Geolocation functions: Tracker SPARQL Library Reference Manual

## Geolocation functions

### tracker:cartesian-distance

    	tracker:cartesian-distance (?lat1, ?lat2, ?lon1, ?lon2)

Calculates the cartesian distance between 2 points expressed by `?lat1/?lon1` and `?lat2/?lon2`.

### tracker:haversine-distance

    	tracker:haversine-distance (?lat1, ?lat2, ?lon1, ?lon2)

Calculates the haversine distance between 2 points expressed by `?lat1/?lon1` and `?lat2/?lon2`.