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RFOC (version 3.4-10)

AlongGreat: Get Points Along Great Circle

Description

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

Usage

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

Value

LIST:

lat

Latitude, destination point

lon

Longitude, destination point

distdeg

distance in degrees

distkm

distance in km

Arguments

LON1

Longitude, point

LAT1

Latitude, point

km1

Kilometers in direction ang

ang

Direction from North

EARTHRAD

optional earth radius, default = 6371

Author

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

Details

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

Examples

Run this code
london = c(51.53333, -0.08333333)

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


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