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////////////////////////////////////////////////////////////////////////////////
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//
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// VirtualJetProducer
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// ------------------
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//
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// 04/21/2009 Philipp Schieferdecker <philipp.schieferdecker@cern.ch>
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////////////////////////////////////////////////////////////////////////////////
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#include "RecoJets/JetProducers/plugins/VirtualJetProducer.h"
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#include "RecoJets/JetProducers/interface/JetSpecific.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/EventSetup.h"
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#include "FWCore/Framework/interface/ESHandle.h"
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#include "FWCore/Utilities/interface/CodedException.h"
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#include "FWCore/MessageLogger/interface/MessageLogger.h"
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#include "FWCore/Framework/interface/MakerMacros.h"
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#include "DataFormats/Common/interface/View.h"
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#include "DataFormats/Common/interface/Handle.h"
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#include "DataFormats/VertexReco/interface/Vertex.h"
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#include "DataFormats/VertexReco/interface/VertexFwd.h"
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#include "DataFormats/JetReco/interface/CaloJetCollection.h"
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#include "DataFormats/JetReco/interface/GenJetCollection.h"
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#include "DataFormats/JetReco/interface/PFJetCollection.h"
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#include "DataFormats/JetReco/interface/BasicJetCollection.h"
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#include "DataFormats/JetReco/interface/TrackJetCollection.h"
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#include "DataFormats/Candidate/interface/CandidateFwd.h"
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#include "DataFormats/Candidate/interface/LeafCandidate.h"
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#include "fastjet/SISConePlugin.hh"
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#include "fastjet/CMSIterativeConePlugin.hh"
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#include "fastjet/ATLASConePlugin.hh"
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#include "fastjet/CDFMidPointPlugin.hh"
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#include <iostream>
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#include <memory>
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#include <algorithm>
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#include <limits>
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#include <cmath>
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using namespace std;
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namespace reco {
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namespace helper {
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struct GreaterByPtPseudoJet {
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bool operator()( const fastjet::PseudoJet & t1, const fastjet::PseudoJet & t2 ) const {
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return t1.perp() > t2.perp();
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}
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};
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}
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}
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//______________________________________________________________________________
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const char *VirtualJetProducer::JetType::names[] = {
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"BasicJet","GenJet","CaloJet","PFJet","TrackJet"
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};
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//______________________________________________________________________________
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VirtualJetProducer::JetType::Type
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VirtualJetProducer::JetType::byName(const string &name)
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{
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const char **pos = std::find(names, names + LastJetType, name);
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if (pos == names + LastJetType) {
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std::string errorMessage="Requested jetType not supported: "+name+"\n";
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throw cms::Exception("Configuration",errorMessage);
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}
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return (Type)(pos-names);
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}
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void VirtualJetProducer::makeProduces( std::string alias, std::string tag )
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{
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if (makeCaloJet(jetTypeE)) {
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produces<reco::CaloJetCollection>(tag).setBranchAlias(alias);
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}
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else if (makePFJet(jetTypeE)) {
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produces<reco::PFJetCollection>(tag).setBranchAlias(alias);
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}
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else if (makeGenJet(jetTypeE)) {
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produces<reco::GenJetCollection>(tag).setBranchAlias(alias);
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}
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else if (makeTrackJet(jetTypeE)) {
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produces<reco::TrackJetCollection>(tag).setBranchAlias(alias);
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}
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else if (makeBasicJet(jetTypeE)) {
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produces<reco::BasicJetCollection>(tag).setBranchAlias(alias);
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// construction / destruction
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////////////////////////////////////////////////////////////////////////////////
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//______________________________________________________________________________
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VirtualJetProducer::VirtualJetProducer(const edm::ParameterSet& iConfig)
