Map layer — mark_map • plotit

Adds a geographic map layer for sf spatial data frames. Requires the sf package.

Usage

mark_map(
  plot,
  mapping = NULL,
  data = NULL,
  position = NULL,
  ...,
  rasterize = FALSE,
  rasterize_dpi = 300,
  rasterize_dev = "cairo"
)

Arguments

plot: A plotit object
mapping: Optional new aesthetics
data: Optional sf data frame for this layer
position: Position adjustment (ignored for sf layers).
...: Other arguments passed to geom_sf
rasterize: If TRUE, rasterize via ggrastr::rasterise().
rasterize_dpi: DPI for rasterization (default 300).
rasterize_dev: Graphics device for rasterization (default "cairo").

Value

Modified plotit object

References

Vega-Lite: Geoshape

AntV G2: GeoPath

Examples

if (requireNamespace("sf", quietly = TRUE)) {
  nc <- sf::st_read(system.file("shape/nc.shp", package = "sf"), quiet = TRUE)
  plotit(nc, encode(geometry = geometry)) |> mark_map()
}