View source: R/nearest_stations.R
nearest_stations | R Documentation |
Given latitude and longitude values entered as decimal degrees (DD), this
function returns a list (as an atomic vector) of station ID
values, which can be used in get_GSOD
to query for specific
stations as an argument in the station
parameter of that function.
nearest_stations(LAT, LON, distance)
LAT |
Latitude expressed as decimal degrees (DD) (WGS84) |
LON |
Longitude expressed as decimal degrees (DD) (WGS84) |
distance |
Distance in kilometres from point for which stations are to be returned. |
By default a class character
vector
object of station identification numbers.
in order from nearest to farthest in increasing order. If
return_full
is TRUE
, a data.table
with full station metadata including the distance from the user specified
coordinates is returned.
The GSOD data, which are downloaded and manipulated by GSODR stipulate that the following notice should be given. “The following data and products may have conditions placed on their international commercial use. They can be used within the U.S. or for non- commercial international activities without restriction. The non-U.S. data cannot be redistributed for commercial purposes. Re-distribution of these data by others must provide this same notification.”
Adam H. Sparks, adamhsparks@gmail.com
# Find stations within a 100km radius of Toowoomba, QLD, AUS
n <- nearest_stations(LAT = -27.5598, LON = 151.9507, distance = 100)
n
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