Description Usage Arguments Details Value References See Also Examples
Convert longitude and latitude coordinates to Universal Transverse Mercator coordinates.
1 | latlon2utm(lon, lat, zone = NULL, quiet = TRUE)
|
lon |
Numeric vector of longitudes. |
lat |
Numeric vector of latitudes, same length as |
zone |
Numeric scalar of the UTM zone, default NULL. See details. |
quiet |
Logical scalar indicating whether to refrain from printing the determined
zone when |
If zone
is NULL, then the zone is determined from the medians
of lon
and lat
.
A data frame with two columns (easting and northing) and as many rows as
the length of lon
containing the converted UTM coordinates in
meters.
Based on a function posted by Stanislav on 13 May 2015 on stackoverflow [link].
1 2 3 4 5 6 | mylon <- c(-92.11, -76.47, -82.27, -83.42)
mylat <- c(46.76, 44.34, 44.76, 45.41)
latlon2utm(mylon, mylat, quiet=FALSE)
sapply(1:length(mylon), function(i)
latlon2utm(mylon[i], mylat[i], quiet=FALSE))
latlon2utm(mylon, mylat, 18)
|
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