EmDQM.cc

Go to the documentation of this file.

//                    Header file for this                                    //
#include "HLTriggerOffline/Egamma/interface/EmDQM.h"

using namespace ROOT::Math::VectorUtil;

//                             Constructor                                    //
EmDQM::EmDQM(const edm::ParameterSet &pset) {
  // are we running in automatic configuration mode with the HLTConfigProvider
  // or with a per path python config file
  autoConfMode_ = pset.getUntrackedParameter<bool>("autoConfMode", false);

  // set global parameters
  triggerObject_ = pset.getParameter<edm::InputTag>("triggerobject");
  verbosity_ = pset.getUntrackedParameter<unsigned int>("verbosity", 0);
  genEtaAcc_ = pset.getParameter<double>("genEtaAcc");
  genEtAcc_ = pset.getParameter<double>("genEtAcc");
  ptMax_ = pset.getUntrackedParameter<double>("PtMax", 1000.);
  ptMin_ = pset.getUntrackedParameter<double>("PtMin", 0.);
  etaMax_ = pset.getUntrackedParameter<double>("EtaMax", 2.7);
  phiMax_ = pset.getUntrackedParameter<double>("PhiMax", 3.15);
  nbins_ = pset.getUntrackedParameter<unsigned int>("Nbins", 40);
  eta2DMax_ = pset.getUntrackedParameter<double>("Eta2DMax", 2.8);
  phi2DMax_ = pset.getUntrackedParameter<double>("Phi2DMax", 3.2);
  nbins2D_ = pset.getUntrackedParameter<unsigned int>("Nbins2D", 16);
  minEtForEtaEffPlot_ = pset.getUntrackedParameter<unsigned int>("minEtForEtaEffPlot", 15);
  useHumanReadableHistTitles_ = pset.getUntrackedParameter<bool>("useHumanReadableHistTitles", false);
  mcMatchedOnly_ = pset.getUntrackedParameter<bool>("mcMatchedOnly", true);
  noPhiPlots_ = pset.getUntrackedParameter<bool>("noPhiPlots", true);
  noIsolationPlots_ = pset.getUntrackedParameter<bool>("noIsolationPlots", true);

  if (!autoConfMode_) {
    paramSets.push_back(pset);
    isData_ = false;
  } else {
    isData_ = pset.getParameter<bool>("isData");
  }

  histoFillerEle = new HistoFiller<reco::ElectronCollection>(this);
  histoFillerPho = new HistoFiller<reco::RecoEcalCandidateCollection>(this);
  histoFillerClu = new HistoFiller<reco::RecoEcalCandidateCollection>(this);
  histoFillerL1Iso = new HistoFiller<l1extra::L1EmParticleCollection>(this);
  histoFillerL1NonIso = new HistoFiller<l1extra::L1EmParticleCollection>(this);

  // consumes
  genParticles_token = consumes<edm::View<reco::Candidate>>(edm::InputTag("genParticles"));
  triggerObject_token = consumes<trigger::TriggerEventWithRefs>(triggerObject_);
  hltResults_token = consumes<edm::TriggerResults>(edm::InputTag("TriggerResults", "", triggerObject_.process()));
  if (autoConfMode_) {
    gencutColl_fidWenu_token = mayConsume<edm::View<reco::Candidate>>(edm::InputTag("fiducialWenu"));
    gencutColl_fidZee_token = mayConsume<edm::View<reco::Candidate>>(edm::InputTag("fiducialZee"));
    gencutColl_fidTripleEle_token = mayConsume<edm::View<reco::Candidate>>(edm::InputTag("fiducialTripleEle"));
    gencutColl_fidGammaJet_token = mayConsume<edm::View<reco::Candidate>>(edm::InputTag("fiducialGammaJet"));
    gencutColl_fidDiGamma_token = mayConsume<edm::View<reco::Candidate>>(edm::InputTag("fiducialDiGamma"));
  } else {
    gencutColl_manualConf_token =
        consumes<edm::View<reco::Candidate>>(pset.getParameter<edm::InputTag>("cutcollection"));
  }
}

void EmDQM::dqmBeginRun(edm::Run const &iRun, edm::EventSetup const &iSetup) {
  bool changed(true);
  if (hltConfig_.init(iRun, iSetup, triggerObject_.process(), changed)) {
    // if init returns TRUE, initialisation has succeeded!

    if (autoConfMode_) {
      if (verbosity_ >= OUTPUT_ALL) {
        // Output general information on the menu
        edm::LogPrint("EmDQM") << "inited=" << hltConfig_.inited();
        edm::LogPrint("EmDQM") << "changed=" << hltConfig_.changed();
        edm::LogPrint("EmDQM") << "processName=" << hltConfig_.processName();
        edm::LogPrint("EmDQM") << "tableName=" << hltConfig_.tableName();
        edm::LogPrint("EmDQM") << "size=" << hltConfig_.size();
        edm::LogInfo("EmDQM") << "The following filter types are not analyzed: \n"
                              << "\tHLTGlobalSumsMET\n"
                              << "\tHLTHtMhtFilter\n"
                              << "\tHLTMhtFilter\n"
                              << "\tHLTJetTag\n"
                              << "\tHLT1CaloJet\n"
                              << "\tHLT1CaloMET\n"
                              << "\tHLT1CaloBJet\n"
                              << "\tHLT1Tau\n"
                              << "\tHLT1PFTau\n"
                              << "\tPFTauSelector\n"
                              << "\tHLT1PFJet\n"
                              << "\tHLTPFJetCollectionsFilter\n"
                              << "\tHLTPFJetCollectionsVBFFilter\n"
                              << "\tHLTPFJetTag\n"
                              << "\tEtMinCaloJetSelector\n"
                              << "\tEtMinPFJetSelector\n"
                              << "\tLargestEtCaloJetSelector\n"
                              << "\tLargestEtPFJetSelector\n"
                              << "\tHLTEgammaTriggerFilterObjectWrapper\n"
                              << "\tHLTEgammaDoubleLegCombFilter\n"
                              << "\tHLT2ElectronTau\n"
                              << "\tHLT2ElectronMET\n"
                              << "\tHLT2ElectronPFTau\n"
                              << "\tHLTPMMassFilter\n"
                              << "\tHLTHcalTowerFilter\n"
                              << "\tHLT1Photon\n"
                              << "\tHLTRFilter\n"
                              << "\tHLTRHemisphere\n"
                              << "\tHLTElectronPFMTFilter\n"
                              << "\tPrimaryVertexObjectFilter\n"
                              << "\tHLTEgammaAllCombMassFilter\n"
                              << "\tHLTMuon*\n";
      }

      // All electron and photon paths
      std::vector<std::vector<std::string>> egammaPaths = findEgammaPaths();
      // std::cout << "Found " << egammaPaths[TYPE_SINGLE_ELE].size() << "
      // single electron paths" << std::endl; std::cout << "Found " <<
      // egammaPaths[TYPE_DOUBLE_ELE].size() << " double electron paths" <<
      // std::endl; std::cout << "Found " << egammaPaths[TYPE_TRIPLE_ELE].size()
      // << " triple electron paths" << std::endl; std::cout << "Found " <<
      // egammaPaths[TYPE_SINGLE_PHOTON].size() << " single photon paths" <<
      // std::endl; std::cout << "Found " <<
      // egammaPaths[TYPE_DOUBLE_PHOTON].size() << " double photon paths" <<
      // std::endl;

      std::vector<std::string> filterModules;

      for (unsigned int j = 0; j < egammaPaths.size(); j++) {
        if (verbosity_ >= OUTPUT_ALL) {
          switch (j) {
            case TYPE_SINGLE_ELE:
              edm::LogPrint("EmDQM") << "////////////////////////////////////////"
                                        "/\nSingle electron paths: ";
              break;
            case TYPE_DOUBLE_ELE:
              edm::LogPrint("EmDQM") << "////////////////////////////////////////"
                                        "/\nDouble electron paths: ";
              break;
            case TYPE_TRIPLE_ELE:
              edm::LogPrint("EmDQM") << "////////////////////////////////////////"
                                        "/\nTriple electron paths: ";
              break;
            case TYPE_SINGLE_PHOTON:
              edm::LogPrint("EmDQM") << "////////////////////////////////////////"
                                        "/\nSingle photon paths: ";
              break;
            case TYPE_DOUBLE_PHOTON:
              edm::LogPrint("EmDQM") << "////////////////////////////////////////"
                                        "/\nDouble photon paths: ";
              break;
          }
        }

        for (unsigned int i = 0; i < egammaPaths.at(j).size(); i++) {
          // get pathname of this trigger
          const std::string pathName = egammaPaths.at(j).at(i);
          if (verbosity_ >= OUTPUT_ALL)
            edm::LogPrint("EmDQM") << "Path: " << pathName;

          // get filters of the current path
          filterModules = getFilterModules(pathName);

          //--------------------
          edm::ParameterSet paramSet;

          paramSet.addUntrackedParameter("pathIndex", hltConfig_.triggerIndex(pathName));
          paramSet.addParameter("@module_label", hltConfig_.removeVersion(pathName) + "_DQM");
          // paramSet.addParameter("@module_label", pathName + "_DQM");

          // plotting parameters (untracked because they don't affect the
          // physics)
          double genEtMin = getPrimaryEtCut(pathName);
          if (genEtMin >= 0) {
            paramSet.addUntrackedParameter("genEtMin", genEtMin);
          } else {
            if (verbosity_ >= OUTPUT_WARNINGS)
              edm::LogWarning("EmDQM") << "Pathname: '" << pathName
                                       << "':  Unable to determine a minimum Et. Will not include "
                                          "this path in the validation.";
            continue;
          }

