Converts geographic coordinates to DGGS cell IDs using a grid specification.
Usage
lonlat_to_cell(lon, lat, grid)
Arguments
- lon
Numeric vector of longitudes in degrees
- lat
Numeric vector of latitudes in degrees
- grid
A HexGridInfo or HexData object, or legacy hexify_grid
Value
Numeric vector of cell IDs
Details
This function accepts either a HexGridInfo object from hex_grid() or
a HexData object from hexify(). If a HexData object is provided,
its grid specification is extracted automatically.
Examples
if (FALSE) { # \dontrun{
grid <- hex_grid(area_km2 = 1000)
cells <- lonlat_to_cell(lon = c(0, 10), lat = c(45, 50), grid = grid)
# Or use HexData object
result <- hexify(df, lon = "lon", lat = "lat", area_km2 = 1000)
cells <- lonlat_to_cell(lon = 5, lat = 48, grid = result)
} # }