Tracking/TrkValidation/TrkValHistUtils/Root/ResolutionPlots.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#include "TrkValHistUtils/ResolutionPlots.h"
 
namespace Trk {
  void
  ResolutionPlots::init() {
    Res_pT = nullptr;
    Res_eta = nullptr;
    Res_phi = nullptr;
  }
 
  void
  ResolutionPlots::initializePlots() {
    Res_pT = Book1D("Res" + m_sType + "_pT", "Res" + m_sType + "_pT;(pT-pTtruth)/pTtruth;Entries", 100, -0.5, 0.5);
    Res_eta = Book1D("Res" + m_sType + "_eta", "Res" + m_sType + "_eta;eta-etatruth;Entries", 100, -0.02, 0.02);
    Res_phi = Book1D("Res" + m_sType + "_phi", "Res" + m_sType + "_phi;phi-phitruth;Entries", 100, -0.005, 0.005);
  }
 
  void
  ResolutionPlots::fill(const xAOD::TrackParticle &trkprt, const xAOD::TruthParticle &truthprt, float weight) {
    Res_pT->Fill((trkprt.pt() - truthprt.pt()) / truthprt.pt(), weight);
    Res_eta->Fill(trkprt.eta() - truthprt.eta(),weight);
    Res_phi->Fill(trkprt.phi() - truthprt.phi(),weight);
  }
}