inst/examples/api-reference/polyfill.R

In crazycapivara/h3forr: An R Interface to H3

library(sf)

list(greater_manchester) %>%
  st_polygon() %>%
  st_sfc(crs = 4326) %>%
  plot()

polyfill(greater_manchester, 6) %>%
  h3_to_geo_boundary() %>%
  geo_boundary_to_sf() %>%
  plot(add = TRUE)

nc <- system.file("shape/nc.shp", package = "sf") %>%
  st_read(quiet = TRUE)

st_geometry(nc) %>%
  plot(border = "red")

polyfill(nc, 5) %>% unlist() %>%
  h3_to_geo_boundary() %>%
  geo_boundary_to_sf() %>%
  plot(add = TRUE)