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: moduleLabel_ (iConfig.getParameter<string> ("@module_label"))
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, src_ (iConfig.getParameter<edm::InputTag>("src"))
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, srcPVs_ (iConfig.getParameter<edm::InputTag>("srcPVs"))
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, jetType_ (iConfig.getParameter<string> ("jetType"))
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, jetAlgorithm_ (iConfig.getParameter<string> ("jetAlgorithm"))
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, rParam_ (iConfig.getParameter<double> ("rParam"))
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, inputEtMin_ (iConfig.getParameter<double> ("inputEtMin"))
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, inputEMin_ (iConfig.getParameter<double> ("inputEMin"))
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, jetPtMin_ (iConfig.getParameter<double> ("jetPtMin"))
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, doPVCorrection_(iConfig.getParameter<bool> ("doPVCorrection"))
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, restrictInputs_(false)
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, maxInputs_(99999999)
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, doAreaFastjet_ (iConfig.getParameter<bool> ("doAreaFastjet"))
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, doRhoFastjet_ (iConfig.getParameter<bool> ("doRhoFastjet"))
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, doPUOffsetCorr_(iConfig.getParameter<bool> ("doPUOffsetCorr"))
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, maxBadEcalCells_ (iConfig.getParameter<unsigned>("maxBadEcalCells"))
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, maxRecoveredEcalCells_ (iConfig.getParameter<unsigned>("maxRecoveredEcalCells"))
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, maxProblematicEcalCells_(iConfig.getParameter<unsigned>("maxProblematicEcalCells"))
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, maxBadHcalCells_ (iConfig.getParameter<unsigned>("maxBadHcalCells"))
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, maxRecoveredHcalCells_ (iConfig.getParameter<unsigned>("maxRecoveredHcalCells"))
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, maxProblematicHcalCells_(iConfig.getParameter<unsigned>("maxProblematicHcalCells"))
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, jetCollInstanceName_ ("")
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{
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//
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// additional parameters to think about:
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// - overlap threshold (set to 0.75 for the time being)
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// - p parameter for generalized kT (set to -2 for the time being)
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// - fastjet PU subtraction parameters (not yet considered)
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//
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if (jetAlgorithm_=="SISCone") {
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fjPlugin_ = PluginPtr( new fastjet::SISConePlugin(rParam_,0.75,0,0.0,false,
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fastjet::SISConePlugin::SM_pttilde) );
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fjJetDefinition_= JetDefPtr( new fastjet::JetDefinition(&*fjPlugin_) );
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}
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else if (jetAlgorithm_=="IterativeCone") {
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fjPlugin_ = PluginPtr(new fastjet::CMSIterativeConePlugin(rParam_,1.0));
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fjJetDefinition_= JetDefPtr(new fastjet::JetDefinition(&*fjPlugin_));
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}
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else if (jetAlgorithm_=="CDFMidPoint") {
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fjPlugin_ = PluginPtr(new fastjet::CDFMidPointPlugin(rParam_,0.75));
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fjJetDefinition_= JetDefPtr(new fastjet::JetDefinition(&*fjPlugin_));
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}
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else if (jetAlgorithm_=="ATLASCone") {
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fjPlugin_ = PluginPtr(new fastjet::ATLASConePlugin(rParam_));
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fjJetDefinition_= JetDefPtr(new fastjet::JetDefinition(&*fjPlugin_));
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}
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else if (jetAlgorithm_=="Kt")
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fjJetDefinition_= JetDefPtr(new fastjet::JetDefinition(fastjet::kt_algorithm,rParam_));
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else if (jetAlgorithm_=="CambridgeAachen")
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fjJetDefinition_= JetDefPtr(new fastjet::JetDefinition(fastjet::cambridge_algorithm,
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rParam_) );
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else if (jetAlgorithm_=="AntiKt")
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fjJetDefinition_= JetDefPtr( new fastjet::JetDefinition(fastjet::antikt_algorithm,rParam_) );
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else if (jetAlgorithm_=="GeneralizedKt")
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fjJetDefinition_= JetDefPtr( new fastjet::JetDefinition(fastjet::genkt_algorithm,
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rParam_,-2) );
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else
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throw cms::Exception("Invalid jetAlgorithm")
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<<"Jet algorithm for VirtualJetProducer is invalid, Abort!\n";
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jetTypeE=JetType::byName(jetType_);
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if ( iConfig.exists("jetCollInstanceName") ) {
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jetCollInstanceName_ = iConfig.getParameter<string>("jetCollInstanceName");
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}
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if ( doPUOffsetCorr_ ) {
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if ( jetTypeE != JetType::CaloJet ) {
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//throw cms::Exception("InvalidInput") << "Can only offset correct jets of type CaloJet";
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std::cout<<" Implementing background subtraction using a pseudo calo grid"<<std::endl;
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}
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if(iConfig.exists("subtractorName")) puSubtractorName_ = iConfig.getParameter<string> ("subtractorName");
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else puSubtractorName_ = std::string();
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if(puSubtractorName_.empty()){
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edm::LogWarning("VirtualJetProducer") << "Pile Up correction on; however, pile up type is not specified. Using default... \n";
