swfscMisc (version 1.1)

bearing: Calculate Bearing Between Two Positions

Description

Calculates the bearing between two points, given each point's latitude and longitude coordinates

Usage

bearing(lat1, lon1, lat2, lon2)

Arguments

lat1, lon1

numeric. The latitude and longitude of the starting coordinate in decimal degrees.

lat2, lon2

numeric. The latitude and longitude of the ending coordinate in decimal degrees.

Value

vector with initial and final bearings.

Examples

# What is the bearing from San Diego, CA to Honolulu, HI?
bearing(32.87, -117.25, 21.35, -157.98)