Prepares the base of a map, starting from a data frame with longitude (long) and latitude (lat) coordinates, as a 'ggplot2' object

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(x = .data[["long"]], y = .data[["lat"]], group =
    .data[["group"]]),
  caption = "Boundaries: BFS GEOSTAT / swisstopo"
)

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)

caption

text to include in the lower right corner of the map (default: "Boundaries: BFS GEOSTAT / swisstopo")

Examples

data(shp_df)
maps2_(data = shp_df[[1]])