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subtractor_ = boost::shared_ptr<PileUpSubtractor>(new PileUpSubtractor(iConfig));
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}else{
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subtractor_ = boost::shared_ptr<PileUpSubtractor>(PileUpSubtractorFactory::get()->create( puSubtractorName_, iConfig));
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}
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}
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// do fasjet area / rho calcluation? => accept corresponding parameters
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if ( doAreaFastjet_ || doRhoFastjet_ ) {
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// Eta range of jets to be considered for Rho calculation
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// Should be at most (jet acceptance - jet radius)
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double rhoEtaMax=iConfig.getParameter<double>("Rho_EtaMax");
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// default Ghost_EtaMax should be 5
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double ghostEtaMax = iConfig.getParameter<double>("Ghost_EtaMax");
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// default Active_Area_Repeats 1
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int activeAreaRepeats = iConfig.getParameter<int> ("Active_Area_Repeats");
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// default GhostArea 0.01
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double ghostArea = iConfig.getParameter<double> ("GhostArea");
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fjActiveArea_ = ActiveAreaSpecPtr(new fastjet::ActiveAreaSpec(ghostEtaMax,
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activeAreaRepeats,
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ghostArea));
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fjRangeDef_ = RangeDefPtr( new fastjet::RangeDefinition(rhoEtaMax) );
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}
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// restrict inputs to first "maxInputs" towers?
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if ( iConfig.exists("restrictInputs") ) {
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restrictInputs_ = iConfig.getParameter<bool>("restrictInputs");
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maxInputs_ = iConfig.getParameter<unsigned int>("maxInputs");
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}
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string alias=iConfig.getUntrackedParameter<string>("alias",moduleLabel_);
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// make the "produces" statements
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makeProduces( alias, jetCollInstanceName_ );
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doFastJetNonUniform_ = false;
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if(iConfig.exists("doFastJetNonUniform")) doFastJetNonUniform_ = iConfig.getParameter<bool> ("doFastJetNonUniform");
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if(doFastJetNonUniform_){
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puCenters_ = iConfig.getParameter<std::vector<double> >("puCenters");
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puWidth_ = iConfig.getParameter<double>("puWidth");
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}
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produces<std::vector<double> >("rhos");
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produces<std::vector<double> >("sigmas");
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produces<double>("rho");
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produces<double>("sigma");
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}
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//______________________________________________________________________________
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VirtualJetProducer::~VirtualJetProducer()
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{
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}
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////////////////////////////////////////////////////////////////////////////////
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// implementation of member functions
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////////////////////////////////////////////////////////////////////////////////
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//______________________________________________________________________________
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void VirtualJetProducer::produce(edm::Event& iEvent,const edm::EventSetup& iSetup)
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{
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LogDebug("VirtualJetProducer") << "Entered produce\n";
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//determine signal vertex
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vertex_=reco::Jet::Point(0,0,0);
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if (makeCaloJet(jetTypeE)&&doPVCorrection_) {
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LogDebug("VirtualJetProducer") << "Adding PV info\n";
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edm::Handle<reco::VertexCollection> pvCollection;
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iEvent.getByLabel(srcPVs_,pvCollection);
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if (pvCollection->size()>0) vertex_=pvCollection->begin()->position();
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}
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// For Pileup subtraction using offset correction:
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// set up geometry map
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if ( doPUOffsetCorr_ ) {
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subtractor_->setupGeometryMap(iEvent, iSetup);
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}
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// clear data
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LogDebug("VirtualJetProducer") << "Clear data\n";
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fjInputs_.clear();
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fjJets_.clear();
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inputs_.clear();
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// get inputs and convert them to the fastjet format (fastjet::PeudoJet)
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edm::Handle<reco::CandidateView> inputsHandle;
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iEvent.getByLabel(src_,inputsHandle);
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for (size_t i = 0; i < inputsHandle->size(); ++i) {
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inputs_.push_back(inputsHandle->ptrAt(i));
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}
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LogDebug("VirtualJetProducer") << "Got inputs\n";
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// Convert candidates to fastjet::PseudoJets.
