A wrapper function to quickly get plottable ggmap basemap clipped to padded bbox of sf object.
Arguments
- x
A sf object
- pad
A numeric vector indicating amount in metres to pad bbox. If vector of length 1, that amount is added to all sides; if vector of length 4 amount is added to left, top, right and bottom, respectively.
- source
Google Maps ("google"), OpenStreetMap ("osm"), Stamen Maps ("stamen"), or CloudMade maps ("cloudmade")
- maptype
Character string providing map theme. Options available are "terrain", "terrain-background", "satellite", "roadmap", and "hybrid" (google maps), "terrain", "watercolor", and "toner" (stamen maps), or a positive integer for cloudmade maps (see ?get_cloudmademap).