#include <HLTMuonPlotter.h>

Classes
struct	matchesByDescendingPt
struct	MatchStruct
Public Member Functions
void	analyze (const edm::Event &, const edm::EventSetup &)
void	beginJob ()
void	beginRun (const edm::Run &, const edm::EventSetup &)
	HLTMuonPlotter (const edm::ParameterSet &, std::string, const std::vector< std::string > &, const std::vector< std::string > &)
Private Member Functions
void	analyzePath (const edm::Event &, const std::string &, const std::string &, const std::vector< MatchStruct > &, edm::Handle< trigger::TriggerEventWithRefs >)
void	bookHist (std::string, std::string, std::string, std::string)
void	findMatches (std::vector< MatchStruct > &, const std::vector< l1extra::L1MuonParticleRef > &, const std::vector< std::vector< const reco::RecoChargedCandidate * > > &)
Private Attributes
double	cutMaxEta_
double	cutMinPt_
unsigned int	cutMotherId_
std::vector< double >	cutsDr_
DQMStore *	dbe_
std::map< std::string, MonitorElement * >	elements_
std::string	genMuonCut_
StringCutObjectSelector < reco::GenParticle > *	genMuonSelector_
std::string	genParticleLabel_
std::string	hltPath_
std::string	hltProcessName_
L1MuonMatcherAlgo	l1Matcher_
std::vector< std::string >	moduleLabels_
std::vector< double >	parametersEta_
std::vector< double >	parametersPhi_
std::vector< double >	parametersTurnOn_
std::string	recMuonCut_
std::string	recMuonLabel_
StringCutObjectSelector < reco::Muon > *	recMuonSelector_
std::vector< std::string >	stepLabels_

Detailed Description

Generate histograms for muon trigger efficiencies Documentation available on the CMS TWiki: https://twiki.cern.ch/twiki/bin/view/CMS/MuonHLTOfflinePerformance

Date:: 2013/04/19 23:22:27

Revision:: 1.3

Author:: J. Klukas, M. Vander Donckt, J. Alcaraz

Definition at line 58 of file HLTMuonPlotter.h.

Constructor & Destructor Documentation

HLTMuonPlotter::HLTMuonPlotter	(	const edm::ParameterSet &	,
		std::string	,
		const std::vector< std::string > &	,
		const std::vector< std::string > &
	)

Definition at line 38 of file HLTMuonPlotter.cc.

References cutsDr_, dbe_, genMuonCut_, genMuonSelector_, genParticleLabel_, edm::ParameterSet::getParameter(), hltPath_, hltProcessName_, moduleLabels_, cppFunctionSkipper::operator, parametersEta_, parametersPhi_, parametersTurnOn_, recMuonCut_, recMuonLabel_, recMuonSelector_, DQMStore::setVerbose(), and stepLabels_.

                                                                    :
  l1Matcher_(pset)
{

  hltPath_ = hltPath;
  moduleLabels_ = moduleLabels;
  stepLabels_ = stepLabels;
  hltProcessName_  = pset.getParameter<string>("hltProcessName");

  genParticleLabel_ = pset.getParameter<string>("genParticleLabel");
      recMuonLabel_ = pset.getParameter<string>(    "recMuonLabel");

  cutsDr_      = pset.getParameter< vector<double> >("cutsDr"     );

  parametersEta_    = pset.getParameter< vector<double> >("parametersEta");
  parametersPhi_    = pset.getParameter< vector<double> >("parametersPhi");
  parametersTurnOn_ = pset.getParameter< vector<double> >("parametersTurnOn");

  genMuonCut_ = pset.getParameter<string>("genMuonCut");
  recMuonCut_ = pset.getParameter<string>("recMuonCut");

  genMuonSelector_ = 0;
  recMuonSelector_ = 0;

  dbe_ = Service<DQMStore>().operator->();
  dbe_->setVerbose(0);

}

Member Function Documentation

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

Definition at line 136 of file HLTMuonPlotter.cc.

References prof2calltree::count, cutMaxEta_, cutMinPt_, elements_, eta(), edm::HandleBase::failedToGet(), HcalObjRepresent::Fill(), spr::find(), findMatches(), genMuonCut_, genMuonSelector_, genParticleLabel_, genParticleCandidates2GenParticles_cfi::genParticles, edm::Event::getByLabel(), hltPath_, hltProcessName_, i, edm::HandleBase::isValid(), j, testEve_cfg::level, LogTrace, moduleLabels_, phi, recMuonCut_, recMuonLabel_, recMuonSelector_, findQualityFiles::size, python::multivaluedict::sort(), LaserTracksInput_cfi::source, relval_parameters_module::step, stepLabels_, GlobalPosition_Frontier_DevDB_cff::tag, trigger::TriggerL1Mu, and trigger::TriggerMuon.

