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