Clean theme for maps

Description

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

Usage

theme_map(base_size = 9, base_family = "")

Arguments

Examples

library("maps")
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()
  )
gg