          // set the x axis of the et plots to some reasonable value based
          // on the primary et cut determined from the path name
          double ptMax = ptMax_;
          double ptMin = ptMin_;
          if (ptMax < (1.2 * genEtMin)) {
            paramSet.addUntrackedParameter<double>("PtMax", (10 * ceil(0.12 * genEtMin)));
            paramSet.addUntrackedParameter<double>("PtMin", (10 * ceil(0.12 * genEtMin) - ptMax + ptMin));
          } else {
            paramSet.addUntrackedParameter<double>("PtMax", ptMax);
            paramSet.addUntrackedParameter<double>("PtMin", ptMin);
          }

          // preselction cuts
          switch (j) {
            case TYPE_SINGLE_ELE:
              paramSet.addParameter<unsigned>("reqNum", 1);
              paramSet.addParameter<int>("pdgGen", 11);
              paramSet.addParameter<edm::InputTag>("cutcollection", edm::InputTag("fiducialWenu"));
              paramSet.addParameter<int>("cutnum", 1);
              break;
            case TYPE_DOUBLE_ELE:
              paramSet.addParameter<unsigned>("reqNum", 2);
              paramSet.addParameter<int>("pdgGen", 11);
              paramSet.addParameter<edm::InputTag>("cutcollection", edm::InputTag("fiducialZee"));
              paramSet.addParameter<int>("cutnum", 2);
              break;
            case TYPE_TRIPLE_ELE:
              paramSet.addParameter<unsigned>("reqNum", 3);
              paramSet.addParameter<int>("pdgGen", 11);
              paramSet.addParameter<edm::InputTag>("cutcollection", edm::InputTag("fiducialTripleEle"));
              paramSet.addParameter<int>("cutnum", 3);
              break;
            case TYPE_SINGLE_PHOTON:
              paramSet.addParameter<unsigned>("reqNum", 1);
              paramSet.addParameter<int>("pdgGen", 22);
              paramSet.addParameter<edm::InputTag>("cutcollection", edm::InputTag("fiducialGammaJet"));
              paramSet.addParameter<int>("cutnum", 1);
              break;
            case TYPE_DOUBLE_PHOTON:
              paramSet.addParameter<unsigned>("reqNum", 2);
              paramSet.addParameter<int>("pdgGen", 22);
              paramSet.addParameter<edm::InputTag>("cutcollection", edm::InputTag("fiducialDiGamma"));
              paramSet.addParameter<int>("cutnum", 2);
          }
          //--------------------

          // TODO: extend this
          if (isData_)
            paramSet.addParameter<edm::InputTag>("cutcollection", edm::InputTag("gsfElectrons"));

          std::vector<edm::ParameterSet> filterVPSet;
          edm::ParameterSet filterPSet;
          std::string moduleLabel;

          // loop over filtermodules of current trigger path
          for (std::vector<std::string>::iterator filter = filterModules.begin(); filter != filterModules.end();
               ++filter) {
            std::string moduleType = hltConfig_.modulePSet(*filter).getParameter<std::string>("@module_type");
            moduleLabel = hltConfig_.modulePSet(*filter).getParameter<std::string>("@module_label");

            // first check if it is a filter we are not interrested in
            if (moduleType == "Pythia6GeneratorFilter" || moduleType == "HLTTriggerTypeFilter" ||
                moduleType == "HLTLevel1Activity" || moduleType == "HLTPrescaler" || moduleType == "HLTBool")
              continue;

            // now check for the known filter types
            if (moduleType == "HLTLevel1GTSeed") {
              filterPSet = makePSetForL1SeedFilter(moduleLabel);
            } else if (moduleType == "HLTEgammaL1MatchFilterRegional") {
              filterPSet = makePSetForL1SeedToSuperClusterMatchFilter(moduleLabel);
            } else if (moduleType == "HLTEgammaEtFilter") {
              filterPSet = makePSetForEtFilter(moduleLabel);
            } else if (moduleType == "HLTElectronOneOEMinusOneOPFilterRegional") {
              filterPSet = makePSetForOneOEMinusOneOPFilter(moduleLabel);
            } else if (moduleType == "HLTElectronPixelMatchFilter") {
              filterPSet = makePSetForPixelMatchFilter(moduleLabel);
            } else if (moduleType == "HLTEgammaGenericFilter") {
              filterPSet = makePSetForEgammaGenericFilter(moduleLabel);
            } else if (moduleType == "HLTEgammaGenericQuadraticFilter") {
              filterPSet = makePSetForEgammaGenericQuadraticFilter(moduleLabel);
            } else if (moduleType == "HLTElectronGenericFilter") {
              filterPSet = makePSetForElectronGenericFilter(moduleLabel);
            } else if (moduleType == "HLTEgammaDoubleEtDeltaPhiFilter") {
              filterPSet = makePSetForEgammaDoubleEtDeltaPhiFilter(moduleLabel);
            } else if (moduleType == "HLTGlobalSumsMET" || moduleType == "HLTHtMhtFilter" ||
                       moduleType == "HLTMhtFilter" || moduleType == "HLTJetTag" || moduleType == "HLT1CaloJet" ||
                       moduleType == "HLT1CaloMET" || moduleType == "HLT1CaloBJet" || moduleType == "HLT1Tau" ||
                       moduleType == "HLT1PFTau" || moduleType == "PFTauSelector" || moduleType == "HLT1PFJet" ||
                       moduleType == "HLTPFJetCollectionsFilter" || moduleType == "HLTPFJetCollectionsVBFFilter" ||
                       moduleType == "HLTPFJetTag" || moduleType == "EtMinCaloJetSelector" ||
                       moduleType == "EtMinPFJetSelector" || moduleType == "LargestEtCaloJetSelector" ||
                       moduleType == "LargestEtPFJetSelector" ||
                       moduleType == "HLTEgammaTriggerFilterObjectWrapper"  // 'fake' filter
                       || moduleType == "HLTEgammaDoubleLegCombFilter"      // filter does not put
                                                                            // anything in
                                                                            // TriggerEventWithRefs
                       || moduleType == "HLT2ElectronMET" || moduleType == "HLT2ElectronTau" ||
                       moduleType == "HLT2ElectronPFTau" || moduleType == "HLTPMMassFilter" ||
                       moduleType == "HLTHcalTowerFilter" || moduleType == "HLT1Photon" || moduleType == "HLTRFilter" ||
                       moduleType == "HLTRHemisphere" || moduleType == "HLTElectronPFMTFilter" ||
                       moduleType == "PrimaryVertexObjectFilter" || moduleType == "HLTEgammaAllCombMassFilter" ||
                       moduleType.find("HLTMuon") != std::string::npos)
              continue;
            else {
              if (verbosity_ >= OUTPUT_WARNINGS)
                edm::LogWarning("EmDQM") << "No parameter set for filter '" << moduleLabel << "' with filter type '"
                                         << moduleType << "' added. Module will not be analyzed.";
              continue;
            }

            // something went wrong when the parameter set is empty.
            if (!filterPSet.empty()) {
              if (!hltConfig_.modulePSet(moduleLabel).exists("saveTags")) {
                // make sure that 'theHLTOutputTypes' before an unseeded filter
                // in a photon path is set to trigger::TriggerPhoton this is
                // coupled to the parameter 'saveTag = true'
                if (moduleLabel.find("Unseeded") != std::string::npos &&
                    (j == TYPE_DOUBLE_PHOTON || j == TYPE_SINGLE_PHOTON)) {
                  filterVPSet.back().addParameter<int>("theHLTOutputTypes", trigger::TriggerPhoton);
                }
              }
              // if ncandcut is -1 (when parsing for the number of particles in
              // the name of the L1seed filter fails), fall back to setting
              // ncandcut to the number of particles needed for the given path.
              if (filterPSet.getParameter<int>("ncandcut") < 0) {
                edm::LogPrint("EmDQM") << "No number of candidates for filter " << moduleLabel << " found. Set to "
                                       << paramSet.getParameter<int>("cutnum") << ", determined from path name.";
                filterPSet.addParameter<int>("ncandcut", paramSet.getParameter<int>("cutnum"));
              } else if (filterPSet.getParameter<int>("ncandcut") > paramSet.getParameter<int>("cutnum")) {
                edm::LogInfo("EmDQM") << "Changed required number of candidates from "
                                      << paramSet.getParameter<int>("cutnum") << " to "
                                      << filterPSet.getParameter<int>("ncandcut") << " for filter " << moduleLabel;
                paramSet.addParameter<int>("cutnum", filterPSet.getParameter<int>("ncandcut"));
                paramSet.addParameter<unsigned>("reqNum", (unsigned)filterPSet.getParameter<int>("ncandcut"));
              }

              filterVPSet.push_back(filterPSet);
            } else
              break;

          }  // end loop over filter modules of current trigger path

          // do not include this path when an empty filterPSet is detected.
          if (!filterPSet.empty()) {
            std::string lastModuleName = filterPSet.getParameter<edm::InputTag>("HLTCollectionLabels").label();
            if (!hltConfig_.modulePSet(lastModuleName).exists("saveTags")) {
              // make sure that 'theHLTOutputTypes' of the last filter of a
              // photon path is set to trigger::TriggerPhoton this is coupled to
              // the parameter 'saveTag = true'
              if ((j == TYPE_SINGLE_PHOTON || j == TYPE_DOUBLE_PHOTON) && pathName.rfind("Ele") == std::string::npos) {
                filterVPSet.back().addParameter<int>("theHLTOutputTypes", trigger::TriggerPhoton);
              }
            }
            paramSet.addParameter<std::vector<edm::ParameterSet>>("filters", filterVPSet);
          } else {
            if (verbosity_ >= OUTPUT_ALL)
              edm::LogPrint("EmDQM") << "Will not include this path in the validation due to "
                                        "errors while generating the parameter set.";
            continue;
          }

