AlongGreat: Get Points Along Great Circle
In RFOC: Graphics for Spherical Distributions and Earthquake Focal Mechanisms
AlongGreat 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)
RFOC documentation built on Sept. 8, 2023, 6:12 p.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
| AlongGreat | 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)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.