Produces a list containing a single vertex selected by some criteria. More...

#include "PhysicsTools/PatAlgos/plugins/PATSingleVertexSelector.h"

Inheritance diagram for pat::PATSingleVertexSelector:

Public Member Functions
virtual bool	filter (edm::Event &iEvent, const edm::EventSetup &iSetup) override

	PATSingleVertexSelector (const edm::ParameterSet &iConfig)

	~PATSingleVertexSelector ()

Public Member Functions inherited from edm::stream::EDFilter<>
	EDFilter ()=default

Public Member Functions inherited from edm::stream::EDFilterBase
	EDFilterBase ()

ModuleDescription const &	moduleDescription () const

virtual	~EDFilterBase ()

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

	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

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

virtual	~ProducerBase ()

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

	EDConsumerBase ()

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

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

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

std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesDependentUpon (const std::string &iProcessName, std::vector< const char * > &oModuleLabels) const

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

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Types
typedef StringCutObjectSelector < reco::Candidate >	CandSel

enum	Mode { First, NearestToCand, FromCand, FromBeamSpot }

typedef StringCutObjectSelector < reco::Vertex >	VtxSel

Private Member Functions
std::auto_ptr< std::vector < reco::Vertex > >	filter_ (Mode mode, const edm::Event &iEvent, const edm::EventSetup &iSetup)

bool	hasMode_ (Mode mode) const

Mode	parseMode (const std::string &name) const

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

reco::CandidatePtr	bestCand_

std::vector< edm::EDGetTokenT < edm::View< reco::Candidate > > >	candidatesToken_

const CandSel	candPreselection_

bool	doFilterEvents_

std::vector< Mode >	modes_

std::vector< reco::VertexRef >	selVtxs_

edm::EDGetTokenT< std::vector < reco::Vertex > >	verticesToken_

const VtxSel	vtxPreselection_

Additional Inherited Members
Public Types inherited from edm::stream::EDFilter<>
typedef CacheContexts< T...>	CacheTypes

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T...>	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT < LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	RunSummaryCache

Public Types inherited from edm::stream::EDFilterBase
typedef EDFilterAdaptorBase	ModuleType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, 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 ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

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

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

Detailed Description

Produces a list containing a single vertex selected by some criteria.

Author: Giovanni Petrucciani

Version

Id:: PATSingleVertexSelector.h,v 1.5 2011/06/15 11:47:25 friis Exp

Definition at line 28 of file PATSingleVertexSelector.h.

Member Typedef Documentation

typedef StringCutObjectSelector<reco::Candidate> pat::PATSingleVertexSelector::CandSel

private

Definition at line 40 of file PATSingleVertexSelector.h.

typedef StringCutObjectSelector<reco::Vertex> pat::PATSingleVertexSelector::VtxSel

private

Definition at line 39 of file PATSingleVertexSelector.h.

Member Enumeration Documentation

enum pat::PATSingleVertexSelector::Mode

private

Enumerator
First
NearestToCand
FromCand
FromBeamSpot

Definition at line 38 of file PATSingleVertexSelector.h.

38 { First, NearestToCand, FromCand, FromBeamSpot };

pat::PATSingleVertexSelector::FromBeamSpot

Definition: PATSingleVertexSelector.h:38

pat::PATSingleVertexSelector::FromCand

Definition: PATSingleVertexSelector.h:38

pat::PATSingleVertexSelector::First

Definition: PATSingleVertexSelector.h:38

pat::PATSingleVertexSelector::NearestToCand

Definition: PATSingleVertexSelector.h:38

Constructor & Destructor Documentation

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

explicit

Definition at line 29 of file PATSingleVertexSelector.cc.

References candidatesToken_, edm::EDConsumerBase::consumes(), edm::ParameterSet::exists(), First, FromCand, edm::ParameterSet::getParameter(), hasMode_(), modes_, NearestToCand, parseMode(), AlCaHLTBitMon_QueryRunRegistry::string, GlobalPosition_Frontier_DevDB_cff::tag, edm::vector_transform(), and verticesToken_.

