Orthographic globe choropleth

The world as a globe (orthographic projection) centred on lon/lat – the honest answer to "the whole world on a rectangle exaggerates the poles". Takes the same fill / style options as world_map(). The default "sf" backend gives the cleanest limb; the "polygon" backend draws the globe with ggplot2::coord_map() and needs only maps + mapproj (no sf).

Usage

globe_map(
  data,
  fill,
  lon = 0,
  lat = 20,
  backend = c("sf", "polygon"),
  style = c("continuous", "binned", "quantile", "jenks", "categorical"),
  palette = NULL,
  n_bins = 5,
  borders = TRUE,
  title = NULL,
  legend = NULL,
  na_label = "No data"
)

Arguments

data

A map-ready frame: an sf frame for backend = "sf", or a country-level frame with iso3c (or a polygon frame) for backend = "polygon".

fill

The fill column (unquoted).

lon, lat

The longitude / latitude the globe is centred on (the face pointing at the viewer).

backend

"sf" (default, via ggplot2::coord_sf()) or "polygon" (via ggplot2::coord_map(), no sf required).

style, palette, n_bins, borders, title, legend, na_label

As in world_map().

Value

A ggplot object.

Examples

if (FALSE) { # \dontrun{
world_data(2020, geometry = "sf") |>
  globe_map(gdp_per_capita, lon = 10, lat = 30)
# No sf required:
globe_map(world_snapshot$countries, continent, backend = "polygon",
          style = "categorical")
} # }