#include <TrackingPFG/PileUp/src/MCvsRecoVerticesAnalyzer.cc>

Inheritance diagram for MCvsRecoVerticesAnalyzer:

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

	~MCvsRecoVerticesAnalyzer ()

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

bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)

virtual	~EDConsumerBase ()

Private Member Functions
virtual void	analyze (const edm::Event &, const edm::EventSetup &)

virtual void	beginJob ()

virtual void	beginRun (const edm::Run &, const edm::EventSetup &)

virtual void	endJob ()

virtual void	endRun (const edm::Run &, const edm::EventSetup &)

Private Attributes
edm::EDGetTokenT< double >	m_doubleToken

TH1F *	m_hclosestvtx

TH2F *	m_hclosestvtxvsnpu

TH1F *	m_hdeltazclose

TH2F *	m_hdeltazclosevsnpu

TH1F *	m_hdeltazfirst

TH2F *	m_hdeltazfirstvsnpu

edm::EDGetTokenT < edm::HepMCProduct >	m_hepMCProductToken

const edm::ParameterSet	m_histoParameters

TH2F *	m_hrecovsmclumi2d

TProfile *	m_hrecovsmclumiprof

TProfile *	m_hrecovsmclumiweightedprof

TH2F *	m_hrecovsmcnvtx2d

TProfile *	m_hrecovsmcnvtxprof

TProfile *	m_hrecovsmcnvtxweightedprof

edm::EDGetTokenT < reco::VertexCollection >	m_recoVertexCollectionToken

const bool	m_useVisibleVertices

const bool	m_useweight

edm::EDGetTokenT< std::vector < PileupSummaryInfo > >	m_vecPileupSummaryInfoToken

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

Description: <one line="" class="" summary>="">

Implementation: <Notes on="" implementation>="">

Definition at line 59 of file MCvsRecoVerticesAnalyzer.cc.

Constructor & Destructor Documentation

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

explicit

Definition at line 111 of file MCvsRecoVerticesAnalyzer.cc.

References edm::ParameterSet::getUntrackedParameter(), m_hclosestvtx, m_hclosestvtxvsnpu, m_hdeltazclose, m_hdeltazclosevsnpu, m_hdeltazfirst, m_hdeltazfirstvsnpu, m_histoParameters, m_hrecovsmclumi2d, m_hrecovsmclumiprof, m_hrecovsmclumiweightedprof, m_hrecovsmcnvtx2d, m_hrecovsmcnvtxprof, m_hrecovsmcnvtxweightedprof, m_useVisibleVertices, m_useweight, and TFileService::make().

   : m_useweight( iConfig.getParameter< bool >( "useWeight" ) )
   , m_useVisibleVertices( iConfig.getParameter< bool >( "useVisibleVertices" ) )
   , m_histoParameters( iConfig.getUntrackedParameter< edm::ParameterSet >( "histoParameters", edm::ParameterSet() ) )
   , m_doubleToken( consumes< double >( iConfig.getParameter< edm::InputTag >( "weightProduct" ) ) )
   , m_vecPileupSummaryInfoToken( consumes< std::vector<PileupSummaryInfo> >( iConfig.getParameter< edm::InputTag >( "pileupSummaryCollection" ) ) )
   , m_recoVertexCollectionToken( consumes< reco::VertexCollection >( iConfig.getParameter< edm::InputTag >( "pvCollection" ) ) )
   , m_hepMCProductToken( consumes< edm::HepMCProduct >( iConfig.getParameter< edm::InputTag >( "mcTruthCollection" ) ) )
 {
    //now do what ever initialization is needed
 
   if(m_useVisibleVertices) edm::LogInfo("UseVisibleVertices") << "Only visible vertices will be used to compute Npileup";
 
   edm::Service<TFileService> tfserv;
 
   m_hrecovsmcnvtx2d = tfserv->make<TH2F>("recovsmcnvtx2d","Number of reco vertices vs pileup interactions",60,-0.5,59.5,60,-0.5,59.5);
   m_hrecovsmcnvtx2d->GetXaxis()->SetTitle("Pileup Interactions");  m_hrecovsmcnvtx2d->GetYaxis()->SetTitle("Reco Vertices");
   m_hrecovsmcnvtxprof = tfserv->make<TProfile>("recovsmcnvtxprof","Mean number of reco vs pileup vertices",60,-0.5,59.5);
   m_hrecovsmcnvtxprof->GetXaxis()->SetTitle("Pileup Interactions");  m_hrecovsmcnvtxprof->GetYaxis()->SetTitle("Reco Vertices");
 