{

  static int eventNumber = 0;
  eventNumber++;
  LogTrace("HLTMuonVal") << "In HLTMuonPlotter::analyze,  " 
                         << "Event: " << eventNumber;

  // cout << hltPath_ << endl;
  // for (size_t i = 0; i < moduleLabels_.size(); i++)
  //   cout << "    " << moduleLabels_[i] << endl;

  Handle<          TriggerEventWithRefs> rawTriggerEvent;
  Handle<                MuonCollection> recMuons;
  Handle<         GenParticleCollection> genParticles;

  iEvent.getByLabel("hltTriggerSummaryRAW", rawTriggerEvent);
  if (rawTriggerEvent.failedToGet())
    {LogError("HLTMuonVal") << "No trigger summary found"; return;}
  iEvent.getByLabel(    recMuonLabel_, recMuons     );
  iEvent.getByLabel(genParticleLabel_, genParticles );

  vector<string> sources;
  if (genParticles.isValid()) sources.push_back("gen");
  if (    recMuons.isValid()) sources.push_back("rec");

  for (size_t sourceNo = 0; sourceNo < sources.size(); sourceNo++) {

    string source = sources[sourceNo];
    
    // If this is the first event, initialize selectors
    if (!genMuonSelector_) genMuonSelector_ =
      new StringCutObjectSelector<reco::GenParticle>(genMuonCut_);
    if (!recMuonSelector_) recMuonSelector_ =
      new StringCutObjectSelector<reco::Muon       >(recMuonCut_);

    // Make each good gen/rec muon into the base cand for a MatchStruct
    vector<MatchStruct> matches;
    if (source == "gen" && genParticles.isValid())
      for (size_t i = 0; i < genParticles->size(); i++)
        if ((*genMuonSelector_)(genParticles->at(i)))
          matches.push_back(MatchStruct(& genParticles->at(i)));
    if (source == "rec" && recMuons.isValid())
      for (size_t i = 0; i < recMuons->size(); i++)
        if ((*recMuonSelector_)(recMuons->at(i)))
          matches.push_back(MatchStruct(& recMuons->at(i)));
    
    // Sort the MatchStructs by pT for later filling of turn-on curve
    sort(matches.begin(), matches.end(), matchesByDescendingPt());

    const bool isDoubleMuonPath = (hltPath_.find("Double") != string::npos);
    const size_t nFilters   = moduleLabels_.size();
    const size_t nSteps     = stepLabels_.size();
    const size_t nStepsHlt  = nSteps - 2;
    const int nObjectsToPassPath = (isDoubleMuonPath) ? 2 : 1;
    vector< L1MuonParticleRef > candsL1;
    vector< vector< RecoChargedCandidateRef      > > refsHlt(nStepsHlt);
    vector< vector< const RecoChargedCandidate * > > candsHlt(nStepsHlt);
    
    for (size_t i = 0; i < nFilters; i++) {
      const int hltStep = i - 1;
      InputTag tag = InputTag(moduleLabels_[i], "", hltProcessName_);
      size_t iFilter = rawTriggerEvent->filterIndex(tag);
      if (iFilter < rawTriggerEvent->size()) {
        if (i == 0)
          rawTriggerEvent->getObjects(iFilter, TriggerL1Mu, candsL1);
        else
          rawTriggerEvent->getObjects(iFilter, TriggerMuon, 
                                      refsHlt[hltStep]);
      }
      else LogTrace("HLTMuonVal") << "No collection with label " << tag;
    }
    for (size_t i = 0; i < nStepsHlt; i++)
      for (size_t j = 0; j < refsHlt[i].size(); j++)
        if (refsHlt[i][j].isAvailable()) {
          candsHlt[i].push_back(& * refsHlt[i][j]);
        } else {
          LogWarning("HLTMuonPlotter")
            << "Ref refsHlt[i][j]: product not available "
            << i << " " << j;
        }
    
    // Add trigger objects to the MatchStructs
    findMatches(matches, candsL1, candsHlt);
    
    vector<size_t> matchesInEtaRange;
    vector<bool> hasMatch(matches.size(), true);
    
    for (size_t step = 0; step < nSteps; step++) {
      
      const size_t hltStep = (step >= 2) ? step - 2 : 0;
      size_t level = 0;
      if (stepLabels_[step].find("L3") != string::npos) level = 3;
      else if (stepLabels_[step].find("L2") != string::npos) level = 2;
      else if (stepLabels_[step].find("L1") != string::npos) level = 1;
      
      for (size_t j = 0; j < matches.size(); j++) {
        if (level == 0) {
          if (fabs(matches[j].candBase->eta()) < cutMaxEta_)
            matchesInEtaRange.push_back(j);
        }
        else if (level == 1) {
          if (matches[j].candL1 == 0)
            hasMatch[j] = false;
        }
        else if (level >= 2) {
          if (matches[j].candHlt[hltStep] == 0)
            hasMatch[j] = false;
          else if (!hasMatch[j]) {
            LogTrace("HLTMuonVal") << "Match found for HLT step " << hltStep
                                   << " of " << nStepsHlt 
                                   << " without previous match!";
            break;
          }
        }
      }
      
