PixelClusterValidationPlots.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "src/PixelClusterValidationPlots.h"
#include "InDetMeasurementUtilities/Helpers.h"
#include "xAODInDetMeasurement/Utilities.h"
 
namespace ActsTrk {
 
  PixelClusterValidationPlots::PixelClusterValidationPlots(PlotBase* pParent, 
                               const std::string& sDir)
    : PlotBase(pParent, sDir)
  {
    m_barrelEndcap = Book1D("barrelEndcap", "PixelCluster_barrelEndcap;Barrel-Endcap;Entries;", 5, -2, 3, false);
 
    m_layerDisk_barrel = Book1D("layerDisk_barrel", "PixelCluster_layerDisk_barrel;Layer Disk;Entries;", 9, 0, 9, false);
    m_layerDisk_endcap = Book1D("layerDisk_endcap", "PixelCluster_layerDisk_endcap;Layer Disk;Entries;", 9, 0, 9, false);
 
    m_phiModule_barrel = Book1D("phiModule_barrel", "PixelCluster_phiModule_barrel;Phi Module;Entries;", 56, 0, 56, false);
    m_phiModule_endcap = Book1D("phiModule_endcap", "PixelCluster_phiModule_endcap;Phi Module;Entries;", 56, 0, 56, false);
 
    m_etaModule_barrel = Book1D("etaModule_barrel", "PixelCluster_etaModule_barrel;Eta Module;Entries;", 46, -18, 28, false);
    m_etaModule_endcap = Book1D("etaModule_endcap", "PixelCluster_etaModule_endcap;Eta Module;Entries;", 46, -18, 28, false);
 
    m_isInnermost_barrel = Book1D("isInnermost_barrel", "PixelCluster_isInnermost_barrel;In Innermost;Entries;", 2, 0, 2, false);
    m_isInnermost_endcap = Book1D("isInnermost_endcap", "PixelCluster_isInnermost_endcap;In Innermost;Entries;", 2, 0, 2, false);
 
    m_isNextToInnermost_barrel = Book1D("isNextToInnermost_barrel", "PixelCluster_isNextToInnermost_barrel;Is Next To Innermost;Entries", 2, 0, 2, false);
    m_isNextToInnermost_endcap = Book1D("isNextToInnermost_endcap", "PixelCluster_isNextToInnermost_endcap;Is Next To Innermost;Entries", 2, 0, 2, false);
 
    m_eta_barrel = Book1D("eta_barrel", "PixelCluster_eta_barrel;eta;Entries;", 50, -5, 5, false);
    m_eta_endcap = Book1D("eta_endcap", "PixelCluster_eta_endcap;eta;Entries;", 50, -5, 5, false);
 
    m_perp_barrel = Book1D("perp_barrel", "PixelCluster_perp_barrel;r [mm];Entries;", 100, 0, 320, false);
    m_perp_endcap = Book1D("perp_endcap", "PixelCluster_perp_endcap;r [mm];Entries;", 100, 0, 320, false);
    
    m_charge_barrel = Book1D("charge_barrel", "PixelCluster_charge_barrel;Charge; Entries;", 100, 0, 150000, false);
    m_charge_endcap = Book1D("charge_endcap", "PixelCluster_charge_endcap;Charge; Entries;", 100, 0, 150000, false);
    
    m_total_charge_barrel = Book1D("total_charge_barrel", "PixelCluster_totalCharge_barrel;total charge;Entries;", 50, 0, 300000, false);
    m_total_charge_endcap = Book1D("total_charge_endcap", "PixelCluster_totalCharge_endcap;total charge;Entries;", 50, 0, 300000, false);
 
    m_tot_barrel = Book1D("tot_barrel", "PixelCluster_tot_barrel;tot;Entries;", 18, 0, 18, false);
    m_tot_endcap = Book1D("tot_endcap", "PixelCluster_tot_endcap;tot;Entries;", 18, 0, 18, false);    
 
    m_charge_vs_tot_barrel = Book2D("charge_vs_tot_barrel", "PixelCluster_charge_vs_tot_barrel;Charge;ToT;", 100, 0, 150000, 18, 0, 18, false);
    m_charge_vs_tot_endcap = Book2D("charge_vs_tot_endcap", "PixelCluster_charge_vs_tot_endcap;Charge;ToT;", 100, 0, 150000, 18, 0, 18, false);
    
    m_total_tot_barrel = Book1D("total_tot_barrel", "PixelCluster_totalTot_barrel;total tot;Entries;", 50, 0, 5000, false);
    m_total_tot_endcap = Book1D("total_tot_endcap", "PixelCluster_totalTot_endcap;total tot;Entries;", 50, 0, 5000, false);
 
