CMSSW Reference Manual

00001 #include <memory>
00002 #include <string>
00003 #include <vector>
00004 #include <map>
00005 
00006 #include "FWCore/Framework/interface/Event.h"
00007 #include "FWCore/Framework/interface/EDProducer.h"
00008 #include "FWCore/Framework/interface/Frameworkfwd.h"
00009 
00010 #include "FWCore/ParameterSet/interface/InputTag.h"
00011 #include "FWCore/ParameterSet/interface/ParameterSet.h"
00012 #include "DataFormats/HepMCCandidate/interface/GenParticle.h"
00013 
00014 
00015 class TopDecaySubset : public edm::EDProducer {
00016 
00017  public:
00018 
00021   enum  FillMode {kStable, kME};
00022 
00024   explicit TopDecaySubset(const edm::ParameterSet&);
00026   ~TopDecaySubset();
00027 
00029   virtual void produce(edm::Event&, const edm::EventSetup&);
00030 
00031  private:
00032 
00035    void fillOutput(edm::Event& evt, const reco::GenParticleCollection& src, FillMode mode);
00038   bool wInDecayChain(const reco::GenParticleCollection& src, const int& partId);
00041   void fromFullListing(const reco::GenParticleCollection& src, reco::GenParticleCollection& target, const int& partId, FillMode mode);
00044   void fromTruncListing(const reco::GenParticleCollection& src, reco::GenParticleCollection& target, const int& partId, FillMode mode);
00046   void clearReferences();
00048   void fillReferences(const reco::GenParticleRefProd& refProd, reco::GenParticleCollection& target);
00051     reco::Particle::LorentzVector p4(const std::vector<reco::GenParticle>::const_iterator top, int statusFlag);
00053   reco::Particle::LorentzVector p4(const reco::GenParticle::const_iterator part, int statusFlag);
00056   void addDaughters(int& idx, const reco::GenParticle::const_iterator part, reco::GenParticleCollection& target, bool recursive=true);
00059   void addRadiation(int& idx, const reco::GenParticle::const_iterator part, reco::GenParticleCollection& target);
00062   void printTarget(reco::GenParticleCollection& target);
00065   void printSource(const reco::GenParticleCollection& src);
00066 
00067  private:
00068 
00072   int motherPartIdx_;                    
00074   std::map<int,std::vector<int> > refs_; 
00076   bool addRadiatedGluons_;
00078   edm::InputTag src_;                    
00079 
00080 };
TopDecaySubset.h
