PhotonMappingXMirrorTransformations.h

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#ifndef LARSIM_PHOTONPROPAGATION_LIBRARYMAPPINGTOOLS_PHOTONMAPPINGXMIRRORTRANSFORMATIONS_H
#define LARSIM_PHOTONPROPAGATION_LIBRARYMAPPINGTOOLS_PHOTONMAPPINGXMIRRORTRANSFORMATIONS_H

// LArSoft libraries
#include "larsim/PhotonPropagation/LibraryMappingTools/PhotonMappingIdentityTransformations.h"

// framework libraries
#include "art/Utilities/ToolConfigTable.h"

// C/C++ standard libraries
#include <cmath> // std::abs()

namespace phot {

  class PhotonMappingXMirrorTransformations : public phot::PhotonMappingIdentityTransformations {

  public:
    struct Config : phot::PhotonMappingIdentityTransformations::Config {

      //  using Name = fhicl::Name;
      //  using Comment = fhicl::Comment;

      // no additional configuration required

    }; // struct Config

    using Parameters = art::ToolConfigTable<Config>;

    PhotonMappingXMirrorTransformations(Parameters const& config)
      : PhotonMappingXMirrorTransformations(config())
    {}

    PhotonMappingXMirrorTransformations(Config const& config)
      : PhotonMappingIdentityTransformations(config)
    {}

    virtual geo::Point_t detectorToLibrary(geo::Point_t const& location) const override
    {
      return {std::abs(location.X()), location.Y(), location.Z()};
    }

  }; // class PhotonMappingXMirrorTransformations

} // namespace phot

#endif // LARSIM_PHOTONPROPAGATION_LIBRARYMAPPINGTOOLS_PHOTONMAPPINGXMIRRORTRANSFORMATIONS_H