ticl::SeedingRegionByTracks Class Reference

#include <SeedingRegionByTracks.h>

Inheritance diagram for ticl::SeedingRegionByTracks:

Public Member Functions
void	initialize (const edm::EventSetup &es) override
void	makeRegions (const edm::Event &ev, const edm::EventSetup &es, std::vector< TICLSeedingRegion > &result) override
	SeedingRegionByTracks (const edm::ParameterSet &conf, edm::ConsumesCollector &sumes)
	~SeedingRegionByTracks () override
Public Member Functions inherited from ticl::SeedingRegionAlgoBase
	SeedingRegionAlgoBase (const edm::ParameterSet &conf, edm::ConsumesCollector &sumes)
virtual	~SeedingRegionAlgoBase ()

Private Member Functions
void	buildFirstLayers ()

Private Attributes
edm::ESHandle< MagneticField >	bfield_
edm::ESGetToken< MagneticField, IdealMagneticFieldRecord >	bfield_token_
const StringCutObjectSelector< reco::Track >	cutTk_
std::unique_ptr< GeomDet >	firstDisk_ [2]
edm::ESGetToken< HGCalDDDConstants, IdealGeometryRecord >	hdc_token_
const HGCalDDDConstants *	hgcons_
std::once_flag	initializeGeometry_
edm::ESHandle< Propagator >	propagator_
edm::ESGetToken< Propagator, TrackingComponentsRecord >	propagator_token_
const std::string	propName_
edm::EDGetTokenT< reco::TrackCollection >	tracks_token_

Static Private Attributes
static const std::string	detectorName_ = "HGCalEESensitive"

Additional Inherited Members
Public Types inherited from ticl::SeedingRegionAlgoBase
enum	VerbosityLevel {   None = 0, Basic, Advanced, Expert,   Guru }
Protected Attributes inherited from ticl::SeedingRegionAlgoBase
int	algo_verbosity_
int	algoId_

Detailed Description

Definition at line 31 of file SeedingRegionByTracks.h.

Constructor & Destructor Documentation

SeedingRegionByTracks()

SeedingRegionByTracks::SeedingRegionByTracks	(	const edm::ParameterSet &	conf,
		edm::ConsumesCollector &	sumes
	)

Definition at line 16 of file SeedingRegionByTracks.cc.

    : SeedingRegionAlgoBase(conf, sumes),
      tracks_token_(sumes.consumes<reco::TrackCollection>(conf.getParameter<edm::InputTag>("tracks"))),
      cutTk_(conf.getParameter<std::string>("cutTk")),
      propName_(conf.getParameter<std::string>("propagator")),
      hdc_token_(sumes.esConsumes<HGCalDDDConstants, IdealGeometryRecord, edm::Transition::BeginRun>(
          edm::ESInputTag("", detectorName_))),
      bfield_token_(sumes.esConsumes<MagneticField, IdealMagneticFieldRecord, edm::Transition::BeginRun>()),
      propagator_token_(sumes.esConsumes<Propagator, TrackingComponentsRecord, edm::Transition::BeginRun>(
          edm::ESInputTag("", propName_))) {}

~SeedingRegionByTracks()

SeedingRegionByTracks::~SeedingRegionByTracks ( )

override

Definition at line 27 of file SeedingRegionByTracks.cc.

{}

Member Function Documentation

buildFirstLayers()

void SeedingRegionByTracks::buildFirstLayers ( )

private

Definition at line 68 of file SeedingRegionByTracks.cc.

                                             {
  float zVal = hgcons_->waferZ(1, true);
  std::pair<double, double> rMinMax = hgcons_->rangeR(zVal, true);
 
  for (int iSide = 0; iSide < 2; ++iSide) {
    float zSide = (iSide == 0) ? (-1. * zVal) : zVal;
    firstDisk_[iSide] =
        std::make_unique<GeomDet>(Disk::build(Disk::PositionType(0, 0, zSide),
                                              Disk::RotationType(),
                                              SimpleDiskBounds(rMinMax.first, rMinMax.second, zSide - 0.5, zSide + 0.5))
                                      .get());
  }
}

References Disk::build(), firstDisk_, hgcons_, HGCalDDDConstants::rangeR(), and HGCalDDDConstants::waferZ().

Referenced by initialize().

initialize()

void SeedingRegionByTracks::initialize ( const edm::EventSetup &  es )

overridevirtual

Implements ticl::SeedingRegionAlgoBase.

Definition at line 29 of file SeedingRegionByTracks.cc.

