ggsn (0.2.0)

North Symbols and Scale Bars for Maps Created with 'ggplot2' or 'ggmap'.

Adds north symbols (18 options) and scale bars in kilometers to maps in geographic or metric coordinates created with 'ggplot2' or 'ggmap'.

Maintainer: Oswaldo Santos
Author(s): Oswaldo Santos Baquero [aut, cre]

License: GPL (>= 2)

Uses: ggplot2, maptools, png, rgdal, rgeos, ggmap

Released almost 2 years ago.