/data/refman/pasoursint/CMSSW_6_1_2_SLHC4_patch1/src/DQM/HLTEvF/plugins/HLTMon.cc

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#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "DataFormats/Common/interface/Handle.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"

#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "DQM/HLTEvF/interface/HLTMon.h"
#include "DataFormats/RecoCandidate/interface/RecoEcalCandidate.h"
#include "DataFormats/EgammaCandidates/interface/Electron.h"
#include "DataFormats/EgammaCandidates/interface/Electron.h"
#include "DataFormats/EgammaCandidates/interface/ElectronFwd.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectronFwd.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
#include "DataFormats/HLTReco/interface/TriggerFilterObjectWithRefs.h"
#include "DataFormats/L1Trigger/interface/L1EmParticle.h"
#include "DataFormats/L1Trigger/interface/L1EmParticleFwd.h"
#include "DataFormats/EgammaCandidates/interface/ElectronIsolationAssociation.h"
#include "DataFormats/HLTReco/interface/TriggerEventWithRefs.h"
#include "DataFormats/EgammaReco/interface/SuperCluster.h"
#include "DataFormats/Common/interface/RefToBase.h"
#include "DQMServices/Core/interface/DQMStore.h"
#include "DQMServices/Core/interface/MonitorElement.h"
//copied mostly from HLTMuonDQMSource.cc
#include "DataFormats/RecoCandidate/interface/RecoChargedCandidate.h"
#include "DataFormats/RecoCandidate/interface/RecoChargedCandidateFwd.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/MuonReco/interface/MuonTrackLinks.h"
#include "DataFormats/MuonReco/interface/MuonFwd.h"
#include "DataFormats/RecoCandidate/interface/IsoDeposit.h"
#include "DataFormats/RecoCandidate/interface/IsoDepositFwd.h"
#include "DataFormats/Common/interface/AssociationMap.h"
#include "DataFormats/BeamSpot/interface/BeamSpot.h"
#include "DataFormats/MuonSeed/interface/L2MuonTrajectorySeed.h"
#include "DataFormats/MuonSeed/interface/L2MuonTrajectorySeedCollection.h"
#include "DataFormats/TrajectorySeed/interface/TrajectorySeed.h"
#include "DataFormats/L1Trigger/interface/L1MuonParticle.h"
#include "DataFormats/L1Trigger/interface/L1MuonParticleFwd.h"
#include "DataFormats/L1GlobalMuonTrigger/interface/L1MuGMTCand.h"
#include "DataFormats/JetReco/interface/CaloJet.h"
#include "DataFormats/METReco/interface/CaloMETCollection.h"
#include "DataFormats/METReco/interface/CaloMET.h"

#include "DataFormats/L1Trigger/interface/L1JetParticle.h"
#include "DataFormats/L1Trigger/interface/L1JetParticleFwd.h"
#include "DataFormats/RecoCandidate/interface/RecoCaloTowerCandidate.h"

HLTMon::HLTMon(const edm::ParameterSet& iConfig)
{

 LogDebug("HLTMon") << "constructor...." ;

 logFile_.open("HLTMon.log");

 dbe = NULL;
 if (iConfig.getUntrackedParameter < bool > ("DQMStore", false)) {
   dbe = edm::Service < DQMStore > ().operator->();
   dbe->setVerbose(0);
 }

 outputFile_ =
   iConfig.getUntrackedParameter < std::string > ("outputFile", "");
 if (outputFile_.size() != 0) {
   edm::LogInfo("HLTMon") << "L1T Monitoring histograms will be saved to " 
                          << outputFile_ ;
 }
 else {
   outputFile_ = "L1TDQM.root";
 }

 bool disable =
   iConfig.getUntrackedParameter < bool > ("disableROOToutput", false);
 if (disable) {
   outputFile_ = "";
 }

 dirname_="HLT/HLTMon"+iConfig.getParameter<std::string>("@module_label");

 if (dbe != NULL) {
   dbe->setCurrentFolder(dirname_);
 }


 //plotting paramters
 thePtMin = iConfig.getUntrackedParameter<double>("PtMin",0.);
 thePtMax = iConfig.getUntrackedParameter<double>("PtMax",300.);
 theNbins = iConfig.getUntrackedParameter<unsigned int>("Nbins",40);

