#include <PixelVertexProducerMedian.h>

Inheritance diagram for PixelVertexProducerMedian:

Public Member Functions
	PixelVertexProducerMedian (const edm::ParameterSet &ps)

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

	~PixelVertexProducerMedian () override

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

	EDProducer (const EDProducer &)=delete

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () const final

bool	hasAbilityToProduceInEndRuns () const final

EDProducer &	operator= (const EDProducer &)=delete

bool	wantsGlobalLuminosityBlocks () const final

bool	wantsGlobalRuns () const final

bool	wantsInputProcessBlocks () const final

bool	wantsProcessBlocks () 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

std::vector< ESProxyIndex > const &	esGetTokenIndicesVector (edm::Transition iTrans) const

std::vector< ESRecordIndex > const &	esGetTokenRecordIndicesVector (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::array< std::vector< ModuleDescription const * > , NumBranchTypes > &modulesAll, std::vector< ModuleProcessName > &modulesInPreviousProcesses, 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

void	selectInputProcessBlocks (ProductRegistry const &productRegistry, ProcessBlockHelperBase const &processBlockHelperBase)

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

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

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Private Attributes
edm::ParameterSet	theConfig

double	thePtMin

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 = InEvent>
EDConsumerBaseAdaptor< B >	consumes (edm::InputTag tag) noexcept

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<Transition Tr = Transition::Event>
constexpr auto	esConsumes () noexcept

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

template<Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag tag) noexcept

template<Transition Tr = Transition::Event>
ESGetTokenGeneric	esConsumes (eventsetup::EventSetupRecordKey const &iRecord, eventsetup::DataKey const &iKey)
	Used with EventSetupRecord::doGet. More...

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 12 of file PixelVertexProducerMedian.h.

Constructor & Destructor Documentation

◆ PixelVertexProducerMedian()

PixelVertexProducerMedian::PixelVertexProducerMedian ( const edm::ParameterSet & ps )

explicit

Definition at line 29 of file PixelVertexProducerMedian.cc.

                                                                               : theConfig(ps) {
   thePtMin = theConfig.getParameter<double>("PtMin");
   produces<reco::VertexCollection>();
 }

References edm::ParameterSet::getParameter(), theConfig, and thePtMin.

◆ ~PixelVertexProducerMedian()

PixelVertexProducerMedian::~PixelVertexProducerMedian ( )

override

Definition at line 35 of file PixelVertexProducerMedian.cc.

35 {}

Member Function Documentation

◆ produce()

void PixelVertexProducerMedian::produce	(	edm::StreamID	,
		edm::Event &	ev,
		const edm::EventSetup &	es
	)		const

overridevirtual

Implements edm::global::EDProducerBase.

Definition at line 38 of file PixelVertexProducerMedian.cc.

                                                                                                 {
   // Get pixel tracks
   edm::Handle<reco::TrackCollection> trackCollection;
   std::string trackCollectionName = theConfig.getParameter<std::string>("TrackCollection");
   ev.getByLabel(trackCollectionName, trackCollection);
   const reco::TrackCollection tracks_ = *(trackCollection.product());
  
   // Select tracks
   std::vector<const reco::Track*> tracks;
   for (unsigned int i = 0; i < tracks_.size(); i++) {
     if (tracks_[i].pt() > thePtMin) {
       reco::TrackRef recTrack(trackCollection, i);
       tracks.push_back(&(*recTrack));
     }
   }
  
   LogTrace("MinBiasTracking") << " [VertexProducer] selected tracks: " << tracks.size() << " (out of " << tracks_.size()
                               << ")";
  
   auto vertices = std::make_unique<reco::VertexCollection>();
  
   if (!tracks.empty()) {
     // Sort along vertex z position
     std::sort(tracks.begin(), tracks.end(), ComparePairs());
  
     // Median
     float med;
     if (tracks.size() % 2 == 0)
       med = (tracks[tracks.size() / 2 - 1]->vz() + tracks[tracks.size() / 2]->vz()) / 2;
     else
       med = tracks[tracks.size() / 2]->vz();
  
     LogTrace("MinBiasTracking") << "  [vertex position] median    = " << med << " cm";
  
     if (tracks.size() > 10) {
       // Binning around med, halfWidth
       int nBin = 100;
       float halfWidth = 0.1;  // cm
  
       // Most probable
       TH1F histo("histo", "histo", nBin, -halfWidth, halfWidth);
  
       for (std::vector<const reco::Track*>::const_iterator track = tracks.begin(); track != tracks.end(); track++)
         if (fabs((*track)->vz() - med) < halfWidth)
           histo.Fill((*track)->vz() - med);
  
       LogTrace("MinBiasTracking") << "  [vertex position] most prob = "
                                   << med + histo.GetBinCenter(histo.GetMaximumBin()) << " cm";
  
       // Fit above max/2
       histo.Sumw2();
  
       TF1 f1("f1", "[0]*exp(-0.5 * ((x-[1])/[2])^2) + [3]");
       f1.SetParameters(10., 0., 0.01, 1.);
  
       histo.Fit(&f1, "QN");
  
       LogTrace("MinBiasTracking") << "  [vertex position] fitted    = " << med + f1.GetParameter(1) << " +- "
                                   << f1.GetParError(1) << " cm";
  
       // Store
       reco::Vertex::Error err;
       err(2, 2) = f1.GetParError(1) * f1.GetParError(1);
       reco::Vertex ver(reco::Vertex::Point(0, 0, med + f1.GetParameter(1)), err, 0, 1, 1);
       vertices->push_back(ver);
     } else {
       // Store
       reco::Vertex::Error err;
       err(2, 2) = 0.1 * 0.1;
       reco::Vertex ver(reco::Vertex::Point(0, 0, med), err, 0, 1, 1);
       vertices->push_back(ver);
     }
   }
   ev.put(std::move(vertices));
 }