    m_omega_x_barrel = Book1D("omega_x_barrel", "PixelCluster_omega_x_barrel;omega x;Entries;", 50, 0, 1, false);
    m_omega_x_endcap = Book1D("omega_x_endcap", "PixelCluster_omega_x_endcap;omega x;Entries;", 50, 0, 1, false);
 
    m_omega_y_barrel = Book1D("omega_y_barrel", "PixelCluster_omega_y_barrel;omega x;Entries;", 50, 0, 1, false);
    m_omega_y_endcap = Book1D("omega_y_endcap", "PixelCluster_omega_y_endcap;omega x;Entries;", 50, 0, 1, false);
 
    m_lvl1a_barrel = Book1D("lvl1a_barrel", "PixelCluster_lvl1a_barrel;lvl1a;Entries;",20, 0, 20, false);
    m_lvl1a_endcap = Book1D("lvl1a_endcap", "PixelCluster_lvl1a_endcap;lvl1a;Entries;",20, 0, 20, false);
    
    m_global_x_barrel = Book1D("global_x_barrel", "PixelCluster_global_x_barrel;Global x [mm];Entries;", 64, -350, 350, false);
    m_global_x_endcap = Book1D("global_x_endcap", "PixelCluster_global_x_endcap;Global x [mm];Entries;", 64, -350, 350, false);
 
    m_global_y_barrel = Book1D("global_y_barrel", "PixelCluster_global_y_barrel;Global y [mm];Entries;", 64, -350, 350, false);
    m_global_y_endcap = Book1D("global_y_endcap", "PixelCluster_global_y_endcap;Global y [mm];Entries;", 64, -350, 350, false);
 
    m_global_z_barrel = Book1D("global_z_barrel", "PixelCluster_global_z_barrel;Global z [mm];Entries;", 100, -3000, 3000, false);
    m_global_z_endcap = Book1D("global_z_endcap", "PixelCluster_global_z_endcap;Global z [mm];Entries;", 100, -3000, 3000, false);
    
    m_local_x_barrel = Book1D("local_x_barrel", "PixelCluster_local_x_barrel;Local x [mm];Entries;", 56, -28, 28, false);
    m_local_x_endcap = Book1D("local_x_endcap", "PixelCluster_local_x_endcap;Local x [mm];Entries;", 56, -28, 28, false);
 
    m_local_y_barrel = Book1D("local_y_barrel", "PixelCluster_local_y_barrel;Local y [mm];Entries;", 56, -28, 28, false);
    m_local_y_endcap = Book1D("local_y_endcap", "PixelCluster_local_y_endcap;Local y [mm];Entries;", 56, -28, 28, false);
 
    m_localCovXX_barrel = Book1D("localCovXX_barrel", "PixelCluster_localCovXX_barrel;Local Cov XX [mm2];Entries;", 100, 0, 0.9*1e-3, false);
    m_localCovXX_endcap = Book1D("localCovXX_endcap", "PixelCluster_localCovXX_endcap;Local Cov XX [mm2];Entries;", 100, 0, 0.9*1e-3, false);
 
    m_localCovYY_barrel = Book1D("localCovYY_barrel", "PixelCluster_localCovYY_barrel;Local Cov YY [mm2];Entries;", 100, 0, 0.9*1e-3, false);
    m_localCovYY_endcap = Book1D("localCovYY_endcap", "PixelCluster_localCovYY_endcap;Local Cov YY [mm2];Entries;", 100, 0, 0.9*1e-3, false);
 
    m_sizeX_barrel = Book1D("sizeX_barrel", "PixelCluster_sizeX_barrel;Size X;Entries;", 100, 0, 400, false);
    m_sizeX_endcap = Book1D("sizeX_endcap", "PixelCluster_sizeX_endcap;Size X;Entries;", 100, 0, 400, false);
 
    m_sizeY_barrel = Book1D("sizeY_barrel", "PixelCluster_sizeY_barrel;Size Y;Entries;", 100, 0, 400, false);
    m_sizeY_endcap = Book1D("sizeY_endcap", "PixelCluster_sizeY_endcap;Size Y;Entries;", 100, 0, 400, false);
 
    m_widthY_barrel = Book1D("widthY_barrel", "PixelCluster_widthY_barrel;Width Y;Entries;", 60, 0, 30, false); 
    m_widthY_endcap = Book1D("widthY_endcap", "PixelCluster_widthY_endcap;Width Y;Entries;", 60, 0, 30, false); 
 
    m_global_xy_barrel = Book2D("global_xy_barrel", "PixelCluster_global_xy_barrel;x [mm];y [mm];", 64, -320, 320, 64, -350, 350, false);
    m_global_xy_endcap = Book2D("global_xy_endcap", "PixelCluster_global_xy_endcap;x [mm];y [mm];", 64, -320, 320, 64, -350, 350, false);
 
