Inheritance diagram for PatVertexAnalyzer:

Public Member Functions
virtual void	analyze (const edm::Event &event, const edm::EventSetup &es) override

virtual void	beginJob () override

	PatVertexAnalyzer (const edm::ParameterSet &params)
	constructor and destructor More...

	~PatVertexAnalyzer ()

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

	EDAnalyzer ()

ModuleDescription const &	moduleDescription () const

std::string	workerType () const

virtual	~EDAnalyzer ()

Public Member Functions inherited from edm::EDConsumerBase
	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

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Attributes
edm::EDGetTokenT < reco::GenParticleCollection >	genParticlesToken_

TH1 *	nTracks_

TH1 *	nVertices_

edm::EDGetTokenT < reco::VertexCollection >	srcToken_

TH1 *	x_

TH1 *	xDelta_

TH1 *	xErr_

TH1 *	xPull_

TH1 *	y_

TH1 *	yDelta_

TH1 *	yErr_

TH1 *	yPull_

TH1 *	z_

TH1 *	zDelta_

TH1 *	zErr_

TH1 *	zPull_

Additional Inherited Members
Public Types inherited from edm::EDAnalyzer
typedef EDAnalyzer	ModuleType

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

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &)

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

Definition at line 26 of file PatVertexAnalyzer.cc.

Constructor & Destructor Documentation

PatVertexAnalyzer::PatVertexAnalyzer ( const edm::ParameterSet & params )

constructor and destructor

Definition at line 48 of file PatVertexAnalyzer.cc.

                                                                   :
     srcToken_(consumes<reco::VertexCollection>(params.getParameter<edm::InputTag>("src"))),
     genParticlesToken_(consumes<reco::GenParticleCollection>(params.getParameter<edm::InputTag>("mc")))
 {
 }

PatVertexAnalyzer::~PatVertexAnalyzer ( )

Definition at line 54 of file PatVertexAnalyzer.cc.

55 {

56 }

Member Function Documentation

void PatVertexAnalyzer::analyze	(	const edm::Event &	event,
		const edm::EventSetup &	es
	)

overridevirtual

Implements edm::EDAnalyzer.

Definition at line 80 of file PatVertexAnalyzer.cc.

References genParticlesToken_, nTracks_, nVertices_, MetAnalyzer::pv(), srcToken_, reco::Vertex::tracksSize(), reco::Vertex::x(), x_, xDelta_, xErr_, reco::Vertex::xError(), xPull_, reco::Vertex::y(), y_, yDelta_, yErr_, reco::Vertex::yError(), yPull_, reco::Vertex::z(), z_, zDelta_, zErr_, reco::Vertex::zError(), and zPull_.

 {
     // handle to the primary vertex collection
     edm::Handle<reco::VertexCollection> pvHandle;
     event.getByToken(srcToken_, pvHandle);
 
     // handle to the generator particles (i.e. the MC truth)
     edm::Handle<reco::GenParticleCollection> genParticlesHandle;
     event.getByToken(genParticlesToken_, genParticlesHandle);
 
     // extract the position of the simulated vertex
     math::XYZPoint simPV = (*genParticlesHandle)[2].vertex();
 
     // the number of reconstructed primary vertices
     nVertices_->Fill(pvHandle->size());
 
     // if we have at least one, use the first (highest pt^2 sum)
     if (!pvHandle->empty()) {
         const reco::Vertex &pv = (*pvHandle)[0];
 
         nTracks_->Fill(pv.tracksSize());
 
         x_->Fill(pv.x());
         y_->Fill(pv.y());
         z_->Fill(pv.z());
 
         xErr_->Fill(pv.xError());
         yErr_->Fill(pv.yError());
         zErr_->Fill(pv.zError());
 
         xDelta_->Fill(pv.x() - simPV.X());
         yDelta_->Fill(pv.y() - simPV.Y());
         zDelta_->Fill(pv.z() - simPV.Z());
 
         xPull_->Fill((pv.x() - simPV.X()) / pv.xError());
         yPull_->Fill((pv.y() - simPV.Y()) / pv.yError());
         zPull_->Fill((pv.z() - simPV.Z()) / pv.zError());
 
         // we could access the tracks using the
         // pv.tracks_begin() ... pv.tracks_end() iterators
     }
 }

void PatVertexAnalyzer::beginJob ( void )

overridevirtual

Reimplemented from edm::EDAnalyzer.

