LocalTransformationGeo.h

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#ifndef LARCOREALG_GEOMETRY_LOCALTRANSFORMATIONGEO_H
#define LARCOREALG_GEOMETRY_LOCALTRANSFORMATIONGEO_H

// LArSoft libraries
#include "larcorealg/Geometry/LocalTransformation.h"
#include "larcoreobj/SimpleTypesAndConstants/geo_vectors.h" // geo::Point_t...


// C/C++ standard libraries
#include <utility> // std::move()
#include <type_traits> // std::is_same


namespace geo {
  
  template <typename StoredMatrix
    , typename LocalPoint = geo::Point_t
    , typename LocalVector = geo::Vector_t
    >
  class LocalTransformationGeo: public geo::LocalTransformation<StoredMatrix> {
    using Base_t = geo::LocalTransformation<StoredMatrix>;
    
      public:
    using GlobalPoint_t  = geo::Point_t;  
    using GlobalVector_t = geo::Vector_t; 
    using LocalPoint_t   = LocalPoint;    
    using LocalVector_t  = LocalVector;   
    
    using typename Base_t::TransformationMatrix_t;
    

    LocalTransformationGeo(TransformationMatrix_t const& matrix)
      : Base_t(matrix) {}
    LocalTransformationGeo(TransformationMatrix_t&& matrix)
      : Base_t(std::move(matrix)) {}
    
    LocalTransformationGeo
      (std::vector<TGeoNode const*> const& path, size_t depth)
      : Base_t(path, depth) {}
    
    
    GlobalPoint_t toWorldCoords(LocalPoint_t const& local) const
      { return Base_t::template LocalToWorld<GlobalPoint_t>(local); }
    
    
    GlobalVector_t toWorldCoords(LocalVector_t const& local) const
      { return Base_t::template LocalToWorldVect<GlobalVector_t>(local); }
    
    
    LocalPoint_t toLocalCoords(GlobalPoint_t const& world) const
      { return Base_t::template WorldToLocal<LocalPoint_t>(world); }
    
    LocalVector_t toLocalCoords(GlobalVector_t const& world) const
      { return Base_t::template WorldToLocalVect<LocalVector_t>(world); }
    
    
    static_assert(!std::is_same<LocalPoint_t, LocalVector_t>(),
      "Vector and point types must be distinct");
    
  }; // class LocalTransformationGeo<>
  
  
} // namespace geo


#endif // LARCOREALG_GEOMETRY_LOCALTRANSFORMATIONGEO_H