Get points on a great circle as defined by a point and an initial bearing
Usage
greatCircleBearing(p, brng, n=360)
Arguments
p
longitude/latitude of a single point. Can be a vector of two numbers, a matrix of 2 columns (first one is longitude, second is latitude) or a SpatialPoints* object
brng
bearing
n
The requested number of points on the great circle
Value
A matrix of points, or a list of matrices (e.g., if multiple bearings are supplied)