Skip to contents

Attach coordinates with 'cartographer'

Source: R/stat_automap_coords.R
stat_automap_coords.Rd

Use cartographer to attach a spatial column to the data based on place names in another column. The spatial data is then reduced to coordinates in the same way as stat_sf_coordinates().

Usage

stat_automap_coords(
  mapping = NULL,
  data = NULL,
  geom = "sf_inset",
  position = "identity",
  ...,
  feature_type = NA,
  na.rm = TRUE,
  inset = NA,
  fun.geometry = NULL,
  show.legend = NA,
  inherit.aes = TRUE
)

Arguments

mapping, data, geom, position, na.rm, show.legend, inherit.aes, ...

See ggplot2::stat_sf_coordinates().

feature_type

Type of map feature. See feature_types() for a list of registered types. If NA, the type is guessed based on the values in feature_names.

inset

Inset configuration; see configure_inset(). If NA (the default), this is inherited from the coord (see coord_sf_inset()).

fun.geometry

A function that takes a sfc object and returns a sfc_POINT with the same length as the input. If NULL, function(x) sf::st_point_on_surface(sf::st_zm(x)) will be used. Note that the function may warn about the incorrectness of the result if the data is not projected, but you can ignore this except when you really care about the exact locations.

Value

A plot layer

Computed variables

geometry

sf geometry column representing the points

x

X dimension of the simple feature

y

Y dimension of the simple feature

x_inset

X dimension of the simple feature after inset transformation

y_inset

Y dimension of the simple feature after inset transformation

inside_inset

logical indicating points inside the inset viewport

inset_scale

1 for points outside the inset, otherwise the configured inset scale parameter

See also

ggmapinset::stat_sf_coordinates_inset()

Examples

library(ggplot2)

events <- data.frame(
  county = c("Mecklenburg", "Carteret", "Moore", "Caldwell"),
  proportion_A = c(0.1, 0.8, 0.0, 0.6)
)

ggplot(events, aes(location = county)) +
  geom_sf(aes(fill = proportion_A), stat = "automap") +
  geom_label(aes(label = county), stat = "automap_coords") +
  coord_automap(feature_type = "sf.nc")