#include <FastSimulation/TrackFromSeedProducer/plugins/TrackFromSeedProducer.cc>

Inheritance diagram for TrackFromSeedProducer:

Public Member Functions
	TrackFromSeedProducer (const edm::ParameterSet &)

	~TrackFromSeedProducer () override

Public Member Functions inherited from edm::global::EDProducer<>
	EDProducer ()=default

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

bool	wantsStreamLuminosityBlocks () const final

bool	wantsStreamRuns () const final

Public Member Functions inherited from edm::global::EDProducerBase
	EDProducerBase ()

ModuleDescription const &	moduleDescription () const

	~EDProducerBase () override

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

std::vector< bool > const &	recordProvenanceList () const

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

TypeLabelList const &	typeLabelList () const
	used by the fwk to register the list of products of this module More...

	~ProducerBase () noexcept(false) override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase &&)=default

	EDConsumerBase (EDConsumerBase const &)=delete

ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase &	operator= (EDConsumerBase &&)=default

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)

Static Public Member Functions inherited from edm::global::EDProducerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Member Functions
void	produce (edm::StreamID, edm::Event &, const edm::EventSetup &) const override

Private Attributes
edm::EDGetTokenT< reco::BeamSpot >	beamSpotToken

edm::EDGetTokenT< edm::View< TrajectorySeed > >	seedsToken

std::string	tTRHBuilderName

Additional Inherited Members
Public Types inherited from edm::global::EDProducerBase
typedef EDProducerBase	ModuleType

Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex > >

typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Protected Member Functions inherited from edm::ProducerBase
template<class ProductType >
BranchAliasSetterT< ProductType >	produces ()
	declare what type of product will make and with which optional label More...

template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType >	produces ()

template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType >	produces ()

BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<BranchType B>
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<Transition B>
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)

template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

template<class ProductType >
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType >	produces (std::string instanceName)

ProducesCollector	producesCollector ()

Protected Member Functions inherited from edm::EDConsumerBase
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

Detailed Description

Description: [one line class summary]

Implementation: [Notes on implementation]

Definition at line 48 of file TrackFromSeedProducer.cc.

Constructor & Destructor Documentation

◆ TrackFromSeedProducer()

TrackFromSeedProducer::TrackFromSeedProducer ( const edm::ParameterSet & iConfig )

explicit

Definition at line 75 of file TrackFromSeedProducer.cc.

                                                                            {
   //register your products
   produces<reco::TrackCollection>();
   produces<TrackingRecHitCollection>();
   produces<reco::TrackExtraCollection>();
  
   // read parametes
   edm::InputTag seedsTag(iConfig.getParameter<edm::InputTag>("src"));
   edm::InputTag beamSpotTag(iConfig.getParameter<edm::InputTag>("beamSpot"));
   tTRHBuilderName = iConfig.getParameter<std::string>("TTRHBuilder");
  
   //consumes
   seedsToken = consumes<edm::View<TrajectorySeed> >(seedsTag);
   beamSpotToken = consumes<reco::BeamSpot>(beamSpotTag);
 }

References AlignmentProducer_cff::beamSpotTag, beamSpotToken, edm::ParameterSet::getParameter(), uncleanedOnlyElectronSequence_cff::seedsTag, seedsToken, AlCaHLTBitMon_QueryRunRegistry::string, and tTRHBuilderName.

◆ ~TrackFromSeedProducer()

TrackFromSeedProducer::~TrackFromSeedProducer ( )

override

Definition at line 91 of file TrackFromSeedProducer.cc.

91 {}

Member Function Documentation

◆ fillDescriptions()

void TrackFromSeedProducer::fillDescriptions ( edm::ConfigurationDescriptions & descriptions )

static

Definition at line 185 of file TrackFromSeedProducer.cc.

                                                                                        {
   //The following says we do not know what parameters are allowed so do no validation
   // Please change this to state exactly what you do use, even if it is no parameters
   edm::ParameterSetDescription desc;
   desc.setUnknown();
   descriptions.addDefault(desc);
 }

References edm::ConfigurationDescriptions::addDefault(), and edm::ParameterSetDescription::setUnknown().

◆ produce()

void TrackFromSeedProducer::produce	(	edm::StreamID	,
		edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		const

overrideprivatevirtual

Implements edm::global::EDProducerBase.

Definition at line 94 of file TrackFromSeedProducer.cc.

