HLTJetMETValidation.cc

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// Migrated to use DQMEDAnalyzer by: Jyothsna Rani Komaragiri, Oct 2014

#include "HLTriggerOffline/JetMET/interface/HLTJetMETValidation.h"
#include "Math/GenVector/VectorUtil.h"
#include "FWCore/Common/interface/TriggerNames.h"

using namespace std;
using namespace edm;
using namespace reco;
using namespace l1extra;
using namespace trigger;


HLTJetMETValidation::HLTJetMETValidation(const edm::ParameterSet& ps) : 
  triggerEventObject_(consumes<TriggerEventWithRefs>(ps.getUntrackedParameter<edm::InputTag>("triggerEventObject"))),
  PFJetAlgorithm( consumes<PFJetCollection>(ps.getUntrackedParameter<edm::InputTag>( "PFJetAlgorithm" ) )),
  GenJetAlgorithm( consumes<GenJetCollection>(ps.getUntrackedParameter<edm::InputTag>( "GenJetAlgorithm" ) )),
  CaloMETColl( consumes<CaloMETCollection>(ps.getUntrackedParameter<edm::InputTag>( "CaloMETCollection" ) )),
  GenMETColl( consumes<GenMETCollection>(ps.getUntrackedParameter<edm::InputTag>( "GenMETCollection" ) )),
  HLTriggerResults(consumes<edm::TriggerResults>(ps.getParameter<edm::InputTag>( "HLTriggerResults" ) )),
  triggerTag_(ps.getUntrackedParameter<std::string>("DQMFolder","SingleJet")),
  patternJetTrg_(ps.getUntrackedParameter<std::string>("PatternJetTrg","")),
  patternMetTrg_(ps.getUntrackedParameter<std::string>("PatternMetTrg","")),
  patternMuTrg_(ps.getUntrackedParameter<std::string>("PatternMuTrg","")),
  HLTinit_(false)
{
  evtCnt=0;
}

HLTJetMETValidation::~HLTJetMETValidation()
{
}

//
// member functions
//

// ------------ method called when starting to processes a run ------------
void
HLTJetMETValidation::dqmBeginRun(edm::Run const& iRun, edm::EventSetup const& iSetup) {

  bool foundMuTrg = false;
  std::string trgMuNm;
  bool changedConfig = true;
  
  //--define search patterns
  TPRegexp patternJet(patternJetTrg_);
  TPRegexp patternMet(patternMetTrg_);
  TPRegexp patternMu(patternMuTrg_);

  if (!hltConfig_.init(iRun, iSetup, "HLT", changedConfig)) {
    edm::LogError("HLTJetMETValidation") << "Initialization of HLTConfigProvider failed!!"; 
    return;
  }
  
  std::vector<std::string> validTriggerNames = hltConfig_.triggerNames();
  for (size_t j = 0; j < validTriggerNames.size(); j++) {
    //---find the muon path
    if (TString(validTriggerNames[j]).Contains(patternMu)) {
      //std::cout <<validTriggerNames[j].c_str()<<std::endl;
      if (!foundMuTrg) trgMuNm = validTriggerNames[j];
      foundMuTrg = true;
    }
    //---find the jet paths
    if (TString(validTriggerNames[j]).Contains(patternJet)) {
      hltTrgJet.push_back(validTriggerNames[j]);
    }
    //---find the met paths
    if (TString(validTriggerNames[j]).Contains(patternMet)) {
      hltTrgMet.push_back(validTriggerNames[j]);
    }
  }
  
