bearing: Bearing calculations

In HughParsonage/hutils: Miscellaneous R Functions and Aliases

Bearing calculations

Description

Bearing calculations

Usage

bearing(lat_orig, lon_orig, lat_dest, lon_dest)

compass2bearing(compass)

easterly_component(compass)

northerly_component(compass)

Arguments

lat_orig, lon_orig, lat_dest, lon_dest	Latitude and longitude of origin and destination.
compass	A character vector of compass rose points, such as c("NW", "E", "SSW").

Value

bearing

An approximate bearing from _orig and _dest.

compass2bearing

The bearing encoded by the compass input.

easterly_component

The easterly component of a unit vector pointing in the direction provided.

Examples

bearing(0, 0, 90, 0)
bearing(-35, 151, 51, 0)

compass2bearing("NW")
easterly_component("E")
easterly_component("NW")

HughParsonage/hutils documentation built on June 9, 2025, 12:44 a.m.