Plot a polygon on an existing map.
mapPolygon(longitude, latitude, density = NULL, angle = 45,
border = NULL, col = NA, lty = par("lty"), ...,
fillOddEven = FALSE)longitudes of points to be plotted, or an object from
which longitude and latitude can be inferred (e.g. a coastline file, or
the return value from mapLocator), in which case the
following two arguments are ignored.
latitudes of points to be plotted.
as for polygon.
as for polygon.
as for polygon.
as for polygon.
as for polygon.
as for polygon.
as for polygon.
Adds a polygon to an existing map, by analogy to
polygon. Used by mapImage.
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,
mapScalebar, mapText,
mapTissot, oceCRS,
shiftLongitude, usrLonLat,
utm2lonlat