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

Inheritance diagram for MCVerticesAnalyzer:

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

	~MCVerticesAnalyzer ()

Public Member Functions inherited from edm::one::EDAnalyzer< edm::one::SharedResources >
	EDAnalyzer ()=default

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

	EDAnalyzerBase ()

ModuleDescription const &	moduleDescription () const

virtual	~EDAnalyzerBase ()

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 (std::string const &iProcessName, std::string const &iModuleLabel, bool iPrint, std::vector< char const * > &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 Member Functions
virtual void	analyze (const edm::Event &, const edm::EventSetup &)

Private Attributes
edm::EDGetTokenT< double >	m_doubleToken

edm::EDGetTokenT < edm::HepMCProduct >	m_hepMCProductToken

TH1F *	m_hlumi

TH1F *	m_hmainvtxx

TH1F *	m_hmainvtxy

TH1F *	m_hmainvtxz

TH1F *	m_hnvtx

TH2F *	m_hnvtxvsbx

TH2F *	m_hnvtxvslumi

TH1F *	m_hnvtxweight

TProfile *	m_hnvtxweightprof

TH1F *	m_hpileupvtxz

const bool	m_useweight

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

Additional Inherited Members
Public Types inherited from edm::one::EDAnalyzerBase
typedef EDAnalyzerBase	ModuleType

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::one::EDAnalyzerBase
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

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

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

Definition at line 57 of file MCVerticesAnalyzer.cc.

Constructor & Destructor Documentation

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

explicit

Definition at line 99 of file MCVerticesAnalyzer.cc.

References m_hlumi, m_hmainvtxx, m_hmainvtxy, m_hmainvtxz, m_hnvtx, m_hnvtxvsbx, m_hnvtxvslumi, m_hnvtxweight, m_hnvtxweightprof, m_hpileupvtxz, m_useweight, and TFileService::make().

   : m_useweight( iConfig.getParameter< bool >( "useWeight" ) )
   , m_doubleToken( consumes< double >( iConfig.getParameter< edm::InputTag >( "weightProduct" ) ) )
   , m_vecPileupSummaryInfoToken( consumes< std::vector<PileupSummaryInfo> >( iConfig.getParameter< edm::InputTag >( "pileupSummaryCollection" ) ) )
   , m_hepMCProductToken( consumes< edm::HepMCProduct >( iConfig.getParameter< edm::InputTag >( "mcTruthCollection" ) ) )
 {
    //now do what ever initialization is needed
 
 
 
   usesResource("TFileService");
   edm::Service<TFileService> tfserv;
 
   m_hnvtx = tfserv->make<TH1F>("nvtx","Number of pileup vertices",60,-0.5,59.5);
   m_hnvtx->GetXaxis()->SetTitle("Number of Interactions");
 
   m_hnvtxvsbx = tfserv->make<TH2F>("nvtxvsbx","Number of pileup vertices vs BX",9,-4.5,4.5,60,-0.5,59.5);
   m_hnvtxvsbx->GetXaxis()->SetTitle("BX number");
   m_hnvtxvsbx->GetYaxis()->SetTitle("Number of Interactions");
 
   m_hlumi = tfserv->make<TH1F>("lumi","BX luminosity*xsect",200,0.,50.);
   m_hlumi->GetXaxis()->SetTitle("Average Number of Interactions");
 
   m_hnvtxvslumi = tfserv->make<TH2F>("nvtxvslumi","Npileup vs BX luminosity*xsect",200,0.,50.,60,-0.5,59.5);
   m_hnvtxvslumi->GetXaxis()->SetTitle("Average Number of Interactions");  m_hnvtxvslumi->GetYaxis()->SetTitle("Number of Interactions");
 
   if(m_useweight) {
     m_hnvtxweight = tfserv->make<TH1F>("nvtxweight","Number of pileup vertices (1-w)",60,-0.5,59.5);
     m_hnvtxweight->GetXaxis()->SetTitle("Number of Interactions");
     m_hnvtxweightprof = tfserv->make<TProfile>("nvtxweightprof","Mean (1-w) vs Number of pileup interactions",60,-0.5,59.5);
     m_hnvtxweightprof->GetXaxis()->SetTitle("Number of Interactions");
   }
 
