| mapText {oce} | R Documentation |
Plot text on an existing map.
mapText(longitude, latitude, labels, ...)
longitude |
vector of longitudes of text to be plotted. |
latitude |
vector of latitudes of text to be plotted. |
labels |
vector of labels of text to be plotted. |
... |
optional arguments passed to |
Adds text to an existing map, by analogy to text.
Dan Kelley
A map must first have been created with mapPlot.
Other functions related to maps: lonlat2map,
lonlat2utm, map2lonlat,
mapArrows, mapAxis,
mapContour,
mapDirectionField, mapGrid,
mapImage, mapLines,
mapLocator,
mapLongitudeLatitudeXY,
mapPlot, mapPoints,
mapPolygon, mapScalebar,
mapTissot, oceCRS,
shiftLongitude, usrLonLat,
utm2lonlat
## Not run:
library(oce)
data(coastlineWorld)
longitude <- coastlineWorld[['longitude']]
latitude <- coastlineWorld[['latitude']]
mapPlot(longitude, latitude, type='l', grid=5,
longitudelim=c(-70,-50), latitudelim=c(45, 50),
projection="+proj=merc")
lon <- -63.5744 # Halifax
lat <- 44.6479
mapPoints(lon, lat, pch=20, col="red")
mapText(lon, lat, "Halifax", col="red", pos=1, offset=1)
## End(Not run)