          // dump generated parameter set
          // std::cout << paramSet.dump() << std::endl;

          paramSets.push_back(paramSet);
        }  // loop over all paths of this analysis type

      }  // loop over analysis types (single ele etc.)
    }

    hltCollectionLabelsFoundPerPath.reserve(paramSets.size());
    hltCollectionLabelsMissedPerPath.reserve(paramSets.size());

    // loop over all the trigger path parameter sets
    for (std::vector<edm::ParameterSet>::iterator psetIt = paramSets.begin(); psetIt != paramSets.end(); ++psetIt) {
      hltCollectionLabelsFoundPerPath.push_back(hltCollectionLabelsFound);
      hltCollectionLabelsMissedPerPath.push_back(hltCollectionLabelsMissed);
    }

    if (changed) {
      // The HLT config has actually changed wrt the previous Run, hence rebook
      // your histograms or do anything else dependent on the revised HLT config
    }
  } else {
    // if init returns FALSE, initialisation has NOT succeeded, which indicates
    // a problem with the file and/or code and needs to be investigated!
    if (verbosity_ >= OUTPUT_ERRORS)
      edm::LogError("EmDQM") << " HLT config extraction failure with process name '" << triggerObject_.process()
                             << "'.";
    // In this case, all access methods will return empty values!
  }
}

void EmDQM::bookHistograms(DQMStore::IBooker &iBooker, edm::Run const &iRun, edm::EventSetup const &iSetup) {
  // loop over all the trigger path parameter sets
  for (std::vector<edm::ParameterSet>::iterator psetIt = paramSets.begin(); psetIt != paramSets.end(); ++psetIt) {
    SetVarsFromPSet(psetIt);

    iBooker.setCurrentFolder(dirname_);

    //  Set up Histogram of Effiency vs Step.                 //
    //   theHLTCollectionLabels is a vector of InputTags      //
    //    from the configuration file.                        //
    // Et & eta distributions
    std::vector<MonitorElement *> etahist;
    std::vector<MonitorElement *> phihist;
    std::vector<MonitorElement *> ethist;
    std::vector<MonitorElement *> etahistmatch;
    std::vector<MonitorElement *> phihistmatch;
    std::vector<MonitorElement *> ethistmatch;
    std::vector<MonitorElement *> histEtOfHltObjMatchToGen;
    std::vector<MonitorElement *> histEtaOfHltObjMatchToGen;
    std::vector<MonitorElement *> histPhiOfHltObjMatchToGen;
    std::vector<MonitorElement *> etaphihist;
    std::vector<MonitorElement *> etaphihistmatch;
    std::vector<MonitorElement *> histEtaPhiOfHltObjMatchToGen;
    // Plots of efficiency per step
    MonitorElement *total;
    MonitorElement *totalmatch;
    // generator histograms
    MonitorElement *etgen;
    MonitorElement *etagen;
    MonitorElement *phigen;
    MonitorElement *etaphigen;

    std::string histName = "total_eff";
    std::string histTitle = "total events passing";
    if (!mcMatchedOnly_) {
      // This plot will have bins equal to 2+(number of
      //        HLTCollectionLabels in the config file)
      total = iBooker.book1D(
          histName.c_str(), histTitle.c_str(), numOfHLTCollectionLabels + 2, 0, numOfHLTCollectionLabels + 2);
      total->setBinLabel(numOfHLTCollectionLabels + 1, "Total");
      total->setBinLabel(numOfHLTCollectionLabels + 2, "Gen");
      for (unsigned int u = 0; u < numOfHLTCollectionLabels; u++) {
        total->setBinLabel(u + 1, theHLTCollectionLabels[u].label());
      }
    }

    histName = "total_eff_MC_matched";
    histTitle = "total events passing (mc matched)";
    totalmatch = iBooker.book1D(
        histName.c_str(), histTitle.c_str(), numOfHLTCollectionLabels + 2, 0, numOfHLTCollectionLabels + 2);
    totalmatch->setBinLabel(numOfHLTCollectionLabels + 1, "Total");
    totalmatch->setBinLabel(numOfHLTCollectionLabels + 2, "Gen");
    for (unsigned int u = 0; u < numOfHLTCollectionLabels; u++) {
      totalmatch->setBinLabel(u + 1, theHLTCollectionLabels[u].label());
    }

    MonitorElement *tmphisto;
    // MonitorElement* tmpiso;

    // Set up generator-level histograms                      //
    std::string pdgIdString;
    switch (pdgGen) {
      case 11:
        pdgIdString = "Electron";
        break;
      case 22:
        pdgIdString = "Photon";
        break;
      default:
        pdgIdString = "Particle";
    }

    histName = "gen_et";
    histTitle = "E_{T} of " + pdgIdString + "s";
    etgen = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, plotPtMin, plotPtMax);
    histName = "gen_eta";
    histTitle = "#eta of " + pdgIdString + "s ";
    etagen = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, -etaMax_, etaMax_);
    histName = "gen_phi";
    histTitle = "#phi of " + pdgIdString + "s ";
    if (!noPhiPlots_)
      phigen = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, -phiMax_, phiMax_);
    histName = "gen_etaphi";
    histTitle = "#eta-#phi of " + pdgIdString + "s ";
    etaphigen = iBooker.book2D(
        histName.c_str(), histTitle.c_str(), nbins2D_ - 2, -eta2DMax_, eta2DMax_, nbins2D_, -phi2DMax_, phi2DMax_);
    //  Set up histograms of HLT objects                      //
    // Determine what strings to use for histogram titles
    std::vector<std::string> HltHistTitle;
    if (theHLTCollectionHumanNames.size() == numOfHLTCollectionLabels && useHumanReadableHistTitles_) {
      HltHistTitle = theHLTCollectionHumanNames;
    } else {
      for (unsigned int i = 0; i < numOfHLTCollectionLabels; i++) {
        HltHistTitle.push_back(theHLTCollectionLabels[i].label());
      }
    }

    for (unsigned int i = 0; i < numOfHLTCollectionLabels; i++) {
      if (!mcMatchedOnly_) {
        // Et distribution of HLT objects passing filter i
        histName = theHLTCollectionLabels[i].label() + "et_all";
        histTitle = HltHistTitle[i] + " Et (ALL)";
        tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, plotPtMin, plotPtMax);
        ethist.push_back(tmphisto);

        // Eta distribution of HLT objects passing filter i
        histName = theHLTCollectionLabels[i].label() + "eta_all";
        histTitle = HltHistTitle[i] + " #eta (ALL)";
        tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, -etaMax_, etaMax_);
        etahist.push_back(tmphisto);

        if (!noPhiPlots_) {
          // Phi distribution of HLT objects passing filter i
          histName = theHLTCollectionLabels[i].label() + "phi_all";
          histTitle = HltHistTitle[i] + " #phi (ALL)";
          tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, -phiMax_, phiMax_);
          phihist.push_back(tmphisto);
        }

        histName = theHLTCollectionLabels[i].label() + "etaphi_all";
        histTitle = HltHistTitle[i] + " #eta-#phi (ALL)";
        tmphisto = iBooker.book2D(
            histName.c_str(), histTitle.c_str(), nbins2D_ - 2, -eta2DMax_, eta2DMax_, nbins2D_, -phi2DMax_, phi2DMax_);
        etaphihist.push_back(tmphisto);

        // Et distribution of HLT object that is closest delta-R match to sorted
        // gen particle(s)
        histName = theHLTCollectionLabels[i].label() + "et";
        histTitle = HltHistTitle[i] + " Et";
        tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, plotPtMin, plotPtMax);
        histEtOfHltObjMatchToGen.push_back(tmphisto);

        // eta distribution of HLT object that is closest delta-R match to
        // sorted gen particle(s)
        histName = theHLTCollectionLabels[i].label() + "eta";
        histTitle = HltHistTitle[i] + " eta";
        tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, -etaMax_, etaMax_);
        histEtaOfHltObjMatchToGen.push_back(tmphisto);

        if (!noPhiPlots_) {
          // phi distribution of HLT object that is closest delta-R match to
          // sorted gen particle(s)
          histName = theHLTCollectionLabels[i].label() + "phi";
          histTitle = HltHistTitle[i] + " phi";
          tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, -phiMax_, phiMax_);
          histPhiOfHltObjMatchToGen.push_back(tmphisto);
        }

        histName = theHLTCollectionLabels[i].label() + "etaphi";
        histTitle = HltHistTitle[i] + " eta-phi";
        tmphisto = iBooker.book2D(
            histName.c_str(), histTitle.c_str(), nbins2D_ - 2, -eta2DMax_, eta2DMax_, nbins2D_, -phi2DMax_, phi2DMax_);
        histEtaPhiOfHltObjMatchToGen.push_back(tmphisto);
      }

      // Et distribution of gen object matching HLT object passing filter i
      histName = theHLTCollectionLabels[i].label() + "et_MC_matched";
      histTitle = HltHistTitle[i] + " Et (MC matched)";
      tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, plotPtMin, plotPtMax);
      ethistmatch.push_back(tmphisto);

