Returns the brain_polygons representation of the atlas geometry,
converting from sf when needed. The sf-optional counterpart to atlas_sf().
See also
Other atlas accessors:
atlas_geom(),
atlas_geometry_type(),
atlas_labels(),
atlas_meshes(),
atlas_palette(),
atlas_regions(),
atlas_sf(),
atlas_type(),
atlas_vertices(),
atlas_views()
Examples
polys <- atlas_polygons(dk())