  //----set the denominator paths
  for (size_t it=0;it<hltTrgJet.size();it++) {
    if (it==0 && foundMuTrg) hltTrgJetLow.push_back(trgMuNm);//--lowest threshold uses muon path
    if (it==0 && !foundMuTrg) hltTrgJetLow.push_back(hltTrgJet[it]);//---if no muon then itself
    if (it!=0) hltTrgJetLow.push_back(hltTrgJet[it-1]);
    //std::cout<<hltTrgJet[it].c_str()<<" "<<hltTrgJetLow[it].c_str()<<std::endl;
  }
  int itm(0), itpm(0), itmh(0), itpmh(0);
  for (size_t it=0;it<hltTrgMet.size();it++) {
    if (TString(hltTrgMet[it]).Contains("PF")) {
      if (TString(hltTrgMet[it]).Contains("MHT")) {
    if( 0 == itpmh ) {
      if( foundMuTrg ) hltTrgMetLow.push_back(trgMuNm);
      else hltTrgMetLow.push_back(hltTrgMet[it]);
    }
    else hltTrgMetLow.push_back(hltTrgMet[it-1]);
    itpmh++;
      }
      if (TString(hltTrgMet[it]).Contains("MET")) {
    if( 0 == itpm ) {
      if( foundMuTrg ) hltTrgMetLow.push_back(trgMuNm);
      else hltTrgMetLow.push_back(hltTrgMet[it]);
    }
    else hltTrgMetLow.push_back(hltTrgMet[it-1]);
    itpm++;
      }
    }
    else {
      if (TString(hltTrgMet[it]).Contains("MHT")) {
    if( 0 == itmh ) {
      if( foundMuTrg ) hltTrgMetLow.push_back(trgMuNm);
      else hltTrgMetLow.push_back(hltTrgMet[it]);
    }
    else hltTrgMetLow.push_back(hltTrgMet[it-1]);
    itmh++;
      }
      if (TString(hltTrgMet[it]).Contains("MET")) {
    if( 0 == itm ) {
      if( foundMuTrg ) hltTrgMetLow.push_back(trgMuNm);
      else hltTrgMetLow.push_back(hltTrgMet[it]);
    }
    else hltTrgMetLow.push_back(hltTrgMet[it-1]);
    itm++;
      }
    }
    //std::cout<<hltTrgMet[it].c_str()<<" "<<hltTrgMetLow[it].c_str()<<std::endl;
  }

}

// ------------ method called to book histograms before starting event loop ------------
void 
HLTJetMETValidation::bookHistograms(DQMStore::IBooker & iBooker, edm::Run const & iRun, edm::EventSetup const & iSetup)
{

  //----define DQM folders and elements
  for (size_t it=0;it<hltTrgJet.size();it++) {
    //std::cout<<hltTrgJet[it].c_str()<<" "<<hltTrgJetLow[it].c_str()<<std::endl;
    std::string trgPathName = HLTConfigProvider::removeVersion(triggerTag_+hltTrgJet[it]);
    //std::cout << "str = " << triggerTag_+hltTrgJet[it].c_str() << std::endl;
    //std::cout << "trgPathName = " << trgPathName << std::endl;
    iBooker.setCurrentFolder(trgPathName);
    _meHLTJetPt.push_back(iBooker.book1D("_meHLTJetPt","Single HLT Jet Pt",100,0,500));
    _meHLTJetPtTrgMC.push_back(iBooker.book1D("_meHLTJetPtTrgMC","Single HLT Jet Pt - HLT Triggered",100,0,500));
    _meHLTJetPtTrg.push_back(iBooker.book1D("_meHLTJetPtTrg","Single HLT Jet Pt - HLT Triggered",100,0,500));
    _meHLTJetPtTrgLow.push_back(iBooker.book1D("_meHLTJetPtTrgLow","Single HLT Jet Pt - HLT Triggered Low",100,0,500));
    
    _meHLTJetEta.push_back(iBooker.book1D("_meHLTJetEta","Single HLT Jet Eta",100,-10,10));
    _meHLTJetEtaTrgMC.push_back(iBooker.book1D("_meHLTJetEtaTrgMC","Single HLT Jet Eta - HLT Triggered",100,-10,10));
    _meHLTJetEtaTrg.push_back(iBooker.book1D("_meHLTJetEtaTrg","Single HLT Jet Eta - HLT Triggered",100,-10,10));
    _meHLTJetEtaTrgLow.push_back(iBooker.book1D("_meHLTJetEtaTrgLow","Single HLT Jet Eta - HLT Triggered Low",100,-10,10));
    
