sbg_utm.h

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#ifndef SBG_UTM_H
#define SBG_UTM_H
 
// STL headers
#include <array>
 
namespace sbg
{
 
class Utm final
{
  public:
 
    //---------------------------------------------------------------------//
    //- Constructor                                                       -//
    //---------------------------------------------------------------------//
 
    Utm() = default;
 
    Utm(double latitude, double longitude);
 
    //---------------------------------------------------------------------//
    //- Parameters                                                        -//
    //---------------------------------------------------------------------//
 
    bool isInit() const;
 
    int getZoneNumber() const;
 
    double getMeridian() const;
 
    char getLetterDesignator() const;
 
    //---------------------------------------------------------------------//
    //- Operations                                                        -//
    //---------------------------------------------------------------------//
 
    void init(double latitude, double longitude);
 
    void clear();
 
    std::array<double, 2> computeEastingNorthing(double latitude, double longitude) const;
 
  private:
 
    static int computeZoneNumber(double latitude, double longitude);
 
    static char computeLetterDesignator(double latitude);
 
    double computeMeridian() const;
 
    bool      is_init_ = false;
    double    meridian_{};
    int       zone_number_{};
    char      letter_designator_{};
};
 
}
 
#endif // SBG_UTM_H