      // Eta distribution of gen object matching HLT object passing filter i
      histName = theHLTCollectionLabels[i].label() + "eta_MC_matched";
      histTitle = HltHistTitle[i] + " #eta (MC matched)";
      tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, -etaMax_, etaMax_);
      etahistmatch.push_back(tmphisto);

      if (!noPhiPlots_) {
        // Phi distribution of gen object matching HLT object passing filter i
        histName = theHLTCollectionLabels[i].label() + "phi_MC_matched";
        histTitle = HltHistTitle[i] + " #phi (MC matched)";
        tmphisto = iBooker.book1D(histName.c_str(), histTitle.c_str(), nbins_, -phiMax_, phiMax_);
        phihistmatch.push_back(tmphisto);
      }

      histName = theHLTCollectionLabels[i].label() + "etaphi_MC_matched";
      histTitle = HltHistTitle[i] + " #eta-#phi (MC matched)";
      tmphisto = iBooker.book2D(
          histName.c_str(), histTitle.c_str(), nbins2D_ - 2, -eta2DMax_, eta2DMax_, nbins2D_, -phi2DMax_, phi2DMax_);
      etaphihistmatch.push_back(tmphisto);
    }

    // Et & eta distributions
    etahists.push_back(etahist);
    phihists.push_back(phihist);
    ethists.push_back(ethist);
    etahistmatchs.push_back(etahistmatch);
    phihistmatchs.push_back(phihistmatch);
    ethistmatchs.push_back(ethistmatch);
    histEtOfHltObjMatchToGens.push_back(histEtOfHltObjMatchToGen);
    histEtaOfHltObjMatchToGens.push_back(histEtaOfHltObjMatchToGen);
    histPhiOfHltObjMatchToGens.push_back(histPhiOfHltObjMatchToGen);
    etaphihists.push_back(etaphihist);
    etaphihistmatchs.push_back(etaphihistmatch);
    histEtaPhiOfHltObjMatchToGens.push_back(histEtaPhiOfHltObjMatchToGen);
    // commented out because uses data not included in HTLDEBUG and uses
    // Isolation distributions
    // etahistisos.push_back(etahistiso);
    // phihistisos.push_back(phihistiso);
    // ethistisos.push_back(ethistiso);
    // etahistisomatchs.push_back(etahistisomatch);
    // phihistisomatchs.push_back(phihistisomatch);
    // ethistisomatchs.push_back(ethistisomatch);
    // histEtIsoOfHltObjMatchToGens.push_back(histEtIsoOfHltObjMatchToGen);
    // histEtaIsoOfHltObjMatchToGens.push_back(histEtaIsoOfHltObjMatchToGen);
    // histPhiIsoOfHltObjMatchToGens.push_back(histPhiIsoOfHltObjMatchToGen);

    totals.push_back(total);
    totalmatchs.push_back(totalmatch);
    etgens.push_back(etgen);
    etagens.push_back(etagen);
    phigens.push_back(phigen);
    etaphigens.push_back(etaphigen);
  }
}

//                                Destructor                                  //
EmDQM::~EmDQM() {}

bool EmDQM::checkGeneratedParticlesRequirement(const edm::Event &event) {
  // Decide if this was an event of interest.               //
  //  Did the highest energy particles happen               //
  //  to have |eta| < 2.5 ?  Then continue.                 //
  edm::Handle<edm::View<reco::Candidate>> genParticles;
  event.getByToken(genParticles_token, genParticles);
  if (!genParticles.isValid()) {
    if (verbosity_ >= OUTPUT_WARNINGS)
      edm::LogWarning("EmDQM") << "genParticles invalid.";
    return false;
  }

  std::vector<reco::LeafCandidate> allSortedGenParticles;

  for (edm::View<reco::Candidate>::const_iterator currentGenParticle = genParticles->begin();
       currentGenParticle != genParticles->end();
       currentGenParticle++) {
    // TODO: do we need to check the states here again ?
    // in principle, there should collections produced with the python
    // configuration (other than 'genParticles') which fulfill these criteria
    if (!(abs((*currentGenParticle).pdgId()) == pdgGen && (*currentGenParticle).status() == 1 &&
          (*currentGenParticle).et() > 2.0))
      continue;

    reco::LeafCandidate tmpcand(*(currentGenParticle));

    if (tmpcand.et() < plotEtMin)
      continue;

    allSortedGenParticles.push_back(tmpcand);
  }

  std::sort(allSortedGenParticles.begin(), allSortedGenParticles.end(), pTGenComparator_);

  // return false if not enough particles found
  if (allSortedGenParticles.size() < gencut_)
    return false;

  // additional check (this might be legacy code and we need to check
  // whether this should not be removed ?)

  // We now have a sorted collection of all generated particles
  // with pdgId = pdgGen.
  // Loop over them to see if the top gen particles have eta within acceptance
  // bool keepEvent = true;
  for (unsigned int i = 0; i < gencut_; i++) {
    bool inECALgap = fabs(allSortedGenParticles[i].eta()) > 1.4442 && fabs(allSortedGenParticles[i].eta()) < 1.556;
    if ((fabs(allSortedGenParticles[i].eta()) > genEtaAcc_) || inECALgap) {
      // edm::LogWarning("EmDQM") << "Throwing event away. Gen particle with
      // pdgId="<< allSortedGenParticles[i].pdgId() <<"; et="<<
      // allSortedGenParticles[i].et() <<"; and eta="<<
      // allSortedGenParticles[i].eta() <<" beyond acceptance.";
      return false;
    }
  }

  // all tests passed
  return true;
}

bool EmDQM::checkRecoParticlesRequirement(const edm::Event &event) {
  // note that this code is very similar to the one in
  // checkGeneratedParticlesRequirement(..) and hopefully can be merged with it
  // at some point in the future

  edm::Handle<edm::View<reco::Candidate>> referenceParticles;
  // get the right data according to the trigger path currently looked at
  if (autoConfMode_) {
    switch (reqNum) {
      case 1:
        if (pdgGen == 11)
          event.getByToken(gencutColl_fidWenu_token, referenceParticles);
        else
          event.getByToken(gencutColl_fidGammaJet_token, referenceParticles);
        break;
      case 2:
        if (pdgGen == 11)
          event.getByToken(gencutColl_fidZee_token, referenceParticles);
        else
          event.getByToken(gencutColl_fidDiGamma_token, referenceParticles);
        break;
      case 3:
        event.getByToken(gencutColl_fidTripleEle_token, referenceParticles);
        break;
    }
  } else {
    event.getByToken(gencutColl_manualConf_token, referenceParticles);
  }
  if (!referenceParticles.isValid()) {
    if (verbosity_ >= OUTPUT_WARNINGS)
      edm::LogWarning("EmDQM") << "referenceParticles invalid.";
    return false;
  }

  std::vector<const reco::Candidate *> allSortedReferenceParticles;

  for (edm::View<reco::Candidate>::const_iterator currentReferenceParticle = referenceParticles->begin();
       currentReferenceParticle != referenceParticles->end();
       currentReferenceParticle++) {
    if (currentReferenceParticle->et() <= 2.0)
      continue;

    // Note that for determining the overall efficiency,
    // we should only allow
    //
    // HOWEVER: for turn-on curves, we need to let
    //          more electrons pass
    if (currentReferenceParticle->et() < plotEtMin)
      continue;

    // TODO: instead of filling a new vector we could simply count here...
    allSortedReferenceParticles.push_back(&(*currentReferenceParticle));
  }

  // std::sort(allSortedReferenceParticles.begin(),
  // allSortedReferenceParticles.end(),pTComparator_);

  // return false if not enough particles found
  return allSortedReferenceParticles.size() >= gencut_;
}

//                     method called to for each event                        //
void EmDQM::analyze(const edm::Event &event, const edm::EventSetup &setup) {
  // loop over all the trigger path parameter sets
  unsigned int vPos = 0;
  for (std::vector<edm::ParameterSet>::iterator psetIt = paramSets.begin(); psetIt != paramSets.end();
       ++psetIt, ++vPos) {
    SetVarsFromPSet(psetIt);
    // get the set forthe current path
    hltCollectionLabelsFound = hltCollectionLabelsFoundPerPath.at(vPos);
    hltCollectionLabelsMissed = hltCollectionLabelsMissedPerPath.at(vPos);

    //           Check if there's enough gen particles        //
    //             of interest                                //
    // get the right data according to the trigger path currently looked at
    edm::Handle<edm::View<reco::Candidate>> cutCounter;
    if (autoConfMode_) {
      switch (reqNum) {
        case 1:
          if (pdgGen == 11)
            event.getByToken(gencutColl_fidWenu_token, cutCounter);
          else
            event.getByToken(gencutColl_fidGammaJet_token, cutCounter);
          break;
        case 2:
          if (pdgGen == 11)
            event.getByToken(gencutColl_fidZee_token, cutCounter);
          else
            event.getByToken(gencutColl_fidDiGamma_token, cutCounter);
          break;
        case 3:
          event.getByToken(gencutColl_fidTripleEle_token, cutCounter);
          break;
      }
    } else {
      event.getByToken(gencutColl_manualConf_token, cutCounter);
    }
    if (cutCounter->size() < (unsigned int)gencut_) {
      // edm::LogWarning("EmDQM") << "Less than "<< gencut_ <<" gen particles
      // with pdgId=" << pdgGen;
      continue;
    }

    // fill L1 and HLT info
    // get objects possed by each filter
    edm::Handle<trigger::TriggerEventWithRefs> triggerObj;
    event.getByToken(triggerObject_token, triggerObj);
    if (!triggerObj.isValid()) {
      if (verbosity_ >= OUTPUT_WARNINGS)
        edm::LogWarning("EmDQM") << "parameter triggerobject (" << triggerObject_
                                 << ") does not corresond to a valid TriggerEventWithRefs product. "
                                    "Please check especially the process name (e.g. when running "
                                    "over reprocessed datasets)";
      continue;
    }

    // Were enough high energy gen particles found?
    if (event.isRealData()) {
      // running validation on data.
      // TODO: we should check that the entire
      //       run is on the same type (all data or
      //       all MC). Otherwise one gets
      //       uninterpretable results...
      if (!checkRecoParticlesRequirement(event))
        continue;
    } else {  // MC
      // if no, throw event away
      if (!checkGeneratedParticlesRequirement(event))
        continue;
    }

    // It was an event worth keeping. Continue.

