PixelClusterSiHitDecoratorAlg.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ACTSOBJECTDECORATION_PIXELCLUSTER_SIHIT_DECORATORALG_H
#define ACTSOBJECTDECORATION_PIXELCLUSTER_SIHIT_DECORATORALG_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/WriteDecorHandleKey.h"
#include "xAODTracking/TrackMeasurementValidationContainer.h"
#include "InDetSimData/InDetSimDataCollection.h"
#include "InDetReadoutGeometry/SiDetectorElementCollection.h"
#include "InDetReadoutGeometry/SiDetectorElement.h"
#include "InDetSimEvent/SiHitCollection.h"
#include "InDetIdentifier/PixelID.h"
 
namespace ActsTrk {
  
  class PixelClusterSiHitDecoratorAlg
    : public AthReentrantAlgorithm {
  public:
    PixelClusterSiHitDecoratorAlg(const std::string &name,ISvcLocator *pSvcLocator);
    virtual ~PixelClusterSiHitDecoratorAlg() = default;
    
    virtual StatusCode initialize() override;
    virtual StatusCode execute(const EventContext& ctx) const override;
 
  private:
    std::vector<SiHit>
    findAllHitsCompatibleWithCluster( const std::vector< Identifier >& rdos,
                      const InDetDD::SiDetectorElement&   element,
                      const std::vector<const SiHit*>& sihits,
                      const std::vector< std::vector< int > >& sdoTracks) const;
    
  private:
    SG::ReadHandleKey< xAOD::TrackMeasurementValidationContainer > m_inputMeasurementsKey {this, "Measurements", ""};
    SG::ReadHandleKey< InDetSimDataCollection > m_SDOcontainer_key {this, "SDOs", ""};
    SG::ReadHandleKey< SiHitCollection > m_siHitsKey {this, "SiHits", ""};
    SG::ReadCondHandleKey<InDetDD::SiDetectorElementCollection> m_pixelDetEleCollKey {this, "PixelDetEleCollKey", "ITkPixelDetectorElementCollection"};
 
    // detector decorator
    SG::ReadDecorHandleKey<xAOD::TrackMeasurementValidationContainer> m_measurement_detectorElementID {this, "MeasurementDetectorElementID", m_inputMeasurementsKey, "detectorElementID"};
    
    // SDO decorations
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sdo_words {this, "SdoWords", m_inputMeasurementsKey, "sdo_words"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sdo_depositsBarcode {this, "SdoDepositsBarcode", m_inputMeasurementsKey, "sdo_depositsBarcode"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sdo_depositsEnergy {this, "SdoDepositsEnergy", m_inputMeasurementsKey, "sdo_depositsEnergy"};
 
    // SiHit decorations
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_energyDeposit_decor_key {this, "SiHitEnergyDeposit", m_inputMeasurementsKey, "sihit_energyDeposit"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_meanTime_decor_key {this, "SiHitMeanTime", m_inputMeasurementsKey, "sihit_meanTime"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_barcode_decor_key {this, "SiHitBarcode", m_inputMeasurementsKey, "sihit_barcode"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_pdgid_decor_key {this, "SiHitPdgId", m_inputMeasurementsKey, "sihit_pdgid"};
 
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_startPosX_decor_key {this, "SiHitStartPosX", m_inputMeasurementsKey, "sihit_startPosX"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_startPosY_decor_key {this, "SiHitStartPosY", m_inputMeasurementsKey, "sihit_startPosY"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_startPosZ_decor_key {this, "SiHitStartPosZ", m_inputMeasurementsKey, "sihit_startPosZ"};
    
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_endPosX_decor_key {this, "SiHitStopPosX", m_inputMeasurementsKey, "sihit_endPosX"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_endPosY_decor_key {this, "SiHitStopPosY", m_inputMeasurementsKey, "sihit_endPosY"};
    SG::WriteDecorHandleKey< xAOD::TrackMeasurementValidationContainer > m_sihit_endPosZ_decor_key {this, "SiHitStopPosZ", m_inputMeasurementsKey, "sihit_endPosZ"};
 
    Gaudi::Property<bool> m_useSiHitsGeometryMatching {this, "UseSiHitsGeometryMatching", true};
 
    const PixelID *m_PixelHelper {nullptr};
  };
  
}
 
#endif