GlobalHaloData.cc

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#include "DataFormats/METReco/interface/GlobalHaloData.h"
#include "DataFormats/Math/interface/Point3D.h"
#include "DataFormats/Math/interface/LorentzVector.h"

/*
  [class]:  GlobalHaloData
  [authors]: R. Remington, The University of Florida
  [description]: See GlobalHaloData.h
  [date]: October 15, 2009
*/

using namespace reco;

GlobalHaloData::GlobalHaloData() {
  METOverSumEt_ = 0.;
  dMEx_ = 0.;
  dMEy_ = 0.;
  dSumEt_ = 0.;
}

reco::CaloMET GlobalHaloData::GetCorrectedCaloMET(const reco::CaloMET& RawMET) const {
  double mex = RawMET.px() + dMEx_;
  double mey = RawMET.py() + dMEy_;
  double mez = RawMET.pz();
  double sumet = RawMET.sumEt() + dSumEt_;
  const math::XYZTLorentzVector p4(mex, mey, mez, std::sqrt(mex * mex + mey * mey + mez * mez));
  const math::XYZPoint vtx(0., 0., 0.);

  reco::CaloMET CorrectedMET(RawMET.getSpecific(), sumet, p4, vtx);
  return CorrectedMET;
}