ISRWeightProducer Class Reference

Inheritance diagram for ISRWeightProducer:

List of all members.

Public Member Functions
	ISRWeightProducer (const edm::ParameterSet &)
	~ISRWeightProducer ()
Private Member Functions
virtual void	beginJob ()
virtual void	endJob ()
virtual void	produce (edm::Event &, const edm::EventSetup &)
Private Attributes
edm::InputTag	genTag_
std::vector< double >	isrBinEdges_
std::vector< double >	ptWeights_

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Detailed Description

Definition at line 20 of file ISRWeightProducer.cc.

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Constructor & Destructor Documentation

ISRWeightProducer::ISRWeightProducer

(

const edm::ParameterSet &

pset

)

[explicit]

Definition at line 38 of file ISRWeightProducer.cc.

References genTag_, edm::ParameterSet::getUntrackedParameter(), i, isrBinEdges_, and ptWeights_.

                                                                {
      genTag_ = pset.getUntrackedParameter<edm::InputTag> ("GenTag", edm::InputTag("genPArticles"));

  // Pt bin edges
      std::vector<double> defPtEdges;
      defPtEdges.push_back(0.);
      defPtEdges.push_back(999999.);
      isrBinEdges_ = pset.getUntrackedParameter<std::vector<double> > ("ISRBinEdges",defPtEdges);
      unsigned int ninputs_expected = isrBinEdges_.size()-1;

  // Distortions in muon momentum
      std::vector<double> defWeights;
      defWeights.push_back(1.);
      ptWeights_ = pset.getUntrackedParameter<std::vector<double> > ("PtWeights",defWeights);
      if (ptWeights_.size()==1 && ninputs_expected>1) {
            for (unsigned int i=1; i<ninputs_expected; i++){ ptWeights_.push_back(ptWeights_[0]);}
      }

      produces<double>();
} 

ISRWeightProducer::~ISRWeightProducer

(

)

Definition at line 60 of file ISRWeightProducer.cc.

{}

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Member Function Documentation

void ISRWeightProducer::beginJob

(

void

)

[private, virtual]

Reimplemented from edm::EDProducer.

Definition at line 63 of file ISRWeightProducer.cc.

{}

void ISRWeightProducer::endJob

(

void

)

[private, virtual]

Reimplemented from edm::EDProducer.

Definition at line 66 of file ISRWeightProducer.cc.

{}

void ISRWeightProducer::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &
	)		[private, virtual]

Implements edm::EDProducer.

Definition at line 69 of file ISRWeightProducer.cc.

References abs, genParticleCandidates2GenParticles_cfi::genParticles, genTag_, edm::Event::getByLabel(), i, isrBinEdges_, edm::EventBase::isRealData(), j, RecoTauCommonJetSelections_cfi::nbins, reco::LeafCandidate::pdgId(), reco::LeafCandidate::pt(), ptWeights_, edm::Event::put(), ntuplemaker::status, reco::LeafCandidate::status(), and CommonMethods::weight().

                                                                      {

      if (iEvent.isRealData()) return;

      edm::Handle<reco::GenParticleCollection> genParticles;
      iEvent.getByLabel(genTag_, genParticles);
      unsigned int gensize = genParticles->size();

      std::auto_ptr<double> weight (new double);

      // Set as default weight the asymptotic value at high pt (i.e. value of last bin)
      (*weight) = ptWeights_[ptWeights_.size()-1];

      unsigned int nbins = isrBinEdges_.size()-1;
      for(unsigned int i = 0; i<gensize; ++i) {
            const reco::GenParticle& part = (*genParticles)[i];
            int id = part.pdgId();
            if (id!=23 && abs(id)!=24) continue;
            int status = part.status();
            if (status!=3) continue;
            double pt = part.pt();
            if (pt>isrBinEdges_[0] && pt<isrBinEdges_[nbins]) {
                  for (unsigned int j=1; j<=nbins; ++j) {
                        if (pt>isrBinEdges_[j]) continue;
                        (*weight) = ptWeights_[j-1];
                        break;
                  }
            }
            break;
      }

      iEvent.put(weight);
}

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Member Data Documentation

edm::InputTag ISRWeightProducer::genTag_ [private]

Definition at line 30 of file ISRWeightProducer.cc.

Referenced by ISRWeightProducer(), and produce().

std::vector<double> ISRWeightProducer::isrBinEdges_ [private]

Definition at line 31 of file ISRWeightProducer.cc.

Referenced by ISRWeightProducer(), and produce().

std::vector<double> ISRWeightProducer::ptWeights_ [private]

Definition at line 32 of file ISRWeightProducer.cc.

Referenced by ISRWeightProducer(), and produce().