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#include "TrkUpgradeAnalysis/VHbb/interface/ElectronInfoPlotSet.h"
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#include <stdexcept>
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#include <TDirectory.h>
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#include <TH1F.h>
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trkupgradeanalysis::ElectronInfoPlotSet::ElectronInfoPlotSet()
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: histogramHaveBeenBooked_(false)
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{
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// No operation besides the initialiser list.
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}
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void trkupgradeanalysis::ElectronInfoPlotSet::book( TDirectory* pDirectory )
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{
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if( histogramHaveBeenBooked_ ) throw std::runtime_error( "trkupgradeanalysis::ElectronInfoPlotSet::book() - histograms have already been booked" );
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//
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// Note that the root file which TDirectory is part of takes ownership of all
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// of these objects, so I don't need to (and shouldn't) delete them when I'm
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// finished.
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//
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pEta_=new TH1F( "eta", "Eta", 60, -3, 3 );
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pEta_->SetDirectory(pDirectory);
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pPt_=new TH1F( "pT", "pT", 60, 0, 250 );
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pPt_->SetDirectory(pDirectory);
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histogramHaveBeenBooked_=true;
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}
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void trkupgradeanalysis::ElectronInfoPlotSet::fill( const VHbbEvent::ElectronInfo& electron )
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{
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if( !histogramHaveBeenBooked_ ) throw std::runtime_error( "trkupgradeanalysis::ElectronInfoPlotSet::book() - histograms have not been booked" );
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pEta_->Fill( electron.p4.Eta() );
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pPt_->Fill( electron.p4.Pt() );
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}
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