      if (std::count(hasMatch.begin(), hasMatch.end(), true) <
          nObjectsToPassPath) 
        break;
      
      string pre  = source + "Pass";
      string post = "_" + stepLabels_[step];
      
      for (size_t j = 0; j < matches.size(); j++) {
        float pt  = matches[j].candBase->pt();
        float eta = matches[j].candBase->eta();
        float phi = matches[j].candBase->phi();
        if (hasMatch[j]) { 
          if (matchesInEtaRange.size() >= 1 && j == matchesInEtaRange[0])
            elements_[pre + "MaxPt1" + post]->Fill(pt);
          if (matchesInEtaRange.size() >= 2 && j == matchesInEtaRange[1])
            elements_[pre + "MaxPt2" + post]->Fill(pt);
          if (pt > cutMinPt_) {
            elements_[pre + "Eta" + post]->Fill(eta);
            if (fabs(eta) < cutMaxEta_)
              elements_[pre + "Phi" + post]->Fill(phi);
          }
        }
      }
      
    }
    
    
    
  } // End loop over sources
  
}

void HLTMuonPlotter::analyzePath	(	const edm::Event &	,
		const std::string &	,
		const std::string &	,
		const std::vector< MatchStruct > &	,
		edm::Handle< trigger::TriggerEventWithRefs >
	)		`[private]`

void HLTMuonPlotter::beginJob ( void )

Definition at line 73 of file HLTMuonPlotter.cc.

{
}

void HLTMuonPlotter::beginRun	(	const edm::Run &	iRun,
		const edm::EventSetup &	iSetup
	)

Definition at line 80 of file HLTMuonPlotter.cc.

References DQMStore::bookFloat(), bookHist(), cutMaxEta_, cutMinPt_, dbe_, elements_, DQMStore::get(), hltPath_, i, L1MuonMatcherAlgo::init(), j, l1Matcher_, convertSQLiteXML::runNumber, DQMStore::setCurrentFolder(), LaserTracksInput_cfi::source, stepLabels_, and dtDQMClient_cfg::threshold.

{

  static int runNumber = 0;
  runNumber++;

  l1Matcher_.init(iSetup);

  cutMaxEta_ = 2.4;
  if (hltPath_.find("eta2p1") != string::npos) 
    cutMaxEta_ = 2.1;

  // Choose a pT cut for gen/rec muons based on the pT cut in the hltPath_
  unsigned int threshold = 0;
  TPRegexp ptRegexp("Mu([0-9]+)");
  TObjArray * regexArray = ptRegexp.MatchS(hltPath_);
  if (regexArray->GetEntriesFast() == 2) {
    threshold = atoi(((TObjString *)regexArray->At(1))->GetString());
  }
  delete regexArray;
  // We select a whole number min pT cut slightly above the hltPath_'s final 
  // pt threshold, then subtract a bit to let through particle gun muons with
  // exact integer pT:
  cutMinPt_ = ceil(threshold * 1.1) - 0.01;
  if (cutMinPt_ < 0.) cutMinPt_ = 0.;
  
  string baseDir = "HLT/Muon/Distributions/";
  dbe_->setCurrentFolder(baseDir + hltPath_);

  vector<string> sources(2);
  sources[0] = "gen";
  sources[1] = "rec";

  if (dbe_->get(baseDir + hltPath_ + "/CutMinPt") == 0) {

      elements_["CutMinPt" ] = dbe_->bookFloat("CutMinPt" );
      elements_["CutMaxEta"] = dbe_->bookFloat("CutMaxEta");
      elements_["CutMinPt" ]->Fill(cutMinPt_);
      elements_["CutMaxEta"]->Fill(cutMaxEta_);

      for (size_t i = 0; i < sources.size(); i++) {
        string source = sources[i];
        for (size_t j = 0; j < stepLabels_.size(); j++) {
          bookHist(hltPath_, stepLabels_[j], source, "Eta");
          bookHist(hltPath_, stepLabels_[j], source, "Phi");
          bookHist(hltPath_, stepLabels_[j], source, "MaxPt1");
          bookHist(hltPath_, stepLabels_[j], source, "MaxPt2");
        }
      }
  }

}

void HLTMuonPlotter::bookHist	(	std::string	,
		std::string	,
		std::string	,
		std::string
	)		`[private]`

Referenced by beginRun().

void HLTMuonPlotter::findMatches	(	std::vector< MatchStruct > &	,
		const std::vector< l1extra::L1MuonParticleRef > &	,
		const std::vector< std::vector< const reco::RecoChargedCandidate * > > &
	)		`[private]`