'A5' Discrete Global Grid System

---

Documentation for package ‘a5R’ version 0.3.1

• DESCRIPTION file
• User guides, package vignettes and other documentation
• Package NEWS
• Package README

Help Pages

a5_cell	A5 Cell Index Vector
a5_cell_area	Cell area at a given resolution
a5_cell_distance	Distance between cell centroids
a5_cell_from_arrow	Convert between a5_cell and Arrow uint64 arrays
a5_cell_to_arrow	Convert between a5_cell and Arrow uint64 arrays
a5_cell_to_boundary	Get cell boundary polygons
a5_cell_to_children	Get child cells
a5_cell_to_lonlat	Convert A5 cell indices to coordinates
a5_cell_to_parent	Navigate to parent cell(s)
a5_compact	Compact a set of A5 cells
a5_get_num_cells	Total number of cells at a given resolution
a5_get_num_children	Number of children between two resolutions
a5_get_res0_cells	Get all resolution-0 root cells
a5_get_resolution	Get the resolution of A5 cell indices
a5_get_threads	Set the number of threads used by a5R
a5_grid	Generate a grid of A5 cells covering an area
a5_grid_disk	Cells within k hops of a cell
a5_hex_to_u64	Coerce between hex strings and A5 cell vectors
a5_is_valid	A5 Cell Index Vector
a5_lonlat_to_cell	Convert coordinates to A5 cell indices
a5_set_threads	Set the number of threads used by a5R
a5_spherical_cap	Cells within a great-circle radius
a5_u64_to_hex	Coerce between hex strings and A5 cell vectors
a5_uncompact	Uncompact a set of A5 cells to a target resolution
as_a5_cell	A5 Cell Index Vector
is_a5_cell	A5 Cell Index Vector
wk_crs.a5_cell	wk methods for a5_cell
wk_handle.a5_cell	wk methods for a5_cell
wk_methods	wk methods for a5_cell