 //info for each filter-step
 reqNum = iConfig.getParameter<unsigned int>("reqNum");
 std::vector<edm::ParameterSet> filters = iConfig.getParameter<std::vector<edm::ParameterSet> >("filters");

 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<unsigned int>("theHLTOutputTypes"));
   std::vector<double> bounds = filterconf->getParameter<std::vector<double> >("PlotBounds");
   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"));
   assert(isoNames.back().size()>0);
   if (isoNames.back().at(0).label()=="none")
     plotiso.push_back(false);
   else{
        plotiso.push_back(true);
   }
 }

}


HLTMon::~HLTMon()
{

  // 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
HLTMon::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
{

  nev_++;
  LogDebug("HLTMon")<< "HLTMon: analyze...." ;

 edm::Handle<trigger::TriggerEventWithRefs> triggerObj;
 iEvent.getByLabel("hltTriggerSummaryRAW",triggerObj);   //Gets the data product which holds
 if(!triggerObj.isValid()) {                             //all of the information. 
   edm::LogWarning("HLTMon") << "RAW-type HLT results not found, skipping event";
   return;
 }

 // total event number
 total->Fill(theHLTCollectionLabels.size()+0.5);

 //Each individual "Collection Label" has a numbered category that can be found on doxygen
 for(unsigned int n=0; n < theHLTCollectionLabels.size() ; n++) { //loop over filter modules
   switch(theHLTOutputTypes[n]){
   case 81: //L1 Muons
     fillHistos<l1extra::L1MuonParticleCollection>(triggerObj,iEvent,n);break;
   case 82: // non-iso L1
     fillHistos<l1extra::L1EmParticleCollection>(triggerObj,iEvent,n);break;
   case 83: // iso L1http://slashdot.org/
     fillHistos<l1extra::L1EmParticleCollection>(triggerObj,iEvent,n);break;
   case 84: // 
     fillHistos<l1extra::L1JetParticleCollection>(triggerObj,iEvent,n);break;
   case 85: // 
     fillHistos<l1extra::L1JetParticleCollection>(triggerObj,iEvent,n);break;
   case 91: //photon 
     fillHistos<reco::RecoEcalCandidateCollection>(triggerObj,iEvent,n);break;
   case 92: //electron 
     fillHistos<reco::ElectronCollection>(triggerObj,iEvent,n);break;
   case 93: //Muon 
     fillHistos<reco::RecoChargedCandidateCollection>(triggerObj,iEvent,n);break;
   case 95: //Jet
     fillHistos<reco::CaloJetCollection>(triggerObj,iEvent,n);break;
   case 97: //MET
     fillHistos<reco::CaloMETCollection>(triggerObj,iEvent,n);break;
   case 100: // TriggerCluster
     fillHistos<reco::RecoEcalCandidateCollection>(triggerObj,iEvent,n);break;
   default: throw(cms::Exception("Release Validation Error")<< "HLT output type not implemented: theHLTOutputTypes[n]" );
   }
 }
}

template <class T> void HLTMon::fillHistos(edm::Handle<trigger::TriggerEventWithRefs>& triggerObj,const edm::Event& iEvent  ,unsigned int n){


 std::vector<edm::Ref<T> > particlecands;
 // To keep track of what particlecands have passed a filter in TriggerEventWithRefs
 // it adds the name to a list of filter names. To check whether a filter got passed, 
 // one just looks at its index  in the list...if it is not there it (for some reason) 
 // returns the size of the list.
 if (!( triggerObj->filterIndex(theHLTCollectionLabels[n])>=triggerObj->size() )){ // only process if availabel  
   // retrieve saved filter objects
   triggerObj->getObjects(triggerObj->filterIndex(theHLTCollectionLabels[n]),theHLTOutputTypes[n],particlecands);
   //Danger: special case, L1 non-isolated
   // needs to be merged with L1 iso
   if(theHLTOutputTypes[n]==82){
     std::vector<edm::Ref<T> > isocands;
     triggerObj->getObjects(triggerObj->filterIndex(theHLTCollectionLabels[n]),83,isocands);
     if(isocands.size()>0)
        for(unsigned int i=0; i < isocands.size(); i++)
          particlecands.push_back(isocands[i]);
   }