    //  Fill the bin labeled "Total"                          //
    //   This will be the number of events looked at.         //
    if (!mcMatchedOnly_)
      totals.at(vPos)->Fill(numOfHLTCollectionLabels + 0.5);
    totalmatchs.at(vPos)->Fill(numOfHLTCollectionLabels + 0.5);

    //               Fill generator info                      //
    // the gencut_ highest Et generator objects of the preselected type are our
    // matches

    std::vector<reco::Particle> sortedGen;
    for (edm::View<reco::Candidate>::const_iterator genpart = cutCounter->begin(); genpart != cutCounter->end();
         genpart++) {
      reco::Particle tmpcand(genpart->charge(), genpart->p4(), genpart->vertex(), genpart->pdgId(), genpart->status());
      if (tmpcand.et() >= plotEtMin) {
        sortedGen.push_back(tmpcand);
      }
    }
    std::sort(sortedGen.begin(), sortedGen.end(), pTComparator_);

    // Now the collection of gen particles is sorted by pt.
    // So, remove all particles from the collection so that we
    // only have the top "1 thru gencut_" particles in it
    if (sortedGen.size() < gencut_) {
      continue;
    }
    sortedGen.erase(sortedGen.begin() + gencut_, sortedGen.end());

    for (unsigned int i = 0; i < gencut_; i++) {
      etgens.at(vPos)->Fill(sortedGen[i].et());  // validity has been implicitily checked by the
                                                 // cut on gencut_ above
      if (sortedGen[i].et() > minEtForEtaEffPlot_) {
        etagens.at(vPos)->Fill(sortedGen[i].eta());
        if (!noPhiPlots_)
          phigens.at(vPos)->Fill(sortedGen[i].phi());
        etaphigens.at(vPos)->Fill(sortedGen[i].eta(), sortedGen[i].phi());
      }
    }  // END of loop over Generated particles
    if (gencut_ >= reqNum && !mcMatchedOnly_)
      totals.at(vPos)->Fill(numOfHLTCollectionLabels +
                            1.5);  // this isn't really needed anymore keep for backward comp.
    if (gencut_ >= reqNum)
      totalmatchs.at(vPos)->Fill(numOfHLTCollectionLabels +
                                 1.5);  // this isn't really needed anymore keep for backward comp.

    bool accepted = true;  // flags that the event has been accepted by all filters before
    edm::Handle<edm::TriggerResults> hltResults;
    event.getByToken(hltResults_token, hltResults);
    //            Loop over filter modules                    //
    for (unsigned int n = 0; n < numOfHLTCollectionLabels; n++) {
      // check that there are not less sortedGen particles than nCandCut
      // requires for this filter
      if (sortedGen.size() < nCandCuts.at(n)) {
        if (verbosity_ >= OUTPUT_ERRORS)
          edm::LogError("EmDQM") << "There are less generated particles than the module '"
                                 << theHLTCollectionLabels[n].label() << "' requires.";
        continue;
      }
      std::vector<reco::Particle> sortedGenForFilter(sortedGen);
      sortedGenForFilter.erase(sortedGenForFilter.begin() + nCandCuts.at(n), sortedGenForFilter.end());

      // Fill only if this filter was run.
      if (pathIndex != 0 &&
          hltConfig_.moduleIndex(pathIndex, theHLTCollectionLabels[n].label()) > hltResults->index(pathIndex))
        break;
      // These numbers are from the Parameter Set, such as:
      //   theHLTOutputTypes = cms.uint32(100)
      switch (theHLTOutputTypes[n]) {
        case trigger::TriggerL1NoIsoEG:  // Non-isolated Level 1
          histoFillerL1NonIso->fillHistos(triggerObj, event, vPos, n, sortedGenForFilter, accepted);
          break;
        case trigger::TriggerL1IsoEG:  // Isolated Level 1
          histoFillerL1Iso->fillHistos(triggerObj, event, vPos, n, sortedGenForFilter, accepted);
          break;
        case trigger::TriggerPhoton:  // Photon
          histoFillerPho->fillHistos(triggerObj, event, vPos, n, sortedGenForFilter, accepted);
          break;
        case trigger::TriggerElectron:  // Electron
          histoFillerEle->fillHistos(triggerObj, event, vPos, n, sortedGenForFilter, accepted);
          break;
        case trigger::TriggerCluster:  // TriggerCluster
          histoFillerClu->fillHistos(triggerObj, event, vPos, n, sortedGenForFilter, accepted);
          break;
        default:
          throw(cms::Exception("Release Validation Error") << "HLT output type not implemented: theHLTOutputTypes[n]");
      }
    }  // END of loop over filter modules

    // earse the dummy and fill with real set
    hltCollectionLabelsFoundPerPath.at(vPos) = hltCollectionLabelsFound;
    hltCollectionLabelsMissedPerPath.at(vPos) = hltCollectionLabelsMissed;
  }
}

// fillHistos                                                                 //
//   Called by analyze method.                                                //
template <class T>
void HistoFiller<T>::fillHistos(edm::Handle<trigger::TriggerEventWithRefs> &triggerObj,
                                const edm::Event &iEvent,
                                unsigned int vPos,
                                unsigned int n,
                                std::vector<reco::Particle> &sortedGen,
                                bool &accepted) {
  std::vector<edm::Ref<T>> recoecalcands;
  if ((triggerObj->filterIndex(dqm->theHLTCollectionLabels[n]) >= triggerObj->size())) {  // only process if available
    dqm->hltCollectionLabelsMissed.insert(dqm->theHLTCollectionLabels[n].encode());
    accepted = false;
    return;
  }

  dqm->hltCollectionLabelsFound.insert(dqm->theHLTCollectionLabels[n].encode());

  //      Retrieve saved filter objects                     //
  triggerObj->getObjects(
      triggerObj->filterIndex(dqm->theHLTCollectionLabels[n]), dqm->theHLTOutputTypes[n], recoecalcands);
  // Danger: special case, L1 non-isolated
  // needs to be merged with L1 iso
  if (dqm->theHLTOutputTypes[n] == trigger::TriggerL1NoIsoEG) {
    std::vector<edm::Ref<T>> isocands;
    triggerObj->getObjects(triggerObj->filterIndex(dqm->theHLTCollectionLabels[n]), trigger::TriggerL1IsoEG, isocands);
    if (!isocands.empty()) {
      for (unsigned int i = 0; i < isocands.size(); i++)
        recoecalcands.push_back(isocands[i]);
    }
  }  // END of if theHLTOutputTypes == 82

  if (recoecalcands.empty()) {  // stop if no object passed the previous filter
    accepted = false;
    return;
  }

  // if (recoecalcands.size() >= reqNum )
  if (recoecalcands.size() >= dqm->nCandCuts.at(n) && !dqm->mcMatchedOnly_)
    dqm->totals.at(vPos)->Fill(n + 0.5);

  // check for validity                            //
  // prevents crash in CMSSW_3_1_0_pre6            //
  for (unsigned int j = 0; j < recoecalcands.size(); j++) {
    if (!(recoecalcands.at(j).isAvailable())) {
      if (dqm->verbosity_ >= dqm->OUTPUT_ERRORS)
        edm::LogError("EmDQMInvalidRefs") << "Event content inconsistent: TriggerEventWithRefs contains "
                                             "invalid Refs. Invalid refs for: "
                                          << dqm->theHLTCollectionLabels[n].label()
                                          << ". The collection that this module uses may has been dropped in "
                                             "the event.";
      return;
    }
  }

  if (!dqm->mcMatchedOnly_) {
    // Loop over the Generated Particles, and find the        //
    // closest HLT object match.                              //
    // for (unsigned int i=0; i < gencut_; i++) {
    for (unsigned int i = 0; i < dqm->nCandCuts.at(n); i++) {
      math::XYZVector currentGenParticleMomentum = sortedGen[i].momentum();

      float closestDeltaR = 0.5;
      int closestEcalCandIndex = -1;
      for (unsigned int j = 0; j < recoecalcands.size(); j++) {
        float deltaR = DeltaR(recoecalcands[j]->momentum(), currentGenParticleMomentum);

        if (deltaR < closestDeltaR) {
          closestDeltaR = deltaR;
          closestEcalCandIndex = j;
        }
      }

      // If an HLT object was found within some delta-R
      // of this gen particle, store it in a histogram
      if (closestEcalCandIndex >= 0) {
        dqm->histEtOfHltObjMatchToGens.at(vPos).at(n)->Fill(recoecalcands[closestEcalCandIndex]->et());
        dqm->histEtaOfHltObjMatchToGens.at(vPos).at(n)->Fill(recoecalcands[closestEcalCandIndex]->eta());
        if (!dqm->noPhiPlots_)
          dqm->histPhiOfHltObjMatchToGens.at(vPos).at(n)->Fill(recoecalcands[closestEcalCandIndex]->phi());
        dqm->histEtaPhiOfHltObjMatchToGens.at(vPos).at(n)->Fill(recoecalcands[closestEcalCandIndex]->eta(),
                                                                recoecalcands[closestEcalCandIndex]->phi());
      }  // END of if closestEcalCandIndex >= 0
    }

    //  Loop over all HLT objects in this filter step, and    //
    //  fill histograms.                                      //
    //  bool foundAllMatches = false;
    //  unsigned int numOfHLTobjectsMatched = 0;
    for (unsigned int i = 0; i < recoecalcands.size(); i++) {
      // float closestGenParticleDr = 99.0;
      // for(unsigned int j =0; j < gencut_; j++) {
      //  math::XYZVector currentGenParticle = sortedGen[j].momentum();