Definition at line 58 of file PatVertexAnalyzer.cc.

References TFileService::make(), nTracks_, nVertices_, x_, xDelta_, xErr_, xPull_, y_, yDelta_, yErr_, yPull_, z_, zDelta_, zErr_, and zPull_.

 {
     // retrieve handle to auxiliary service
     //  used for storing histograms into ROOT file
     edm::Service<TFileService> fs;
 
     nVertices_ = fs->make<TH1F>("nVertices", "number of reconstructed primary vertices", 50, 0, 50);
     nTracks_ = fs->make<TH1F>("nTracks", "number of tracks at primary vertex", 100, 0, 300);
     x_ = fs->make<TH1F>("pvX", "primary vertex x", 100, -0.1, 0.1);
     y_ = fs->make<TH1F>("pvY", "primary vertex y", 100, -0.1, 0.1);
     z_ = fs->make<TH1F>("pvZ", "primary vertex z", 100, -30, 30);
     xErr_ = fs->make<TH1F>("pvErrorX", "primary vertex x error", 100, 0, 0.005);
     yErr_ = fs->make<TH1F>("pvErrorY", "primary vertex y error", 100, 0, 0.005);
     zErr_ = fs->make<TH1F>("pvErrorZ", "primary vertex z error", 100, 0, 0.01);
     xDelta_ = fs->make<TH1F>("pvDeltaX", "x shift wrt simulated vertex", 100, -0.01, 0.01);
     yDelta_ = fs->make<TH1F>("pvDeltaY", "y shift wrt simulated vertex", 100, -0.01, 0.01);
     zDelta_ = fs->make<TH1F>("pvDeltaZ", "z shift wrt simulated vertex", 100, -0.02, 0.02);
     xPull_ = fs->make<TH1F>("pvPullX", "primary vertex x pull", 100, -5, 5);
     yPull_ = fs->make<TH1F>("pvPullY", "primary vertex y pull", 100, -5, 5);
     zPull_ = fs->make<TH1F>("pvPullZ", "primary vertex z pull", 100, -5, 5);
 }

Member Data Documentation

edm::EDGetTokenT<reco::GenParticleCollection> PatVertexAnalyzer::genParticlesToken_

private

Definition at line 39 of file PatVertexAnalyzer.cc.

Referenced by analyze().

TH1 * PatVertexAnalyzer::nTracks_

private

Definition at line 41 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1* PatVertexAnalyzer::nVertices_

private

Definition at line 41 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

edm::EDGetTokenT<reco::VertexCollection> PatVertexAnalyzer::srcToken_

private

Definition at line 38 of file PatVertexAnalyzer.cc.

Referenced by analyze().

TH1* PatVertexAnalyzer::x_

private

Definition at line 42 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1* PatVertexAnalyzer::xDelta_

private

Definition at line 44 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1* PatVertexAnalyzer::xErr_

private

Definition at line 43 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1* PatVertexAnalyzer::xPull_

private

Definition at line 45 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1 * PatVertexAnalyzer::y_

private

Definition at line 42 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1 * PatVertexAnalyzer::yDelta_

private

Definition at line 44 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1 * PatVertexAnalyzer::yErr_

private

Definition at line 43 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1 * PatVertexAnalyzer::yPull_

private

Definition at line 45 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1 * PatVertexAnalyzer::z_

private

Definition at line 42 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1 * PatVertexAnalyzer::zDelta_

private

Definition at line 44 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1 * PatVertexAnalyzer::zErr_

private

Definition at line 43 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

TH1 * PatVertexAnalyzer::zPull_

private

Definition at line 45 of file PatVertexAnalyzer.cc.

Referenced by analyze(), and beginJob().

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation