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Add helper function to determine the distance between two points

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And use this to find a dive site within a certain radius of a GPS fix.
This will be used to figure out if dive sites might be the same.

This uses a new Qt5 component (Positioning) which was added in Qt5.2.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2015-06-10 11:45:34 -07:00
parent 1ee447b5a9
commit d541c2b601
5 changed files with 36 additions and 2 deletions
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3
qt-ui/globe.h
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@ -74,4 +74,7 @@ slots:
};
#endif // NO_MARBLE
extern "C" double getDistance(int lat1, int lon1, int lat2, int lon2);
#endif // GLOBE_H