      //  double currentDeltaR =
      //  DeltaR(recoecalcands[i]->momentum(),currentGenParticle); if (
      //  currentDeltaR < closestGenParticleDr ) {
      //    closestGenParticleDr = currentDeltaR;
      //  }
      //}
      // if ( !(fabs(closestGenParticleDr < 0.3)) ) continue;

      // numOfHLTobjectsMatched++;
      // if (numOfHLTobjectsMatched >= gencut_) foundAllMatches=true;

      // Fill HLT object histograms
      dqm->ethists.at(vPos).at(n)->Fill(recoecalcands[i]->et());
      dqm->etahists.at(vPos).at(n)->Fill(recoecalcands[i]->eta());
      if (!dqm->noPhiPlots_)
        dqm->phihists.at(vPos).at(n)->Fill(recoecalcands[i]->phi());
      dqm->etaphihists.at(vPos).at(n)->Fill(recoecalcands[i]->eta(), recoecalcands[i]->phi());
    }
  }

  //        Fill mc matched objects into histograms         //
  unsigned int matchedMcParts = 0;
  float mindist = 0.3;
  if (n == 0)
    mindist = 0.5;  // low L1-resolution => allow wider matching
  for (unsigned int i = 0; i < dqm->nCandCuts.at(n); ++i) {
    // match generator candidate
    bool matchThis = false;
    math::XYZVector candDir = sortedGen[i].momentum();
    // unsigned int closest = 0;
    double closestDr = 1000.;
    for (unsigned int trigOb = 0; trigOb < recoecalcands.size(); ++trigOb) {
      double dr = DeltaR(recoecalcands[trigOb]->momentum(), candDir);
      if (dr < closestDr) {
        closestDr = dr;
        // closest = trigOb;
      }
      if (closestDr > mindist) {  // it's not really a "match" if it's that far away
        // closest = -1;
      } else {
        matchedMcParts++;
        matchThis = true;
      }
    }
    if (!matchThis) {
      accepted = false;
      continue;  // only plot matched candidates
    }
    // fill coordinates of mc particle matching trigger object
    dqm->ethistmatchs.at(vPos).at(n)->Fill(sortedGen[i].et());
    if (sortedGen[i].et() > dqm->minEtForEtaEffPlot_) {
      dqm->etahistmatchs.at(vPos).at(n)->Fill(sortedGen[i].eta());
      if (!dqm->noPhiPlots_)
        dqm->phihistmatchs.at(vPos).at(n)->Fill(sortedGen[i].phi());
      dqm->etaphihistmatchs.at(vPos).at(n)->Fill(sortedGen[i].eta(), sortedGen[i].phi());
    }
  }
  // fill total mc matched efficiency

  if (matchedMcParts >= dqm->nCandCuts.at(n) && accepted == true)
    dqm->totalmatchs.at(vPos)->Fill(n + 0.5);
}

void EmDQM::dqmEndRun(edm::Run const &iRun, edm::EventSetup const &iSetup) {
  // loop over all the trigger path parameter sets
  unsigned int vPos = 0;
  for (std::vector<edm::ParameterSet>::iterator psetIt = paramSets.begin(); psetIt != paramSets.end();
       ++psetIt, ++vPos) {
    SetVarsFromPSet(psetIt);

    // print information about hltCollectionLabels which were not found
    // (but only those which were never found)

    // check which ones were never found
    std::vector<std::string> labelsNeverFound;

    for (const auto &tag : hltCollectionLabelsMissedPerPath.at(vPos)) {
      auto atag = edm::InputTag(tag);
      if ((hltCollectionLabelsFoundPerPath.at(vPos)).count(atag.encode()) == 0)
        // never found
        labelsNeverFound.push_back(atag.encode());

    }  // loop over all tags which were missed at least once

    if (labelsNeverFound.empty())
      continue;

    std::sort(labelsNeverFound.begin(), labelsNeverFound.end());

    // there was at least one label which was never found
    // (note that this could also be because the corresponding
    // trigger path slowly fades out to zero efficiency)
    if (verbosity_ >= OUTPUT_WARNINGS)
      edm::LogWarning("EmDQM") << "There were some HLTCollectionLabels which were never found:";

    for (auto const &tag : labelsNeverFound) {
      if (verbosity_ >= OUTPUT_ALL)
        edm::LogPrint("EmDQM") << "  " << tag;
    }
  }
}

// returns count of non-overlapping occurrences of 'sub' in 'str'
int EmDQM::countSubstring(const std::string &str, const std::string &sub) {
  if (sub.length() == 0)
    return 0;
  int count = 0;
  for (size_t offset = str.find(sub); offset != std::string::npos; offset = str.find(sub, offset + sub.length())) {
    ++count;
  }
  return count;
}

//----------------------------------------------------------------------
// find egamma trigger paths from trigger name
std::vector<std::vector<std::string>> EmDQM::findEgammaPaths() {
  std::vector<std::vector<std::string>> Paths(5);
  // Loop over all paths in the menu
  for (unsigned int i = 0; i < hltConfig_.size(); i++) {
    std::string path = hltConfig_.triggerName(i);

    // Find electron and photon paths and classify them
    if (int(path.find("HLT_")) == 0) {  // Path should start with 'HLT_'

      int scCount = countSubstring(path, "_SC");
      int eleCount = countSubstring(path, "Ele");
      int doubleEleCount = countSubstring(path, "DoubleEle");
      int doubleSCCount = countSubstring(path, "DiSC");
      int tripleEleCount = countSubstring(path, "TripleEle");
      int photonCount = countSubstring(path, "hoton");
      int doublePhotonCount = countSubstring(path, "DoublePhoton") + countSubstring(path, "Diphoton");

      int totEleCount = 2 * tripleEleCount + doubleEleCount + eleCount + scCount + 2 * doubleSCCount;
      int totPhotonCount = doublePhotonCount + photonCount;

      if (totEleCount + totPhotonCount < 1)
        continue;
      switch (totEleCount) {
        case 1:
          Paths[TYPE_SINGLE_ELE].push_back(path);
          // std::cout << "Electron \t" << path << std::endl;
          break;
        case 2:
          Paths[TYPE_DOUBLE_ELE].push_back(path);
          // std::cout << "DoubleElectron \t" << path << std::endl;
          break;
        case 3:
          Paths[TYPE_TRIPLE_ELE].push_back(path);
          // std::cout << "TripleElectron \t" << path << std::endl;
          break;
      }

      switch (totPhotonCount) {
        case 1:
          Paths[TYPE_SINGLE_PHOTON].push_back(path);
          // std::cout << "Photon \t\t" << path << std::endl;
          break;
        case 2:
          Paths[TYPE_DOUBLE_PHOTON].push_back(path);
          // std::cout << "DoublePhoton \t" << path << std::endl;
          break;
      }
    }
    // std::cout << i << " triggerName: " << path << " containing " <<
    // hltConfig_.size(i) << " modules."<< std::endl;
  }
  return Paths;
}

//----------------------------------------------------------------------
// get the names of filters of a given path
std::vector<std::string> EmDQM::getFilterModules(const std::string &path) {
  std::vector<std::string> filters;

  // std::cout << "Pathname: " << path << std::endl;

  // Loop over all modules in the path
  for (unsigned int i = 0; i < hltConfig_.size(path); i++) {
    std::string module = hltConfig_.moduleLabel(path, i);
    std::string moduleType = hltConfig_.moduleType(module);
    std::string moduleEDMType = hltConfig_.moduleEDMType(module);

    // Find filters
    if (moduleEDMType == "EDFilter" ||
        moduleType.find("Filter") != std::string::npos) {  // older samples may not have EDMType data
                                                           // included
      filters.push_back(module);
      // std::cout << i << "    moduleLabel: " << module << "    moduleType: "
      // << moduleType << "    moduleEDMType: " << moduleEDMType << std::endl;
    }
  }
  return filters;
}

//----------------------------------------------------------------------
// get the primary Et cut from the trigger name
double EmDQM::getPrimaryEtCut(const std::string &path) {
  double minEt = -1;

  boost::regex reg("^HLT_.*?(Ele|hoton|EG|SC)([[:digit:]]+).*");

  boost::smatch what;
  if (boost::regex_match(path, what, reg, boost::match_extra)) {
    minEt = std::stod(what[2]);
  }

  return minEt;
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForL1SeedFilter(const std::string &moduleName) {
  // generates a PSet to analyze the behaviour of an L1 seed.
  //
  // moduleName is the name of the HLT module which filters
  // on the L1 seed.
  edm::ParameterSet retPSet;

  retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
  // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
  // edm::InputTag(moduleName, "", processName_));
  retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
  retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections",
                                                   std::vector<edm::InputTag>(1, std::string("none")));
  retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerL1NoIsoEG);

