PatTriggerAnalyzer Class Reference

#include <PatTriggerAnalyzer.h>

Inheritance diagram for PatTriggerAnalyzer:

Public Member Functions
	PatTriggerAnalyzer (const edm::ParameterSet &iConfig)
	default constructor More...
	~PatTriggerAnalyzer ()
	default destructor More...
Public Member Functions inherited from edm::EDAnalyzer
	EDAnalyzer ()
std::string	workerType () const
virtual	~EDAnalyzer ()

Private Member Functions
virtual void	analyze (const edm::Event &iEvent, const edm::EventSetup &iSetup)
	everythin that needs to be done during the event loop More...
virtual void	beginJob ()
	everythin that needs to be done before the event loop More...
virtual void	endJob ()
	everythin that needs to be done after the event loop More...

Private Attributes
std::map< std::string, TH1D * >	histos1D_
	histogram management More...
std::map< std::string, TH2D * >	histos2D_
unsigned	maxID_
	maximal id for meanPt plot More...
unsigned	minID_
	minimal id for meanPt plot More...
std::string	muonMatch_
	input for trigger match objects More...
edm::InputTag	muons_
	input for muons More...
std::map< unsigned, unsigned >	sumN_
	internals for meanPt histogram calculation More...
std::map< unsigned, double >	sumPt_
edm::InputTag	trigger_
	input for patTrigger More...
edm::InputTag	triggerEvent_
	input for patTriggerEvent More...

Additional Inherited Members
Public Types inherited from edm::EDAnalyzer
typedef EDAnalyzer	ModuleType
typedef WorkerT< EDAnalyzer >	WorkerType
Static Public Member Functions inherited from edm::EDAnalyzer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDAnalyzer
CurrentProcessingContext const *	currentContext () const

Detailed Description

Definition at line 19 of file PatTriggerAnalyzer.h.

Constructor & Destructor Documentation

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

explicit

default constructor

Definition at line 12 of file PatTriggerAnalyzer.cc.

                                                                        :
  // pat::Trigger
  trigger_( iConfig.getParameter< edm::InputTag >( "trigger" ) ),
  // pat::TriggerEvent
  triggerEvent_( iConfig.getParameter< edm::InputTag >( "triggerEvent" ) ),
  // muon input collection
  muons_( iConfig.getParameter< edm::InputTag >( "muons" ) ),
  // muon match objects
  muonMatch_( iConfig.getParameter< std::string >( "muonMatch" ) ),
  // minimal id for of all trigger objects
  minID_( iConfig.getParameter< unsigned >( "minID" ) ),
  // maximal id for of all trigger objects
  maxID_( iConfig.getParameter< unsigned >( "maxID" ) ),
  histos1D_(), histos2D_()
{
}

PatTriggerAnalyzer::~PatTriggerAnalyzer

(

)

default destructor

Definition at line 29 of file PatTriggerAnalyzer.cc.

{
}

Member Function Documentation

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

privatevirtual

everythin that needs to be done during the event loop

Implements edm::EDAnalyzer.

Definition at line 65 of file PatTriggerAnalyzer.cc.

References edm::Event::getByLabel(), histos1D_, histos2D_, ExpressReco_HICollisions_FallBack::id, maxID_, minID_, muonMatch_, ExpressReco_HICollisions_FallBack::muons, muons_, sumN_, sumPt_, triggerEvent_, and trigger::TriggerMuon.