                                                                                                     {
   using namespace edm;
   using namespace reco;
   using namespace std;
  
   // output collection
   unique_ptr<TrackCollection> tracks(new TrackCollection);
   unique_ptr<TrackingRecHitCollection> rechits(new TrackingRecHitCollection);
   unique_ptr<TrackExtraCollection> trackextras(new TrackExtraCollection);
  
   // product references
   TrackExtraRefProd ref_trackextras = iEvent.getRefBeforePut<TrackExtraCollection>();
   TrackingRecHitRefProd ref_rechits = iEvent.getRefBeforePut<TrackingRecHitCollection>();
  
   // input collection
   Handle<edm::View<TrajectorySeed> > hseeds;
   iEvent.getByToken(seedsToken, hseeds);
   const auto& seeds = *hseeds;
  
   // beam spot
   edm::Handle<reco::BeamSpot> beamSpot;
   iEvent.getByToken(beamSpotToken, beamSpot);
  
   // some objects to build to tracks
   TSCBLBuilderNoMaterial tscblBuilder;
  
   edm::ESHandle<TransientTrackingRecHitBuilder> tTRHBuilder;
   iSetup.get<TransientRecHitRecord>().get(tTRHBuilderName, tTRHBuilder);
  
   edm::ESHandle<MagneticField> theMF;
   iSetup.get<IdealMagneticFieldRecord>().get(theMF);
  
   edm::ESHandle<TrackerTopology> httopo;
   iSetup.get<TrackerTopologyRcd>().get(httopo);
   const TrackerTopology& ttopo = *httopo;
  
   // create tracks from seeds
   int nfailed = 0;
   for (size_t iSeed = 0; iSeed < seeds.size(); ++iSeed) {
     auto const& seed = seeds[iSeed];
     // try to create a track
     TransientTrackingRecHit::RecHitPointer lastRecHit = tTRHBuilder->build(&*(seed.recHits().second - 1));
     TrajectoryStateOnSurface state =
         trajectoryStateTransform::transientState(seed.startingState(), lastRecHit->surface(), theMF.product());
     TrajectoryStateClosestToBeamLine tsAtClosestApproachSeed =
         tscblBuilder(*state.freeState(), *beamSpot);  //as in TrackProducerAlgorithm
     if (tsAtClosestApproachSeed.isValid()) {
       const reco::TrackBase::Point vSeed1(tsAtClosestApproachSeed.trackStateAtPCA().position().x(),
                                           tsAtClosestApproachSeed.trackStateAtPCA().position().y(),
                                           tsAtClosestApproachSeed.trackStateAtPCA().position().z());
       const reco::TrackBase::Vector pSeed(tsAtClosestApproachSeed.trackStateAtPCA().momentum().x(),
                                           tsAtClosestApproachSeed.trackStateAtPCA().momentum().y(),
                                           tsAtClosestApproachSeed.trackStateAtPCA().momentum().z());
       //GlobalPoint vSeed(vSeed1.x()-beamSpot->x0(),vSeed1.y()-beamSpot->y0(),vSeed1.z()-beamSpot->z0());
       PerigeeTrajectoryError seedPerigeeErrors =
           PerigeeConversions::ftsToPerigeeError(tsAtClosestApproachSeed.trackStateAtPCA());
       tracks->emplace_back(0., 0., vSeed1, pSeed, state.charge(), seedPerigeeErrors.covarianceMatrix());
     } else {
       edm::LogVerbatim("SeedValidator") << "TrajectoryStateClosestToBeamLine not valid";
       // use magic values chi2<0, ndof<0, charge=0 to denote a case where the fit has failed
       // If this definition is changed, change also interface/trackFromSeedFitFailed.h
       tracks->emplace_back(
           -1, -1, reco::TrackBase::Point(), reco::TrackBase::Vector(), 0, reco::TrackBase::CovarianceMatrix());
       nfailed++;
     }
  
     tracks->back().appendHits(seed.recHits().first, seed.recHits().second, ttopo);
     // store the hits
     size_t firsthitindex = rechits->size();
     for (auto hitit = seed.recHits().first; hitit != seed.recHits().second; ++hitit) {
       rechits->push_back(*hitit);
     }
  
     // create a trackextra, just to store the hit range
     trackextras->push_back(TrackExtra());
     trackextras->back().setHits(ref_rechits, firsthitindex, rechits->size() - firsthitindex);
     trackextras->back().setSeedRef(edm::RefToBase<TrajectorySeed>(hseeds, iSeed));
     // create link between track and trackextra
     tracks->back().setExtra(TrackExtraRef(ref_trackextras, trackextras->size() - 1));
   }
  
   if (nfailed > 0) {
     edm::LogInfo("SeedValidator") << "failed to create tracks from " << nfailed << " out of " << seeds.size()
                                   << " seeds ";
   }
   iEvent.put(std::move(tracks));
   iEvent.put(std::move(rechits));
   iEvent.put(std::move(trackextras));
 }