AlongGreat {RFOC}R Documentation

Get Points Along Great Circle

Description

Using a Starting LAT-LON, return points along an azimuth

Usage

AlongGreat(LON1, LAT1, km1, ang,  EARTHRAD= 6371)

Arguments

LON1 Longitude, point
LAT1 Latitude, point
km1 Kilometers in direction ang
ang Direction from North
EARTHRAD optional earth radius, default = 6371

Details

Returns LAT-LON points along a great circle, so many kilometers away in a specified direction

Value

LIST:

lat Latitude, destination point
lon Longitude, destination point
distdeg distance in degrees
distkm distance in km

Author(s)

Jonathan M. Lees <jonathan.lees@unc.edu>

Examples

london = c(51.53333, -0.08333333)

AlongGreat(london[2], london[1], 450, 56)


[Package RFOC version 1.0-5 Index]