    _meHLTJetPhi.push_back(iBooker.book1D("_meHLTJetPhi","Single HLT Jet Phi",100,-4.,4.));
    _meHLTJetPhiTrgMC.push_back(iBooker.book1D("_meHLTJetPhiTrgMC","Single HLT Jet Phi - HLT Triggered",100,-4.,4.));
    _meHLTJetPhiTrg.push_back(iBooker.book1D("_meHLTJetPhiTrg","Single HLT Jet Phi - HLT Triggered",100,-4.,4.));
    _meHLTJetPhiTrgLow.push_back(iBooker.book1D("_meHLTJetPhiTrgLow","Single HLT Jet Phi - HLT Triggered Low",100,-4.,4.));
    
    _meGenJetPt.push_back(iBooker.book1D("_meGenJetPt","Single Generated Jet Pt",100,0,500));
    _meGenJetPtTrgMC.push_back(iBooker.book1D("_meGenJetPtTrgMC","Single Generated Jet Pt - HLT Triggered",100,0,500));
    _meGenJetPtTrg.push_back(iBooker.book1D("_meGenJetPtTrg","Single Generated Jet Pt - HLT Triggered",100,0,500));
    _meGenJetPtTrgLow.push_back(iBooker.book1D("_meGenJetPtTrgLow","Single Generated Jet Pt - HLT Triggered Low",100,0,500));
    
    _meGenJetEta.push_back(iBooker.book1D("_meGenJetEta","Single Generated Jet Eta",100,-10,10));
    _meGenJetEtaTrgMC.push_back(iBooker.book1D("_meGenJetEtaTrgMC","Single Generated Jet Eta - HLT Triggered",100,-10,10));
    _meGenJetEtaTrg.push_back(iBooker.book1D("_meGenJetEtaTrg","Single Generated Jet Eta - HLT Triggered",100,-10,10));
    _meGenJetEtaTrgLow.push_back(iBooker.book1D("_meGenJetEtaTrgLow","Single Generated Jet Eta - HLT Triggered Low",100,-10,10));
    
    _meGenJetPhi.push_back(iBooker.book1D("_meGenJetPhi","Single Generated Jet Phi",100,-4.,4.));
    _meGenJetPhiTrgMC.push_back(iBooker.book1D("_meGenJetPhiTrgMC","Single Generated Jet Phi - HLT Triggered",100,-4.,4.));
    _meGenJetPhiTrg.push_back(iBooker.book1D("_meGenJetPhiTrg","Single Generated Jet Phi - HLT Triggered",100,-4.,4.));
    _meGenJetPhiTrgLow.push_back(iBooker.book1D("_meGenJetPhiTrgLow","Single Generated Jet Phi - HLT Triggered Low",100,-4.,4.));
    
  }
  for (size_t it=0;it<hltTrgMet.size();it++) {
    //std::cout<<hltTrgMet[it].c_str()<<" "<<hltTrgMetLow[it].c_str()<<std::endl;
    std::string trgPathName = HLTConfigProvider::removeVersion(triggerTag_+hltTrgMet[it]);
    iBooker.setCurrentFolder(trgPathName);
    _meHLTMET.push_back(iBooker.book1D("_meHLTMET","HLT Missing ET",100,0,500));
    _meHLTMETTrgMC.push_back(iBooker.book1D("_meHLTMETTrgMC","HLT Missing ET - HLT Triggered",100,0,500));
    _meHLTMETTrg.push_back(iBooker.book1D("_meHLTMETTrg","HLT Missing ET - HLT Triggered",100,0,500));
    _meHLTMETTrgLow.push_back(iBooker.book1D("_meHLTMETTrgLow","HLT Missing ET - HLT Triggered Low",100,0,500));
    
