hexify_lonlat_to_index: Convert longitude/latitude to index string

In hexify: Equal-Area Hex Grids on the 'Snyder' 'ISEA' 'Icosahedron'

Convert longitude/latitude to index string

Description

Main entry point for geocoding points to grid cells.

Usage

hexify_lonlat_to_index(
  lon,
  lat,
  resolution,
  aperture = 3L,
  index_type = c("auto", "z3", "z7", "zorder")
)

Arguments

lon	Longitude in degrees
lat	Latitude in degrees
resolution	Resolution level
aperture	Aperture (3, 4, or 7)
index_type	Index encoding: "auto" (default), "z3", "z7", or "zorder"

Value

Index string

See Also

Other hierarchical index: hexify_cell_to_index(), hexify_compare_indices(), hexify_default_index_type(), hexify_get_children(), hexify_get_parent(), hexify_get_resolution(), hexify_index_to_cell(), hexify_index_to_lonlat(), hexify_is_valid_index_type(), hexify_z7_canonical()

Examples

idx <- hexify_lonlat_to_index(16.37, 48.21, resolution = 5, aperture = 3)

hexify documentation built on March 1, 2026, 1:07 a.m.