    m_global_zr_barrel = Book2D("global_zr_barrel", "PixelCluster_global_zr_barrel;z [mm];r [mm];", 100, -3000, 3000, 100, 0, 350, false);
    m_global_zr_endcap = Book2D("global_zr_endcap", "PixelCluster_global_zr_endcap;z [mm];r [mm];", 100, -3000, 3000, 100, 0, 350, false);
 
    m_sizeX_vs_eta_barrel = Book2D("sizeX_vs_eta_barrel", "PixelCluster_sizeX_vs_eta_barrel;Eta;Size X;", 400, -5, 5, 400, 0, 400, false);
    m_sizeX_vs_eta_endcap = Book2D("sizeX_vs_eta_endcap", "PixelCluster_sizeX_vs_eta_endcap;Eta;Size X;", 400, -5, 5, 400, 0, 400, false);
 
    m_sizeY_vs_eta_barrel = Book2D("sizeY_vs_eta_barrel", "PixelCluster_sizeY_vs_eta_barrel;Eta;Size Y;", 400, -5, 5, 400, 0, 400, false);
    m_sizeY_vs_eta_endcap = Book2D("sizeY_vs_eta_endcap", "PixelCluster_sizeY_vs_eta_endcap;Eta;Size Y;", 400, -5, 5, 400, 0, 400, false);
 
    m_sizeX_vs_sizeY_barrel = Book2D("sizeX_vs_sizeY_barrel", "PixelCluster_sizeX_vs_sizeY_barrel;Size X;Size Y;", 400, 0, 400, 400, 0, 400, false);
    m_sizeX_vs_sizeY_endcap = Book2D("sizeX_vs_sizeY_endcap", "PixelCluster_sizeX_vs_sizeY_endcap;Size X;Size Y;", 400, 0, 400, 400, 0, 400, false);
  }
 
  void PixelClusterValidationPlots:: fill(const xAOD::PixelCluster* cluster,
                      float beamSpotWeight,
                      const PixelID* pixelID)
  {
    const Identifier& id = pixelID->wafer_id(cluster->identifierHash());
    int pixBrlEc = pixelID->barrel_ec(id);
    int pixLayerDisk = pixelID->layer_disk(id);
 
 
    bool isBarrel = (pixBrlEc == 0);
 
    m_barrelEndcap->Fill(pixBrlEc, beamSpotWeight);
 
    const auto& local_position = cluster->template localPosition<2>();
    const auto& local_covariance = cluster->template localCovariance<2>();
    const auto& globalPos = cluster->globalPosition();
    Amg::Vector3D globalPosition(globalPos(0, 0), globalPos(1, 0), globalPos(2, 0));
 
    const std::vector<int>& tots = cluster->totList();
    std::vector<float> charges = cluster->chargeList();
    if (charges.size() != tots.size()) {
      charges.resize(tots.size(), 0);
    }
 
    const auto& [omegax, omegay] = TrackingUtilities::computeOmegas(*cluster,
                                    *pixelID);
    
    if (isBarrel) {
      m_layerDisk_barrel->Fill(pixLayerDisk, beamSpotWeight);
      m_phiModule_barrel->Fill(pixelID->phi_module(id), beamSpotWeight);
      m_etaModule_barrel->Fill(pixelID->eta_module(id), beamSpotWeight);
      m_isInnermost_barrel->Fill(static_cast<int>(pixLayerDisk==0), beamSpotWeight);
      m_isNextToInnermost_barrel->Fill(static_cast<int>(pixLayerDisk==1), beamSpotWeight);
 
      m_eta_barrel->Fill(globalPosition.eta(), beamSpotWeight);
      m_perp_barrel->Fill(globalPosition.perp(), beamSpotWeight);
      
      m_total_charge_barrel->Fill( xAOD::xAODInDetMeasurement::Utilities::computeTotalCharge(*cluster), beamSpotWeight);
      m_total_tot_barrel->Fill( xAOD::xAODInDetMeasurement::Utilities::computeTotalToT(*cluster), beamSpotWeight);
 
      m_omega_x_barrel->Fill(omegax, beamSpotWeight);
      m_omega_y_barrel->Fill(omegay, beamSpotWeight);
 
      m_lvl1a_barrel->Fill(cluster->lvl1a(), beamSpotWeight);
      
      m_global_x_barrel->Fill(globalPos(0, 0), beamSpotWeight);
      m_global_y_barrel->Fill(globalPos(1, 0), beamSpotWeight);
      m_global_z_barrel->Fill(globalPos(2, 0), beamSpotWeight);
      
      m_local_x_barrel->Fill(local_position(0, 0), beamSpotWeight);
      m_local_y_barrel->Fill(local_position(1, 0), beamSpotWeight);
 
