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//
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// $Id: PATMETProducer.cc,v 1.7.4.3 2009/04/30 09:11:46 gpetrucc Exp $
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//
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#include "PhysicsTools/PatAlgos/plugins/PATMETProducer.h"
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#include "FWCore/MessageLogger/interface/MessageLogger.h"
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#include "FWCore/ParameterSet/interface/FileInPath.h"
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#include "DataFormats/Common/interface/View.h"
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#include <memory>
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using namespace pat;
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PATMETProducer::PATMETProducer(const edm::ParameterSet & iConfig):
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userDataHelper_ ( iConfig.getParameter<edm::ParameterSet>("userData") )
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{
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// initialize the configurables
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metSrc_ = iConfig.getParameter<edm::InputTag>("metSource");
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addGenMET_ = iConfig.getParameter<bool> ("addGenMET");
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genMETSrc_ = iConfig.getParameter<edm::InputTag>("genMETSource");
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addTrigMatch_ = iConfig.getParameter<bool> ( "addTrigMatch" );
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trigMatchSrc_ = iConfig.getParameter<std::vector<edm::InputTag> >( "trigPrimMatch" );
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// Efficiency configurables
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addEfficiencies_ = iConfig.getParameter<bool>("addEfficiencies");
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if (addEfficiencies_) {
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efficiencyLoader_ = pat::helper::EfficiencyLoader(iConfig.getParameter<edm::ParameterSet>("efficiencies"));
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}
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// Resolution configurables
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addResolutions_ = iConfig.getParameter<bool>("addResolutions");
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if (addResolutions_) {
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resolutionLoader_ = pat::helper::KinResolutionsLoader(iConfig.getParameter<edm::ParameterSet>("resolutions"));
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}
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// Check to see if the user wants to add user data
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useUserData_ = false;
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if ( iConfig.exists("userData") ) {
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useUserData_ = true;
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}
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// produces vector of mets
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produces<std::vector<MET> >();
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}
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PATMETProducer::~PATMETProducer() {
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}
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void PATMETProducer::produce(edm::Event & iEvent, const edm::EventSetup & iSetup) {
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// Get the vector of MET's from the event
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edm::Handle<edm::View<METType> > mets;
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iEvent.getByLabel(metSrc_, mets);
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if (mets->size() != 1) throw cms::Exception("Corrupt Data") << "The input MET collection " << metSrc_.encode() << " has size " << mets->size() << " instead of 1 as it should.\n";
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if (efficiencyLoader_.enabled()) efficiencyLoader_.newEvent(iEvent);
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if (resolutionLoader_.enabled()) resolutionLoader_.newEvent(iEvent, iSetup);
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// Get the vector of generated met from the event if needed
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edm::Handle<edm::View<reco::GenMET> > genMETs;
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if (addGenMET_) {
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iEvent.getByLabel(genMETSrc_, genMETs);
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}
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// loop over mets
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std::vector<MET> * patMETs = new std::vector<MET>();
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for (edm::View<METType>::const_iterator itMET = mets->begin(); itMET != mets->end(); itMET++) {
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// construct the MET from the ref -> save ref to original object
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unsigned int idx = itMET - mets->begin();
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edm::RefToBase<METType> metsRef = mets->refAt(idx);
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edm::Ptr<METType> metsPtr = mets->ptrAt(idx);
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MET amet(metsRef);
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// add the generated MET
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if (addGenMET_) amet.setGenMET((*genMETs)[idx]);
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// matches to trigger primitives
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if ( addTrigMatch_ ) {
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for ( size_t i = 0; i < trigMatchSrc_.size(); ++i ) {
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edm::Handle<edm::Association<TriggerPrimitiveCollection> > trigMatch;
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iEvent.getByLabel(trigMatchSrc_[i], trigMatch);
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TriggerPrimitiveRef trigPrim = (*trigMatch)[metsRef];
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if ( trigPrim.isNonnull() && trigPrim.isAvailable() ) {
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amet.addTriggerMatch(*trigPrim);
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}
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}
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}
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if (efficiencyLoader_.enabled()) {
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efficiencyLoader_.setEfficiencies( amet, metsRef );
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}
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if (resolutionLoader_.enabled()) {
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resolutionLoader_.setResolutions(amet);
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}
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if ( useUserData_ ) {
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userDataHelper_.add( amet, iEvent, iSetup );
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}
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// correct for muons if demanded... never more: it's now done by JetMETCorrections
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// add the MET to the vector of METs
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patMETs->push_back(amet);
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}
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// sort MET in ET .. don't mess with this
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// std::sort(patMETs->begin(), patMETs->end(), eTComparator_);
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// put genEvt object in Event
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std::auto_ptr<std::vector<MET> > myMETs(patMETs);
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iEvent.put(myMETs);
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}
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#include "FWCore/Framework/interface/MakerMacros.h"
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DEFINE_FWK_MODULE(PATMETProducer);
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