Format geographical positions to degrees, minutes, and hemispheres
formatPosition(
latlon,
isLat = TRUE,
type = c("list", "string", "expression"),
showHemi = TRUE
)a vector of latitudes or longitudes
a boolean that indicates whether the quantity is latitude or longitude
a string indicating the type of return value (see below)
a boolean that indicates whether to indicate the hemisphere
A list containing degrees, minutes, seconds,
and hemispheres, or a vector of strings or (broken) a vector of
expressions.
Other functions related to maps:
lonlat2map(),
lonlat2utm(),
map2lonlat(),
mapArrows(),
mapAxis(),
mapContour(),
mapCoordinateSystem(),
mapDirectionField(),
mapGrid(),
mapImage(),
mapLines(),
mapLocator(),
mapLongitudeLatitudeXY(),
mapPlot(),
mapPoints(),
mapPolygon(),
mapScalebar(),
mapText(),
mapTissot(),
oceCRS(),
oceProject(),
shiftLongitude(),
usrLonLat(),
utm2lonlat()
library(oce)
formatPosition(10 + 1:10 / 60 + 2.8 / 3600)
#> expression(c(10, 10, 10, 10, 10, 10, 10, 10, 10, 10), c(1, 2,
#> 3, 4, 5, 6, 7, 8, 9, 10), c(2.8, 2.8, 2.8, 2.8, 2.8, 2.8, 2.8,
#> 2.8, 2.8, 2.8), c("N", NA, NA, NA, NA, NA, NA, NA, NA, NA), NULL,
#> NULL, NULL, NULL, NULL, NULL)
formatPosition(10 + 1:10 / 60 + 2.8 / 3600, type = "string")
#> expression("10 01' 2.80\" N", "10 02' 2.80\" NA", "10 03' 2.80\" NA",
#> "10 04' 2.80\" NA", "10 05' 2.80\" NA", "10 06' 2.80\" NA",
#> "10 07' 2.80\" NA", "10 08' 2.80\" NA", "10 09' 2.80\" NA",
#> "10 10' 2.80\" NA")