  // as HLTLevel1GTSeed has no parameter ncandcut we determine the value from
  // the name of the filter

  int orCount = countSubstring(moduleName, "OR") + countSubstring(moduleName, "Or");
  int egCount = countSubstring(moduleName, "EG");
  int dEgCount = countSubstring(moduleName, "DoubleEG");
  int tEgCount = countSubstring(moduleName, "TripleEG");

  int candCount = 2 * tEgCount + dEgCount + egCount;
  // if L1 is and OR of triggers try the assumption that all of them are similar
  // first and if not take the lowest number. If this is not successful, let the
  // path name decide
  if (orCount > 0 && candCount > 0) {
    if (egCount % (orCount + 1) == 0 && dEgCount % (orCount + 1) == 0 && tEgCount % (orCount + 1) == 0)
      candCount /= (orCount + 1);
    else if (egCount - dEgCount - tEgCount > 0)
      candCount = 1;  // at least one singleEG present
    else if (dEgCount > 0)
      candCount = 2;  // at least one doubleEG and no singleEG present
    else if (tEgCount > 0)
      candCount = 3;  // only tripleEG present
    else
      candCount = -1;
  }

  switch (candCount) {
    case 0:
      retPSet.addParameter<int>("ncandcut", 0);
      break;
    case 1:
      retPSet.addParameter<int>("ncandcut", 1);
      break;
    case 2:
      retPSet.addParameter<int>("ncandcut", 2);
      break;
    case 3:
      retPSet.addParameter<int>("ncandcut", 3);
      break;
    default:
      retPSet.addParameter<int>("ncandcut", -1);
  }

  return retPSet;
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForL1SeedToSuperClusterMatchFilter(const std::string &moduleName) {
  // generates a PSet to analyze the behaviour of L1 to supercluster match
  // filter.
  //
  // moduleName is the name of the HLT module which requires the match
  // between supercluster and L1 seed.
  //
  edm::ParameterSet retPSet;

  retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
  // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
  // edm::InputTag(moduleName, "", processName_));
  retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
  retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections",
                                                   std::vector<edm::InputTag>(1, std::string("none")));
  retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerCluster);
  retPSet.addParameter<int>("ncandcut", hltConfig_.modulePSet(moduleName).getParameter<int>("ncandcut"));

  return retPSet;
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForEtFilter(const std::string &moduleName) {
  edm::ParameterSet retPSet;

  retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
  // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
  // edm::InputTag(moduleName, "", processName_));
  retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
  retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections",
                                                   std::vector<edm::InputTag>(1, std::string("none")));
  retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerCluster);
  retPSet.addParameter<int>("ncandcut", hltConfig_.modulePSet(moduleName).getParameter<int>("ncandcut"));

  return retPSet;
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForOneOEMinusOneOPFilter(const std::string &moduleName) {
  edm::ParameterSet retPSet;

  retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
  // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
  // edm::InputTag(moduleName, "", processName_));
  retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
  retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections",
                                                   std::vector<edm::InputTag>(1, std::string("none")));
  retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerElectron);
  retPSet.addParameter<int>("ncandcut", hltConfig_.modulePSet(moduleName).getParameter<int>("ncandcut"));

  return retPSet;
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForPixelMatchFilter(const std::string &moduleName) {
  edm::ParameterSet retPSet;

  retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
  // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
  // edm::InputTag(moduleName, "", processName_));
  retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
  retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections",
                                                   std::vector<edm::InputTag>(1, std::string("none")));
  retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerCluster);
  retPSet.addParameter<int>("ncandcut", hltConfig_.modulePSet(moduleName).getParameter<int>("ncandcut"));

  return retPSet;
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForEgammaDoubleEtDeltaPhiFilter(const std::string &moduleName) {
  edm::ParameterSet retPSet;

  retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
  // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
  // edm::InputTag(moduleName, "", processName_));
  retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
  retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections",
                                                   std::vector<edm::InputTag>(1, std::string("none")));
  retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerCluster);
  retPSet.addParameter<int>("ncandcut", 2);

  return retPSet;
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForEgammaGenericFilter(const std::string &moduleName) {
  edm::ParameterSet retPSet;

  // example usages of HLTEgammaGenericFilter are:
  //   R9 shape filter
  //   hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolR9ShapeFilter
  //   cluster shape filter
  //   hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolClusterShapeFilter
  //   Ecal isolation filter
  //   hltL1NonIsoHLTNonIsoSingleElectronEt17TIghterEleIdIsolEcalIsolFilter H/E
  //   filter hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolHEFilter
  //   HCAL isolation filter
  //   hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolHcalIsolFilter

  // infer the type of filter by the type of the producer which
  // generates the collection used to cut on this
  edm::InputTag varTag = hltConfig_.modulePSet(moduleName).getParameter<edm::InputTag>("varTag");
  // edm::InputTag nonIsoTag =
  // hltConfig_.modulePSet(moduleName).getParameter<edm::InputTag>("");
  // std::cout
  // << "varTag.label " << varTag.label() << " nonIsoTag.label " <<
  // nonIsoTag.label() << std::endl;

  std::string inputType = hltConfig_.moduleType(varTag.label());
  // std::cout << "inputType " << inputType << " moduleName " << moduleName <<
  // std::endl;

  //--------------------
  // sanity check: non-isolated path should be produced by the
  // same type of module

  // first check that the non-iso tag is non-empty
  // if (nonIsoTag.label().empty()) {
  //  edm::LogError("EmDQM") << "nonIsoTag of HLTEgammaGenericFilter '" <<
  //  moduleName <<  "' is empty."; return retPSet;
  //}
  // if (inputType != hltConfig_.moduleType(nonIsoTag.label())) {
  //  edm::LogError("EmDQM") << "C++ Type of varTag '" << inputType << "' and
  //  nonIsoTag '" << hltConfig_.moduleType(nonIsoTag.label()) << "' are not the
  //  same for HLTEgammaGenericFilter '" << moduleName <<  "'."; return retPSet;
  //}
  //--------------------

  // parameter saveTag determines the output type
  if (hltConfig_.saveTags(moduleName))
    retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerPhoton);
  else
    retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerCluster);

  std::vector<edm::InputTag> isoCollections;
  isoCollections.push_back(varTag);
  // if (!nonIsoTag.label().empty())
  //   isoCollections.push_back(nonIsoTag);

  //--------------------
  // the following cases seem to have identical PSets ?
  //--------------------

  if (inputType == "EgammaHLTR9IDProducer" ||                      // R9 ID
      inputType == "EgammaHLTClusterShapeProducer" ||              // cluster shape
      inputType == "EgammaHLTGsfTrackVarProducer" ||               // GSF track deta and dphi filter
      inputType == "EgammaHLTBcHcalIsolationProducersRegional" ||  // HCAL isolation, or H for H/E (based on CaloTowers)
      inputType == "EgammaHLTHcalVarProducerFromRecHit" ||         // HCAL isolation, or H for H/E (based on RecHits)
      inputType == "EgammaHLTEcalPFClusterIsolationProducer" ||    // ECAL PF isolation filter
      inputType == "EgammaHLTHcalPFClusterIsolationProducer" ||    // HCAL PF isolation filter
      inputType == "EgammaHLTElectronTrackIsolationProducers"      // Track isolation filter
  ) {
    retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
    // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
    // edm::InputTag(moduleName, "", processName_));
    retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
    retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections", isoCollections);
    retPSet.addParameter<int>("ncandcut", hltConfig_.modulePSet(moduleName).getParameter<int>("ncandcut"));

    return retPSet;
  }

  if (verbosity_ >= OUTPUT_ERRORS)
    edm::LogError("EmDQM") << "Can't determine what the HLTEgammaGenericFilter '" << moduleName
                           << "' should do: uses a collection produced by a module of C++ type '" << inputType << "'.";
  return edm::ParameterSet();
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForEgammaGenericQuadraticFilter(const std::string &moduleName) {
  edm::ParameterSet retPSet;

  // example usages of HLTEgammaGenericFilter are:
  //   R9 shape filter
  //   hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolR9ShapeFilter
  //   cluster shape filter
  //   hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolClusterShapeFilter
  //   Ecal isolation filter
  //   hltL1NonIsoHLTNonIsoSingleElectronEt17TIghterEleIdIsolEcalIsolFilter H/E
  //   filter hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolHEFilter
  //   HCAL isolation filter
  //   hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolHcalIsolFilter

  // infer the type of filter by the type of the producer which
  // generates the collection used to cut on this
  edm::InputTag varTag = hltConfig_.modulePSet(moduleName).getParameter<edm::InputTag>("varTag");
  // edm::InputTag nonIsoTag =
  // hltConfig_.modulePSet(moduleName).getParameter<edm::InputTag>("nonIsoTag");
  // std::cout << "varTag.label " << varTag.label() << " nonIsoTag.label " <<
  // nonIsoTag.label() << std::endl;

  std::string inputType = hltConfig_.moduleType(varTag.label());
  // std::cout << "inputType " << inputType << " moduleName " << moduleName <<
  // std::endl;

  //--------------------
  // sanity check: non-isolated path should be produced by the
  // same type of module

  // first check that the non-iso tag is non-empty
  // if (nonIsoTag.label().empty()) {
  //  edm::LogError("EmDQM") << "nonIsoTag of HLTEgammaGenericFilter '" <<
  //  moduleName <<  "' is empty."; return retPSet;
  //}
  // if (inputType != hltConfig_.moduleType(nonIsoTag.label())) {
  //  edm::LogError("EmDQM") << "C++ Type of varTag '" << inputType << "' and
  //  nonIsoTag '" << hltConfig_.moduleType(nonIsoTag.label()) << "' are not the
  //  same for HLTEgammaGenericFilter '" << moduleName <<  "'."; return retPSet;
  //}
  //--------------------

  // parameter saveTag determines the output type
  if (hltConfig_.saveTags(moduleName))
    retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerPhoton);
  else
    retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerCluster);

  std::vector<edm::InputTag> isoCollections;
  isoCollections.push_back(varTag);
  // if (!nonIsoTag.label().empty())
  //   isoCollections.push_back(nonIsoTag);

