TrackOverlayRoISiRDOMergerAlg.h

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/*
 *   Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
 *   */
 
#ifndef TRACKOVERLAYREC_TRACKOVERLAYROISIRDOMERGERALG_H
#define TRACKOVERLAYREC_TRACKOVERLAYROISIRDOMERGERALG_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "GaudiKernel/ToolHandle.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteHandleKey.h"
 
#include "IRegionSelector/IRegSelTool.h"
#include "InDetRawData/PixelRDO_Container.h"
#include "InDetRawData/SCT_RDO_Container.h"
#include "xAODCaloEvent/CaloClusterContainer.h"
 
#include <atomic>
 
class PixelID;
class SCT_ID;
 
namespace TrackOverlay {

class TrackOverlayRoISiRDOMergerAlg : public AthReentrantAlgorithm
{
public:
  using AthReentrantAlgorithm::AthReentrantAlgorithm;
 
  virtual StatusCode initialize() override;
  virtual StatusCode execute(const EventContext& ctx) const override;
  virtual StatusCode finalize() override;
 
private:
  SG::ReadHandleKey<xAOD::CaloClusterContainer> m_clusterKey{this, "CaloClusterKey", "egammaTopoClusters", "EM calo clusters seeding the RoIs"};
 
  SG::ReadHandleKey<PixelRDO_Container> m_sigPixelKey{this, "SignalPixelRDOKey", "Sig_PixelRDOs", "Signal-only Pixel RDOs"};
  SG::ReadHandleKey<PixelRDO_Container> m_fullPixelKey{this, "MergedPixelRDOKey", "PixelRDOs", "Signal + pileup Pixel RDOs"};
  SG::WriteHandleKey<PixelRDO_Container> m_outPixelKey{this, "OutputPixelRDOKey", "RoI_PixelRDOs", "Output Pixel RDOs"};
 
  SG::ReadHandleKey<SCT_RDO_Container> m_sigSCTKey{this, "SignalSCT_RDOKey", "Sig_SCT_RDOs", "Signal-only SCT RDOs"};
  SG::ReadHandleKey<SCT_RDO_Container> m_fullSCTKey{this, "MergedSCT_RDOKey", "SCT_RDOs", "Signal + pileup SCT RDOs"};
  SG::WriteHandleKey<SCT_RDO_Container> m_outSCTKey{this, "OutputSCT_RDOKey", "RoI_SCT_RDOs", "Output SCT RDOs"};
 
  ToolHandle<IRegSelTool> m_regSelPixel{this, "RegSelTool_Pixel", "", "Region selector for Pixel"};
  ToolHandle<IRegSelTool> m_regSelSCT{this, "RegSelTool_SCT", "", "Region selector for SCT"};
 
  Gaudi::Property<float> m_minClusterEt{this, "MinClusterEt", 10000., "Minimum cluster ET [MeV] to open an RoI"};
  Gaudi::Property<float> m_etaHalfWidth{this, "EtaHalfWidth", 0.15, "RoI half width in eta"};
  Gaudi::Property<float> m_phiHalfWidth{this, "PhiHalfWidth", 0.3, "RoI half width in phi"};
  Gaudi::Property<float> m_zHalfWidth{this, "ZHalfWidth", 225., "RoI half width in z along the beam line [mm]"};
 
  const PixelID* m_pixelID{nullptr};
  const SCT_ID* m_sctID{nullptr};
 
  mutable std::atomic<unsigned long> m_nEvents{0};
  mutable std::atomic<unsigned long> m_nRoIs{0};
  mutable std::atomic<unsigned long> m_nPixelRoIModules{0};
  mutable std::atomic<unsigned long> m_nSCTRoIModules{0};
};
 
} // namespace TrackOverlay
 
#endif