GenericParticleOrderingTool.cxx

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
// class header include
#include "GenericParticleOrderingTool.h"
 
// ISF includes
#include "ISF_Event/ISFParticle.h"
 
ISF::GenericParticleOrderingTool::GenericParticleOrderingTool(const std::string& t, const std::string& n, const IInterface* p) :
  base_class(t,n,p),
  m_geoIDorder()
{
  declareProperty( "OrderID",
                   m_geoIDorder[AtlasDetDescr::fAtlasID]=1,
                   "Order for Inner Detector particles");
  declareProperty( "OrderBeamPipe",
                   m_geoIDorder[AtlasDetDescr::fAtlasForward]=1,
                   "Order for Beam Pipe / Forward particles");
  declareProperty( "OrderCalo",
                   m_geoIDorder[AtlasDetDescr::fAtlasCalo]=1,
                   "Order for Calorimeter particles");
  declareProperty( "OrderMS",
                   m_geoIDorder[AtlasDetDescr::fAtlasMS]=1,
                   "Order for Muon Spectrometer particles");
  declareProperty( "OrderCavern",
                   m_geoIDorder[AtlasDetDescr::fAtlasCavern]=1,
                   "Order for Cavern particles");
}
 
 
ISF::ParticleOrder ISF::GenericParticleOrderingTool::computeOrder(const ISFParticle &p) const {
  // return order set for the current particle geoID
  AtlasDetDescr::AtlasRegion geoID = p.nextGeoID();
  ISF::SimSvcID simID = p.nextSimID();
 
  // NB: fUndefinedSimID(==0) will get order 0
  return m_geoIDorder[geoID]*simID;
}