#include <EventInfo.h>

Public Member Functions
	EventInfo ()

	EventInfo (edm::Service< TFileService > &)

	EventInfo (TFileDirectory &)

void	Fill (const edm::Event &)

void	FixedGridRhoInfo (const edm::InputTag &)

void	GenEventInfo (const edm::InputTag &)

void	Init ()

void	LumiScalersInfo (const edm::InputTag &)

void	PileupInfo (const edm::InputTag &)

void	ReadFixedGridRhoInfo (const edm::Event &)

void	ReadGenEventInfo (const edm::Event &)

void	ReadLumiScalers (const edm::Event &)

void	ReadPileupInfo (const edm::Event &)

TTree *	Tree ()

	~EventInfo ()

Private Attributes
int	bx_

bool	do_gen_

bool	do_lumi_

bool	do_pu_

bool	do_rho_

int	event_

edm::InputTag	genInfo_

double	genScale_

double	genWeight_

float	instLumi_

int	lumi_

float	lumiPU_

edm::InputTag	lumiScalers_

int	n_pu_

float	n_true_pu_

int	orbit_

int	pdfid1_

int	pdfid2_

double	pdfx1_

double	pdfx2_

edm::InputTag	puInfo_

double	rho_

edm::InputTag	rho_collection_

int	run_

TTree *	tree_

Detailed Description

Definition at line 45 of file EventInfo.h.

Constructor & Destructor Documentation

EventInfo::EventInfo ( )

Definition at line 40 of file EventInfo.cc.

 {
    // default constructor
 }

EventInfo::EventInfo ( edm::Service< TFileService > & fs )

Definition at line 45 of file EventInfo.cc.

References bx_, do_gen_, do_lumi_, do_pu_, do_rho_, event_, lumi_, nano_94X_2017_rereco31Mar18-v1::name, orbit_, run_, and tree_.

 {
    std::string name = "EventInfo";
    tree_ = fs->make<TTree>(name.c_str(),name.c_str());
    
    // event output info
    tree_->Branch("event", &event_, "event/I");
    tree_->Branch("run"  , &run_  , "run/I");
    tree_->Branch("lumisection" , &lumi_ , "lumisection/I");
    tree_->Branch("bx"   , &bx_   , "bx/I");
    tree_->Branch("orbit", &orbit_, "orbit/I");
    
    do_pu_   = false;
    do_gen_  = false;
    do_lumi_ = false;
    do_rho_  = false;
    
    
 }

EventInfo::EventInfo ( TFileDirectory & dir )

Definition at line 65 of file EventInfo.cc.

References bx_, do_gen_, do_lumi_, do_pu_, event_, lumi_, nano_94X_2017_rereco31Mar18-v1::name, orbit_, run_, and tree_.

 {
    std::string name = "EventInfo";
    tree_ = dir.make<TTree>(name.c_str(),name.c_str());
    
    // event output info
    tree_->Branch("event", &event_, "event/I");
    tree_->Branch("run"  , &run_  , "run/I");
    tree_->Branch("lumisection" , &lumi_ , "lumisection/I");
    tree_->Branch("bx"   , &bx_   , "bx/I");
    tree_->Branch("orbit", &orbit_, "orbit/I");
 
    do_pu_   = false;
    do_gen_  = false;
    do_lumi_ = false;
    
 }

EventInfo::~EventInfo ( )

Definition at line 83 of file EventInfo.cc.

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

Member Function Documentation

void EventInfo::Fill ( const edm::Event & event )

Definition at line 95 of file EventInfo.cc.

References bx_, do_gen_, do_lumi_, do_pu_, do_rho_, event_, genScale_, genWeight_, lumi_, n_pu_, n_true_pu_, orbit_, pdfid1_, pdfid2_, pdfx1_, pdfx2_, ReadFixedGridRhoInfo(), ReadGenEventInfo(), ReadLumiScalers(), ReadPileupInfo(), run_, and tree_.

 {
    using namespace edm;
    
    const edm::EventAuxiliary evt = event.eventAuxiliary();
    
    event_ = evt.event();
    run_   = evt.run();
    lumi_  = evt.luminosityBlock();
    orbit_ = evt.orbitNumber();
    bx_    = evt.bunchCrossing();
    
    if ( do_pu_ )
    {
       ReadPileupInfo(event);
    }
    else
    {
       n_pu_ = -1;
       n_true_pu_ = -1;
    }
       
    if ( do_gen_ )
    {
       ReadGenEventInfo(event);
    }
    else
    {
       genWeight_  = -1.;
       genScale_   = -1.;
       pdfid1_     = 0;
       pdfid2_     = 0;
       pdfx1_      = -1.;
       pdfx2_      = -1.;
               
    }
    
    if ( do_lumi_ )
    {
       ReadLumiScalers(event);
    }
    
    if ( do_rho_ )
    {
       ReadFixedGridRhoInfo(event);
    }
       
    tree_ -> Fill();
 
    
 }

void EventInfo::FixedGridRhoInfo ( const edm::InputTag & tag )

Definition at line 245 of file EventInfo.cc.

