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 3.4-10 Index]