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// Also correct to Primary Vertex. Will modify fjInputs_
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// and use inputs_
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fjInputs_.reserve(inputs_.size());
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inputTowers();
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LogDebug("VirtualJetProducer") << "Inputted towers\n";
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// For Pileup subtraction using offset correction:
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// Subtract pedestal.
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if ( doPUOffsetCorr_ ) {
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subtractor_->reset(inputs_,fjInputs_,fjJets_);
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subtractor_->calculatePedestal(fjInputs_);
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subtractor_->subtractPedestal(fjInputs_);
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LogDebug("VirtualJetProducer") << "Subtracted pedestal\n";
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}
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// Run algorithm. Will modify fjJets_ and allocate fjClusterSeq_.
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// This will use fjInputs_
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runAlgorithm( iEvent, iSetup );
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if ( doPUOffsetCorr_ ) {
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subtractor_->setAlgorithm(fjClusterSeq_);
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}
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LogDebug("VirtualJetProducer") << "Ran algorithm\n";
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// For Pileup subtraction using offset correction:
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// Now we find jets and need to recalculate their energy,
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// mark towers participated in jet,
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// remove occupied towers from the list and recalculate mean and sigma
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// put the initial towers collection to the jet,
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// and subtract from initial towers in jet recalculated mean and sigma of towers
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if ( doPUOffsetCorr_ ) {
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vector<fastjet::PseudoJet> orphanInput;
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subtractor_->calculateOrphanInput(orphanInput);
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subtractor_->calculatePedestal(orphanInput);
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subtractor_->offsetCorrectJets();
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}
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// Write the output jets.
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// This will (by default) call the member function template
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// "writeJets", but can be overridden.
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// this will use inputs_
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output( iEvent, iSetup );
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LogDebug("VirtualJetProducer") << "Wrote jets\n";
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return;
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}
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//______________________________________________________________________________
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void VirtualJetProducer::inputTowers( )
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{
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std::vector<edm::Ptr<reco::Candidate> >::const_iterator inBegin = inputs_.begin(),
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inEnd = inputs_.end(), i = inBegin;
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for (; i != inEnd; ++i ) {
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reco::CandidatePtr input = *i;
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if (isnan(input->pt())) continue;
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if (input->et() <inputEtMin_) continue;
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if (input->energy()<inputEMin_) continue;
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if (isAnomalousTower(input)) continue;
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if (makeCaloJet(jetTypeE)&&doPVCorrection_) {
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const CaloTower* tower=dynamic_cast<const CaloTower*>(input.get());
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math::PtEtaPhiMLorentzVector ct(tower->p4(vertex_));
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fjInputs_.push_back(fastjet::PseudoJet(ct.px(),ct.py(),ct.pz(),ct.energy()));
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}
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else {
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fjInputs_.push_back(fastjet::PseudoJet(input->px(),input->py(),input->pz(),
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input->energy()));
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}
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fjInputs_.back().set_user_index(i - inBegin);
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}
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if ( restrictInputs_ && fjInputs_.size() > maxInputs_ ) {
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reco::helper::GreaterByPtPseudoJet pTComparator;
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std::sort(fjInputs_.begin(), fjInputs_.end(), pTComparator);
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fjInputs_.resize(maxInputs_);
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edm::LogWarning("JetRecoTooManyEntries") << "Too many inputs in the event, limiting to first " << maxInputs_ << ". Output is suspect.";
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}
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}
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//______________________________________________________________________________
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bool VirtualJetProducer::isAnomalousTower(reco::CandidatePtr input)
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{
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if (!makeCaloJet(jetTypeE)) return false;
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const CaloTower* tower=dynamic_cast<const CaloTower*>(input.get());
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if (0==tower) return false;
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if (tower->numBadEcalCells() >maxBadEcalCells_ ||
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tower->numRecoveredEcalCells() >maxRecoveredEcalCells_ ||
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tower->numProblematicEcalCells()>maxProblematicEcalCells_||
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tower->numBadHcalCells() >maxBadHcalCells_ ||
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tower->numRecoveredHcalCells() >maxRecoveredHcalCells_ ||
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tower->numProblematicHcalCells()>maxProblematicHcalCells_) return true;
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return false;
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}
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//------------------------------------------------------------------------------
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// This is pure virtual.
