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Get the agricultural community boundary data

Source: R/get_boundary.R
get_boundary.Rd

get_boundary() downloads and reads one or more agricultural community boundary data provided by the MAFF.

Usage

get_boundary(
  data,
  boundary_data_year = 2020,
  rcom_year = 2020,
  boundary_type = 1,
  path = NULL,
  suffix = FALSE,
  to_wgs84 = TRUE,
  encoding = "CP932",
  quiet = FALSE
)

Arguments

data

Either Fude Polygon data as returned by read_fude(), or a two-digit prefecture code.

boundary_data_year

Year when the agricultural community boundary data were created.

rcom_year

Year of the agricultural community boundary data.

boundary_type

The type of boundary data: 1 = agricultural community, 2 = former municipality, 3 = municipality.

path

Path to the ZIP file containing the agricultural community boundary data; use a local ZIP file instead of going looking for a ZIP file. Specify a directory containing one or more ZIP files, not the ZIP file itself.

suffix

Logical. If FALSE, suffixes such as "-SHI" and "-KU" in local government names are removed.

to_wgs84

Logical. If TRUE, transform coordinates to WGS 84 (EPSG:4326).

encoding

Character encoding of the source files (e.g., "CP932").

quiet

Logical. If TRUE, suppress messages about reading progress.

Value

A list of sf::sf() objects.

Examples

if (FALSE) { # interactive()
path <- system.file("extdata", "castle.zip", package = "fude")
d <- read_fude(path)
b <- get_boundary(d)
}