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/**********************************************************************************
* MIT License *
* *
* Copyright (c) 2020 Vahan Aghajanyan <vahancho@gmail.com> *
* *
* Geodesy tools for conversions between (historical) datums *
* (c) Chris Veness 2005-2019 *
* www.movable-type.co.uk/scripts/latlong-convert-coords.html *
* www.movable-type.co.uk/scripts/geodesy-library.html#latlon-ellipsoidal-datum *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy *
* of this software and associated documentation files (the "Software"), to deal *
* in the Software without restriction, including without limitation the rights *
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in all *
* copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE *
* SOFTWARE. *
***********************************************************************************/
#ifndef CARTESIAN_POINT_H
#define CARTESIAN_POINT_H
#include "datum.h"
#include "vector3d.h"
#include <memory>
namespace erkir
{
namespace ellipsoidal
{
class Point;
}
namespace cartesian
{
/// ECEF (earth-centered earth-fixed) geocentric Cartesian coordinates.
class ERKIR_EXPORT Point : public Vector3d
{
public:
/// Creates Cartesian coordinate representing ECEF (earth-centric earth-fixed) point.
/*!
\param x X coordinate in metres (=> 0°N,0°E).
\param y Y coordinate in metres (=> 0°N,90°E).
\param z Z coordinate in metres (=> 90°N).
\example auto coord = Cartesian(3980581.210, -111.159, 4966824.522);
*/
Point(double x, double y, double z, const ellipsoidal::Datum &datum = {ellipsoidal::Datum::Type::WGS84});
/// Converts 'this' (geocentric) cartesian (x/y/z) coordinate to (geodetic) latitude/longitude
/// point( based on the same datum, or WGS84 if unset ).
/*!
\returns {LatLon} Latitude/longitude point defined by cartesian coordinates.
\example
auto c = cartesian::Point{4027893.924, 307041.993, 4919474.294};
auto p = c.toGeoPoint(); // 50.7978°N, 004.3592°E
*/
std::unique_ptr<ellipsoidal::Point> toGeoPoint() const;
/// Converts this point to the \p targetDatum.
Point &toDatum(ellipsoidal::Datum::Type targetDatum);
private:
ellipsoidal::Datum m_datum;
};
} // cartesian
} // erkir
#endif // CARTESIAN_POINT_H