L1JetRecoTreeProducer.cc

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// -*- C++ -*-
//
// Package:    L1Trigger/L1TNtuples
// Class:      L1JetRecoTreeProducer
//
// system include files
#include <memory>

// framework
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Framework/interface/ESHandle.h"

// cond formats
#include "JetMETCorrections/JetCorrector/interface/JetCorrector.h"
#include "CondFormats/EcalObjects/interface/EcalChannelStatus.h"
#include "CondFormats/DataRecord/interface/EcalChannelStatusRcd.h"

// data formats
#include "DataFormats/JetReco/interface/CaloJetCollection.h"
#include "DataFormats/JetReco/interface/PFJetCollection.h"
#include "DataFormats/JetReco/interface/JetID.h"
#include "DataFormats/METReco/interface/PFMETCollection.h"
#include "DataFormats/MuonReco/interface/Muon.h"
#include "DataFormats/MuonReco/interface/MuonFwd.h"
#include "DataFormats/METReco/interface/PFMET.h"
#include "DataFormats/METReco/interface/CaloMETCollection.h"
#include "DataFormats/METReco/interface/CaloMET.h"


// ROOT output stuff
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h"
#include "TH1.h"
#include "TTree.h"
#include "TF1.h"
#include <TVector2.h>

//local  data formats
#include "L1Trigger/L1TNtuples/interface/L1AnalysisRecoJetDataFormat.h"
#include "L1Trigger/L1TNtuples/interface/L1AnalysisRecoMetDataFormat.h"

//
// class declaration
//

class L1JetRecoTreeProducer : public edm::EDAnalyzer {
public:
  explicit L1JetRecoTreeProducer(const edm::ParameterSet&);
  ~L1JetRecoTreeProducer() override;


private:
  void beginJob(void) override ;
  void analyze(const edm::Event&, const edm::EventSetup&) override;
  void endJob() override;

  void doPFJets(edm::Handle<reco::PFJetCollection> pfJets);
  void doPFJetCorr(edm::Handle<reco::PFJetCollection> pfJets, edm::Handle<reco::JetCorrector> pfJetCorr); 
  void doCaloJets(edm::Handle<reco::CaloJetCollection> caloJets);
  void doCaloJetCorr(edm::Handle<reco::CaloJetCollection> caloJets, edm::Handle<reco::JetCorrector> caloJetCorr); 
  void doCaloMet(edm::Handle<reco::CaloMETCollection> caloMet);
  void doCaloMetBE(edm::Handle<reco::CaloMETCollection> caloMetBE);

  void doPFMet(edm::Handle<reco::PFMETCollection> pfMet);
  void doPFMetNoMu(edm::Handle<reco::PFMETCollection> pfMet, edm::Handle<reco::MuonCollection>);

  bool pfJetID(const reco::PFJet& jet);
  bool caloJetID(const reco::CaloJet& jet);

public:
  L1Analysis::L1AnalysisRecoJetDataFormat*              jet_data;
  L1Analysis::L1AnalysisRecoMetDataFormat*              met_data;

private:

  // output file
  edm::Service<TFileService> fs_;

  // tree
  TTree * tree_;

  // EDM input tags
  edm::EDGetTokenT<reco::PFJetCollection>     pfJetToken_;
  edm::EDGetTokenT<reco::CaloJetCollection>     caloJetToken_;
  edm::EDGetTokenT<edm::ValueMap<reco::JetID> > caloJetIDToken_;
  edm::EDGetTokenT<reco::JetCorrector>        pfJECToken_;
  edm::EDGetTokenT<reco::JetCorrector>        caloJECToken_;

  edm::EDGetTokenT<reco::PFMETCollection>     pfMetToken_;
  edm::EDGetTokenT<reco::CaloMETCollection>   caloMetToken_;
  edm::EDGetTokenT<reco::CaloMETCollection>   caloMetBEToken_;

  edm::EDGetTokenT<reco::MuonCollection>      muonToken_;
  
  // debug stuff
  bool pfJetsMissing_;
  double jetptThreshold_;
  double jetetaMax_;
  unsigned int maxCl_;
  unsigned int maxJet_;
  unsigned int maxVtx_;
  unsigned int maxTrk_;
  
  bool pfJetCorrMissing_;
  bool caloJetCorrMissing_;
  bool caloJetsMissing_;
  bool caloJetIDMissing_;
  bool pfMetMissing_;
  bool caloMetMissing_;
  bool caloMetBEMissing_;
  
  bool muonsMissing_;
};


