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.

Keywords
internal
Usage
# S3 method for map
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
# NOT RUN {
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 3.1.0, License: GPL-2 | file LICENSE

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