OnTrackCalibrator.h

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ONTRACKCALIBRATOR_H
#define ONTRACKCALIBRATOR_H
 
 
#include <GaudiKernel/ToolHandle.h>
 
#include "MeasurementCalibrator.h"
 
namespace ActsTrk {
 
template <typename traj_t>
class OnTrackCalibrator : MeasurementCalibratorBase {
public:
    using TrackStateProxy = typename Acts::MultiTrajectory<traj_t>::TrackStateProxy;
 
    using PixelPos = xAOD::MeasVector<2>;
    using PixelCov = xAOD::MeasMatrix<2>;
    using PixelCalibrator = Acts::Delegate<
    std::pair<PixelPos, PixelCov>(const Acts::GeometryContext&,
                      const Acts::CalibrationContext&,
                      const xAOD::PixelCluster&,
                      const TrackStateProxy&)>;
 
    using StripPos = xAOD::MeasVector<1>;
    using StripCov = xAOD::MeasMatrix<1>;
    using StripCalibrator = Acts::Delegate<
    std::pair<StripPos, StripCov>(const Acts::GeometryContext&,
                      const Acts::CalibrationContext&,
                      const xAOD::StripCluster&,
                      const TrackStateProxy&)>;
 
    PixelCalibrator pixel_calibrator;
    StripCalibrator strip_calibrator;
 
    static OnTrackCalibrator
    NoCalibration(const ActsTrk::IActsToTrkConverterTool &converter_tool,
          const TrackingSurfaceHelper &surface_helper);
 
    OnTrackCalibrator(const ActsTrk::IActsToTrkConverterTool &converter_tool,
              const TrackingSurfaceHelper &surface_helper,
              const ToolHandle<IOnTrackCalibratorTool<traj_t>> &pixelTool,
              const ToolHandle<IOnTrackCalibratorTool<traj_t>> &stripTool);
 
    void calibrate(const Acts::GeometryContext& geoctx,
           const Acts::CalibrationContext& cctx,
           const Acts::SourceLink& link,
           TrackStateProxy state) const;
 
private:
 
    // Support the no-calibration case
    template <std::size_t Dim, typename Cluster>
    std::pair<xAOD::MeasVector<Dim>, xAOD::MeasMatrix<Dim>>
    passthrough(const Acts::GeometryContext& gctx,
        const Acts::CalibrationContext& /*cctx*/,
        const Cluster& cluster,
        const TrackStateProxy& state) const;
 
    // Helper to locate surfaces
    const TrackingSurfaceHelper *m_surfaceHelper;
};
 
} // namespace ActsTrk
 
#include "OnTrackCalibrator.icc"
 
#endif