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Added support for prime meridians and angular units to GCS

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This commit is contained in:
Martin Tůma
2018-01-20 20:13:56 +01:00
parent e9ef68a81c
commit 1739625896
38 changed files with 886 additions and 773 deletions
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31
src/map/primemeridian.h Normal file
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#ifndef PRIMEMERIDIAN_H
#define PRIMEMERIDIAN_H
#include <cmath>
#include <QDebug>
class PrimeMeridian
{
public:
PrimeMeridian() : _pm(NAN) {}
PrimeMeridian(int code);
bool isNull() const {return std::isnan(_pm);}
bool isValid() const {return !std::isnan(_pm);}
double toGreenwich(double val) const;
double fromGreenwich(double val) const;
friend bool operator==(const PrimeMeridian &pm1, const PrimeMeridian &pm2);
friend QDebug operator<<(QDebug dbg, const PrimeMeridian &pm);
private:
double _pm;
};
inline bool operator==(const PrimeMeridian &pm1, const PrimeMeridian &pm2)
{return (pm1._pm == pm2._pm);}
QDebug operator<<(QDebug dbg, const PrimeMeridian &pm);
#endif // PRIMEMERIDIAN_H