L1JetRecoTreeProducer::L1JetRecoTreeProducer(const edm::ParameterSet& iConfig):
  pfJetsMissing_(false),
  pfJetCorrMissing_(false),
  caloJetCorrMissing_(false),
  caloJetsMissing_(false),
  caloJetIDMissing_(false),
  pfMetMissing_(false),
  caloMetMissing_(false),
  caloMetBEMissing_(false),
  muonsMissing_(false)
{
  
  caloJetToken_ = consumes<reco::CaloJetCollection>(iConfig.getUntrackedParameter("caloJetToken",edm::InputTag("ak4CaloJets")));
  pfJetToken_ = consumes<reco::PFJetCollection>(iConfig.getUntrackedParameter("pfJetToken",edm::InputTag("ak4PFJetsCHS")));
  caloJetIDToken_ = consumes<edm::ValueMap<reco::JetID> >(iConfig.getUntrackedParameter("caloJetIDToken",edm::InputTag("ak4JetID")));
  pfJECToken_ = consumes<reco::JetCorrector>(iConfig.getUntrackedParameter<edm::InputTag>("pfJECToken",edm::InputTag("ak4PFCHSL1FastL2L3ResidualCorrector")));
  caloJECToken_ = consumes<reco::JetCorrector>(iConfig.getUntrackedParameter<edm::InputTag>("caloJECToken",edm::InputTag("ak4CaloL1FastL2L3ResidualCorrector")));

  pfMetToken_ = consumes<reco::PFMETCollection>(iConfig.getUntrackedParameter("pfMetToken",edm::InputTag("pfMetT1")));
  caloMetToken_ = consumes<reco::CaloMETCollection>(iConfig.getUntrackedParameter("caloMetToken",edm::InputTag("caloMet")));
  caloMetBEToken_ = consumes<reco::CaloMETCollection>(iConfig.getUntrackedParameter("caloMetBEToken",edm::InputTag("caloMetBE")));

  muonToken_ = consumes<reco::MuonCollection>(iConfig.getUntrackedParameter("muonToken",edm::InputTag("muons")));

  jetptThreshold_ = iConfig.getParameter<double>      ("jetptThreshold");
  jetetaMax_       = iConfig.getParameter<double>      ("jetetaMax");
  maxJet_         = iConfig.getParameter<unsigned int>("maxJet");

  jet_data = new L1Analysis::L1AnalysisRecoJetDataFormat();
  met_data = new L1Analysis::L1AnalysisRecoMetDataFormat();

  // set up output
  tree_=fs_->make<TTree>("JetRecoTree", "JetRecoTree");
  tree_->Branch("Jet", "L1Analysis::L1AnalysisRecoJetDataFormat", &jet_data, 32000, 3);
  tree_->Branch("Sums", "L1Analysis::L1AnalysisRecoMetDataFormat", &met_data, 32000, 3);

}


L1JetRecoTreeProducer::~L1JetRecoTreeProducer()
{

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

}


//
// member functions
//

// ------------ method called to for each event  ------------
void L1JetRecoTreeProducer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
{

  jet_data->Reset();
  met_data->Reset();
  
  // get jets
  edm::Handle<reco::PFJetCollection> pfJets;
  iEvent.getByToken(pfJetToken_, pfJets);

  // get calo jets
  edm::Handle<reco::CaloJetCollection> caloJets;
  iEvent.getByToken(caloJetToken_, caloJets);
  
  //get sums
  edm::Handle<reco::PFMETCollection> pfMet;
  iEvent.getByToken(pfMetToken_, pfMet);
  
  // get jet ID
  edm::Handle<edm::ValueMap<reco::JetID> > jetsID;
  iEvent.getByToken(caloJetIDToken_,jetsID);

  edm::Handle<reco::JetCorrector> pfJetCorr;
  iEvent.getByToken(pfJECToken_, pfJetCorr);
  
  edm::Handle<reco::JetCorrector> caloJetCorr;
  iEvent.getByToken(caloJECToken_, caloJetCorr);
  
  edm::Handle<reco::CaloMETCollection> caloMet;
  iEvent.getByToken(caloMetToken_, caloMet);

  edm::Handle<reco::CaloMETCollection> caloMetBE;
  iEvent.getByToken(caloMetBEToken_, caloMetBE);

