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// -*- C++ -*-
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//
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// Package: FinalPlots
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// Class: FinalPlots
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//
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/**\class FinalPlots FinalPlots.cc RA2/FinalPlots/src/FinalPlots.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: Christian Autermann,68/112,2115,
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// Created: Sun Oct 18 20:00:45 CEST 2009
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// $Id: FinalPlots.cc,v 1.7 2010/01/06 13:42:37 auterman 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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#include <string>
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#include <cmath>
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#include <numeric>
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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/EDAnalyzer.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/Math/interface/LorentzVector.h"
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#include "DataFormats/Math/interface/deltaPhi.h"
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#include "DataFormats/METReco/interface/CaloMET.h"
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#include "DataFormats/METReco/interface/MET.h"
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#include "DataFormats/JetReco/interface/CaloJet.h"
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#include "DataFormats/JetReco/interface/PFJet.h"
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#include "DataFormats/Candidate/interface/Candidate.h"
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#include "FWCore/ServiceRegistry/interface/Service.h"
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#include "PhysicsTools/UtilAlgos/interface/TFileService.h"
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#include "TH1F.h"
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//
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// class decleration
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//
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class FinalPlots : public edm::EDAnalyzer {
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public:
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explicit FinalPlots(const edm::ParameterSet&);
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~FinalPlots();
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private:
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virtual void beginJob(const edm::EventSetup&);
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virtual void analyze(const edm::Event&, const edm::EventSetup&);
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virtual void endJob() ;
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double dPhiBiased(const edm::View<reco::Candidate>*jets,
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const edm::View<reco::Candidate>::const_iterator jet);
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typedef ROOT::Math::LorentzVector<ROOT::Math::PxPyPzE4D<double> > LorentzV;
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std::vector<double> deltaSumPt_permutations(const std::vector<LorentzV>& p4s);
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double alphaT(const std::vector<LorentzV>& p4s);
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// ----------member data ---------------------------
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edm::InputTag weightName_;
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edm::InputTag Jet_;
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edm::InputTag Met_;
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std::string name_;
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double weight_, jetptmin_, jetetamax_;
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TH1F * HT_;
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TH1F * MHT_;
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TH1F * MET_;
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TH1F * Jet1Pt_, *Jet2Pt_, *Jet3Pt_, *Jet4Pt_;
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TH1F * JetMult_;
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TH1F * alphaT_;
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TH1F * dPhiMin_;
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TH1F * dPhiBiased_;
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};
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FinalPlots::FinalPlots(const edm::ParameterSet& iConfig):
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weightName_(iConfig.getParameter<edm::InputTag>("weightName") ),
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Jet_( iConfig.getParameter<edm::InputTag>("Jet") ),
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Met_( iConfig.getParameter<edm::InputTag>("MET") ),
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name_( iConfig.getParameter<std::string>("uncertainty_name") ),
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jetptmin_ ( iConfig.getParameter<double>("JetPtMin") ),
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jetetamax_( iConfig.getParameter<double>("JetEtaMax") )
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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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FinalPlots::beginJob(const edm::EventSetup&)
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{
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edm::Service<TFileService> fs;
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if( !fs ){
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throw edm::Exception( edm::errors::Configuration,
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"TFile Service is not registered in cfg file" );
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}
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std::string histname = "HT"+name_;
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HT_ = fs->make<TH1F>(histname.c_str(),";HT [GeV];events", 200, 0.0, 2000.0);
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HT_->Sumw2();
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histname = "MHT"+name_;
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MHT_ = fs->make<TH1F>(histname.c_str(),";MHT [GeV];events", 200, 0.0, 1000.0);
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MHT_->Sumw2();
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histname = "MET"+name_;
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MET_ = fs->make<TH1F>(histname.c_str(),";MET [GeV];events", 200, 0.0, 1000.0);
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MET_->Sumw2();
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histname = "Jet1Pt"+name_;
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Jet1Pt_ = fs->make<TH1F>(histname.c_str(),";1. Jet Pt [GeV];events", 200, 0.0, 1000.0);
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Jet1Pt_->Sumw2();
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histname = "Jet2Pt"+name_;
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Jet2Pt_ = fs->make<TH1F>(histname.c_str(),";2. Jet Pt [GeV];events", 200, 0.0, 1000.0);
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Jet2Pt_->Sumw2();
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histname = "Jet3Pt"+name_;
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Jet3Pt_ = fs->make<TH1F>(histname.c_str(),";3. Jet Pt [GeV];events", 200, 0.0, 1000.0);
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Jet3Pt_->Sumw2();
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histname = "Jet4Pt"+name_;
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Jet4Pt_ = fs->make<TH1F>(histname.c_str(),";4. Jet Pt [GeV];events", 200, 0.0, 1000.0);
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Jet4Pt_->Sumw2();
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histname = "JetMult"+name_;
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JetMult_ = fs->make<TH1F>(histname.c_str(),";Jet multiplicity;events", 21, -0.5, 20.5);
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JetMult_->Sumw2();
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histname = "alphaT"+name_;
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alphaT_ = fs->make<TH1F>(histname.c_str(),";alphaT;events", 200, 0.0, 2.0);
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alphaT_->Sumw2();
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histname = "dPhiMin"+name_;
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dPhiMin_ = fs->make<TH1F>(histname.c_str(),";#Delta#phi_{min};events", 200, 0.0, 3.2);
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dPhiMin_->Sumw2();
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histname = "dPhiBiased"+name_;
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dPhiBiased_ = fs->make<TH1F>(histname.c_str(),";#Delta#phi_{biased};events", 200, 0.0, 3.2);
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dPhiBiased_->Sumw2();
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}
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FinalPlots::~FinalPlots()
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{
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// do anything here that needs to be done at desctruction time
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// (e.g. close files, deallocate resources etc.)
