EgammaTruthxAODHelpers.h File Reference

#include "xAODEgamma/EgammaFwd.h"
#include "xAODEgamma/ElectronFwd.h"
#include "xAODEgamma/PhotonFwd.h"
#include "xAODTracking/TrackParticleFwd.h"
#include "xAODTruth/TruthParticleContainer.h"
#include "xAODTruth/TruthParticle.h"
#include <cstddef>
#include <set>

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Namespaces
namespace	xAOD
	ICaloAffectedTool is abstract interface for tools checking if 4 mom is in calo affected region.
namespace	xAOD::EgammaHelpers

Functions
const xAOD::Electron *	xAOD::EgammaHelpers::getRecoElectron (const xAOD::TruthParticle *)
	return the reco electron associated to the given TruthParticle (if any)
const xAOD::Photon *	xAOD::EgammaHelpers::getRecoPhoton (const xAOD::TruthParticle *particle)
	return the reco photon associated to the given TruthParticle (if any)
bool	xAOD::EgammaHelpers::isTrueConvertedPhoton (const xAOD::Photon *ph, float maxRadius=800.)
	is the object matched to a true converted photon with R < maxRadius
bool	xAOD::EgammaHelpers::isTrueConvertedPhoton (const xAOD::TruthParticle *truePh, float maxRadius=800.)
	is the true object a converted photon with R < maxRadius
std::vector< const xAOD::TruthParticle * >	xAOD::EgammaHelpers::getBkgElectronLineage (const xAOD::TruthParticle *truthel, const bool allTheWayBack=true)
	Helper function for getting the truth lineage of an electron that is arising from material interactions in simulation (so called Bkg Electron) There are cases when an electron has a photon (or electron) mother, that in turn comes from another electron of photon.
const xAOD::TruthParticle *	xAOD::EgammaHelpers::getBkgElectronMother (const xAOD::Electron *el, const bool allTheWayBack=true)
	Helper wrapper function for calling the function above extracting the truth from a reco electron.
const xAOD::TruthParticle *	xAOD::EgammaHelpers::getBkgElectronMother (const xAOD::TruthParticle *truthel, const bool allTheWayBack=true)
	Helper function for getting the "Mother" electron for an existing electron.
std::vector< const xAOD::TruthParticle * >	xAOD::EgammaHelpers::getBkgElectronLineage (const xAOD::Electron *el, const bool allTheWayBack=true)
	Helper wrapper function for calling the function below that accepts truth input.