                                                                                 : 
   vtxPreselection_( iConfig.existsAs<std::string>("vertexPreselection") ? iConfig.getParameter<std::string>("vertexPreselection") : std::string(" 1 == 1 ") ), 
   candPreselection_( iConfig.existsAs<std::string>("candidatePreselection") ? iConfig.getParameter<std::string>("candidatePreselection") : std::string(" 1 == 1 ") ),
   doFilterEvents_(false)
 {
    using namespace std;
 
    modes_.push_back( parseMode(iConfig.getParameter<std::string>("mode")) );
    if (iConfig.exists("fallbacks")) {
       vector<string> modes = iConfig.getParameter<vector<string> >("fallbacks");
       for (vector<string>::const_iterator it = modes.begin(), ed = modes.end(); it != ed; ++it) {
         modes_.push_back( parseMode(*it) );
       }
    }
    if (hasMode_(First) || hasMode_(NearestToCand)) {
         verticesToken_ = consumes<vector<reco::Vertex> >(iConfig.getParameter<edm::InputTag>("vertices"));        
    }
    if (hasMode_(NearestToCand) || hasMode_(FromCand)) {
         candidatesToken_ = edm::vector_transform(iConfig.getParameter<vector<edm::InputTag> >("candidates"), [this](edm::InputTag const & tag){return consumes<edm::View<reco::Candidate> >(tag);});        
    }
    if (hasMode_(FromBeamSpot)) {
         beamSpotToken_ = consumes<reco::BeamSpot>(iConfig.getParameter<edm::InputTag>("beamSpot"));
    }
 
    if ( iConfig.exists("filter") ) doFilterEvents_ = iConfig.getParameter<bool>("filter");
 
    produces<vector<reco::Vertex> >();
 }

PATSingleVertexSelector::~PATSingleVertexSelector ( )

Definition at line 59 of file PATSingleVertexSelector.cc.

60 {

61 }

Member Function Documentation

bool PATSingleVertexSelector::filter	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

overridevirtual

Implements edm::stream::EDFilterBase.

Definition at line 68 of file PATSingleVertexSelector.cc.

References bestCand_, candidatesToken_, candPreselection_, HLT_25ns14e33_v1_cff::distance, doFilterEvents_, filter_(), First, FromCand, edm::Event::getByToken(), hasMode_(), modes_, NearestToCand, edm::Event::put(), query::result, selVtxs_, HLT_25ns14e33_v1_cff::vertices, verticesToken_, and vtxPreselection_.

                                                                                {
   using namespace edm;
   using namespace std;
 
   // Clear
   selVtxs_.clear(); bestCand_ = reco::CandidatePtr();
   
   // Gather data from the Event
   // -- vertex data --
   if (hasMode_(First) || hasMode_(NearestToCand)) {
     Handle<vector<reco::Vertex> > vertices;
     iEvent.getByToken(verticesToken_, vertices);
     for (vector<reco::Vertex>::const_iterator itv = vertices->begin(), edv = vertices->end(); itv != edv; ++itv) {
       if ( !(vtxPreselection_(*itv)) ) continue;
       selVtxs_.push_back( reco::VertexRef(vertices,std::distance(vertices->begin(),itv) ) );
     }
   }
   // -- candidate data --
   if (hasMode_(NearestToCand) || hasMode_(FromCand)) {
     vector<pair<double, reco::CandidatePtr> > cands;
     for (vector<edm::EDGetTokenT<edm::View<reco::Candidate> > >::const_iterator itt = candidatesToken_.begin(), edt = candidatesToken_.end(); itt != edt; ++itt) {
       Handle<View<reco::Candidate> > theseCands;
       iEvent.getByToken(*itt, theseCands);
       for (View<reco::Candidate>::const_iterator itc = theseCands->begin(), edc = theseCands->end(); itc != edc; ++itc) {
         if ( !(candPreselection_(*itc)) ) continue;
         cands.push_back( pair<double, reco::CandidatePtr>(-itc->pt(), reco::CandidatePtr(theseCands,std::distance(theseCands->begin(),itc) ) ) );
       }
     }
     if (!cands.empty()) bestCand_ = cands.front().second;
   }
   
   bool passes = false;
   auto_ptr<vector<reco::Vertex> > result;
   // Run main mode + possible fallback modes
   for (std::vector<Mode>::const_iterator itm = modes_.begin(), endm = modes_.end(); itm != endm; ++itm) {
     result = filter_(*itm, iEvent, iSetup);
     // Check if we got any vertices.  If so, take them.
     if (result->size()) {
       passes = true;
       break;
     }
   }
   iEvent.put(result);
   // Check if we want to apply the EDFilter
   if (doFilterEvents_)
     return passes;
   else return true;
 }

std::auto_ptr< std::vector< reco::Vertex > > PATSingleVertexSelector::filter_	(	Mode	mode,
		const edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

private

Definition at line 118 of file PATSingleVertexSelector.cc.

References funct::abs(), SiPixelRawToDigiRegional_cfi::beamSpot, beamSpotToken_, bestCand_, First, FromBeamSpot, FromCand, edm::Event::getByToken(), edm::Ref< C, T, F >::isNonnull(), edm::Ptr< T >::isNull(), NearestToCand, query::result, selVtxs_, and eostools::which().

Referenced by filter().