  //--------------------
  // the following cases seem to have identical PSets ?
  //--------------------

  if (inputType == "EgammaHLTR9IDProducer" ||                      // R9 ID
      inputType == "EgammaHLTClusterShapeProducer" ||              // cluster shape
      inputType == "EgammaHLTBcHcalIsolationProducersRegional" ||  // HCAL isolation, or H for H/E (based on CaloTowers)
      inputType == "EgammaHLTHcalVarProducerFromRecHit" ||         // HCAL isolation, or H for H/E (based on RecHits)
      inputType == "EgammaHLTEcalPFClusterIsolationProducer" ||    // ECAL PF isolation filter
      inputType == "EgammaHLTHcalPFClusterIsolationProducer" ||    // HCAL PF isolation filter
      inputType == "EgammaHLTPhotonTrackIsolationProducersRegional"  // Photon track isolation
  ) {
    retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
    // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
    // edm::InputTag(moduleName, "", processName_));
    retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
    retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections", isoCollections);
    retPSet.addParameter<int>("ncandcut", hltConfig_.modulePSet(moduleName).getParameter<int>("ncandcut"));

    return retPSet;
  }

  if (verbosity_ >= OUTPUT_ERRORS)
    edm::LogError("EmDQM") << "Can't determine what the HLTEgammaGenericQuadraticFilter '" << moduleName
                           << "' should do: uses a collection produced by a module of C++ type '" << inputType << "'.";
  return edm::ParameterSet();
}

//----------------------------------------------------------------------

edm::ParameterSet EmDQM::makePSetForElectronGenericFilter(const std::string &moduleName) {
  edm::ParameterSet retPSet;

  // example usages of HLTElectronGenericFilter are:
  //
  // deta filter
  // hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolDetaFilter dphi
  // filter hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolDphiFilter
  // track isolation
  // hltL1NonIsoHLTNonIsoSingleElectronEt17TighterEleIdIsolTrackIsolFilter

  // infer the type of filter by the type of the producer which
  // generates the collection used to cut on this
  edm::InputTag varTag = hltConfig_.modulePSet(moduleName).getParameter<edm::InputTag>("varTag");
  // edm::InputTag nonIsoTag =
  // hltConfig_.modulePSet(moduleName).getParameter<edm::InputTag>("nonIsoTag");
  // std::cout << "varTag.label " << varTag.label() << " nonIsoTag.label " <<
  // nonIsoTag.label() << std::endl;

  std::string inputType = hltConfig_.moduleType(varTag.label());
  // std::cout << "inputType iso " << inputType << " inputType noniso " <<
  // hltConfig_.moduleType(nonIsoTag.label()) << " moduleName " << moduleName <<
  // std::endl;

  //--------------------
  // sanity check: non-isolated path should be produced by the
  // same type of module
  // if (nonIsoTag.label().empty()) {
  //  edm::LogError("EmDQM") << "nonIsoTag of HLTElectronGenericFilter '" <<
  //  moduleName <<  "' is empty."; return retPSet;
  //}
  // if (inputType != hltConfig_.moduleType(nonIsoTag.label())) {
  //  edm::LogError("EmDQM") << "C++ Type of varTag '" << inputType << "' and
  //  nonIsoTag '" << hltConfig_.moduleType(nonIsoTag.label()) << "' are not the
  //  same for HLTElectronGenericFilter '" << moduleName <<  "'."; return
  //  retPSet;
  //}
  //--------------------

  // the type of object to look for seems to be the
  // same for all uses of HLTEgammaGenericFilter
  retPSet.addParameter<int>("theHLTOutputTypes", trigger::TriggerElectron);

  std::vector<edm::InputTag> isoCollections;
  isoCollections.push_back(varTag);
  // if (!nonIsoTag.label().empty())
  //   isoCollections.push_back(nonIsoTag);

  //--------------------
  // the following cases seem to have identical PSets ?
  //--------------------

  // note that whether deta or dphi is used is determined from
  // the product instance (not the module label)
  if (inputType == "EgammaHLTElectronTrackIsolationProducers"  // track isolation
  ) {
    retPSet.addParameter<std::vector<double>>("PlotBounds", std::vector<double>(2, 0.0));
    // retPSet.addParameter<edm::InputTag>("HLTCollectionLabels",
    // edm::InputTag(moduleName, "", processName_));
    retPSet.addParameter<edm::InputTag>("HLTCollectionLabels", edm::InputTag(moduleName, "", triggerObject_.process()));
    retPSet.addParameter<std::vector<edm::InputTag>>("IsoCollections", isoCollections);
    retPSet.addParameter<int>("ncandcut", hltConfig_.modulePSet(moduleName).getParameter<int>("ncandcut"));

    return retPSet;
  }

  if (verbosity_ >= OUTPUT_ERRORS)
    edm::LogError("EmDQM") << "Can't determine what the HLTElectronGenericFilter '" << moduleName
                           << "' should do: uses a collection produced by a module of C++ type '" << inputType << "'.";
  return edm::ParameterSet();
}

//----------------------------------------------------------------------

void EmDQM::SetVarsFromPSet(std::vector<edm::ParameterSet>::iterator psetIt) {
  dirname_ = "HLT/HLTEgammaValidation/" + psetIt->getParameter<std::string>("@module_label");

  pathIndex = psetIt->getUntrackedParameter<unsigned int>("pathIndex", 0);
  // parameters for generator study
  reqNum = psetIt->getParameter<unsigned int>("reqNum");
  pdgGen = psetIt->getParameter<int>("pdgGen");
  // plotting parameters (untracked because they don't affect the physics)
  plotEtMin = psetIt->getUntrackedParameter<double>("genEtMin", 0.);
  plotPtMin = psetIt->getUntrackedParameter<double>("PtMin", 0.);
  plotPtMax = psetIt->getUntrackedParameter<double>("PtMax", 1000.);

  // preselction cuts
  gencutCollection_ = psetIt->getParameter<edm::InputTag>("cutcollection");
  gencut_ = psetIt->getParameter<int>("cutnum");

  //         Read in the Vector of Parameter Sets.          //
  //           Information for each filter-step             //
  std::vector<edm::ParameterSet> filters = psetIt->getParameter<std::vector<edm::ParameterSet>>("filters");

  // empty vectors of parameters from previous paths
  theHLTCollectionLabels.clear();
  theHLTOutputTypes.clear();
  theHLTCollectionHumanNames.clear();
  plotBounds.clear();
  isoNames.clear();
  plotiso.clear();
  nCandCuts.clear();

  int i = 0;
  for (std::vector<edm::ParameterSet>::iterator filterconf = filters.begin(); filterconf != filters.end();
       filterconf++) {
    theHLTCollectionLabels.push_back(filterconf->getParameter<edm::InputTag>("HLTCollectionLabels"));
    theHLTOutputTypes.push_back(filterconf->getParameter<int>("theHLTOutputTypes"));
    // Grab the human-readable name, if it is not specified, use the Collection
    // Label
    theHLTCollectionHumanNames.push_back(
        filterconf->getUntrackedParameter<std::string>("HLTCollectionHumanName", theHLTCollectionLabels[i].label()));

    std::vector<double> bounds = filterconf->getParameter<std::vector<double>>("PlotBounds");
    // If the size of plot "bounds" vector != 2, abort
    assert(bounds.size() == 2);
    plotBounds.push_back(std::pair<double, double>(bounds[0], bounds[1]));
    isoNames.push_back(filterconf->getParameter<std::vector<edm::InputTag>>("IsoCollections"));

    // for (unsigned int i=0; i<isoNames.back().size(); i++) {
    //  switch(theHLTOutputTypes.back())  {
    //  case trigger::TriggerL1NoIsoEG:
    //    histoFillerL1NonIso->isoNameTokens_.push_back(consumes<edm::AssociationMap<edm::OneToValue<l1extra::L1EmParticleCollection
    //    , float>>>(isoNames.back()[i])); break;
    //  case trigger::TriggerL1IsoEG: // Isolated Level 1
    //    histoFillerL1Iso->isoNameTokens_.push_back(consumes<edm::AssociationMap<edm::OneToValue<l1extra::L1EmParticleCollection
    //    , float>>>(isoNames.back()[i])); break;
    //  case trigger::TriggerPhoton: // Photon
    //    histoFillerPho->isoNameTokens_.push_back(consumes<edm::AssociationMap<edm::OneToValue<reco::RecoEcalCandidateCollection
    //    , float>>>(isoNames.back()[i])); break;
    //  case trigger::TriggerElectron: // Electron
    //    histoFillerEle->isoNameTokens_.push_back(consumes<edm::AssociationMap<edm::OneToValue<reco::ElectronCollection
    //    , float>>>(isoNames.back()[i])); break;
    //  case trigger::TriggerCluster: // TriggerCluster
    //    histoFillerClu->isoNameTokens_.push_back(consumes<edm::AssociationMap<edm::OneToValue<reco::RecoEcalCandidateCollection
    //    , float>>>(isoNames.back()[i])); break;
    //  default:
    //    throw(cms::Exception("Release Validation Error") << "HLT output type
    //    not implemented: theHLTOutputTypes[n]" );
    //  }
    //}

    // If the size of the isoNames vector is not greater than zero, abort
    assert(!isoNames.back().empty());
    if (isoNames.back().at(0).label() == "none") {
      plotiso.push_back(false);
    } else {
      if (!noIsolationPlots_)
        plotiso.push_back(true);
      else
        plotiso.push_back(false);
    }
    nCandCuts.push_back(filterconf->getParameter<int>("ncandcut"));
    i++;
  }  // END of loop over parameter sets

  // Record number of HLTCollectionLabels
  numOfHLTCollectionLabels = theHLTCollectionLabels.size();
}

//----------------------------------------------------------------------

DEFINE_FWK_MODULE(EmDQM);