    _meGenMET.push_back(iBooker.book1D("_meGenMET","Generated Missing ET",100,0,500));
    _meGenMETTrgMC.push_back(iBooker.book1D("_meGenMETTrgMC","Generated Missing ET - HLT Triggered",100,0,500));
    _meGenMETTrg.push_back(iBooker.book1D("_meGenMETTrg","Generated Missing ET - HLT Triggered",100,0,500));
    _meGenMETTrgLow.push_back(iBooker.book1D("_meGenMETTrgLow","Generated Missing ET - HLT Triggered Low",100,0,500));
  }

}

// ------------ method called for each event ------------
void
HLTJetMETValidation::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
{
  using namespace std;
  using namespace edm;
  using namespace reco;
  using namespace l1extra;
  using namespace trigger;
  
  evtCnt++;

  //get The triggerEvent
  Handle<TriggerEventWithRefs> trigEv;
  iEvent.getByToken(triggerEventObject_,trigEv);

  //get TriggerResults object
  bool gotHLT=true;
  std::vector<bool> myTrigJ;
  for (size_t it=0;it<hltTrgJet.size();it++) myTrigJ.push_back(false);
  std::vector<bool> myTrigJLow;
  for (size_t it=0;it<hltTrgJetLow.size();it++) myTrigJLow.push_back(false);
  std::vector<bool> myTrigM;
  for (size_t it=0;it<hltTrgMet.size();it++) myTrigM.push_back(false);
  std::vector<bool> myTrigMLow;
  for (size_t it=0;it<hltTrgMetLow.size();it++) myTrigMLow.push_back(false);


  Handle<TriggerResults> hltresults;
  iEvent.getByToken(HLTriggerResults,hltresults);
  if (! hltresults.isValid() ) { 
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "  -- No HLTRESULTS";    
    gotHLT=false;
  }

  if (gotHLT) {
    const edm::TriggerNames & triggerNames = iEvent.triggerNames(*hltresults);
    getHLTResults(*hltresults, triggerNames);

    //---pick-up the jet trigger decisions
    for (size_t it=0;it<hltTrgJet.size();it++) {
      trig_iter=hltTriggerMap.find(hltTrgJet[it]);
      if (trig_iter==hltTriggerMap.end()){
    //std::cout << "Could not find trigger path with name: " << _probefilter.label() << std::endl;
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "Could not find trigger path with name: " << _probefilter.label(); 
      }else{
    myTrigJ[it]=trig_iter->second;
      }
      //std::cout<<hltTrgJet[it].c_str()<<" "<<myTrigJ[it]<<std::endl;
    }
    for (size_t it=0;it<hltTrgJetLow.size();it++) {
      trig_iter=hltTriggerMap.find(hltTrgJetLow[it]);
      if (trig_iter==hltTriggerMap.end()){
    //std::cout << "Could not find trigger path with name: " << _probefilter.label() << std::endl;
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "Could not find trigger path with name: " << _probefilter.label(); 
      }else{
    myTrigJLow[it]=trig_iter->second;
      }
      //std::cout<<hltTrgJetLow[it].c_str()<<" "<<myTrigJLow[it]<<std::endl;
    }
    //---pick-up the met trigger decisions
    for (size_t it=0;it<hltTrgMet.size();it++) {
      trig_iter=hltTriggerMap.find(hltTrgMet[it]);
      if (trig_iter==hltTriggerMap.end()){
    //std::cout << "Could not find trigger path with name: " << _probefilter.label() << std::endl;
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "Could not find trigger path with name: " << _probefilter.label(); 
      }else{
    myTrigM[it]=trig_iter->second;
      }
      //std::cout<<hltTrgMet[it].c_str()<<" "<<myTrigM[it]<<std::endl;
    }
    for (size_t it=0;it<hltTrgMetLow.size();it++) {
      trig_iter=hltTriggerMap.find(hltTrgMetLow[it]);
      if (trig_iter==hltTriggerMap.end()){
    //std::cout << "Could not find trigger path with name: " << _probefilter.label() << std::endl;
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "Could not find trigger path with name: " << _probefilter.label(); 
      }else{
    myTrigMLow[it]=trig_iter->second;
      }
      //std::cout<<hltTrgMetLow[it].c_str()<<" "<<myTrigMLow[it]<<std::endl;
    }
  }

