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// -*- C++ -*-
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//
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// Package: HadronicVariableComputer
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// Class: HadronicVariableComputer
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//
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/**\class HadronicVariableComputer HadronicVariableComputer.cc Gio/HadronicVariableComputer/src/HadronicVariableComputer.cc
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Description: <one line class summary>
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Implementation:
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<Notes on implementation>
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*/
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//
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// Original Author: Jun 20 11:36 (85-18-136-104.fastres.net)
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// Created: Fri Jun 20 11:41:35 CEST 2008
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// $Id: HadronicVariableComputer.cc,v 1.1 2009/09/05 17:14:35 gpetrucc Exp $
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//
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//
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// system include files
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#include <memory>
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// user include files
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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#include "FWCore/Framework/interface/EDProducer.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/MakerMacros.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "DataFormats/HepMCCandidate/interface/GenParticleFwd.h"
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#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
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#include "DataFormats/Common/interface/View.h"
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#include "DataFormats/Common/interface/ValueMap.h"
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#include "DataFormats/Math/interface/deltaR.h"
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#include "DataFormats/MuonReco/interface/MuonFwd.h"
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#include "DataFormats/MuonReco/interface/Muon.h"
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//#include "DataFormats/JetReco/interface/Jet.h"
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#include "DataFormats/PatCandidates/interface/Jet.h"
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#include "CommonTools/Utils/interface/StringCutObjectSelector.h"
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//
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// class decleration
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//
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class HadronicVariableComputer : public edm::EDProducer {
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public:
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explicit HadronicVariableComputer(const edm::ParameterSet&);
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~HadronicVariableComputer();
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private:
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virtual void beginJob(const edm::EventSetup&) ;
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virtual void produce(edm::Event&, const edm::EventSetup&);
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virtual void endJob() ;
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// ----------member data ---------------------------
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edm::InputTag muons_;
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edm::InputTag jets_;
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StringCutObjectSelector<pat::Jet> cut_;
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double deltaR_;
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const pat::Jet *findNear(const reco::Candidate &muon, const edm::View<pat::Jet> &jets, bool nearest) const ;
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std::pair<float,int> findInPhi(const edm::View<pat::Jet> &jets, double phi, double phiRange) const ;
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/// Write a ValueMap<int> in the event
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template<typename T>
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void writeValueMap(edm::Event &iEvent,
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const edm::Handle<edm::View<reco::Candidate> > & handle,
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const std::vector<T> & values,
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const std::string & label) const ;
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};
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//
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// constructors and destructor
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//
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HadronicVariableComputer::HadronicVariableComputer(const edm::ParameterSet& iConfig) :
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muons_(iConfig.getParameter<edm::InputTag>("muons")),
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jets_(iConfig.getParameter<edm::InputTag>("jets")),
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cut_(iConfig.getParameter<std::string>("cut")),
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deltaR_(iConfig.getParameter<double>("deltaR"))
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{
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produces<edm::ValueMap<float> >("ptrelNearest");
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produces<edm::ValueMap<float> >("ptrelHardest");
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produces<edm::ValueMap<float> >("ptjetNearest");
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produces<edm::ValueMap<float> >("ptjetHardest");
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produces<edm::ValueMap<float> >("drNearest");
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produces<edm::ValueMap<float> >("drHardest");
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produces<edm::ValueMap<float> >("hardestSame");
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produces<edm::ValueMap<float> >("hardestOppo");
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produces<edm::ValueMap<int> >("countSame");
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produces<edm::ValueMap<int> >("countOppo");
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produces<edm::ValueMap<float> >("btagTCPNearest");
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produces<edm::ValueMap<float> >("btagTCENearest");
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produces<edm::ValueMap<float> >("btagJPNearest");
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produces<edm::ValueMap<float> >("btagJPBNearest");
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produces<edm::ValueMap<float> >("btagSSVNearest");
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produces<edm::ValueMap<int> >("mcFlavNearest");
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}
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HadronicVariableComputer::~HadronicVariableComputer()
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{
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}
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//
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// member functions
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//
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const pat::Jet *
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HadronicVariableComputer::findNear(const reco::Candidate &muon, const edm::View<pat::Jet> &jets, bool nearest) const {
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const pat::Jet *match = 0;
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double val = (nearest ? deltaR_ : nearest);
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for (edm::View<pat::Jet>::const_iterator jet = jets.begin(), end = jets.end(); jet != end; ++jet) {
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if (!cut_(*jet)) continue;
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double dr = ::deltaR(muon, *jet);
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if (dr > deltaR_) continue;
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if (nearest) {
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if (dr < val) { match = &*jet; val = dr; }
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} else {
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if (jet->pt() > val) { match = &*jet; val = jet->pt(); }
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}
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}
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return match;