                                                                                                 {
   using namespace edm;
   using namespace std;
   std::auto_ptr<std::vector<reco::Vertex> > result(new std::vector<reco::Vertex>());
   switch(mode) {
   case First: {
     if (selVtxs_.empty()) return result;
     result->push_back(*selVtxs_.front());
     return result;
   }
   case FromCand: {
     if (bestCand_.isNull()) return result;
     reco::Vertex vtx;
     if (typeid(*bestCand_) == typeid(reco::VertexCompositeCandidate)) {
       vtx = reco::Vertex(bestCand_->vertex(), bestCand_->vertexCovariance(),
                          bestCand_->vertexChi2(), bestCand_->vertexNdof(), bestCand_->numberOfDaughters() );
     } else {
       vtx = reco::Vertex(bestCand_->vertex(), reco::Vertex::Error(), 0, 0, 0);
     }
     result->push_back(vtx);
     return result;
   }
   case NearestToCand: {
     if (selVtxs_.empty() || (bestCand_.isNull())) return result;
     reco::VertexRef which;
     float dzmin = 9999.0;
     for (auto itv = selVtxs_.begin(), edv = selVtxs_.end(); itv != edv; ++itv) {
       float dz = std::abs((*itv)->z() - bestCand_->vz());
       if (dz < dzmin) { dzmin = dz; which = *itv; }
     }
     if (which.isNonnull()) // actually it should not happen, but better safe than sorry
       result->push_back(*which);
     return result;
   }
   case FromBeamSpot: {
     Handle<reco::BeamSpot> beamSpot;
     iEvent.getByToken(beamSpotToken_, beamSpot);
     reco::Vertex bs(beamSpot->position(), beamSpot->covariance3D(), 0, 0, 0);
     result->push_back(bs);
     return result;
   }
   default:
     // Return an empty vector signifying no vertices found.
     return result;
   }
 }

bool PATSingleVertexSelector::hasMode_ ( Mode mode ) const

private

Definition at line 63 of file PATSingleVertexSelector.cc.

References spr::find(), alignBH_cfg::mode, and modes_.

Referenced by filter(), and PATSingleVertexSelector().

                                                       {
     return (std::find(modes_.begin(), modes_.end(), mode) != modes_.end());
 }

PATSingleVertexSelector::Mode PATSingleVertexSelector::parseMode ( const std::string & name ) const

private

Definition at line 14 of file PATSingleVertexSelector.cc.

References Exception, First, FromBeamSpot, FromCand, and NearestToCand.

Referenced by PATSingleVertexSelector().

                                                               {
     if (mode == "firstVertex") {
         return First;
     } else if (mode == "nearestToCandidate") {
         return NearestToCand;
     } else if (mode == "fromCandidate") {
         return FromCand;
     } else if (mode == "beamSpot") {
         return FromBeamSpot;
     } else {
         throw cms::Exception("Configuration") << "PATSingleVertexSelector: Mode '" << mode << "' not recognized or not supported.\n";
     }
 }

Member Data Documentation

edm::EDGetTokenT<reco::BeamSpot> pat::PATSingleVertexSelector::beamSpotToken_

private

Definition at line 53 of file PATSingleVertexSelector.h.

Referenced by filter_().

reco::CandidatePtr pat::PATSingleVertexSelector::bestCand_

private

Definition at line 56 of file PATSingleVertexSelector.h.

Referenced by filter(), and filter_().

std::vector<edm::EDGetTokenT<edm::View<reco::Candidate> > > pat::PATSingleVertexSelector::candidatesToken_

private

Definition at line 50 of file PATSingleVertexSelector.h.

Referenced by filter(), and PATSingleVertexSelector().

const CandSel pat::PATSingleVertexSelector::candPreselection_

private

Definition at line 52 of file PATSingleVertexSelector.h.

Referenced by filter().

bool pat::PATSingleVertexSelector::doFilterEvents_

private

Definition at line 61 of file PATSingleVertexSelector.h.

Referenced by filter().

std::vector<Mode> pat::PATSingleVertexSelector::modes_

private

Definition at line 48 of file PATSingleVertexSelector.h.

Referenced by filter(), hasMode_(), and PATSingleVertexSelector().

std::vector<reco::VertexRef> pat::PATSingleVertexSelector::selVtxs_

private

Definition at line 55 of file PATSingleVertexSelector.h.

Referenced by filter(), and filter_().

edm::EDGetTokenT<std::vector<reco::Vertex> > pat::PATSingleVertexSelector::verticesToken_

private

Definition at line 49 of file PATSingleVertexSelector.h.

Referenced by filter(), and PATSingleVertexSelector().

const VtxSel pat::PATSingleVertexSelector::vtxPreselection_

private

Definition at line 51 of file PATSingleVertexSelector.h.

Referenced by filter().

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation