PhxGeographicCoordinates.h

#ifndef PHX_GEOGRAPHIC_COORDINATES_H
#define PHX_GEOGRAPHIC_COORDINATES_H

#include <Phx/Util/PhxMatrix.h>

namespace Phx {
  class EcefVector;

  class GeographicEllipsoid {
  public:
    const static double WGS84_EQUATORIAL_RADIUS;
    const static double WGS84_ECCENTRICITY;

    GeographicEllipsoid();
    GeographicEllipsoid(double e1, double a);

    double eccentricity() const { return mEccentricity; }
    void eccentricity(double eccentricity);
    double equatorialRadius() const { return mEquatorialRadius; }
    void equatorialRadius(double equatorialRadius);

    double polarRadius() const { return mPolarRadius; }
    double ellipticity() const { return mEllipticity; }

  private:
    void updateAux(void);

    double mEccentricity;
    double mEquatorialRadius;
    double mPolarRadius;
    double mEllipticity;
  };

  class LlaVector {
  public:
    LlaVector() { }
    LlaVector(double lat, double lon, double alt) :
      mValue(lat, lon, alt) {}

    double latitude() const { return mValue[0]; }
    void latitude(double latitude) { mValue[0] = latitude; }

    double longitude() const { return mValue[1]; }
    void longitude(double longitude) { mValue[1] = longitude; }

    double altitude() const { return mValue[2]; }
    void altitude(double altitude) { mValue[2] = altitude; }

    EcefVector ecefVector(const GeographicEllipsoid& ellipse) const;

  private:
    Vector3 mValue;
  };


  class EcefVector {
  public:
    EcefVector() { }
    EcefVector(const Vector3& v) : mVector(v) {}
    EcefVector(double x, double y, double z) : mVector(x,y,z) {}

    const Vector3& vector() const { return mVector; }
    void vector(const Vector3& v) { mVector = v; }
    
    double x() const { return mVector[0]; }
    double y() const { return mVector[1]; }
    double z() const { return mVector[2]; }
    void x(double x) { mVector[0] = x; }
    void y(double y) { mVector[1] = y; }
    void z(double z) { mVector[2] = z; }

    LlaVector llaVector(const GeographicEllipsoid& ellipse) const;
  private:
    Vector3 mVector;
  };

};


#endif /* PHX_GEOGRAPHICS_COORDINATES_H */

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