  // get muons
  edm::Handle<reco::MuonCollection> muons;
  iEvent.getByToken(muonToken_, muons);


  if (pfJets.isValid()) {

    jet_data->nJets=0;

    doPFJets(pfJets);

  }
  else {
    if (!pfJetsMissing_) {edm::LogWarning("MissingProduct") << "PFJets not found.  Branch will not be filled" << std::endl;}
    pfJetsMissing_ = true;
  }
 
  if (pfJetCorr.isValid()) {
 
    doPFJetCorr(pfJets,pfJetCorr);
 
  }
  else {
    if (!pfJetCorrMissing_)  {edm::LogWarning("MissingProduct") << "PF Jet Corrector not found.  Branch will not be filled" << std::endl;}
    pfJetCorrMissing_ = true;
  }
 
  if (caloJets.isValid()) {
    
    jet_data->nCaloJets=0;
    
    doCaloJets(caloJets);
    
  }
  else {
    if (!caloJetsMissing_) {edm::LogWarning("MissingProduct") << "Calo Jets not found.  Branch will not be filled" << std::endl;}
    caloJetsMissing_ = true;
  }

  if (caloJetCorr.isValid()) {
 
    doCaloJetCorr(caloJets,caloJetCorr);
 
  }
  else {
    if (!caloJetCorrMissing_)  {edm::LogWarning("MissingProduct") << "Calo Jet Corrector not found.  Branch will not be filled" << std::endl;}
    caloJetCorrMissing_ = true;
  } 

  if (!jetsID.isValid()){
    
    if (!caloJetIDMissing_) {edm::LogWarning("MissingProduct") << "Calo Jet ID not found.  Branch will not be filled" << std::endl;}
    caloJetIDMissing_ = true;
  }
  
  if (pfMet.isValid()) {
    
    doPFMet(pfMet);

    if (muons.isValid()) {
      
      doPFMetNoMu(pfMet,muons);
      
    }
    else {
      if (!muonsMissing_) {edm::LogWarning("MissingProduct") << "Muons not found.  PFMetNoMu branch will not be filled" << std::endl;}
      muonsMissing_ = true;
    }
  }
  else{
    if (!pfMetMissing_) {edm::LogWarning("MissingProduct") << "PFMet not found.  Branch will not be filled" << std::endl;}
    pfMetMissing_ = true;
  }

  if (caloMet.isValid()) {

    doCaloMet(caloMet);

  }
  else {
    if (!caloMetMissing_) {edm::LogWarning("MissingProduct") << "CaloMet not found. Branch will not be filled" << std::endl;}
    caloMetMissing_ = true;
  }

  if (caloMetBE.isValid()) {

    doCaloMetBE(caloMetBE);

  }
  else {
    if (!caloMetBEMissing_) {edm::LogWarning("MissingProduct") << "CaloMetBE not found. Branch will not be filled" << std::endl;}
    caloMetBEMissing_ = true;
  }

  tree_->Fill();

}


void
L1JetRecoTreeProducer::doCaloJets(edm::Handle<reco::CaloJetCollection> caloJets) {

  for( auto it=caloJets->begin();
       it!=caloJets->end() && jet_data->nCaloJets < maxJet_;
       ++it) {
    
    if(!caloJetIDMissing_)
      if(!caloJetID(*it)) continue;
    
    jet_data->caloEt.push_back(it->et());
    jet_data->caloEta.push_back(it->eta());
    jet_data->caloPhi.push_back(it->phi());
    jet_data->caloE.push_back(it->energy());
    
    jet_data->eEMF.push_back(it->emEnergyFraction());
    jet_data->eEmEB.push_back(it->emEnergyInEB());
    jet_data->eEmEE.push_back(it->emEnergyInEE());
    jet_data->eEmHF.push_back(it->emEnergyInHF());
    jet_data->eHadHB.push_back(it->hadEnergyInHB());
    jet_data->eHadHE.push_back(it->hadEnergyInHE());
    jet_data->eHadHO.push_back(it->hadEnergyInHO());
    jet_data->eHadHF.push_back(it->hadEnergyInHF());
    jet_data->eMaxEcalTow.push_back(it->maxEInEmTowers());
    jet_data->eMaxHcalTow.push_back(it->maxEInHadTowers());
    jet_data->towerArea.push_back(it->towersArea());
    jet_data->n60.push_back(it->n60());
    
    jet_data->nCaloJets++;