                                                              {
  edm::ESHandle<HGCalDDDConstants> hdc = es.getHandle(hdc_token_);
  hgcons_ = hdc.product();
 
  buildFirstLayers();
 
  bfield_ = es.getHandle(bfield_token_);
  propagator_ = es.getHandle(propagator_token_);
}

References bfield_, bfield_token_, buildFirstLayers(), edm::EventSetup::getHandle(), hdc_token_, hgcons_, edm::ESHandle< T >::product(), propagator_, and propagator_token_.

makeRegions()

void SeedingRegionByTracks::makeRegions ( const edm::Event &  ev, const edm::EventSetup &  es, std::vector< TICLSeedingRegion > &  result  )

overridevirtual

Implements ticl::SeedingRegionAlgoBase.

Definition at line 39 of file SeedingRegionByTracks.cc.

                                                                              {
  edm::Handle<reco::TrackCollection> tracks_h;
  ev.getByToken(tracks_token_, tracks_h);
  edm::ProductID trkId = tracks_h.id();
  auto bFieldProd = bfield_.product();
  const Propagator &prop = (*propagator_);
 
  int nTracks = tracks_h->size();
  for (int i = 0; i < nTracks; ++i) {
    const reco::Track &tk = (*tracks_h)[i];
    if (!cutTk_((tk))) {
      continue;
    }
 
    FreeTrajectoryState fts = trajectoryStateTransform::outerFreeState((tk), bFieldProd);
    int iSide = int(tk.eta() > 0);
    TrajectoryStateOnSurface tsos = prop.propagate(fts, firstDisk_[iSide]->surface());
    if (tsos.isValid()) {
      result.emplace_back(tsos.globalPosition(), tsos.globalMomentum(), iSide, i, trkId);
    }
  }
  // sorting seeding region by descending momentum
  std::sort(result.begin(), result.end(), [](const TICLSeedingRegion &a, const TICLSeedingRegion &b) {
    return a.directionAtOrigin.perp2() > b.directionAtOrigin.perp2();
  });
}

References a, b, bfield_, cutTk_, reco::TrackBase::eta(), ev, firstDisk_, mps_fire::i, edm::HandleBase::id(), createfilelist::int, nTracks(), trajectoryStateTransform::outerFreeState(), edm::ESHandle< T >::product(), Propagator::propagate(), mps_fire::result, and tracks_token_.

Member Data Documentation

bfield_

edm::ESHandle<MagneticField> ticl::SeedingRegionByTracks::bfield_

private

Definition at line 50 of file SeedingRegionByTracks.h.

Referenced by initialize(), and makeRegions().

bfield_token_

edm::ESGetToken<MagneticField, IdealMagneticFieldRecord> ticl::SeedingRegionByTracks::bfield_token_

private

Definition at line 53 of file SeedingRegionByTracks.h.

Referenced by initialize().

cutTk_

const StringCutObjectSelector<reco::Track> ticl::SeedingRegionByTracks::cutTk_

private

Definition at line 46 of file SeedingRegionByTracks.h.

Referenced by makeRegions().

detectorName_

const std::string ticl::SeedingRegionByTracks::detectorName_ = "HGCalEESensitive"

inlinestaticprivate

Definition at line 47 of file SeedingRegionByTracks.h.

firstDisk_

std::unique_ptr<GeomDet> ticl::SeedingRegionByTracks::firstDisk_[2]

private

Definition at line 51 of file SeedingRegionByTracks.h.

Referenced by buildFirstLayers(), and makeRegions().

hdc_token_

edm::ESGetToken<HGCalDDDConstants, IdealGeometryRecord> ticl::SeedingRegionByTracks::hdc_token_

private

Definition at line 52 of file SeedingRegionByTracks.h.

Referenced by initialize().

hgcons_

const HGCalDDDConstants* ticl::SeedingRegionByTracks::hgcons_

private

Definition at line 45 of file SeedingRegionByTracks.h.

Referenced by buildFirstLayers(), and initialize().

initializeGeometry_

std::once_flag ticl::SeedingRegionByTracks::initializeGeometry_

private

Definition at line 44 of file SeedingRegionByTracks.h.

propagator_

edm::ESHandle<Propagator> ticl::SeedingRegionByTracks::propagator_

private

Definition at line 48 of file SeedingRegionByTracks.h.

Referenced by initialize().

propagator_token_

edm::ESGetToken<Propagator, TrackingComponentsRecord> ticl::SeedingRegionByTracks::propagator_token_

private

Definition at line 54 of file SeedingRegionByTracks.h.

Referenced by initialize().

propName_

const std::string ticl::SeedingRegionByTracks::propName_

private

Definition at line 49 of file SeedingRegionByTracks.h.

tracks_token_

edm::EDGetTokenT<reco::TrackCollection> ticl::SeedingRegionByTracks::tracks_token_

private

Definition at line 43 of file SeedingRegionByTracks.h.

Referenced by makeRegions().