geosphere (version 1.2-15)

finalBearing: Final direction

Description

Get the final direction (bearing) when arriving at p2 after starting from p1 and following the shortest path (a great circle).

Usage

finalBearing(p1, p2)

Arguments

p1

longitude/latitude of point(s). Can be a vector of two numbers, a matrix of 2 columns (first one is longitude, second is latitude) or a SpatialPoints* object

p2

as above

Value

• A direction (bearing) in degrees

References

http://www.movable-type.co.uk/scripts/latlong.html http://williams.best.vwh.net/ftp/avsig/avform.txt

See Also

bearing

Examples

bearing(c(10,10),c(20,20))
finalBearing(c(10,10),c(20,20))