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//______________________________________________________________________________
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// void VirtualJetProducer::runAlgorithm( edm::Event & iEvent, edm::EventSetup const& iSetup,
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// std::vector<edm::Ptr<reco::Candidate> > const & inputs_);
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//______________________________________________________________________________
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void VirtualJetProducer::copyConstituents(const vector<fastjet::PseudoJet>& fjConstituents,
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reco::Jet* jet)
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{
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for (unsigned int i=0;i<fjConstituents.size();++i)
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jet->addDaughter(inputs_[fjConstituents[i].user_index()]);
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}
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//______________________________________________________________________________
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vector<reco::CandidatePtr>
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VirtualJetProducer::getConstituents(const vector<fastjet::PseudoJet>&fjConstituents)
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{
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vector<reco::CandidatePtr> result;
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for (unsigned int i=0;i<fjConstituents.size();i++) {
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int index = fjConstituents[i].user_index();
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reco::CandidatePtr candidate = inputs_[index];
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result.push_back(candidate);
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}
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return result;
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}
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void VirtualJetProducer::output(edm::Event & iEvent, edm::EventSetup const& iSetup)
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{
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// Write jets and constitutents. Will use fjJets_, inputs_
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// and fjClusterSeq_
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switch( jetTypeE ) {
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case JetType::CaloJet :
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writeJets<reco::CaloJet>( iEvent, iSetup);
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break;
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case JetType::PFJet :
|
| 402 |
writeJets<reco::PFJet>( iEvent, iSetup);
|
| 403 |
break;
|
| 404 |
case JetType::GenJet :
|
| 405 |
writeJets<reco::GenJet>( iEvent, iSetup);
|
| 406 |
break;
|
| 407 |
case JetType::TrackJet :
|
| 408 |
writeJets<reco::TrackJet>( iEvent, iSetup);
|
| 409 |
break;
|
| 410 |
case JetType::BasicJet :
|
| 411 |
writeJets<reco::BasicJet>( iEvent, iSetup);
|
| 412 |
break;
|
| 413 |
default:
|
| 414 |
throw cms::Exception("InvalidInput") << "invalid jet type in VirtualJetProducer\n";
|
| 415 |
break;
|
| 416 |
};
|
| 417 |
|
| 418 |
}
|
| 419 |
|
| 420 |
template< typename T >
|
| 421 |
void VirtualJetProducer::writeJets( edm::Event & iEvent, edm::EventSetup const& iSetup )
|
| 422 |
{
|
| 423 |
// produce output jet collection
|
| 424 |
|
| 425 |
using namespace reco;
|
| 426 |
|
| 427 |
std::auto_ptr<std::vector<T> > jets(new std::vector<T>() );
|
| 428 |
jets->reserve(fjJets_.size());
|
| 429 |
|
| 430 |
for (unsigned int ijet=0;ijet<fjJets_.size();++ijet) {
|
| 431 |
// allocate this jet
|
| 432 |
T jet;
|
| 433 |
// get the fastjet jet
|
| 434 |
const fastjet::PseudoJet& fjJet = fjJets_[ijet];
|
| 435 |
// get the constituents from fastjet
|
| 436 |
std::vector<fastjet::PseudoJet> fjConstituents =
|
| 437 |
sorted_by_pt(fjClusterSeq_->constituents(fjJet));
|
| 438 |
// convert them to CandidatePtr vector
|
| 439 |
std::vector<CandidatePtr> constituents =
|
| 440 |
getConstituents(fjConstituents);
|
| 441 |
|
| 442 |
// calcuate the jet area
|
| 443 |
double jetArea=0.0;
|
| 444 |
if ( doAreaFastjet_ ) {
|
| 445 |
fastjet::ClusterSequenceArea const * clusterSequenceWithArea =
|
| 446 |
dynamic_cast<fastjet::ClusterSequenceArea const *>(&*fjClusterSeq_);
|
| 447 |
jetArea = clusterSequenceWithArea->area(fjJet);
|
| 448 |
}
|
| 449 |
|
| 450 |
// write the specifics to the jet (simultaneously sets 4-vector, vertex).
