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 SiStripBackPlaneCorrection &backPlaneCorrection, 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 SiStripBackPlaneCorrection &, const SiStripConfObject &, const SiStripLatency &)
Public Member Functions inherited from StripClusterParameterEstimator
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	~StripClusterParameterEstimator ()

Additional Inherited Members
Public Types inherited from StripClusterParameterEstimator
typedef std::pair< LocalPoint, LocalError >	LocalValues
typedef std::vector< LocalValues >	VLocalValues
Protected Member Functions inherited from StripCPE
Param const &	param (const GeomDetUnit &det) const
Protected Attributes inherited from StripCPE
const SiStripBackPlaneCorrection &	BackPlaneCorrectionMap_
const TrackerGeometry &	geom_
const SiStripLorentzAngle &	LorentzAngleMap_
const MagneticField &	magfield_
const bool	peakMode_
std::vector< float >	xtalk1
std::vector< float >	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 SiStripBackPlaneCorrection &  backPlaneCorrection, const SiStripConfObject &  confObj, const SiStripLatency &  latency  )

inline

Definition at line 14 of file StripCPEfromTrackAngle.h.

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

Member Function Documentation

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

virtual

Reimplemented from StripClusterParameterEstimator.

Definition at line 24 of file StripCPEfromTrackAngle.cc.

References funct::abs(), SiStripCluster::amplitudes(), StripCPE::Param::backplanecorrection, SiStripCluster::barycenter(), StripCPE::Param::coveredStrips(), StripCPE::Param::drift, f, StripTopology::localError(), StripTopology::localPosition(), PV3DBase< T, PVType, FrameType >::mag(), StripCPE::Param::maxLength, LocalTrajectoryParameters::momentum(), AlCaHLTBitMon_ParallelJobs::p, StripCPE::param(), LocalTrajectoryParameters::position(), 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-p.backplanecorrection) * 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()) );
}