HLTHcalTowerNoiseCleanerWithrechit.cc

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// -*- C++ -*-
//
// Class:      HLTHcalTowerNoiseCleanerWithrechit
//
//
// Original Author:  Alexander Mott
//         Created:  Mon Nov 21 11:32:00 CEST 2011
//
//
//
#include <set>

#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/JetReco/interface/Jet.h"
#include "DataFormats/JetReco/interface/CaloJet.h"
#include "DataFormats/CaloTowers/interface/CaloTowerDetId.h"
#include "DataFormats/CaloTowers/interface/CaloTowerCollection.h"
#include "HLTrigger/JetMET/interface/HLTHcalTowerNoiseCleanerWithrechit.h"

HLTHcalTowerNoiseCleanerWithrechit::HLTHcalTowerNoiseCleanerWithrechit(const edm::ParameterSet& iConfig)
    : hcalRecNumberingRecordToken_(esConsumes()),
      HcalNoiseRBXCollectionTag_(iConfig.getParameter<edm::InputTag>("HcalNoiseRBXCollection")),
      TowerCollectionTag_(iConfig.getParameter<edm::InputTag>("CaloTowerCollection")),
      severity_(iConfig.getParameter<int>("severity")),
      maxNumRBXs_(iConfig.getParameter<int>("maxNumRBXs")),
      numRBXsToConsider_(iConfig.getParameter<int>("numRBXsToConsider")),
      needEMFCoincidence_(iConfig.getParameter<bool>("needEMFCoincidence")),
      minRBXEnergy_(iConfig.getParameter<double>("minRBXEnergy")),
      minRatio_(iConfig.getParameter<double>("minRatio")),
      maxRatio_(iConfig.getParameter<double>("maxRatio")),
      minHPDHits_(iConfig.getParameter<int>("minHPDHits")),
      minRBXHits_(iConfig.getParameter<int>("minRBXHits")),
      minHPDNoOtherHits_(iConfig.getParameter<int>("minHPDNoOtherHits")),
      minZeros_(iConfig.getParameter<int>("minZeros")),
      minHighEHitTime_(iConfig.getParameter<double>("minHighEHitTime")),
      maxHighEHitTime_(iConfig.getParameter<double>("maxHighEHitTime")),
      maxRBXEMF_(iConfig.getParameter<double>("maxRBXEMF")),
      minRecHitE_(iConfig.getParameter<double>("minRecHitE")),
      minLowHitE_(iConfig.getParameter<double>("minLowHitE")),
      minHighHitE_(iConfig.getParameter<double>("minHighHitE")),
      minR45HitE_(5.0),
      TS4TS5EnergyThreshold_(iConfig.getParameter<double>("TS4TS5EnergyThreshold")) {
  hltMinRBXRechitR45Cuts_ = iConfig.getParameter<std::vector<double> >("hltRBXRecHitR45Cuts");
  std::vector<double> TS4TS5UpperThresholdTemp = iConfig.getParameter<std::vector<double> >("TS4TS5UpperThreshold");
  std::vector<double> TS4TS5UpperCutTemp = iConfig.getParameter<std::vector<double> >("TS4TS5UpperCut");
  std::vector<double> TS4TS5LowerThresholdTemp = iConfig.getParameter<std::vector<double> >("TS4TS5LowerThreshold");
  std::vector<double> TS4TS5LowerCutTemp = iConfig.getParameter<std::vector<double> >("TS4TS5LowerCut");

  for (int i = 0; i < (int)TS4TS5UpperThresholdTemp.size() && i < (int)TS4TS5UpperCutTemp.size(); i++)
    TS4TS5UpperCut_.push_back(std::pair<double, double>(TS4TS5UpperThresholdTemp[i], TS4TS5UpperCutTemp[i]));
  sort(TS4TS5UpperCut_.begin(), TS4TS5UpperCut_.end());

  for (int i = 0; i < (int)TS4TS5LowerThresholdTemp.size() && i < (int)TS4TS5LowerCutTemp.size(); i++)
    TS4TS5LowerCut_.push_back(std::pair<double, double>(TS4TS5LowerThresholdTemp[i], TS4TS5LowerCutTemp[i]));
  sort(TS4TS5LowerCut_.begin(), TS4TS5LowerCut_.end());

  m_theHcalNoiseToken = consumes<reco::HcalNoiseRBXCollection>(HcalNoiseRBXCollectionTag_);
  m_theCaloTowerCollectionToken = consumes<CaloTowerCollection>(TowerCollectionTag_);

  if (iConfig.existsAs<double>("minR45HitE"))
    minR45HitE_ = iConfig.getParameter<double>("minR45HitE");

