TruthSvc.cxx File Reference

#include "TruthSvc.h"
#include "ISF_Event/ITruthIncident.h"
#include "GaudiKernel/ISvcLocator.h"
#include "StoreGate/StoreGateSvc.h"
#include "GaudiKernel/SystemOfUnits.h"
#include "AtlasHepMC/SimpleVector.h"
#include "AtlasHepMC/GenParticle.h"
#include "AtlasHepMC/GenEvent.h"
#include "AtlasHepMC/GenVertex.h"
#include "AtlasHepMC/Relatives.h"
#include "TruthUtils/MagicNumbers.h"
#include "TruthUtils/HepMCHelpers.h"
#include "CLHEP/Geometry/Point3D.h"
#include "AtlasDetDescr/AtlasRegionHelper.h"
#include <sstream>

Go to the source code of this file.

Functions
std::vector< HepMC::GenParticlePtr >	findChildren (const HepMC::GenParticlePtr &p)

Function Documentation

findChildren()

std::vector<HepMC::GenParticlePtr> findChildren

(

const HepMC::GenParticlePtr &

p

)

Definition at line 32 of file TruthSvc.cxx.

                                                                          {
  if (!p) return std::vector<HepMC::GenParticlePtr>();
  const auto& v = p->end_vertex();
  if (!v) return std::vector<HepMC::GenParticlePtr>();
#ifdef HEPMC3
  std::vector<HepMC::GenParticlePtr> ret = v->particles_out();
#else
  std::vector<HepMC::GenParticlePtr> ret;
  for (auto pp=v->particles_out_const_begin();pp!=v->particles_out_const_end();++pp) ret.push_back(*pp);
#endif
  if (ret.size()==1) if (ret.at(0)->pdg_id()==p->pdg_id()) ret = findChildren(ret.at(0));
  return ret;
}