{
  // PAT trigger event
  edm::Handle< TriggerEvent > triggerEvent;
  iEvent.getByLabel( triggerEvent_, triggerEvent );

  // PAT object collection
  edm::Handle< MuonCollection > muons;
  iEvent.getByLabel( muons_, muons );

  // PAT trigger helper for trigger matching information
  const helper::TriggerMatchHelper matchHelper;

  /*
    kinematics comparison
  */

  // loop over muon references (PAT muons have been used in the matcher in task 3)
  for( size_t iMuon = 0; iMuon < muons->size(); ++iMuon ) {
    // we need all these ingedients to recieve matched trigger object from the matchHelper
    const TriggerObjectRef trigRef( matchHelper.triggerMatchObject( muons, iMuon, muonMatch_, iEvent, *triggerEvent ) );
    // finally we can fill the histograms
    if ( trigRef.isAvailable() && trigRef.isNonnull() ) { // check references (necessary!)
      histos2D_[ "ptTrigCand" ]->Fill( muons->at( iMuon ).pt(), trigRef->pt() );
      histos2D_[ "etaTrigCand" ]->Fill( muons->at( iMuon ).eta(), trigRef->eta() );
      histos2D_[ "phiTrigCand" ]->Fill( muons->at( iMuon ).phi(), trigRef->phi() );
    }
  }

  /*
    turn-on curve
  */

  // get the trigger objects corresponding to the used matching (HLT muons)
  const TriggerObjectRefVector trigRefs( triggerEvent->objects( trigger::TriggerMuon ) );
  // loop over selected trigger objects
  for ( TriggerObjectRefVector::const_iterator iTrig = trigRefs.begin(); iTrig != trigRefs.end(); ++iTrig ) {
    // get all matched candidates for the trigger object
    const reco::CandidateBaseRefVector candRefs( matchHelper.triggerMatchCandidates( ( *iTrig), muonMatch_, iEvent, *triggerEvent ) );
    if ( candRefs.empty() ) continue;
    // fill the histogram...
    // (only for the first match, since we resolved ambiguities in the matching configuration,
    // so that we have one at maximum per trigger object)
    reco::CandidateBaseRef muonRef( candRefs.at( 0 ) );
    if ( muonRef.isAvailable() && muonRef.isNonnull() ) {
      histos1D_[ "turnOn" ]->Fill( muonRef->pt() );
    }
  }

  /*
    mean pt
  */

  // loop over all trigger match objects from minID to maxID; have
  // a look to DataFormats/HLTReco/interface/TriggerTypeDefs.h to
  // know more about the available trrigger object id's
  for ( unsigned id=minID_; id<=maxID_; ++id ) {
    // vector of all objects for a given object id
    const TriggerObjectRefVector objRefs( triggerEvent->objects( id ) );
    // buffer the number of objects
    sumN_[ id ] += objRefs.size();
    // iterate the objects and buffer the pt of the objects
    for ( TriggerObjectRefVector::const_iterator iRef = objRefs.begin(); iRef != objRefs.end(); ++iRef ) {
      sumPt_[ id ] += ( *iRef )->pt();
    }
  }
}

void PatTriggerAnalyzer::beginJob ( void  )

privatevirtual

everythin that needs to be done before the event loop

Reimplemented from edm::EDAnalyzer.

Definition at line 33 of file PatTriggerAnalyzer.cc.

References fileService, histos1D_, histos2D_, ExpressReco_HICollisions_FallBack::id, TFileDirectory::make(), maxID_, minID_, Pi, sumN_, and sumPt_.

{
  edm::Service< TFileService > fileService;