  produces<CaloTowerCollection>();
}

HLTHcalTowerNoiseCleanerWithrechit::~HLTHcalTowerNoiseCleanerWithrechit() = default;

void HLTHcalTowerNoiseCleanerWithrechit::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
  edm::ParameterSetDescription desc;
  desc.add<edm::InputTag>("HcalNoiseRBXCollection", edm::InputTag("hltHcalNoiseInfoProducer"));
  desc.add<edm::InputTag>("CaloTowerCollection", edm::InputTag("hltTowerMakerForAll"));
  desc.add<double>("maxTowerNoiseEnergyFraction", 0.5);
  desc.add<int>("severity", 1);
  desc.add<int>("maxNumRBXs", 2);
  desc.add<int>("numRBXsToConsider", 2);
  desc.add<bool>("needEMFCoincidence", true);
  desc.add<double>("minRBXEnergy", 50.0);
  desc.add<double>("minRatio", -999.);
  desc.add<double>("maxRatio", 999.);
  desc.add<int>("minHPDHits", 17);
  desc.add<int>("minRBXHits", 999);
  desc.add<int>("minHPDNoOtherHits", 10);
  desc.add<int>("minZeros", 10);
  desc.add<double>("minHighEHitTime", -9999.0);
  desc.add<double>("maxHighEHitTime", 9999.0);
  desc.add<double>("maxRBXEMF", 0.02);
  desc.add<double>("minRecHitE", 1.5);
  desc.add<double>("minLowHitE", 10.0);
  desc.add<double>("minHighHitE", 25.0);
  desc.add<double>("minR45HitE", 5.0);
  desc.add<double>("TS4TS5EnergyThreshold", 50.0);

  double TS4TS5UpperThresholdArray[5] = {70, 90, 100, 400, 4000};
  double TS4TS5UpperCutArray[5] = {1, 0.8, 0.75, 0.72, 0.72};
  double TS4TS5LowerThresholdArray[7] = {100, 120, 150, 200, 300, 400, 500};
  double TS4TS5LowerCutArray[7] = {-1, -0.7, -0.4, -0.2, -0.08, 0, 0.1};
  double hltRBXRecHitR45CutsArray[8] = {0.0, 1.0, 0.0, -1.0, 0.0, 0.0, 1.0, -1.0};
  std::vector<double> TS4TS5UpperThreshold(TS4TS5UpperThresholdArray, TS4TS5UpperThresholdArray + 5);
  std::vector<double> TS4TS5UpperCut(TS4TS5UpperCutArray, TS4TS5UpperCutArray + 5);
  std::vector<double> TS4TS5LowerThreshold(TS4TS5LowerThresholdArray, TS4TS5LowerThresholdArray + 7);
  std::vector<double> TS4TS5LowerCut(TS4TS5LowerCutArray, TS4TS5LowerCutArray + 7);
  std::vector<double> hltRBXRecHitR45Cuts(hltRBXRecHitR45CutsArray, hltRBXRecHitR45CutsArray + 8);

  desc.add<std::vector<double> >("TS4TS5UpperThreshold", TS4TS5UpperThreshold);
  desc.add<std::vector<double> >("TS4TS5UpperCut", TS4TS5UpperCut);
  desc.add<std::vector<double> >("TS4TS5LowerThreshold", TS4TS5LowerThreshold);
  desc.add<std::vector<double> >("TS4TS5LowerCut", TS4TS5LowerCut);
  desc.add<std::vector<double> >("hltRBXRecHitR45Cuts", hltRBXRecHitR45Cuts);
  descriptions.add("hltHcalTowerNoiseCleanerWithrechit", desc);
}

//
// member functions
//

void HLTHcalTowerNoiseCleanerWithrechit::produce(edm::Event& iEvent, const edm::EventSetup& iSetup) {
  using namespace reco;

  auto const& caloTowerTopology = iSetup.getHandle(hcalRecNumberingRecordToken_);

  //get the calo MET / MHT
  edm::Handle<CaloTowerCollection> tower_h;
  iEvent.getByToken(m_theCaloTowerCollectionToken, tower_h);

  std::set<unsigned int> noisyTowers;

  if (not tower_h.isValid()) {  //No towers MET, don't do anything and accept the event
    edm::LogError("HLTHcalTowerNoiseCleanerWithrechit") << "Input Tower Collection is not Valid";
    return;
  }

  // get the RBXs produced by RecoMET/METProducers/HcalNoiseInfoProducer
  edm::Handle<HcalNoiseRBXCollection> rbxs_h;
  iEvent.getByToken(m_theHcalNoiseToken, rbxs_h);
  if (!rbxs_h.isValid()) {
    edm::LogWarning("HLTHcalTowerNoiseCleanerWithrechit")
        << "Could not find HcalNoiseRBXCollection product named " << HcalNoiseRBXCollectionTag_ << "." << std::endl;
    severity_ = 0;
  }