References do_rho_, rho_, rho_collection_, and tree_.

 {
    do_rho_ = true;
    rho_collection_ = tag;
    
    tree_->Branch("rho",&rho_,"rho/D");
    
 }

void EventInfo::GenEventInfo ( const edm::InputTag & tag )

Definition at line 188 of file EventInfo.cc.

References do_gen_, genInfo_, genScale_, genWeight_, pdfid1_, pdfid2_, pdfx1_, pdfx2_, and tree_.

 {
    do_gen_ = true;
    
    genInfo_ = tag;
       
    tree_->Branch("genWeight" , &genWeight_  , "genWeight/D");
    tree_->Branch("genScale"  , &genScale_   , "genScale/D");
    tree_->Branch("pdfid1"    , &pdfid1_     , "pdfid1/I");
    tree_->Branch("pdfid2"    , &pdfid2_     , "pdfid2/I");
    tree_->Branch("pdfx1"     , &pdfx1_      , "pdfx1/D");
    tree_->Branch("pdfx2"     , &pdfx2_      , "pdfx2/D");
    
 }

void EventInfo::Init ( )

Definition at line 148 of file EventInfo.cc.

149 {

150 }

void EventInfo::LumiScalersInfo ( const edm::InputTag & tag )

Definition at line 224 of file EventInfo.cc.

References do_lumi_, instLumi_, lumiPU_, lumiScalers_, and tree_.

 {
    do_lumi_  = true;
    
    lumiScalers_ = tag;
    
    // lumiScalers
    tree_->Branch("instantLumi", &instLumi_,"instantLumi/F");
    tree_->Branch("lumiPileup", &lumiPU_,"lumiPileup/F");
 }

void EventInfo::PileupInfo ( const edm::InputTag & tag )

Definition at line 158 of file EventInfo.cc.

References do_pu_, n_pu_, n_true_pu_, puInfo_, and tree_.

 {
    do_pu_ = true;
    
    puInfo_ = tag;
       
    tree_->Branch("nPileup"     , &n_pu_     , "nPileup/I");
    tree_->Branch("nTruePileup" , &n_true_pu_, "nTruePileup/F");
    
 }

void EventInfo::ReadFixedGridRhoInfo ( const edm::Event & event )

Definition at line 254 of file EventInfo.cc.

References rho_, and rho_collection_.

Referenced by Fill().

 {
    edm::Handle<double> rhoHandler;
    event.getByLabel(rho_collection_, rhoHandler);
    rho_ = *(rhoHandler.product());
    
 }

void EventInfo::ReadGenEventInfo ( const edm::Event & event )

Definition at line 203 of file EventInfo.cc.

References genInfo_, genScale_, genWeight_, pdfid1_, pdfid2_, pdfx1_, and pdfx2_.

Referenced by Fill().

 {
    using namespace edm;
    
    // 
    edm::Handle<GenEventInfoProduct> hepmc;
    event.getByLabel(genInfo_, hepmc);
    
    if ( hepmc.isValid() )
    {
       genWeight_ = hepmc -> weight();
       genScale_  = hepmc -> qScale();
       pdfid1_    = hepmc -> pdf() -> id.first;
       pdfid2_    = hepmc -> pdf() -> id.second;
       pdfx1_     = hepmc -> pdf() -> x.first;
       pdfx2_     = hepmc -> pdf() -> x.second;
    }
 
    
 }

void EventInfo::ReadLumiScalers ( const edm::Event & event )

Definition at line 235 of file EventInfo.cc.

References instLumi_, lumiPU_, and lumiScalers_.

Referenced by Fill().

 {
    edm::Handle<LumiScalersCollection> lumis;
    event.getByLabel(lumiScalers_, lumis);
    
    instLumi_ = lumis -> begin() -> instantLumi();
    lumiPU_   = lumis -> begin() -> pileup();
    
 }

void EventInfo::ReadPileupInfo ( const edm::Event & event )

Definition at line 169 of file EventInfo.cc.

References n_pu_, n_true_pu_, and puInfo_.

Referenced by Fill().

 {
    using namespace edm;
    
    // 
    edm::Handle<std::vector<PileupSummaryInfo> > handler;
    event.getByLabel(puInfo_, handler);
 
    std::vector<PileupSummaryInfo> pileup_infos = *(handler.product());
    
 // Take the first entry - should be enough
    PileupSummaryInfo pileup_info = pileup_infos.at(0);
    n_true_pu_ = pileup_info.getTrueNumInteractions();
    n_pu_      = pileup_info.getPU_NumInteractions();
     
    
 }