Clean theme for maps

A clean theme that is good for displaying maps from geom_map().

Usage

theme_map(base_size = 9, base_family = "")

Arguments

base_size

base font size, given in pts.

base_family

base font family

Examples

library("maps")
#> 
#> Attaching package: ‘maps’
#> The following object is masked from ‘package:purrr’:
#> 
#>     map
library("ggplot2")

us <- fortify(map_data("state"), region = "region")
gg <- ggplot() +
  geom_map(
    data = us, map = us,
    aes(x = long, y = lat, map_id = region, group = group),
    fill = "white", color = "black", size = 0.25
  ) +
  coord_map("albers", lat0 = 39, lat1 = 45) +
  theme_map()
#> Warning: Using `size` aesthetic for lines was deprecated in ggplot2 3.4.0.
#> ℹ Please use `linewidth` instead.
#> Warning: Ignoring unknown aesthetics: x and y
gg