   m_hrecovsmclumi2d = tfserv->make<TH2F>("recovsmclumi2d","Number of reco vertices vs ave pileup interactions",200,0.,50.,60,-0.5,59.5);
   m_hrecovsmclumi2d->GetXaxis()->SetTitle("Average Pileup Interactions");  m_hrecovsmclumi2d->GetYaxis()->SetTitle("Reco Vertices");
   m_hrecovsmclumiprof = tfserv->make<TProfile>("recovsmclumiprof","Mean number of reco vs ave pileup vertices",200,0.,50.);
   m_hrecovsmclumiprof->GetXaxis()->SetTitle("Average Pileup Interactions");  m_hrecovsmclumiprof->GetYaxis()->SetTitle("Reco Vertices");
 
   if(m_useweight) {
     m_hrecovsmcnvtxweightedprof = tfserv->make<TProfile>("recovsmcnvtxweightedprof","Mean number of reco vs pileup vertices (1-w) weight",60,-0.5,59.5);
     m_hrecovsmcnvtxweightedprof->GetXaxis()->SetTitle("Pileup Interactions");  m_hrecovsmcnvtxweightedprof->GetYaxis()->SetTitle("Reco Vertices (1-w)");
 
     m_hrecovsmclumiweightedprof = tfserv->make<TProfile>("recovsmclumiweightedprof","Mean number of reco vs ave pileup vertices (1-w) weight",
                              200,0.,50.);
     m_hrecovsmclumiweightedprof->GetXaxis()->SetTitle("Average Pileup Interactions");  
     m_hrecovsmclumiweightedprof->GetYaxis()->SetTitle("Reco Vertices (1-w)");
   }
 
   m_hdeltazfirst = tfserv->make<TH1F>("deltazfirst","Reco-MC vertex z position (first vertex)",
                       m_histoParameters.getUntrackedParameter<unsigned int>("zBins",1000),
                       m_histoParameters.getUntrackedParameter<double>("zMin",-1.),
                       m_histoParameters.getUntrackedParameter<double>("zMax",1.));
   m_hdeltazfirst->GetXaxis()->SetTitle("#Delta z (cm)");  m_hdeltazfirst->GetYaxis()->SetTitle("Events");
 
   m_hdeltazclose = tfserv->make<TH1F>("deltazclose","Reco-MC vertex z position (closest vertex)",
                       m_histoParameters.getUntrackedParameter<unsigned int>("zBins",1000),
                       m_histoParameters.getUntrackedParameter<double>("zMin",-1.),
                       m_histoParameters.getUntrackedParameter<double>("zMax",1.));
   m_hdeltazclose->GetXaxis()->SetTitle("#Delta z (cm)");  m_hdeltazclose->GetYaxis()->SetTitle("Events");
 
   m_hclosestvtx = tfserv->make<TH1F>("closestvtx","Closest reco vtx ID",30,-0.5,29.5);
   m_hclosestvtx->GetXaxis()->SetTitle("Vtx ID");  m_hclosestvtx->GetYaxis()->SetTitle("Events");
 
   m_hdeltazfirstvsnpu = tfserv->make<TH2F>("deltazfirstvsnpu","Reco-MC vertex z position (first vertex) vs Npileup",30,-0.5,29.5,
                       m_histoParameters.getUntrackedParameter<unsigned int>("zBins",1000),
                       m_histoParameters.getUntrackedParameter<double>("zMin",-1.),
                       m_histoParameters.getUntrackedParameter<double>("zMax",1.));
   m_hdeltazfirstvsnpu->GetXaxis()->SetTitle("pileup Interactions");  m_hdeltazfirstvsnpu->GetYaxis()->SetTitle("#Delta z (cm)");  
 
   m_hdeltazclosevsnpu = tfserv->make<TH2F>("deltazclosevsnpu","Reco-MC vertex z position (closest vertex) v Npileup",30,-0.5,29.5,
                       m_histoParameters.getUntrackedParameter<unsigned int>("zBins",1000),
                       m_histoParameters.getUntrackedParameter<double>("zMin",-1.),
                       m_histoParameters.getUntrackedParameter<double>("zMax",1.));
   m_hdeltazclosevsnpu->GetXaxis()->SetTitle("Pileup Interactions");  m_hdeltazclosevsnpu->GetYaxis()->SetTitle("#Delta z (cm)");
 
   m_hclosestvtxvsnpu = tfserv->make<TH2F>("closestvtxvsnpu","Closest reco vtx ID vs Npileup",30,-0.5,29.5,30,-0.5,29.5);
   m_hclosestvtxvsnpu->GetXaxis()->SetTitle("Pileup Interactions");  m_hclosestvtxvsnpu->GetYaxis()->SetTitle("Vtx ID");
 
 }

MCvsRecoVerticesAnalyzer::~MCvsRecoVerticesAnalyzer ( )

Definition at line 179 of file MCvsRecoVerticesAnalyzer.cc.

 {
 
    // do anything here that needs to be done at desctruction time
    // (e.g. close files, deallocate resources etc.)
 
