Inheritance diagram for EcalBarrelClusterFastTimer:

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

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

	~EcalBarrelClusterFastTimer () 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)

Private Member Functions
float	correctTimeToVertex (const float intime, const DetId &timeDet, const reco::Vertex &vtx, const CaloSubdetectorGeometry *ecalGeom) const

std::pair< float, DetId >	getTimeForECALPFCluster (const EcalRecHitCollection &, const reco::PFCluster &) const

Private Attributes
std::vector< std::unique_ptr< const ResolutionModel > >	_resolutions

edm::EDGetTokenT< std::vector< reco::PFCluster > >	ebClustersToken_

edm::EDGetTokenT< EcalRecHitCollection >	ebTimeHitsToken_

const unsigned	ecalDepth_

const float	minEnergy_

const float	minFraction_

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

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

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

Definition at line 35 of file EcalBarrelClusterFastTimer.cc.

Constructor & Destructor Documentation

◆ EcalBarrelClusterFastTimer()

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

Definition at line 78 of file EcalBarrelClusterFastTimer.cc.

     : ebTimeHitsToken_(consumes<EcalRecHitCollection>(conf.getParameter<edm::InputTag>("ebTimeHits"))),
       ebClustersToken_(consumes<std::vector<reco::PFCluster>>(conf.getParameter<edm::InputTag>("ebClusters"))),
       minFraction_(conf.getParameter<double>("minFractionToConsider")),
       minEnergy_(conf.getParameter<double>("minEnergyToConsider")),
       ecalDepth_(conf.getParameter<double>("ecalDepth")) {
   // setup resolution models
   const std::vector<edm::ParameterSet>& resos = conf.getParameterSetVector("resolutionModels");
   for (const auto& reso : resos) {
     const std::string& name = reso.getParameter<std::string>("modelName");
     _resolutions.emplace_back(ResolutionModelFactory::get()->create(name, reso));
  
     // times and time resolutions for general tracks
     produces<edm::ValueMap<float>>(name);
     produces<edm::ValueMap<float>>(name + resolution);
   }
 }

References _resolutions, beamerCreator::create(), get, edm::ParameterSet::getParameterSetVector(), Skims_PA_cff::name, L1TObjectsTimingClient_cff::resolution, and AlCaHLTBitMon_QueryRunRegistry::string.

◆ ~EcalBarrelClusterFastTimer()

EcalBarrelClusterFastTimer::~EcalBarrelClusterFastTimer ( )

inlineoverride

Definition at line 38 of file EcalBarrelClusterFastTimer.cc.

38 {}

Member Function Documentation

◆ correctTimeToVertex()

float EcalBarrelClusterFastTimer::correctTimeToVertex	(	const float	intime,
		const DetId &	timeDet,
		const reco::Vertex &	vtx,
		const CaloSubdetectorGeometry *	ecalGeom
	)		const

private

Definition at line 171 of file EcalBarrelClusterFastTimer.cc.

                                                                                                      {
   if (timeDet.rawId() == 0)
     return -999.;
   // correct the cluster time from 0,0,0 to the primary vertex given
   auto cellGeometry = ecalGeom->getGeometry(timeDet);
   if (nullptr == cellGeometry) {
     throw cms::Exception("BadECALBarrelCell")
         << std::hex << timeDet.rawId() << std::dec << " is not a valid ECAL Barrel DetId!";
   }
   //depth in mm in the middle of the layer position;
   GlobalPoint layerPos = cellGeometry->getPosition(ecalDepth_ + 0.5);
   const math::XYZPoint layerPos_cm(layerPos.x(), layerPos.y(), layerPos.z());
   const math::XYZVector to_center = layerPos_cm - math::XYZPoint(0., 0., 0.);
   const math::XYZVector to_vtx = layerPos_cm - vtx.position();
  
   /*
   std::cout << intime << ' ' << to_center.r()/cm_per_ns << ' ' << to_vtx.r()/cm_per_ns
             << ' ' << intime + to_center.r()/cm_per_ns - to_vtx.r()/cm_per_ns << std::endl;
   */
  
   return intime + to_center.r() / cm_per_ns - to_vtx.r() / cm_per_ns;
 }

References TauDecayModes::dec, ecalDepth_, Exception, CaloSubdetectorGeometry::getGeometry(), DetId::rawId(), badGlobalMuonTaggersAOD_cff::vtx, PV3DBase< T, PVType, FrameType >::x(), PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

◆ getTimeForECALPFCluster()

std::pair< float, DetId > EcalBarrelClusterFastTimer::getTimeForECALPFCluster	(	const EcalRecHitCollection &	timehits,
		const reco::PFCluster &	cluster
	)		const

private

Definition at line 141 of file EcalBarrelClusterFastTimer.cc.

