L1AnalysisSimulation.cc

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#include "L1Trigger/L1TNtuples/interface/L1AnalysisSimulation.h"

#include "SimDataFormats/PileupSummaryInfo/interface/PileupSummaryInfo.h"

L1Analysis::L1AnalysisSimulation::L1AnalysisSimulation() {}

L1Analysis::L1AnalysisSimulation::~L1AnalysisSimulation() {}

void L1Analysis::L1AnalysisSimulation::Set(const edm::Event& e) {
  if (!(e.eventAuxiliary().isRealData())) {
    // Grab the pileup information for this event
    edm::Handle<std::vector<PileupSummaryInfo> > puInfo;
    e.getByLabel(edm::InputTag("addPileupInfo"), puInfo);

    if (puInfo.isValid()) {
      std::vector<PileupSummaryInfo>::const_iterator pvi;

      for (pvi = puInfo->begin(); pvi != puInfo->end(); ++pvi) {
        int bx = pvi->getBunchCrossing();

        if (bx == 0) {
          sim_.meanInt = pvi->getTrueNumInteractions();
          sim_.actualInt = pvi->getPU_NumInteractions();
          continue;
        }
      }
    }
  } else {
    sim_.meanInt = -1.;
    sim_.actualInt = -1;
  }
}