 }

Member Function Documentation

void MCvsRecoVerticesAnalyzer::analyze	(	const edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

privatevirtual

Implements edm::EDAnalyzer.

Definition at line 194 of file MCvsRecoVerticesAnalyzer.cc.

References funct::abs(), edm::Event::getByToken(), m_doubleToken, m_hclosestvtx, m_hclosestvtxvsnpu, m_hdeltazclose, m_hdeltazclosevsnpu, m_hdeltazfirst, m_hdeltazfirstvsnpu, m_hepMCProductToken, m_hrecovsmclumi2d, m_hrecovsmclumiprof, m_hrecovsmclumiweightedprof, m_hrecovsmcnvtx2d, m_hrecovsmcnvtxprof, m_hrecovsmcnvtxweightedprof, m_recoVertexCollectionToken, m_useVisibleVertices, m_useweight, m_vecPileupSummaryInfoToken, histoStyle::weight, and detailsBasic3DVector::z.

 {
   
   double weight = 1.;
   
   if(m_useweight) {
     edm::Handle< double > weightprod;
     iEvent.getByToken( m_doubleToken, weightprod );
     
     weight = *weightprod;
     
   }
   
   edm::Handle< std::vector<PileupSummaryInfo> > pileupinfos;
   iEvent.getByToken( m_vecPileupSummaryInfoToken, pileupinfos );
 
   // look for the intime PileupSummaryInfo
 
   std::vector<PileupSummaryInfo>::const_iterator pileupinfo;
 
   for(pileupinfo = pileupinfos->begin(); pileupinfo != pileupinfos->end() ; ++pileupinfo) {
 
     if(pileupinfo->getBunchCrossing()==0) break;
 
   } 
   
   //
   
   edm::Handle< reco::VertexCollection > pvcoll;
   iEvent.getByToken( m_recoVertexCollectionToken, pvcoll );
   
 
    //
 
   if(pileupinfo->getBunchCrossing()!=0) {
 
     edm::LogError("NoInTimePileUpInfo") << "Cannot find the in-time pileup info " << pileupinfo->getBunchCrossing();
 
   }
   else {
 
     int npileup = pileupinfo->getPU_NumInteractions();
 
     if(m_useVisibleVertices) npileup = pileupinfo->getPU_zpositions().size();
 
     m_hrecovsmcnvtx2d->Fill(npileup,pvcoll->size(),weight);
     m_hrecovsmcnvtxprof->Fill(npileup,pvcoll->size(),weight);
 
     m_hrecovsmclumi2d->Fill(pileupinfo->getTrueNumInteractions(),pvcoll->size(),weight);
     m_hrecovsmclumiprof->Fill(pileupinfo->getTrueNumInteractions(),pvcoll->size(),weight);
 
     if(m_useweight) {
       m_hrecovsmcnvtxweightedprof->Fill(npileup,pvcoll->size(),1.-weight);
       m_hrecovsmclumiweightedprof->Fill(pileupinfo->getTrueNumInteractions(),pvcoll->size(),1.-weight);
     }
     //
     
     edm::Handle< edm::HepMCProduct > EvtHandle ;
     iEvent.getByToken( m_hepMCProductToken, EvtHandle );
     
     const HepMC::GenEvent* Evt = EvtHandle->GetEvent();
     
     // compute the difference between the main interaction vertex z position and the first vertex of the collection
     
     if(pvcoll->size() !=0) {
       if(!(*pvcoll)[0].isFake()) {
     // get the first vertex
     if(Evt->vertices_begin() != Evt->vertices_end()) {
       m_hdeltazfirst->Fill((*pvcoll)[0].z()-(*Evt->vertices_begin())->point3d().z()/10.,weight);
       m_hdeltazfirstvsnpu->Fill(npileup,(*pvcoll)[0].z()-(*Evt->vertices_begin())->point3d().z()/10.,weight);
     }
       }
     }
     
     // compute the difference between the main interaction vertex z position and the closest reco vertex  
     
     double minabsdist = -1.;
     double mindist = -999.;
     int closestvtx = -1;
     
     for(unsigned int ivtx = 0 ; ivtx < pvcoll->size() ; ++ivtx) {
       
       if(closestvtx < 0 || minabsdist > std::abs((*pvcoll)[ivtx].z()-(*Evt->vertices_begin())->point3d().z()/10.)) {
     mindist = (*pvcoll)[ivtx].z()-(*Evt->vertices_begin())->point3d().z()/10.;
     closestvtx = ivtx;
     minabsdist = std::abs(mindist);
       }
       
     }
     if(closestvtx >= 0) {
       m_hdeltazclose->Fill(mindist,weight);
       m_hdeltazclosevsnpu->Fill(npileup,mindist,weight);
       m_hclosestvtx->Fill(closestvtx,weight);
       m_hclosestvtxvsnpu->Fill(npileup,closestvtx,weight);
     }
     
   }
 }