  // --- Fill histos for PFJet paths ---
  // HLT jets namely hltAK4PFJets
  Handle<PFJetCollection> pfJets;
  iEvent.getByToken( PFJetAlgorithm, pfJets );
  double pfJetPt=-1.;
  double pfJetEta=-999.;
  double pfJetPhi=-999.;

  if (pfJets.isValid()) { 
    //Loop over the PFJets and fill some histograms
    int jetInd = 0;
    for( PFJetCollection::const_iterator pf = pfJets->begin(); pf != pfJets->end(); ++ pf ) {
      //std::cout << "PF JET #" << jetInd << std::endl << pf->print() << std::endl;
      if (jetInd == 0){
    pfJetPt=pf->pt();
    pfJetEta=pf->eta();
    pfJetPhi=pf->phi();
    for (size_t it=0;it<hltTrgJet.size();it++) {
      _meHLTJetPt[it]->Fill( pfJetPt );
      _meHLTJetEta[it]->Fill( pfJetEta );
      _meHLTJetPhi[it]->Fill( pfJetPhi );
      if (myTrigJ[it]) _meHLTJetPtTrgMC[it]->Fill( pfJetPt );
      if (myTrigJ[it]) _meHLTJetEtaTrgMC[it]->Fill( pfJetEta );
      if (myTrigJ[it]) _meHLTJetPhiTrgMC[it]->Fill( pfJetPhi );
      if (myTrigJ[it] && myTrigJLow[it]) _meHLTJetPtTrg[it]->Fill( pfJetPt );
      if (myTrigJ[it] && myTrigJLow[it]) _meHLTJetEtaTrg[it]->Fill( pfJetEta );
      if (myTrigJ[it] && myTrigJLow[it]) _meHLTJetPhiTrg[it]->Fill( pfJetPhi );
      if (myTrigJLow[it]) _meHLTJetPtTrgLow[it]->Fill( pfJetPt );
      if (myTrigJLow[it]) _meHLTJetEtaTrgLow[it]->Fill( pfJetEta );
      if (myTrigJLow[it]) _meHLTJetPhiTrgLow[it]->Fill( pfJetPhi );
    }
    jetInd++;
      }
    }//loop over pfjets
  } 
  else{
    //std::cout << "  -- No PFJets" << std::endl;
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "  -- No PFJets"; 
  }

  //GenJets
  Handle<GenJetCollection> genJets;
  iEvent.getByToken( GenJetAlgorithm, genJets );
  double genJetPt=-1.;
  double genJetEta=-999.;
  double genJetPhi=-999.;

  if (genJets.isValid()) { 
    //Loop over the GenJets and fill some histograms
    int jetInd = 0;
    for( GenJetCollection::const_iterator gen = genJets->begin(); gen != genJets->end(); ++ gen ) {
      if (jetInd == 0){
    genJetPt=gen->pt();
    genJetEta=gen->eta();
    genJetPhi=gen->phi();
    for (size_t it=0;it<hltTrgJet.size();it++) {
      _meGenJetPt[it]->Fill( genJetPt );
      _meGenJetEta[it]->Fill( genJetEta );
      _meGenJetPhi[it]->Fill( genJetPhi );
      if (myTrigJ[it]) _meGenJetPtTrgMC[it]->Fill( genJetPt );
      if (myTrigJ[it]) _meGenJetEtaTrgMC[it]->Fill( genJetEta );
      if (myTrigJ[it]) _meGenJetPhiTrgMC[it]->Fill( genJetPhi );
      if (myTrigJ[it] && myTrigJLow[it]) _meGenJetPtTrg[it]->Fill( genJetPt );
      if (myTrigJ[it] && myTrigJLow[it]) _meGenJetEtaTrg[it]->Fill( genJetEta );
      if (myTrigJ[it] && myTrigJLow[it]) _meGenJetPhiTrg[it]->Fill( genJetPhi );
      if (myTrigJLow[it]) _meGenJetPtTrgLow[it]->Fill( genJetPt );
      if (myTrigJLow[it]) _meGenJetEtaTrgLow[it]->Fill( genJetEta );
      if (myTrigJLow[it]) _meGenJetPhiTrgLow[it]->Fill( genJetPhi );
    }
    jetInd++;
      }
    }
  } 
  else{
    //std::cout << "  -- No GenJets" << std::endl;
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "  -- No GenJets"; 
  }

