Coast map

Coastline data set as SpatialPolygons, currently not supported.

coastmap(
  map = c("world", "world2", "ant_coast", "ant_coast01", "ant_coast10",
    "Countries_hires", "world1", "world360", "cst00_polygon", "cst01_polygon",
    "cst10_polygon"),
  ...
)

Arguments

map

A named map source

...

arguments passed to worker functions

Value

SpatialPolygonsDataFrame or SpatialPolygons (world1/2)

Details

This function reads and returns a coastline polygon data set, either from the source or serialized cache (.Rdata). Data source locations are controlled by options.

The following named data sets were available.

"world", "world2" - Atlantic and Pacific versions of maptools wrld_simpl ("world1", "world360" are aliases) "ant_coast", "ant_coast01", "ant_coast10" - AAD Antartic coast in full, "1 mill", and "10 mill" resolution ("cst00_polygon", "cst01_polygon", and "cst10_polygon" are aliases) "Countries_hires" - the "CIA" world map exported from the Manifold GIS data set