maps2_: Prepares the base of a map, starting from a data frame with longitude (long) and latitude (lat) coordinates, as a ggplot2 object
Description
Prepares the base of a map, starting from a data frame with longitude (long) and latitude (lat) coordinates, as a ggplot2 object
Usage
maps2_(data, mapping = ggplot2::aes_string(x = "long", y = "lat", group = "group"))
Arguments
data
data frame with longitude, latitude and group coordinates of a territory (polygons)
mapping
Aesthetic mappings, as character strings (link{ggplot2::aes_string}). Defaults are x = "long", y = "lat" and group = "group" (these work with every element of the list shp_df of ggswissmaps)