mapLocator(n = 512, type = "n", ...)locator.locator.map2lonlat to infer the location in
geographical space; see the documentation for that function on its
limitations.
mapPlot.Other functions related to maps: lonlat2map,
lonlat2utm, map2lonlat,
mapArrows, mapAxis,
mapContour,
mapDirectionField, mapGrid,
mapImage, mapLines,
mapLongitudeLatitudeXY,
mapMeridians, mapPlot,
mapPoints, mapPolygon,
mapScalebar, mapText,
mapTissot, mapZones,
shiftLongitude, utm2lonlat