Package index • globalhex

Locate

Move between coordinates and cells.

point_to_cell(): Convert points to cells
cell_center(): Return cell centers
cell_boundary(): Return cell boundary rings

Neighborhoods

Find nearby cells and measure grid distance.

cell_neighbors(): Return immediate cell neighbors
cell_disk(): Return cells within grid distance k
cell_ring(): Return cells at exactly grid distance k
cell_distance(): Return shortest neighbor-graph distance

Hierarchy

Move up and down resolutions.

cell_parent(): Return cell ancestors
cell_children(): Return cell descendants
cell_aggregate(): Aggregate values to hierarchical ancestors

Mapping

Build lazy cell tables and draw them.

hex_data(): Construct lazily geometric global-hex data
plot(<globalhex_data>): Plot global-hex values with hierarchical level of detail
plot_resolution(): Choose a display resolution for global-hex data
st_as_sf(<globalhex_cell>): Convert cells to sf polygons

Rasters and polygons

Move raster and vector data onto cells.

raster_to_cell(): Convert a raster footprint to global-hex data
cell_extract(): Extract raster summaries into cells
cell_sample(): Sample raster values at cell centers
cell_cover(): Cover polygons with cells

Grids and cells

Create grids and inspect cell vectors.

hex_grid(): Define a global hexagonal grid
as_globalhex_cell(): Construct a globalhex cell vector
cell_resolution(): Return cell resolution
cell_grid(): Return the grid attached to cells
cell_is_valid(): Check cell identifiers
globalhex_info(): Report the local globalhex environment
globalhex globalhex-package: globalhex: Equal-area hierarchical global cells

Legacy

Interoperate with dggridR and sequence numbers.

legacy_grid(): Define the explicit legacy dggridR fallback
as_dggridR_dggs(): Convert to a low-level dggridR grid
as_seqnum(): Convert hierarchical cells to sequence numbers