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47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
#ifndef DATUM_H
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#define DATUM_H
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#include <cmath>
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#include <QList>
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#include <QDebug>
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#include "ellipsoid.h"
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#include "common/coordinates.h"
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class Datum
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{
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public:
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Datum() : _ellipsoid(0), _dx(NAN), _dy(NAN), _dz(NAN),
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_WGS84(false) {}
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Datum(const Ellipsoid *ellipsoid, double dx, double dy, double dz);
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const Ellipsoid *ellipsoid() const {return _ellipsoid;}
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double dx() const {return _dx;}
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double dy() const {return _dy;}
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double dz() const {return _dz;}
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bool isNull() const
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{return (!_ellipsoid && std::isnan(_dx) && std::isnan(_dy)
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&& std::isnan(_dz));}
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bool isValid() const
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{return (_ellipsoid && !std::isnan(_dx) && !std::isnan(_dy)
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&& !std::isnan(_dz));}
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Coordinates toWGS84(const Coordinates &c) const;
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Coordinates fromWGS84(const Coordinates &c) const;
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private:
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const Ellipsoid *_ellipsoid;
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double _dx, _dy, _dz;
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bool _WGS84;
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};
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inline bool operator==(const Datum &d1, const Datum &d2)
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{return (d1.ellipsoid() == d2.ellipsoid() && d1.dx() == d2.dx()
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&& d1.dy() == d2.dy() && d1.dz() == d2.dz());}
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#ifndef QT_NO_DEBUG
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QDebug operator<<(QDebug dbg, const Datum &datum);
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#endif // QT_NO_DEBUG
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#endif // DATUM_H
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