haversine_distance {hutils}

Distance between two points on the Earth

Description

Distance between two points on the Earth

Usage

haversine_distance(lat1, lon1, lat2, lon2)

Arguments

lat1, lon1, lat2, lon2

That latitudes and longitudes of the two points.

Details

This is reasonably accurate for distances in the order of 1 to 1000 km.

Value

The distance in kilometres between the two points.

Examples

# Distance from YMEL to YSSY
haversine_distance(-37 - 40/60, 144 + 50/60, -33 - 56/60, 151 + 10/60)