   m_hmainvtxx = tfserv->make<TH1F>("mainvtxx","Main vertex x position",200,-.5,.5);
   m_hmainvtxx->GetXaxis()->SetTitle("X (cm)");
   m_hmainvtxy = tfserv->make<TH1F>("mainvtxy","Main vertex y position",200,-.5,.5);
   m_hmainvtxy->GetXaxis()->SetTitle("Y (cm)");
   m_hmainvtxz = tfserv->make<TH1F>("mainvtxz","Main vertex z position",600,-30.,30.);
   m_hmainvtxz->GetXaxis()->SetTitle("Z (cm)");
   m_hpileupvtxz = tfserv->make<TH1F>("pileupvtxz","PileUp vertices z position",600,-30.,30.);
   m_hpileupvtxz->GetXaxis()->SetTitle("Z (cm)");
 
 }

MCVerticesAnalyzer::~MCVerticesAnalyzer ( )

Definition at line 144 of file MCVerticesAnalyzer.cc.

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

Member Function Documentation

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

privatevirtual

Implements edm::one::EDAnalyzerBase.

Definition at line 159 of file MCVerticesAnalyzer.cc.

References edm::Event::getByToken(), edm::HandleBase::isValid(), m_doubleToken, m_hepMCProductToken, m_hlumi, m_hmainvtxx, m_hmainvtxy, m_hmainvtxz, m_hnvtx, m_hnvtxvsbx, m_hnvtxvslumi, m_hnvtxweight, m_hnvtxweightprof, m_hpileupvtxz, m_useweight, m_vecPileupSummaryInfoToken, and histoStyle::weight.

 {
 
    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 );
 
    //
 
    if(pileupinfos.isValid()) {
 
   // look for the intime PileupSummaryInfo
 
      std::vector<PileupSummaryInfo>::const_iterator pileupinfo;
 
      for(pileupinfo = pileupinfos->begin(); pileupinfo != pileupinfos->end() ; ++pileupinfo) {
        m_hnvtxvsbx->Fill(pileupinfo->getBunchCrossing(),pileupinfo->getPU_NumInteractions(),weight);
      } 
 
 
      for(pileupinfo = pileupinfos->begin(); pileupinfo != pileupinfos->end() ; ++pileupinfo) {
        if(pileupinfo->getBunchCrossing()==0) break;
      } 
  
      //
 
      if(pileupinfo->getBunchCrossing()!=0) {
        edm::LogError("NoInTimePileUpInfo") << "Cannot find the in-time pileup info " << pileupinfo->getBunchCrossing();
      }
      else {
 
        m_hlumi->Fill(pileupinfo->getTrueNumInteractions(),weight);
        m_hnvtx->Fill(pileupinfo->getPU_NumInteractions(),weight);
        m_hnvtxvslumi->Fill(pileupinfo->getTrueNumInteractions(),pileupinfo->getPU_NumInteractions(),weight);
 
        if(m_useweight) {
      m_hnvtxweight->Fill(pileupinfo->getPU_NumInteractions(),1.-weight);
      m_hnvtxweightprof->Fill(pileupinfo->getPU_NumInteractions(),1.-weight);
        }
        
        const std::vector<float>& zpositions = pileupinfo->getPU_zpositions();
        
        for(std::vector<float>::const_iterator zpos = zpositions.begin() ; zpos != zpositions.end() ; ++zpos) {
      
      m_hpileupvtxz->Fill(*zpos,weight);
      
        }
      }
    }
    // main interaction part
 
    edm::Handle< edm::HepMCProduct > EvtHandle ;
    iEvent.getByToken( m_hepMCProductToken, EvtHandle );
 
    if(EvtHandle.isValid()) {
 
      const HepMC::GenEvent* Evt = EvtHandle->GetEvent();
 
    // get the first vertex
      
      if(Evt->vertices_begin() != Evt->vertices_end()) {
 
        m_hmainvtxx->Fill((*Evt->vertices_begin())->point3d().x()/10.,weight);
        m_hmainvtxy->Fill((*Evt->vertices_begin())->point3d().y()/10.,weight);
        m_hmainvtxz->Fill((*Evt->vertices_begin())->point3d().z()/10.,weight);
 
      }
    }
 }