Intersection between two rhumb lines defined by their point of origin and true bearing
Usage
rhumbIntersect(p1, brng1, p2, brng2)
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
brng1
True bearing from p1
p2
As above. Should have same length as p1, or a single point (or vice versa when p1 is a single point