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}
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std::pair<float,int>
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HadronicVariableComputer::findInPhi(const edm::View<pat::Jet> &jets, double phi, double phiRange) const {
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std::pair<float,int> ret(0,0);
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for (edm::View<pat::Jet>::const_iterator jet = jets.begin(), end = jets.end(); jet != end; ++jet) {
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if (!cut_(*jet)) continue;
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if (std::abs(deltaPhi(phi, jet->phi())) > phiRange) continue;
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if (jet->pt() > ret.first) ret.first = jet->pt();
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ret.second++;
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}
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return ret;
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}
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// ------------ method called to for each event ------------
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void
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HadronicVariableComputer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
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{
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using namespace edm;
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using namespace std;
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Handle<View<reco::Candidate> > muons;
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iEvent.getByLabel(muons_, muons);
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Handle<View<pat::Jet> > jets;
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iEvent.getByLabel(jets_, jets);
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const char *rankings[2] = { "Hardest", "Nearest" };
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for (int nearest = 0; nearest <= 1; ++nearest) {
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vector<float> ptjet(muons->size(), 0);
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vector<float> ptrel(muons->size(), 0);
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vector<float> dr(muons->size(), 0);
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vector<float> btagTCP(muons->size(), -999);
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vector<float> btagTCE(muons->size(), -999);
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vector<float> btagJP(muons->size(), -999);
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vector<float> btagJPB(muons->size(), -999);
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vector<float> btagSSV(muons->size(), -999);
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vector<int> mcFlav(muons->size(), -1);
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for (size_t i = 0; i < muons->size(); ++i) {
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const reco::Candidate &mu = (*muons)[i];
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const pat::Jet *jet = findNear(mu, *jets, nearest);
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if (jet != 0) {
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dr[i] = ::deltaR(mu,*jet);
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ptjet[i] = jet->pt();
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ptrel[i] = mu.momentum().Cross(jet->momentum().Unit()).R();
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btagTCP[i] = jet->bDiscriminator("trackCountingHighPurBJetTags");
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btagTCE[i] = jet->bDiscriminator("trackCountingHighEffBJetTags");
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btagJP[i] = jet->bDiscriminator("jetProbabilityBJetTags");
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btagJPB[i] = jet->bDiscriminator("jetBProbabilityBJetTags");
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btagSSV[i] = jet->bDiscriminator("simpleSecondaryVertexBJetTags");
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mcFlav[i] = jet->partonFlavour();
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}
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}
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writeValueMap<float>(iEvent, muons, dr, std::string("dr")+rankings[nearest]);
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writeValueMap<float>(iEvent, muons, ptjet, std::string("ptjet")+rankings[nearest]);
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writeValueMap<float>(iEvent, muons, ptrel, std::string("ptrel")+rankings[nearest]);
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if (nearest) {
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writeValueMap<float>(iEvent, muons, btagTCP, std::string("btagTCP")+rankings[nearest]);
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writeValueMap<float>(iEvent, muons, btagTCE, std::string("btagTCE")+rankings[nearest]);
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writeValueMap<float>(iEvent, muons, btagJP, std::string("btagJP")+rankings[nearest]);
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writeValueMap<float>(iEvent, muons, btagJPB, std::string("btagJPB")+rankings[nearest]);
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writeValueMap<float>(iEvent, muons, btagSSV, std::string("btagSSV")+rankings[nearest]);
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writeValueMap<int>(iEvent, muons, mcFlav, std::string("mcFlav")+rankings[nearest]);
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}
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}
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const char *sides[2] = { "Same", "Oppo" };
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for (int side = 0; side <= 1; ++side) {
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vector<float> pt(muons->size(), 0);
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vector<int> count(muons->size(), 0);
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for (size_t i = 0; i < muons->size(); ++i) {
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const reco::Candidate &mu = (*muons)[i];
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pair<float,int> result = findInPhi(*jets, mu.phi()+side*M_PI, 0.5*M_PI);
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pt[i] = result.first;
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count[i] = result.second;
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}
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writeValueMap<float>(iEvent, muons, pt, std::string("hardest")+sides[side]);
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writeValueMap<int>(iEvent, muons, count, std::string("count")+sides[side]);
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}
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}
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// ------------ method called once each job just before starting event loop ------------
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void
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HadronicVariableComputer::beginJob(const edm::EventSetup&)
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{
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}
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// ------------ method called once each job just after ending the event loop ------------
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void
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HadronicVariableComputer::endJob() {
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}
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template<typename T>
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void
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HadronicVariableComputer::writeValueMap(edm::Event &iEvent,
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const edm::Handle<edm::View<reco::Candidate> > & handle,
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const std::vector<T> & values,
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const std::string & label) const
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{
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using namespace edm;
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using namespace std;
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auto_ptr<ValueMap<T> > valMap(new ValueMap<T>());
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typename edm::ValueMap<T>::Filler filler(*valMap);
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filler.insert(handle, values.begin(), values.end());
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filler.fill();
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iEvent.put(valMap, label);
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}
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//define this as a plug-in
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DEFINE_FWK_MODULE(HadronicVariableComputer);
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