TrackAndGSFLinker Class Reference

Inheritance diagram for TrackAndGSFLinker:

Public Member Functions
double	testLink (const reco::PFBlockElement *, const reco::PFBlockElement *) const override
	TrackAndGSFLinker (const edm::ParameterSet &conf)
Public Member Functions inherited from BlockElementLinkerBase
	BlockElementLinkerBase (const edm::ParameterSet &conf)
	BlockElementLinkerBase (const BlockElementLinkerBase &)=delete
virtual bool	linkPrefilter (const reco::PFBlockElement *, const reco::PFBlockElement *) const
const std::string &	name () const
BlockElementLinkerBase &	operator= (const BlockElementLinkerBase &)=delete
virtual	~BlockElementLinkerBase ()=default

Private Attributes
bool	_debug
bool	_useConvertedBrems
bool	_useKDTree

Detailed Description

Definition at line 7 of file TrackAndGSFLinker.cc.

Constructor & Destructor Documentation

TrackAndGSFLinker::TrackAndGSFLinker ( const edm::ParameterSet &  conf )

inline

Definition at line 9 of file TrackAndGSFLinker.cc.

References testLink().

                                                 :
    BlockElementLinkerBase(conf),
    _useKDTree(conf.getParameter<bool>("useKDTree")),
    _useConvertedBrems(conf.getParameter<bool>("useConvertedBrems")),
    _debug(conf.getUntrackedParameter<bool>("debug",false)) {}

Member Function Documentation

double TrackAndGSFLinker::testLink ( const reco::PFBlockElement *  elem1, const reco::PFBlockElement *  elem2  ) const

overridevirtual

Implements BlockElementLinkerBase.

Definition at line 28 of file TrackAndGSFLinker.cc.

References _useConvertedBrems, constexpr, reco::PFBlockElementGsfTrack::GsftrackRefPF(), reco::PFBlockElementTrack::isLinkedToDisplacedVertex(), edm::Ref< C, T, F >::isNonnull(), reco::PFBlockElement::T_FROM_GAMMACONV, reco::PFBlockElementTrack::trackRefPF(), reco::PFBlockElementTrack::trackType(), and reco::PFBlockElement::type().

Referenced by TrackAndGSFLinker().

                                           { 
  constexpr reco::PFBlockElement::TrackType T_FROM_GAMMACONV =
    reco::PFBlockElement::T_FROM_GAMMACONV;
  double dist = -1.0;
  const reco::PFBlockElementGsfTrack * gsfelem(nullptr);
  const reco::PFBlockElementTrack * tkelem(nullptr);
  if( elem1->type() < elem2->type() ) {
    tkelem = static_cast<const reco::PFBlockElementTrack *>(elem1);
    gsfelem = static_cast<const reco::PFBlockElementGsfTrack *>(elem2);
  } else {
    tkelem = static_cast<const reco::PFBlockElementTrack *>(elem2);
    gsfelem = static_cast<const reco::PFBlockElementGsfTrack *>(elem1);
  }  
  
  const reco::PFRecTrackRef& trackref = tkelem->trackRefPF();     
  const reco::GsfPFRecTrackRef& gsfref = gsfelem->GsftrackRefPF();
  const reco::TrackRef& kftrackref= trackref->trackRef();
  const reco::TrackBaseRef kftrackrefbase(kftrackref);
  const reco::PFRecTrackRef& refkf = gsfref->kfPFRecTrackRef();
  if(refkf.isNonnull()) {
    const reco::TrackRef& gsftrackref = refkf->trackRef();
    if ( gsftrackref.isNonnull() && kftrackref.isNonnull() &&
     kftrackref == gsftrackref ) {      
    dist = 0.001;
    }
  }
  
  //override for converted brems
  if(_useConvertedBrems) {
    if(tkelem->isLinkedToDisplacedVertex()){
      const std::vector<reco::PFRecTrackRef>& convbrems = 
    gsfref->convBremPFRecTrackRef();
      for( const auto& convbrem : convbrems ) {
    if( tkelem->trackType(T_FROM_GAMMACONV) &&
        kftrackref == convbrem->trackRef() ) {
      dist = 0.001;
    } else { // check the base ref as well (for dedicated conversions?)
      const reco::TrackBaseRef convbrembase(convbrem->trackRef());
      if( convbrembase == kftrackrefbase ) {
        dist = 0.001;
      }
    }
      }
    }
  }  
  return dist;
}

Member Data Documentation

bool TrackAndGSFLinker::_debug

private

Definition at line 20 of file TrackAndGSFLinker.cc.

Referenced by cmsPerfSuite.PerfSuite::optionParse(), and cmsPerfSuite.PerfSuite::runCmsReport().

bool TrackAndGSFLinker::_useConvertedBrems

private

Definition at line 20 of file TrackAndGSFLinker.cc.

Referenced by testLink().

bool TrackAndGSFLinker::_useKDTree

private

Definition at line 20 of file TrackAndGSFLinker.cc.