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antoniov |
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#include "FWCore/Framework/interface/EDAnalyzer.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "FWCore/ServiceRegistry/interface/Service.h"
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class TFileService;
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class TH1F;
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class NCountsAnalyzer: public edm::EDAnalyzer
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{
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public:
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typedef std::map<std::string,TH1F*> HistoMapTH1F;
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explicit NCountsAnalyzer(edm::ParameterSet const&);
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~NCountsAnalyzer();
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void beginJob();
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void analyze(edm::Event const&, edm::EventSetup const&);
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private:
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void bookHistos(HistoMapTH1F&, edm::Service<TFileService> const&);
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bool useWeight_;
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edm::InputTag weightTag_;
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HistoMapTH1F histosTH1F_;
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};
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/EDAnalyzer.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 "FWCore/MessageLogger/interface/MessageLogger.h"
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#include "FWCore/ServiceRegistry/interface/Service.h"
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#include "CommonTools/UtilAlgos/interface/TFileService.h"
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#include "TH1F.h"
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NCountsAnalyzer::NCountsAnalyzer(edm::ParameterSet const& pset): useWeight_(false){
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std::string parName = "weightTag";
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if( pset.exists(parName) ){
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useWeight_ = true;
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weightTag_ = pset.getParameter<edm::InputTag>("weightTag");
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}
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}
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NCountsAnalyzer::~NCountsAnalyzer(){}
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void NCountsAnalyzer::beginJob(){
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edm::Service<TFileService> fs;
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TH1::SetDefaultSumw2(true);
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bookHistos(histosTH1F_,fs);
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}
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void NCountsAnalyzer::analyze(const edm::Event& event, const edm::EventSetup& setup){
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histosTH1F_["NCounts"]->Fill(0.);
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if(useWeight_){
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edm::Handle<double> weightH;
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event.getByLabel(weightTag_,weightH);
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double weight = *weightH;
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histosTH1F_["SumWeights"]->Fill(0.,weight);
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}
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}
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void NCountsAnalyzer::bookHistos(HistoMapTH1F& histos, edm::Service<TFileService> const& fs){
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histos["NCounts"] = fs->make<TH1F>("NCounts","NCounts",1,0,1);
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histos["SumWeights"] = fs->make<TH1F>("SumWeights","SumWeights",1,0,1);
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}
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DEFINE_FWK_MODULE(NCountsAnalyzer);
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