fortify.map

0th

Percentile

Fortify method for map objects.

This function turns a map into a data frame that can more easily be plotted with ggplot2.

Usage
"fortify"(model, data, ...)
Arguments
model
map object
data
not used by this method
...
not used by this method
See Also

map_data and borders

Aliases
  • fortify.map
Examples
if (require("maps")) {
ca <- map("county", "ca", plot = FALSE, fill = TRUE)
head(fortify(ca))
ggplot(ca, aes(long, lat)) +
  geom_polygon(aes(group = group))

tx <- map("county", "texas", plot = FALSE, fill = TRUE)
head(fortify(tx))
ggplot(tx, aes(long, lat)) +
  geom_polygon(aes(group = group), colour = "white")
}
Documentation reproduced from package ggplot2, version 2.1.0, License: GPL-2

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