   //fill filter objects into histos
   if (particlecands.size()!=0){
     if(particlecands.size() >= reqNum ) 
        total->Fill(n+0.5);
     for (unsigned int i=0; i<particlecands.size() && particlecands[i].isAvailable(); i++) {
        //unmatched
        ethist[n]->Fill(particlecands[i]->et() );
        etahist[n]->Fill(particlecands[i]->eta() );
        phihist[n]->Fill(particlecands[i]->phi() );
        eta_phihist[n]->Fill(particlecands[i]->eta(), particlecands[i]->phi() );

        //plot isolation variables (show not yet cut  iso, i.e. associated to next filter)
        if(n+1 < theHLTCollectionLabels.size()){ // can't plot beyond last
          if(plotiso[n+1]){
            for(unsigned int j =  0 ; j < isoNames[n+1].size() ;j++  ){
              edm::Handle<edm::AssociationMap<edm::OneToValue< T , float > > > depMap; 
              iEvent.getByLabel(isoNames[n+1].at(j).label(),depMap);
              if(depMap.isValid()) {
                  typename edm::AssociationMap<edm::OneToValue< T , float > >::const_iterator mapi = depMap->find(particlecands[i]);
                   if(mapi!=depMap->end()){  // found candidate in isolation map! 
                     etahistiso[n+1]->Fill(particlecands[i]->eta(),mapi->val);
                     ethistiso[n+1]->Fill(particlecands[i]->et(),mapi->val);
                     phihistiso[n+1]->Fill(particlecands[i]->phi(),mapi->val);
                     break; // to avoid multiple filling we only look until we found the candidate once.
                   }
              } else {
                edm::LogWarning("HLTMon") << "IsoName collection not found";  
              }
            }
          }               
        }
     }
   }
 }
}
// ------------ method called once each job just before starting event loop  ------------
void 
HLTMon::beginJob()
{
 nev_ = 0;
 DQMStore *dbe = 0;
 dbe = edm::Service < DQMStore > ().operator->();

 if (dbe) {
   dbe->setCurrentFolder(dirname_);
   dbe->rmdir(dirname_);
 }


 if (dbe) {
   dbe->setCurrentFolder(dirname_);

   std::string histoname="total eff";
   MonitorElement* tmphisto;


   total = dbe->book1D(histoname.c_str(),histoname.c_str(),theHLTCollectionLabels.size()+1,0,theHLTCollectionLabels.size()+1);
   total->setBinLabel(theHLTCollectionLabels.size()+1,"Total",1);
   for (unsigned int u=0; u<theHLTCollectionLabels.size(); u++){total->setBinLabel(u+1,theHLTCollectionLabels[u].label().c_str());}

