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Merge pull request cms-sw#47 from battibass/mc_config_update
Update the configuration for TnP MC production
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| // | ||
| // $Id: GenAdditionalInfo.cc,v 1.1 2015/08/23 13:49:16 battilan Exp $ | ||
| // | ||
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| /** | ||
| \class GenAdditionalInfo | ||
| \brief Adds generator level information to the T&P according to 74X interface. | ||
| https://indico.cern.ch/event/402279/contribution/5/attachments/805964/1104514/mcaod-Jun17-2015.pdf | ||
| \Author Carlo Battilana | ||
| \version $Id: GenAdditionalInfo.cc,v 1.1 2015/08/23 13:49:16 battilan Exp $ | ||
| */ | ||
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| #include "FWCore/Framework/interface/EDProducer.h" | ||
| #include "FWCore/Framework/interface/Event.h" | ||
| #include "FWCore/Framework/interface/Run.h" | ||
| #include "FWCore/ParameterSet/interface/ParameterSet.h" | ||
| #include "FWCore/Utilities/interface/InputTag.h" | ||
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| #include "DataFormats/Common/interface/ValueMap.h" | ||
| #include "SimDataFormats/GeneratorProducts/interface/GenEventInfoProduct.h" | ||
| #include "SimDataFormats/PileupSummaryInfo/interface/PileupSummaryInfo.h" | ||
| #include "DataFormats/Candidate/interface/CompositeCandidate.h" | ||
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| class GenAdditionalInfo : public edm::EDProducer | ||
| { | ||
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| public: | ||
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| explicit GenAdditionalInfo(const edm::ParameterSet & iConfig); | ||
| virtual ~GenAdditionalInfo() { } | ||
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| virtual void produce(edm::Event & iEvent, const edm::EventSetup & iSetup) final; | ||
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| private: | ||
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| edm::EDGetTokenT<GenEventInfoProduct> m_genInfoTag; | ||
| edm::EDGetTokenT<std::vector<PileupSummaryInfo>> m_pileUpInfoTag; | ||
| edm::EDGetTokenT<edm::View<reco::Candidate>> m_pairTag; | ||
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| /// Write a ValueMap<float> in the event | ||
| template<typename T> void writeValueMap(edm::Event &ev, const edm::Handle<edm::View<reco::Candidate> > & handle, | ||
| const std::vector<T> & values, const std::string & label) const ; | ||
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| }; | ||
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| GenAdditionalInfo::GenAdditionalInfo(const edm::ParameterSet & iConfig) : | ||
| m_genInfoTag(consumes<GenEventInfoProduct>(iConfig.getParameter<edm::InputTag>("genInfoTag"))), | ||
| m_pileUpInfoTag(consumes<std::vector<PileupSummaryInfo>>(iConfig.getParameter<edm::InputTag>("pileUpInfoTag"))), | ||
| m_pairTag(consumes<edm::View<reco::Candidate>>(iConfig.getParameter<edm::InputTag>("pairTag"))) | ||
| { | ||
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| produces<edm::ValueMap<float> >("genWeight"); | ||
| produces<edm::ValueMap<float> >("truePileUp"); | ||
| produces<edm::ValueMap<float> >("actualPileUp"); | ||
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| } | ||
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| void GenAdditionalInfo::produce(edm::Event & ev, const edm::EventSetup & iSetup) | ||
| { | ||
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| float weight = 1.; | ||
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| float truePU = -1.; | ||
| float actualPU = -1.; | ||
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| if (!ev.isRealData()) | ||
| { | ||
| edm::Handle<GenEventInfoProduct> genInfo; | ||
| ev.getByToken(m_genInfoTag, genInfo); | ||
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| edm::Handle<std::vector<PileupSummaryInfo> > puInfo; | ||
| ev.getByToken(m_pileUpInfoTag, puInfo); | ||
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| weight = genInfo->weight(); | ||
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| for( auto & puInfoEntry : *puInfo.product() ) | ||
| { | ||
| int bx = puInfoEntry.getBunchCrossing(); | ||
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| if(bx == 0) | ||
| { | ||
| truePU = puInfoEntry.getTrueNumInteractions(); | ||
| actualPU = puInfoEntry.getPU_NumInteractions(); | ||
| continue; | ||
| } | ||
| } | ||
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| } | ||
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| edm::Handle<edm::View<reco::Candidate> > pairs; | ||
| ev.getByToken(m_pairTag, pairs); | ||
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| size_t n = pairs->size(); | ||
| std::vector<float> genWeight(n,0); | ||
| std::vector<float> truePileUp(n,0); | ||
| std::vector<float> actualPileUp(n,0); | ||
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| for (size_t iPair = 0; iPair < n; ++iPair) | ||
| { | ||
| const reco::Candidate & pair = (*pairs)[iPair]; | ||
| if (pair.numberOfDaughters() != 2) throw cms::Exception("CorruptData") << | ||
| "[GenAdditionalInfo::produce] GenAdditionalInfo should be used on composite candidates with two daughters, this one has " << pair.numberOfDaughters() << "\n"; | ||
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| genWeight[iPair] = weight; | ||
| truePileUp[iPair] = truePU; | ||
| actualPileUp[iPair] = actualPU; | ||
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| } | ||
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| writeValueMap<float>(ev, pairs, genWeight, "genWeight"); | ||
| writeValueMap<float>(ev, pairs, truePileUp, "truePileUp"); | ||
| writeValueMap<float>(ev, pairs, actualPileUp, "actualPileUp"); | ||
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| } | ||
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| template<typename T> void GenAdditionalInfo::writeValueMap(edm::Event & ev, const edm::Handle<edm::View<reco::Candidate> > & handle, | ||
| const std::vector<T> & values, const std::string & label) const | ||
| { | ||
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| std::auto_ptr<edm::ValueMap<T> > valMap(new edm::ValueMap<T>()); | ||
| typename edm::ValueMap<T>::Filler filler(*valMap); | ||
| filler.insert(handle, values.begin(), values.end()); | ||
| filler.fill(); | ||
| ev.put(valMap, label); | ||
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| } | ||
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| #include "FWCore/Framework/interface/MakerMacros.h" | ||
| DEFINE_FWK_MODULE(GenAdditionalInfo); |
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