  }


}


void
L1JetRecoTreeProducer::doPFJets(edm::Handle<reco::PFJetCollection> pfJets) {
  

  for( auto it=pfJets->begin();
       it!=pfJets->end() && jet_data->nJets < maxJet_;
       ++it) {

    if(!pfJetID(*it)) continue;
    

    jet_data->et.push_back(it->et());
    jet_data->eta.push_back(it->eta());
    jet_data->phi.push_back(it->phi());
    jet_data->e.push_back(it->energy());

    jet_data->chef.push_back(it->chargedHadronEnergyFraction());
    jet_data->nhef.push_back(it->neutralHadronEnergyFraction());
    jet_data->pef.push_back(it->photonEnergyFraction());
    jet_data->eef.push_back(it->electronEnergyFraction());
    jet_data->mef.push_back(it->muonEnergyFraction());
    jet_data->hfhef.push_back(it->HFHadronEnergyFraction());
    jet_data->hfemef.push_back(it->HFEMEnergyFraction());
    jet_data->chMult.push_back(it->chargedHadronMultiplicity());
    jet_data->nhMult.push_back(it->neutralHadronMultiplicity());
    jet_data->phMult.push_back(it->photonMultiplicity());
    jet_data->elMult.push_back(it->electronMultiplicity());
    jet_data->muMult.push_back(it->muonMultiplicity());
    jet_data->hfhMult.push_back(it->HFHadronMultiplicity());
    jet_data->hfemMult.push_back(it->HFEMMultiplicity());

    jet_data->cemef.push_back(it->chargedEmEnergyFraction());     
    jet_data->cmef.push_back(it->chargedMuEnergyFraction());      
    jet_data->nemef.push_back(it->neutralEmEnergyFraction());     
    jet_data->cMult.push_back(it->chargedMultiplicity());
    jet_data->nMult.push_back(it->neutralMultiplicity()); 
    
    jet_data->nJets++;    

  }

}


void
L1JetRecoTreeProducer::doPFJetCorr(edm::Handle<reco::PFJetCollection> pfJets, edm::Handle<reco::JetCorrector> pfJetCorr) {

  
  float corrFactor = 1.;
  unsigned int nJets = 0;
  
  float mHx = 0;
  float mHy = 0;
  
  met_data->Ht     = 0;
  met_data->mHt    = -999.;
  met_data->mHtPhi = -999.;


  for( auto it=pfJets->begin();
       it!=pfJets->end() && nJets < maxJet_;
       ++it) {
    
    if(!pfJetID(*it)) continue;

    corrFactor = pfJetCorr.product()->correction(*it);
    
    jet_data->etCorr.push_back(it->et()*corrFactor);
    jet_data->corrFactor.push_back(corrFactor);

    nJets++;

    if (it->pt()*corrFactor > jetptThreshold_ && fabs(it->eta())<jetetaMax_) {
      mHx += -1.*it->px()*corrFactor;
      mHy += -1.*it->py()*corrFactor;
      met_data->Ht  += it->pt()*corrFactor;
    }

  }

  TVector2 tv2 = TVector2(mHx,mHy);
  met_data->mHt    = tv2.Mod();
  met_data->mHtPhi = tv2.Phi();


}




void
L1JetRecoTreeProducer::doCaloJetCorr(edm::Handle<reco::CaloJetCollection> caloJets, edm::Handle<reco::JetCorrector> caloJetCorr) {

 
  float caloCorrFactor = 1.;
  unsigned int nCaloJets = 0;
  
  met_data->caloHt     = 0;

  for( auto it=caloJets->begin();
       it!=caloJets->end() && nCaloJets < maxJet_;
       ++it) {
    
    if(!caloJetIDMissing_)
      if(!caloJetID(*it)) continue;

    caloCorrFactor = caloJetCorr.product()->correction(*it);
  
    jet_data->caloEtCorr.push_back(it->et()*caloCorrFactor);
    jet_data->caloCorrFactor.push_back(caloCorrFactor);

    nCaloJets++;

    if (it->pt()*caloCorrFactor > jetptThreshold_ && fabs(it->eta())<jetetaMax_) {
      met_data->caloHt  += it->pt()*caloCorrFactor;
    }

