Shape (spatial object) specification

Specify a shape, which is a spatial object from one of these spatial object class packages: sf, stars, or terra.

Usage

tm_shape(
  shp,
  bbox = NULL,
  crs = NULL,
  is.main = NA,
  name = NULL,
  unit = NULL,
  filter = NULL,
  ...
)

shp: Spatial object
bbox: Bounding box of the map (only used if shp is the main shape (see is.main)
crs: CRS to which shp is reprojected (only used if is.main = TRUE)
is.main: Is shp the main shape, which determines the crs and bounding box of the map? By default, TRUE if it is the first tm_shape call
name: Name of the shape
unit: Unit of the coordinates
filter: Filter features
...: passed on to bb (e.g. ext can be used to enlarge or shrink a bounding box)

tm_shape(World, crs = "+proj=robin", filter = World$continent=="Africa") + 
  tm_polygons()