PixelNNMonitorAlg.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/

 
#ifndef PIXELNNMONITORING_PIXELNNMONITORALG_H
#define PIXELNNMONITORING_PIXELNNMONITORALG_H
 
#include "AthenaMonitoring/AthMonitorAlgorithm.h"
 
#include "InDetPrepRawData/PixelClusterContainer.h"
#include "SiClusterizationTool/NnClusterizationFactory.h"
#include "BeamSpotConditionsData/BeamSpotData.h"
#include "TrkTrack/TrackCollection.h"
#include "TrkEventUtils/ClusterSplitProbabilityContainer.h"
#include "InDetSimEvent/SiHitCollection.h"
#include "GeoPrimitives/GeoPrimitives.h"
 
#include "StoreGate/ReadHandleKey.h"
#include "StoreGate/ReadCondHandleKey.h"
#include "InDetCondTools/ISiLorentzAngleTool.h"
 
#include <vector>
 
class PixelID;
namespace InDetDD { class SiDetectorElement; }
 
namespace InDet {

class PixelNNMonitorAlg : public AthMonitorAlgorithm {
public:
  PixelNNMonitorAlg(const std::string& name, ISvcLocator* pSvcLocator);
  virtual ~PixelNNMonitorAlg() = default;
 
  virtual StatusCode initialize() override;
  virtual StatusCode fillHistograms(const EventContext& ctx) const override;
 
private:
  std::vector<Amg::Vector2D> truthPositions(
      const InDet::PixelCluster& cluster,
      const InDetDD::SiDetectorElement& element,
      const std::vector<std::vector<const SiHit*>>& siHitsByHash) const;
 
  ToolHandle<NnClusterizationFactory> m_nnFactory{
    this, "NnClusterizationFactory", "InDet::NnClusterizationFactory/NnClusterizationFactory",
    "NN clusterization factory"};
 
  SG::ReadHandleKey<InDet::PixelClusterContainer> m_pixelClusterKey{
    this, "PixelClusterContainer", "PixelClusters", "Pixel cluster container"};
 
  SG::ReadHandleKey<TrackCollection> m_trackCollectionKey{
    this, "TrackCollection", "CombinedInDetTracks", "Track collection (position-net input only)"};
 
  SG::ReadCondHandleKey<InDet::BeamSpotData> m_beamSpotKey{
    this, "BeamSpotKey", "BeamSpotData", "Beam spot data"};
 
  SG::ReadHandleKey<SiHitCollection> m_siHitKey{
    this, "SiHitCollection", "ITkPixelHits", "Pixel Geant4 hits for truth positions"};
 
  SG::ReadHandleKey<Trk::ClusterSplitProbabilityContainer> m_splitProbKey{
    this, "ClusterSplitProbContainer", "",
    "Reco cluster split-probability container (isSplit); empty = disabled"};
 
  ToolHandle<ISiLorentzAngleTool> m_lorentzTool{
    this, "PixelLorentzAngleTool", "SiLorentzAngleTool/PixelLorentzAngleTool",
    "Lorentz angle tool, to reproduce the with-track NN incidence angle"};
 
  const PixelID* m_pixelID{nullptr};
 
  Gaudi::Property<bool> m_doTruth{this, "doTruth", true,
    "Use Geant4 SiHit truth for number-net confusion and position residuals/pulls"};
 
};
 
} // namespace InDet
 
#endif