  // create a sorted set of the RBXs, ordered by energy
  noisedataset_t data;
  for (auto const& rbx : *rbxs_h) {
    CommonHcalNoiseRBXData d(rbx,
                             minRecHitE_,
                             minLowHitE_,
                             minHighHitE_,
                             TS4TS5EnergyThreshold_,
                             TS4TS5UpperCut_,
                             TS4TS5LowerCut_,
                             minR45HitE_);
    data.insert(d);
  }

  // data is now sorted by RBX energy
  // only consider top N=numRBXsToConsider_ energy RBXs
  if (severity_ > 0) {
    for (auto const& it : data) {
      // Check the Rechit-R45 filter
      // Taken from http://cmslxr.fnal.gov/lxr/source/RecoMET/METAlgorithms/src/HcalNoiseAlgo.cc?v=CMSSW_7_4_6#0256
      bool passRechitr45 = true;
      int r45Count = it.r45Count();
      double r45Fraction = it.r45Fraction();
      double r45EnergyFraction = it.r45EnergyFraction();
      for (int i = 0; i + 3 < (int)hltMinRBXRechitR45Cuts_.size(); i = i + 4) {
        double Value = r45Count * hltMinRBXRechitR45Cuts_[i] + r45Fraction * hltMinRBXRechitR45Cuts_[i + 1] +
                       r45EnergyFraction * hltMinRBXRechitR45Cuts_[i + 2] + hltMinRBXRechitR45Cuts_[i + 3];
        if (Value > 0)
          passRechitr45 = false;
      }

      bool passFilter = true;
      bool passEMF = true;
      if (it.energy() > minRBXEnergy_) {
        if (it.validRatio() && it.ratio() < minRatio_)
          passFilter = false;
        else if (it.validRatio() && it.ratio() > maxRatio_)
          passFilter = false;
        else if (it.numHPDHits() >= minHPDHits_)
          passFilter = false;
        else if (it.numRBXHits() >= minRBXHits_)
          passFilter = false;
        else if (it.numHPDNoOtherHits() >= minHPDNoOtherHits_)
          passFilter = false;
        else if (it.numZeros() >= minZeros_)
          passFilter = false;
        else if (it.minHighEHitTime() < minHighEHitTime_)
          passFilter = false;
        else if (it.maxHighEHitTime() > maxHighEHitTime_)
          passFilter = false;
        else if (passRechitr45 == false)
          passFilter = false;
        if (it.RBXEMF() < maxRBXEMF_) {
          passEMF = false;
        }
      }

      if ((needEMFCoincidence_ && !passEMF && !passFilter) ||
          (!needEMFCoincidence_ && !passFilter)) {  // check for noise
        LogDebug("") << "HLTHcalTowerNoiseCleanerWithrechit debug: Found a noisy RBX: "
                     << "energy=" << it.energy() << "; "
                     << "ratio=" << it.ratio() << "; "
                     << "# RBX hits=" << it.numRBXHits() << "; "
                     << "# HPD hits=" << it.numHPDHits() << "; "
                     << "# Zeros=" << it.numZeros() << "; "
                     << "min time=" << it.minHighEHitTime() << "; "
                     << "max time=" << it.maxHighEHitTime() << "; "
                     << "RBX EMF=" << it.RBXEMF() << std::endl;
        // add calotowers associated with this RBX to the noise list
        edm::RefVector<CaloTowerCollection> noiseTowers = it.rbxTowers();
        edm::RefVector<CaloTowerCollection>::const_iterator noiseTowersIt;
        //add these calotowers to the noisy list
        for (noiseTowersIt = noiseTowers.begin(); noiseTowersIt != noiseTowers.end(); noiseTowersIt++) {
          edm::Ref<edm::SortedCollection<CaloTower> > tower_ref = *noiseTowersIt;
          CaloTowerDetId id = tower_ref->id();
          noisyTowers.insert(caloTowerTopology->denseIndex(id));
        }
      }
    }  // done with noise loop
  }  //if(severity_>0)

  //output collection
  std::unique_ptr<CaloTowerCollection> OutputTowers(new CaloTowerCollection());

  CaloTowerCollection::const_iterator inTowersIt;

  for (inTowersIt = tower_h->begin(); inTowersIt != tower_h->end(); inTowersIt++) {
    const CaloTower& tower = (*inTowersIt);
    CaloTowerDetId id = tower.id();

    if (noisyTowers.find(caloTowerTopology->denseIndex(id)) == noisyTowers.end()) {  // the tower is not noisy
      OutputTowers->push_back(*inTowersIt);
    }
  }
  iEvent.put(std::move(OutputTowers));
}