|
| 451 |
// These are overridden functions that will call the appropriate
|
| 452 |
// specific allocator.
|
| 453 |
writeSpecific(jet,
|
| 454 |
Particle::LorentzVector(fjJet.px(),
|
| 455 |
fjJet.py(),
|
| 456 |
fjJet.pz(),
|
| 457 |
fjJet.E()),
|
| 458 |
vertex_,
|
| 459 |
constituents, iSetup);
|
| 460 |
|
| 461 |
jet.setJetArea (jetArea);
|
| 462 |
|
| 463 |
if(doPUOffsetCorr_){
|
| 464 |
jet.setPileup(subtractor_->getPileUpEnergy(ijet));
|
| 465 |
}else{
|
| 466 |
jet.setPileup (0.0);
|
| 467 |
}
|
| 468 |
|
| 469 |
// add to the list
|
| 470 |
jets->push_back(jet);
|
| 471 |
}
|
| 472 |
|
| 473 |
// put the jets in the collection
|
| 474 |
iEvent.put(jets);
|
| 475 |
|
| 476 |
if (doRhoFastjet_) {
|
| 477 |
if(doFastJetNonUniform_){
|
| 478 |
std::auto_ptr<std::vector<double> > rhos(new std::vector<double>);
|
| 479 |
std::auto_ptr<std::vector<double> > sigmas(new std::vector<double>);
|
| 480 |
int nEta = puCenters_.size();
|
| 481 |
rhos->reserve(nEta);
|
| 482 |
sigmas->reserve(nEta);
|
| 483 |
fastjet::ClusterSequenceArea const * clusterSequenceWithArea =
|
| 484 |
dynamic_cast<fastjet::ClusterSequenceArea const *> ( &*fjClusterSeq_ );
|
| 485 |
|
| 486 |
for(int ie = 0; ie < nEta; ++ie){
|
| 487 |
double eta = puCenters_[ie];
|
| 488 |
double rho = 0;
|
| 489 |
double sigma = 0;
|
| 490 |
double etamin=eta-puWidth_;
|
| 491 |
double etamax=eta+puWidth_;
|
| 492 |
fastjet::RangeDefinition range_rho(etamin,etamax);
|
| 493 |
clusterSequenceWithArea->get_median_rho_and_sigma(range_rho, true, rho, sigma);
|
| 494 |
rhos->push_back(rho);
|
| 495 |
sigmas->push_back(sigma);
|
| 496 |
}
|
| 497 |
iEvent.put(rhos,"rhos");
|
| 498 |
iEvent.put(sigmas,"sigmas");
|
| 499 |
}else{
|
| 500 |
std::auto_ptr<double> rho(new double(0.0));
|
| 501 |
std::auto_ptr<double> sigma(new double(0.0));
|
| 502 |
double mean_area = 0;
|
| 503 |
|
| 504 |
fastjet::ClusterSequenceArea const * clusterSequenceWithArea =
|
| 505 |
dynamic_cast<fastjet::ClusterSequenceArea const *> ( &*fjClusterSeq_ );
|
| 506 |
clusterSequenceWithArea->get_median_rho_and_sigma(*fjRangeDef_,false,*rho,*sigma,mean_area);
|
| 507 |
iEvent.put(rho,"rho");
|
| 508 |
iEvent.put(sigma,"sigma");
|
| 509 |
}
|
| 510 |
|
| 511 |
}
|
| 512 |
}
|
| 513 |
|
| 514 |
|
| 515 |
|
