as.tile_source          Tile Sources
bmaps.plot              Plot Bing Maps
bmaps.types             List types of Bing Maps
extract_bbox            Extract a bounding box from an object
osm.image               Get Open Street Map Tiles As A RasterStack
osm.lines               Overlay lines on an OSM plot
osm.plot                Plot Open Street Map Tiles
osm.points              Overlay points on an OSM plot
osm.polygon             Overlay a polygon on an OSM plot
osm.segments            Overlay segments on an OSM plot
osm.text                Overlay text on an OSM plot
osm.types               Get List of Valid Tile Sources
register_tile_source    Register Tile Sources
rosm                    Plot Raster Map Tiles From Open Street Map and
                        Other Sources
set_default_cachedir    Set/Get the Default Tile Cache Location