  // pt correlation plot
  histos2D_[ "ptTrigCand" ] = fileService->make< TH2D >( "ptTrigCand", "Object vs. candidate p_{T} (GeV)", 60, 0., 300., 60, 0., 300. );
  histos2D_[ "ptTrigCand" ]->SetXTitle( "candidate p_{T} (GeV)" );
  histos2D_[ "ptTrigCand" ]->SetYTitle( "object p_{T} (GeV)" );
  // eta correlation plot
  histos2D_[ "etaTrigCand" ] = fileService->make< TH2D >( "etaTrigCand", "Object vs. candidate #eta", 50, -2.5, 2.5, 50, -2.5, 2.5 );
  histos2D_[ "etaTrigCand" ]->SetXTitle( "candidate #eta" );
  histos2D_[ "etaTrigCand" ]->SetYTitle( "object #eta" );
  // phi correlation plot
  histos2D_[ "phiTrigCand" ] = fileService->make< TH2D >( "phiTrigCand", "Object vs. candidate #phi", 60, -TMath::Pi(), TMath::Pi(), 60, -TMath::Pi(), TMath::Pi() );
  histos2D_[ "phiTrigCand" ]->SetXTitle( "candidate #phi" );
  histos2D_[ "phiTrigCand" ]->SetYTitle( "object #phi" );
  // turn-on curves
  histos1D_[ "turnOn" ] = fileService->make< TH1D >( "turnOn", "p_{T} (GeV) of matched candidate", 10, 0., 50.);
  histos1D_[ "turnOn" ]->SetXTitle( "candidate p_{T} (GeV)" );
  histos1D_[ "turnOn" ]->SetYTitle( "# of objects" );
  // mean pt for all trigger objects
  histos1D_[ "ptMean" ] = fileService->make< TH1D >( "ptMean", "Mean p_{T} (GeV) per filter ID", maxID_ - minID_ + 1, minID_ - 0.5, maxID_ + 0.5);
  histos1D_[ "ptMean" ]->SetXTitle( "filter ID" );
  histos1D_[ "ptMean" ]->SetYTitle( "mean p_{T} (GeV)" );

  // initialize counters for mean pt calculation
  for( unsigned id = minID_; id <= maxID_; ++id ){
    sumN_ [ id ] = 0;
    sumPt_[ id ] = 0.;
  }
}

void PatTriggerAnalyzer::endJob ( void  )

privatevirtual

everythin that needs to be done after the event loop

Reimplemented from edm::EDAnalyzer.

Definition at line 133 of file PatTriggerAnalyzer.cc.

References histos1D_, ExpressReco_HICollisions_FallBack::id, maxID_, minID_, sumN_, and sumPt_.

{
  // normalize the entries for the mean pt plot
  for(unsigned id=minID_; id<=maxID_; ++id){
    if( sumN_[ id ]!=0 ) histos1D_[ "ptMean" ]->Fill( id, sumPt_[ id ]/sumN_[ id ] );
  }
}

Member Data Documentation

std::map< std::string, TH1D* > PatTriggerAnalyzer::histos1D_

private

histogram management

Definition at line 49 of file PatTriggerAnalyzer.h.

Referenced by analyze(), beginJob(), and endJob().

std::map< std::string, TH2D* > PatTriggerAnalyzer::histos2D_

private

Definition at line 50 of file PatTriggerAnalyzer.h.

Referenced by analyze(), and beginJob().

unsigned PatTriggerAnalyzer::maxID_

private

maximal id for meanPt plot

Definition at line 46 of file PatTriggerAnalyzer.h.

Referenced by analyze(), beginJob(), and endJob().

unsigned PatTriggerAnalyzer::minID_

private

minimal id for meanPt plot

Definition at line 44 of file PatTriggerAnalyzer.h.

Referenced by analyze(), beginJob(), and endJob().

std::string PatTriggerAnalyzer::muonMatch_

private

input for trigger match objects

Definition at line 42 of file PatTriggerAnalyzer.h.

Referenced by analyze().

edm::InputTag PatTriggerAnalyzer::muons_

private

input for muons

Definition at line 40 of file PatTriggerAnalyzer.h.

Referenced by analyze().

std::map< unsigned, unsigned > PatTriggerAnalyzer::sumN_

private

internals for meanPt histogram calculation

Definition at line 53 of file PatTriggerAnalyzer.h.

Referenced by analyze(), beginJob(), and endJob().

std::map< unsigned, double > PatTriggerAnalyzer::sumPt_

private

Definition at line 54 of file PatTriggerAnalyzer.h.

Referenced by analyze(), beginJob(), and endJob().

edm::InputTag PatTriggerAnalyzer::trigger_

private

input for patTrigger

Definition at line 36 of file PatTriggerAnalyzer.h.

edm::InputTag PatTriggerAnalyzer::triggerEvent_

private

input for patTriggerEvent

Definition at line 38 of file PatTriggerAnalyzer.h.

Referenced by analyze().