      m_localCovXX_barrel->Fill(local_covariance(0, 0), beamSpotWeight);
      m_localCovYY_barrel->Fill(local_covariance(1, 1), beamSpotWeight);
 
      m_sizeX_barrel->Fill(cluster->channelsInPhi(), beamSpotWeight);
      m_sizeY_barrel->Fill(cluster->channelsInEta(), beamSpotWeight);
 
      m_widthY_barrel->Fill(cluster->widthInEta(), beamSpotWeight);
 
      m_global_xy_barrel->Fill(globalPos(0, 0), globalPos(1, 0), beamSpotWeight);
      m_global_zr_barrel->Fill(globalPos(2, 0), globalPosition.perp(), beamSpotWeight);
 
      m_sizeX_vs_eta_barrel->Fill(globalPosition.eta(), cluster->channelsInPhi(), beamSpotWeight);
      m_sizeY_vs_eta_barrel->Fill(globalPosition.eta(), cluster->channelsInEta(), beamSpotWeight);
      m_sizeX_vs_sizeY_barrel->Fill(cluster->channelsInPhi(), cluster->channelsInEta(), beamSpotWeight);
      
      for (std::size_t i(0); i<charges.size(); ++i) {
    m_charge_barrel->Fill(charges.at(i), beamSpotWeight);
    m_tot_barrel->Fill(tots.at(i), beamSpotWeight);
    m_charge_vs_tot_barrel->Fill(charges.at(i), tots.at(i), beamSpotWeight);
      }
      
    } else {
      m_layerDisk_endcap->Fill(pixLayerDisk, beamSpotWeight);
      m_phiModule_endcap->Fill(pixelID->phi_module(id), beamSpotWeight);
      m_etaModule_endcap->Fill(pixelID->eta_module(id), beamSpotWeight);
      m_isInnermost_endcap->Fill(static_cast<int>(pixLayerDisk==0), beamSpotWeight);
      m_isNextToInnermost_endcap->Fill(static_cast<int>(pixLayerDisk==1 or pixLayerDisk==2), beamSpotWeight);
 
      m_eta_endcap->Fill(globalPosition.eta(), beamSpotWeight);
      m_perp_endcap->Fill(globalPosition.perp(), beamSpotWeight);
 
      m_total_charge_endcap->Fill( xAOD::xAODInDetMeasurement::Utilities::computeTotalCharge(*cluster), beamSpotWeight);
      m_total_tot_endcap->Fill( xAOD::xAODInDetMeasurement::Utilities::computeTotalToT(*cluster), beamSpotWeight);
 
      m_omega_x_endcap->Fill(omegax, beamSpotWeight);
      m_omega_y_endcap->Fill(omegay, beamSpotWeight);
 
      m_lvl1a_endcap->Fill(cluster->lvl1a(), beamSpotWeight);
      
      m_global_x_endcap->Fill(globalPos(0, 0), beamSpotWeight);
      m_global_y_endcap->Fill(globalPos(1, 0), beamSpotWeight);
      m_global_z_endcap->Fill(globalPos(2, 0), beamSpotWeight);
      
      m_local_x_endcap->Fill(local_position(0, 0), beamSpotWeight);
      m_local_y_endcap->Fill(local_position(1, 0), beamSpotWeight);
 
      m_localCovXX_endcap->Fill(local_covariance(0, 0), beamSpotWeight);
      m_localCovYY_endcap->Fill(local_covariance(1, 1), beamSpotWeight);
      
      m_sizeX_endcap->Fill(cluster->channelsInPhi(), beamSpotWeight);
      m_sizeY_endcap->Fill(cluster->channelsInEta(), beamSpotWeight);
 
      m_widthY_endcap->Fill(cluster->widthInEta(), beamSpotWeight);
 
      m_global_xy_endcap->Fill(globalPos(0, 0), globalPos(1, 0), beamSpotWeight);
      m_global_zr_endcap->Fill(globalPos(2, 0), globalPosition.perp(), beamSpotWeight);
 
      m_sizeX_vs_eta_endcap->Fill(globalPosition.eta(), cluster->channelsInPhi(), beamSpotWeight);
      m_sizeY_vs_eta_endcap->Fill(globalPosition.eta(), cluster->channelsInEta(), beamSpotWeight);
      m_sizeX_vs_sizeY_endcap->Fill(cluster->channelsInPhi(), cluster->channelsInEta(), beamSpotWeight);
      
      for (std::size_t i(0); i<charges.size(); ++i) {
        m_charge_endcap->Fill(charges.at(i), beamSpotWeight);
        m_tot_endcap->Fill(tots.at(i), beamSpotWeight);
        m_charge_vs_tot_endcap->Fill(charges.at(i), tots.at(i), beamSpotWeight);
      }
    }
 
  }
 
}