  }
}

void
L1JetRecoTreeProducer::doPFMet(edm::Handle<reco::PFMETCollection> pfMet) {

  const reco::PFMETCollection *metCol = pfMet.product();
  const reco::PFMET theMet = metCol->front();

  met_data->met     = theMet.et();
  met_data->metPhi  = theMet.phi();
  met_data->sumEt   = theMet.sumEt();
  met_data->metPx   = theMet.px();
  met_data->metPy   = theMet.py();

}

void
L1JetRecoTreeProducer::doPFMetNoMu(edm::Handle<reco::PFMETCollection> pfMet, edm::Handle<reco::MuonCollection> muons) {

  const reco::PFMETCollection *metCol = pfMet.product();
  const reco::PFMET theMet = metCol->front();
  reco::PFMET thePFMetNoMu = metCol->front();

  double pfMetNoMuPx = theMet.px();
  double pfMetNoMuPy = theMet.py();

  double muPx(0.), muPy(0.);

  for( auto it=muons->begin();
       it!=muons->end(); ++it) {
    if(it->isPFMuon()){
      muPx += it->px();
      muPy += it->py();
    }
  }

  pfMetNoMuPx += muPx;
  pfMetNoMuPy += muPy;

  math::XYZTLorentzVector pfMetNoMuP4(pfMetNoMuPx,pfMetNoMuPy,0,hypot(pfMetNoMuPx,pfMetNoMuPy));


  thePFMetNoMu.setP4(pfMetNoMuP4);

  met_data->pfMetNoMu     = thePFMetNoMu.et();
  met_data->pfMetNoMuPhi  = thePFMetNoMu.phi();
  met_data->pfMetNoMuPx   = thePFMetNoMu.px();
  met_data->pfMetNoMuPy   = thePFMetNoMu.py();

}


void
L1JetRecoTreeProducer::doCaloMet(edm::Handle<reco::CaloMETCollection> caloMet) {

  const reco::CaloMETCollection *metCol = caloMet.product();
  const reco::CaloMET theMet = metCol->front();
  
  met_data->caloMet     = theMet.et();
  met_data->caloMetPhi  = theMet.phi();
  met_data->caloSumEt   = theMet.sumEt();
  
}

void
L1JetRecoTreeProducer::doCaloMetBE(edm::Handle<reco::CaloMETCollection> caloMetBE) {

  const reco::CaloMETCollection *metCol = caloMetBE.product();
  const reco::CaloMET theMet = metCol->front();

  met_data->caloMetBE    = theMet.et();
  met_data->caloMetPhiBE = theMet.phi();
  met_data->caloSumEtBE  = theMet.sumEt();

}

bool
L1JetRecoTreeProducer::pfJetID(const reco::PFJet& jet) {

  bool tmp = true;
  if (fabs(jet.eta()) < 2.7) {
    tmp &= jet.neutralHadronEnergyFraction() < 0.9 ;
    tmp &= jet.neutralEmEnergyFraction() < 0.9 ;
    tmp &= (jet.chargedMultiplicity() + jet.neutralMultiplicity()) > 1 ;
    tmp &= jet.muonEnergyFraction() < 0.8 ;
    tmp &= jet.chargedHadronEnergyFraction() > 0.0 ;
    tmp &= jet.chargedMultiplicity() > 0 ;
    tmp &= jet.chargedEmEnergyFraction() < 0.9 ;
  }
  if (fabs(jet.eta()) > 2.7 && fabs(jet.eta()) < 3.0){
    tmp &= jet.neutralEmEnergyFraction() > 0.01 ;
    tmp &= jet.neutralHadronEnergyFraction() < 0.98 ;
    tmp &= jet.neutralMultiplicity() > 2 ;
  }
  if (fabs(jet.eta()) > 3.0) {
    tmp &= jet.neutralEmEnergyFraction() < 0.9 ;
    tmp &= jet.neutralMultiplicity() > 10 ;
  }

  // our custom selection
  //tmp &= jet.muonMultiplicity() == 0;
  //tmp &= jet.electronMultiplicity() == 0;

  return tmp;

}

bool
L1JetRecoTreeProducer::caloJetID(const reco::CaloJet& jet) {

  bool tmp = true;


  return tmp;

}


// ------------ method called once each job just before starting event loop  ------------
void
L1JetRecoTreeProducer::beginJob(void)
{
}

// ------------ method called once each job just after ending the event loop  ------------
void
L1JetRecoTreeProducer::endJob() {
}

//define this as a plug-in
DEFINE_FWK_MODULE(L1JetRecoTreeProducer);