   for(unsigned int i = 0; i< theHLTCollectionLabels.size() ; i++){
     histoname = theHLTCollectionLabels[i].label()+"et";
        //ability to customize histograms
/*
        if(theHLTCollectionLabels[i].label() == "hltL1seedRelaxedSingleEt8")
        {
                thePtMinTemp = thePtMin;
                thePtMaxTemp = thePtMax;
        }
        else if(theHLTCollectionLabels[i].label() == "hltL1NonIsoHLTNonIsoSingleElectronLWEt12L1MatchFilterRegional")
        {
                thePtMinTemp = thePtMin;
                thePtMaxTemp = thePtMax;
        }
        else if(theHLTCollectionLabels[i].label() == "hltL1NonIsoHLTNonIsoSingleElectronLWEt12EtFilter")
        {
                thePtMinTemp = thePtMin;
                thePtMaxTemp = thePtMax;
        }
        else if(theHLTCollectionLabels[i].label() == "hltL1NonIsoHLTNonIsoSingleElectronLWEt12HOneOEMinusOneOPFilter")
        {
                thePtMinTemp = thePtMin;
                thePtMaxTemp = thePtMax;
        }
        else if(theHLTCollectionLabels[i].label() == "hltZMML2Filtered")
        {
                thePtMinTemp = thePtMin;
                thePtMaxTemp = thePtMax;
        }
        else if(theHLTCollectionLabels[i].label() == "hltEMuL1MuonFilter")
        {
                thePtMinTemp = thePtMin;
                thePtMaxTemp = thePtMax;
        }
     else
        { */
        thePtMaxTemp = thePtMax;
        thePtMinTemp = thePtMin;
        //}
       // Formatting of various plots.
        histoTitle = theHLTCollectionLabels[i].label() + " Et";
     tmphisto =  dbe->book1D(histoname.c_str(),histoTitle.c_str(),theNbins,thePtMinTemp,thePtMaxTemp);
     tmphisto->setAxisTitle("Number of Events", 2);
     tmphisto->setAxisTitle("p_{T}", 1);
     ethist.push_back(tmphisto);

     histoname = theHLTCollectionLabels[i].label()+"eta";
     histoTitle = theHLTCollectionLabels[i].label() + " #eta";
     tmphisto =  dbe->book1D(histoname.c_str(),histoTitle.c_str(),theNbins,-2.7,2.7);
     tmphisto->setAxisTitle("Number of Events", 2);
     tmphisto->setAxisTitle("#eta", 1);
     etahist.push_back(tmphisto);          

     histoname = theHLTCollectionLabels[i].label()+"phi";
     histoTitle = theHLTCollectionLabels[i].label() + " #phi";
     tmphisto =  dbe->book1D(histoname.c_str(),histoTitle.c_str(),theNbins,-3.14,3.14);
     tmphisto->setAxisTitle("Number of Events", 2);
     tmphisto->setAxisTitle("#phi", 1);
     phihist.push_back(tmphisto);  

     histoname = theHLTCollectionLabels[i].label()+"eta_phi";
     histoTitle = theHLTCollectionLabels[i].label() + " #eta vs. #phi";
     tmphisto =  dbe->book2D(histoname.c_str(),histoTitle.c_str(),theNbins,-2.7,2.7, theNbins,
     -3.14, 3.14);
     tmphisto->setAxisTitle("#phi", 2);
     tmphisto->setAxisTitle("#eta", 1);
     eta_phihist.push_back(tmphisto);   

     if(plotiso[i]){
        histoname = theHLTCollectionLabels[i].label()+"eta isolation";
        tmphisto = dbe->book2D(histoname.c_str(),histoname.c_str(),theNbins,-2.7,2.7,theNbins,plotBounds[i].first,plotBounds[i].second);
     }
     else{
        tmphisto = NULL;
     }
     etahistiso.push_back(tmphisto);

     if(plotiso[i]){
        histoname = theHLTCollectionLabels[i].label()+"et isolation";
        tmphisto = dbe->book2D(histoname.c_str(),histoname.c_str(),theNbins,thePtMin,thePtMax,theNbins,plotBounds[i].first,plotBounds[i].second);
     }
     else{
        tmphisto = NULL;
     }
     ethistiso.push_back(tmphisto);


     if(plotiso[i]){
        histoname = theHLTCollectionLabels[i].label()+"phi isolation";
        tmphisto = dbe->book2D(histoname.c_str(),histoname.c_str(),theNbins,-3.14,3.14,theNbins,plotBounds[i].first,plotBounds[i].second);
     }
     else{
        tmphisto = NULL;
     }
     phihistiso.push_back(tmphisto);
        

   } 
 } // end "if(dbe)"
}

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

//     std::cout << "HLTMonElectron: end job...." << std::endl;
  edm::LogInfo("HLTMon") << "analyzed " << nev_ << " events";

  if (outputFile_.size() != 0 && dbe)
    dbe->save(outputFile_);

  return;
}

//DEFINE_FWK_MODULE(HLTMonElectron);