XY                      Conversion between grid square codes and
                        coordinates (longitude and latitude)
as_tbl_grid             Convert a data frame into a tbl_grid object
bbox_to_grid            Converting bbox to grid square codes
coords                  Conversion between grid square codes and
                        coordinates (longitude and latitude)
geometry_to_grid        Converting sfc geometries to grid square codes
grid_as_sf              Converting data frame containing grid square
                        codes to sf
grid_as_stars           Converting data frame containing regional grids
                        to stars
grid_city               List of grid square codes by Japanese
                        municipalities
grid_class              Grid square code vector
grid_convert            Convert the grid size of grid objects
grid_distance           Distance between grid square codes
grid_line               Draw line segments between grid square codes
grid_move               Moving on grid square codes
grid_neighbor           Neighborhood grid square codes
grid_subdivide          Subdivide grid square codes
is_grid                 Test if the object is a grid
jpgrid                  Functions for the Grid Square Codes in Japan
parse_grid              Parse grid square codes