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}
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//
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// member functions
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//
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// ------------ biased delta phi ----------------------------
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double FinalPlots::dPhiBiased(const edm::View<reco::Candidate> * jets, const edm::View<reco::Candidate>::const_iterator excljet)
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{
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math::PtEtaPhiMLorentzVector htvec(0.0, 0.0, 0.0, 0.0);
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for (edm::View<reco::Candidate>::const_iterator jet=jets->begin();
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jet!=jets->end(); ++jet){
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if ( fabs(jet->eta())>jetetamax_ ) continue;
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if ( jet->pt()<jetptmin_ ) continue;
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if ( jet==excljet ) continue;
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htvec+=jet->p4();
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}
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return deltaPhi(htvec, *excljet);
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}
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std::vector<double> FinalPlots::deltaSumPt_permutations(const std::vector<LorentzV>& p4s)
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{
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std::vector<std::vector<double> > ht( 1<<(p4s.size()-1) , std::vector<double>( 2, 0.) );
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for(unsigned i=0; i < ht.size(); i++) {
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for(unsigned j=0; j < p4s.size(); j++) {
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ht [i] [(i/(1<<j))%2] += p4s[j].pt();
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}
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}
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std::vector<double> deltaHT; for(unsigned i=0; i<ht.size(); i++) deltaHT.push_back(fabs(ht[i][0]-ht[i][1]));
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return deltaHT;
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}
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double FinalPlots::alphaT(const std::vector<LorentzV>& p4s)
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{
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if(p4s.size()<2) return 0;
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std::vector<double> pTs;
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for(unsigned i=0; i<p4s.size(); i++) pTs.push_back(p4s[i].pt());
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for(unsigned i=0; i<p4s.size(); i++) pTs.push_back(p4s[i].pt());
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const std::vector<double> DHTper( deltaSumPt_permutations(p4s) );
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const double mDHT = *(std::min_element( DHTper.begin(), DHTper.end() ));
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const double sumPT = accumulate( pTs.begin(), pTs.end(), double(0) );
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const LorentzV sumP4 = accumulate( p4s.begin(), p4s.end(), LorentzV() );
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return 0.5 * ( sumPT - mDHT ) / sqrt( sumPT*sumPT - sumP4.perp2() );
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}
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// ------------ method called to for each event ------------
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void
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FinalPlots::analyze(const 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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edm::Handle< double > event_weight;
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iEvent.getByLabel(weightName_, event_weight);
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weight_ = (event_weight.isValid() ? (*event_weight) : 1.0);
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edm::Handle<edm::View<reco::Candidate> > jet_hnd;
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iEvent.getByLabel(Jet_, jet_hnd);
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edm::Handle<edm::View<reco::MET> > met_hnd;
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iEvent.getByLabel(Met_, met_hnd);
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MET_->Fill( met_hnd->front().et(), weight_ );
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double ht=0.0, dphimin=999., dphibiased=999.;
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int jetmult = 0;
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math::PtEtaPhiMLorentzVector htvec(0.0, 0.0, 0.0, 0.0);
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std::vector <LorentzV> forAlphaT;
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for (edm::View<reco::Candidate>::const_iterator jet=jet_hnd->begin();
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jet!=jet_hnd->end(); ++jet){
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if ( fabs(jet->eta())>jetetamax_ ) continue;
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if ( jet->pt()<jetptmin_ ) continue;
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forAlphaT.push_back(jet->p4());
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htvec+=jet->p4();
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ht+=jet->pt();
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if (jetmult==0) Jet1Pt_->Fill( jet->pt(), weight_ );
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else if (jetmult==1) Jet2Pt_->Fill( jet->pt(), weight_ );
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else if (jetmult==2) Jet3Pt_->Fill( jet->pt(), weight_ );
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else if (jetmult==3) Jet4Pt_->Fill( jet->pt(), weight_ );
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++jetmult;
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if ( deltaPhi(*jet, met_hnd->front()) < dphimin )
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dphimin = deltaPhi(*jet, met_hnd->front());
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double thisdphi = dPhiBiased(&(*jet_hnd), jet);
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if (thisdphi < dphibiased)
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dphibiased = thisdphi;
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}
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HT_ ->Fill( ht, weight_ );
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MHT_->Fill( htvec.pt(), weight_ );
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JetMult_->Fill( jetmult, weight_ );
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alphaT_->Fill( alphaT(forAlphaT), weight_ );
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dPhiMin_->Fill( dphimin, weight_ );
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dPhiBiased_->Fill( dphibiased, weight_ );
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//other variables
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//MPT...
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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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FinalPlots::endJob() {
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}
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//define this as a plug-in
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DEFINE_FWK_MODULE(FinalPlots);
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