AssociatorTools.h

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#if !defined(SimCalorimetry_HGCalAssociatorProducers_interface_AssociatorTools_h)
#define SimCalorimetry_HGCalAssociatorProducers_interface_AssociatorTools_h
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "SimDataFormats/CaloAnalysis/interface/CaloParticle.h"
#include <vector>

static void removeCPFromPU(const std::vector<CaloParticle>& caloParticles,
                           std::vector<size_t>& cPIndices,
                           bool hardScatterOnly = true) {
  //Consider CaloParticles coming from the hard scatterer
  //excluding the PU contribution and save the indices.
  for (unsigned int cpId = 0; cpId < caloParticles.size(); ++cpId) {
    if (hardScatterOnly && (caloParticles[cpId].g4Tracks()[0].eventId().event() != 0 or
                            caloParticles[cpId].g4Tracks()[0].eventId().bunchCrossing() != 0)) {
      LogDebug("HGCalValidator") << "Excluding CaloParticles from event: "
                                 << caloParticles[cpId].g4Tracks()[0].eventId().event()
                                 << " with BX: " << caloParticles[cpId].g4Tracks()[0].eventId().bunchCrossing()
                                 << std::endl;
      continue;
    }
    cPIndices.emplace_back(cpId);
  }
}

#endif