PolarStereographic.hpp

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#if !defined(GEOGRAPHICLIB_POLARSTEREOGRAPHIC_HPP)
#define GEOGRAPHICLIB_POLARSTEREOGRAPHIC_HPP 1

#include <GeographicLib/Constants.hpp>

namespace GeographicLib {

  class GEOGRAPHICLIB_EXPORT PolarStereographic {
  private:
    typedef Math::real real;
    real _a, _f, _e2, _es, _e2m, _c;
    real _k0;
  public:

    PolarStereographic(real a, real f, real k0);

    void SetScale(real lat, real k = real(1));

    void Forward(bool northp, real lat, real lon,
                 real& x, real& y, real& gamma, real& k) const;

    void Reverse(bool northp, real x, real y,
                 real& lat, real& lon, real& gamma, real& k) const;

    void Forward(bool northp, real lat, real lon,
                 real& x, real& y) const {
      real gamma, k;
      Forward(northp, lat, lon, x, y, gamma, k);
    }

    void Reverse(bool northp, real x, real y,
                 real& lat, real& lon) const {
      real gamma, k;
      Reverse(northp, x, y, lat, lon, gamma, k);
    }


    Math::real MajorRadius() const { return _a; }

    Math::real Flattening() const { return _f; }

    Math::real CentralScale() const { return _k0; }

    static const PolarStereographic& UPS();
  };

} // namespace GeographicLib

#endif  // GEOGRAPHICLIB_POLARSTEREOGRAPHIC_HPP