MeasurementCalibratorBase.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
#ifndef ACTSCALIBBASE_DETAIL_MEASUREMENTCALIBRATORBASE_H
#define ACTSCALIBBASE_DETAIL_MEASUREMENTCALIBRATORBASE_H
 
#include "GeoPrimitives/GeoPrimitives.h"
#include "Acts/EventData/Types.hpp"
#include "Acts/Surfaces/SurfaceBounds.hpp"
#include "Acts/EventData/MultiTrajectory.hpp"
#include "Acts/EventData/TrackStateProxy.hpp"
#include "Acts/Utilities/CalibrationContext.hpp"
 
#include "ActsCalibBase/SourceLinkType.h"
 
#include <array>
 
namespace ActsTrk::detail {
  class MeasurementCalibratorBase {
  public:
    MeasurementCalibratorBase() = default;
    enum class ProjectorType{
        e1DimNoTime = 0,      
        e1DimRotNoTime = 1,   
        e2DimNoTime = 2,      
        e1DimWithTime = 3,    
        e1DimRotWithTime = 4, 
        e2DimWithTime = 5,    
    };
 
    template<typename trajectory_t>
    using TrackState_t = typename Acts::MultiTrajectory<trajectory_t>::TrackStateProxy;
    template<typename trajectory_t>
    using ConstTrackState_t = typename Acts::MultiTrajectory<trajectory_t>::ConstTrackStateProxy;
    
    template <std::size_t Dim, typename trajectory_t, 
              typename pos_t, typename cov_t>
      void setState(const ProjectorType projector,
                    const pos_t& locpos,
                    const cov_t& cov,
                    Acts::SourceLink link,
                    TrackState_t<trajectory_t>& trackState) const;
  private:
    constexpr static std::array<Acts::BoundSubspaceIndices, 6> s_boundSpaceIndices{
        Acts::BoundSubspaceIndices{Acts::eBoundLoc0}, // One dimenion without time
        Acts::BoundSubspaceIndices{Acts::eBoundLoc1}, // Complementary one dimension without time
        Acts::BoundSubspaceIndices{Acts::eBoundLoc0, Acts::eBoundLoc1}, 
        Acts::BoundSubspaceIndices{Acts::eBoundLoc0, Acts::eBoundTime}, // One dimension with time
        Acts::BoundSubspaceIndices{Acts::eBoundLoc1, Acts::eBoundTime}, // Complementary one dimension with time
        Acts::BoundSubspaceIndices{Acts::eBoundLoc0, Acts::eBoundLoc1, Acts::eBoundTime} 
    };
  };
  
} // namespace ActsTrk::detail
 
#include "ActsCalibBase/MeasurementCalibratorBase.icc"
 
#endif