Internal helper to build an H3 grid either:
from a vector of H3 cell ids (id_hex), or
from the municipality boundary (code_muni) using geobr (year fixed at 2024).
Usage
build_h3_grid(h3_resolution, id_hex = NULL, code_muni = NULL, boundary = NULL)
Arguments
- h3_resolution
Integer. H3 resolution.
- id_hex
Character/integer vector of H3 cell ids (optional).
- code_muni
Integer. Seven-digit IBGE municipality code (optional).
- boundary
An sf polygon for the area of interest (optional).
Value
An sf object (CRS 4326) with columns id_hex and geometry.
