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49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
#ifndef COORDINATES_H
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#define COORDINATES_H
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#include <cmath>
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#include <QPair>
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#include <QDebug>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif // M_PI
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#define deg2rad(d) (((d)*M_PI)/180.0)
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#define rad2deg(d) (((d)*180.0)/M_PI)
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class Coordinates
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{
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public:
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Coordinates() {_lon = NAN; _lat = NAN;}
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Coordinates(const Coordinates &c) {_lon = c._lon; _lat = c._lat;}
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Coordinates(qreal lon, qreal lat) {_lon = lon; _lat = lat;}
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qreal &rlon() {return _lon;}
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qreal &rlat() {return _lat;}
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void setLon(qreal lon) {_lon = lon;}
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void setLat(qreal lat) {_lat = lat;}
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qreal lon() const {return _lon;}
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qreal lat() const {return _lat;}
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bool isNull() const
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{return std::isnan(_lon) && std::isnan(_lat);}
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bool isValid() const
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{return (_lon >= -180.0 && _lon <= 180.0
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&& _lat >= -90.0 && _lat <= 90.0);}
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qreal distanceTo(const Coordinates &c) const;
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QPair<Coordinates, Coordinates> boundingRect(qreal distance) const;
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private:
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qreal _lat, _lon;
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};
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inline bool operator==(const Coordinates &c1, const Coordinates &c2)
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{return (c1.lat() == c2.lat() && c1.lon() == c2.lon());}
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inline bool operator!=(const Coordinates &c1, const Coordinates &c2)
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{return !(c1 == c2);}
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QDebug operator<<(QDebug dbg, const Coordinates &c);
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#endif // COORDINATES_H
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