  // --- Fill histos for PFMET paths ---
  // HLT MET namely hltmet
  edm::Handle<CaloMETCollection> recmet;
  iEvent.getByToken(CaloMETColl, recmet);

  double calMet=-1;
  if (recmet.isValid()) { 
    typedef CaloMETCollection::const_iterator cmiter;
    //std::cout << "Size of MET collection" <<  recmet.size() << std::endl;
    for ( cmiter i=recmet->begin(); i!=recmet->end(); i++) {
      calMet = i->pt();
      for (size_t it=0;it<hltTrgMet.size();it++) {
    _meHLTMET[it] -> Fill(calMet);
    if (myTrigM.size() > it && myTrigM[it]) _meHLTMETTrgMC[it] -> Fill(calMet);
    if (myTrigM.size() > it && myTrigMLow.size() > it && myTrigM[it] && myTrigMLow[it]) _meHLTMETTrg[it] -> Fill(calMet);
    if (myTrigMLow.size() > it && myTrigMLow[it]) _meHLTMETTrgLow[it] -> Fill(calMet);
      }
    }
  }
  else{
    //std::cout << "  -- No MET Collection with name: " << CaloMETColl << std::endl;
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "  -- No MET Collection with name: "<< CaloMETColl; 
  }
  
  edm::Handle<GenMETCollection> genmet;
  iEvent.getByToken(GenMETColl, genmet);

  double genMet=-1;
  if (genmet.isValid()) { 
    typedef GenMETCollection::const_iterator cmiter;
    for ( cmiter i=genmet->begin(); i!=genmet->end(); i++) {
      genMet = i->pt();
      for (size_t it=0;it<hltTrgMet.size();it++) {
    _meGenMET[it] -> Fill(genMet);
    if (myTrigM.size() > it && myTrigM[it]) _meGenMETTrgMC[it] -> Fill(genMet);
    if (myTrigM.size() > it && myTrigMLow.size() > it && myTrigM[it] && myTrigMLow[it]) _meGenMETTrg[it] -> Fill(genMet);
    if (myTrigMLow.size() > it && myTrigMLow[it]) _meGenMETTrgLow[it] -> Fill(genMet);
      }
    }
  }
  else{
    //std::cout << "  -- No GenMET Collection with name: " << GenMETColl << std::endl;
    //if (evtCnt==1) edm::LogWarning("HLTJetMETValidation") << "  -- No GenMET Collection with name: "<< GenMETColl; 
  }
  
}

void HLTJetMETValidation::getHLTResults(const edm::TriggerResults& hltresults,
                                        const edm::TriggerNames & triggerNames) {

  int ntrigs=hltresults.size();
  if (! HLTinit_){
    HLTinit_=true;
    
    for (int itrig = 0; itrig != ntrigs; ++itrig){
      // std::cout << "trigger " << itrig << ": " << trigName << std::endl; 
    }
  }
  
  for (int itrig = 0; itrig != ntrigs; ++itrig){
    std::string trigName = triggerNames.triggerName(itrig);
     bool accept=hltresults.accept(itrig);

     //if (accept) _triggerResults->Fill(float(itrig));

     // fill the trigger map
     typedef std::map<std::string,bool>::value_type valType;
     trig_iter=hltTriggerMap.find(trigName);
     if (trig_iter==hltTriggerMap.end())
       hltTriggerMap.insert(valType(trigName,accept));
     else
       trig_iter->second=accept;
  }
}