                                                                                                                 {
   const auto& rhfs = cluster.recHitFractions();
   unsigned best_hit = 0;
   float best_energy = -1.f;
   for (const auto& rhf : rhfs) {
     const auto& hitref = rhf.recHitRef();
     const unsigned detid = hitref->detId();
     const auto fraction = rhf.fraction();
     const auto energy = hitref->energy();
     if (fraction < minFraction_ || energy < minEnergy_)
       continue;
     auto timehit = timehits.find(detid);
     float e_hit = rhf.fraction() * hitref->energy();
     if (e_hit > best_energy && timehit->isTimeValid()) {
       best_energy = e_hit;
       best_hit = detid;
     }
   }
  
   float best_time_guess = std::numeric_limits<float>::max();
   if (best_energy > 0.) {
     best_time_guess = timehits.find(best_hit)->time();
   }
  
   //std::cout << "EcalBarrelFastTimer: " << best_time_guess << ' ' << best_energy << ' ' << best_hit << std::endl;
  
   return std::make_pair(best_time_guess, DetId(best_hit));
 }

References HCALHighEnergyHPDFilter_cfi::energy, edm::SortedCollection< T, SORT >::find(), HLT_2018_cff::fraction, SiStripPI::max, minEnergy_, minFraction_, and reco::PFCluster::recHitFractions().

Referenced by produce().

◆ produce()

void EcalBarrelClusterFastTimer::produce	(	edm::StreamID	sid,
		edm::Event &	evt,
		const edm::EventSetup &	es
	)		const

overridevirtual

Implements edm::global::EDProducerBase.

Definition at line 96 of file EcalBarrelClusterFastTimer.cc.

                                                                                                       {
   edm::Handle<std::vector<reco::PFCluster>> clustersH;
   edm::Handle<EcalRecHitCollection> timehitsH;
  
   evt.getByToken(ebClustersToken_, clustersH);
   evt.getByToken(ebTimeHitsToken_, timehitsH);
  
   const auto& clusters = *clustersH;
   const auto& timehits = *timehitsH;
  
   // get event-based seed for RNG
   unsigned int runNum_uint = static_cast<unsigned int>(evt.id().run());
   unsigned int lumiNum_uint = static_cast<unsigned int>(evt.id().luminosityBlock());
   unsigned int evNum_uint = static_cast<unsigned int>(evt.id().event());
   std::uint32_t seed = (lumiNum_uint << 10) + (runNum_uint << 20) + evNum_uint;
   std::mt19937 rng(seed);
  
   std::vector<std::pair<float, DetId>> times;  // perfect times keyed to cluster index
   times.reserve(clusters.size());
  
   for (const auto& cluster : clusters) {
     times.push_back(getTimeForECALPFCluster(timehits, cluster));
   }
  
   for (const auto& reso : _resolutions) {
     const std::string& name = reso->name();
     std::vector<float> resolutions;
     std::vector<float> smeared_times;
     resolutions.reserve(clusters.size());
     smeared_times.reserve(clusters.size());
  
     // smear once then correct to multiple vertices
     for (unsigned i = 0; i < clusters.size(); ++i) {
       const float theresolution = reso->getTimeResolution(clusters[i]);
       std::normal_distribution<float> gausTime(times[i].first, theresolution);
  
       smeared_times.emplace_back(gausTime(rng));
       resolutions.push_back(theresolution);
     }
  
     writeValueMap(evt, clustersH, smeared_times, name);
     writeValueMap(evt, clustersH, resolutions, name + resolution);
   }
 }