle &  lorentz, const SiStripConfObject &  confObj, const SiStripLatency &  latency  )

inline

Definition at line 13 of file StripCPEfromTrackAngle.h.

  : StripCPE(conf, mag, geom, lorentz, confObj, latency ) {}

Member Function Documentation

StripClusterParameterEstimator::LocalValues StripCPEfromTrackAngle::localParameters ( const SiStripCluster &  cluster, const GeomDetUnit &  det, const LocalTrajectoryParameters &  ltp  ) const

virtual

Reimplemented from ClusterParameterEstimator< SiStripCluster >.

Definition at line 21 of file StripCPEfromTrackAngle.cc.

References abs, SiStripCluster::amplitudes(), SiStripCluster::barycenter(), StripCPE::Param::coveredStrips(), StripCPE::Param::drift, f, StripTopology::localError(), StripTopology::localPosition(), PV3DBase< T, PVType, FrameType >::mag(), StripCPE::Param::maxLength, StripCPE::Param::moduleGeom, LocalTrajectoryParameters::momentum(), AlCaHLTBitMon_ParallelJobs::p, StripCPE::param(), LocalTrajectoryParameters::position(), StripCPE::shift, strip(), StripCPE::Param::thickness, StripCPE::Param::topology, LocalTrajectoryParameters::vector(), and PV3DBase< T, PVType, FrameType >::z().

                                                                                                                    {
  
  StripCPE::Param const & p = param(det);
  
  LocalVector track = ltp.momentum();
  track *= 
    (track.z()<0) ?  std::abs(p.thickness/track.z()) : 
    (track.z()>0) ? -std::abs(p.thickness/track.z()) :  
                         p.maxLength/track.mag() ;

  const unsigned N = cluster.amplitudes().size();
  const float fullProjection = p.coveredStrips( track+p.drift, ltp.position());
  const float uerr2 = stripErrorSquared( N, std::abs(fullProjection) );
  const float strip = cluster.barycenter() -  0.5f*(1.f-shift[p.moduleGeom]) * fullProjection
    + 0.5f*p.coveredStrips(track, ltp.position());
  
  return std::make_pair( p.topology->localPosition(strip, ltp.vector()),
             p.topology->localError(strip, uerr2, ltp.vector()) );
}