read_fude() reads Fude Polygon data as a list. The data can be downloaded
from the MAFF website as a ZIP file, which contains one or more GeoJSON
format files. The function should also work with the ZIP file you created,
as long as you do not change the filenames of the original GeoJSON files.
Arguments
- path
Path to the ZIP file containing one or more GeoJSON format files.
- stringsAsFactors
logical. Should character vectors be converted to factors?
- quiet
logical. Suppress information about the data to be read.
- supplementary
logical. If TRUE, add supplementary information for each polygon. Default is TRUE.
Value
A list of sf::sf() objects.
Examples
path <- system.file("extdata", "castle.zip", package = "fude")
d <- read_fude(path, stringsAsFactors = FALSE)
#> Reading layer `2021_382019' from data source
#> `/private/var/folders/33/1nmp7drn6c56394qxrzb2cth0000gn/T/RtmpG6wBm0/file17c901d7ed36c/castle/2021_382019.json'
#> using driver `GeoJSON'
#> Simple feature collection with 1 feature and 6 fields
#> Geometry type: POLYGON
#> Dimension: XY
#> Bounding box: xmin: 132.7653 ymin: 33.84506 xmax: 132.7662 ymax: 33.84575
#> Geodetic CRS: WGS 84
#> Reading layer `2022_382019' from data source
#> `/private/var/folders/33/1nmp7drn6c56394qxrzb2cth0000gn/T/RtmpG6wBm0/file17c901d7ed36c/castle/2022_382019.json'
#> using driver `GeoJSON'
#> Simple feature collection with 1 feature and 6 fields
#> Geometry type: POLYGON
#> Dimension: XY
#> Bounding box: xmin: 132.7653 ymin: 33.84506 xmax: 132.7662 ymax: 33.84575
#> Geodetic CRS: WGS 84
#> Reading layer `2022_382078' from data source
#> `/private/var/folders/33/1nmp7drn6c56394qxrzb2cth0000gn/T/RtmpG6wBm0/file17c901d7ed36c/castle/2022_382078.json'
#> using driver `GeoJSON'
#> Simple feature collection with 1 feature and 6 fields
#> Geometry type: POLYGON
#> Dimension: XY
#> Bounding box: xmin: 132.541 ymin: 33.50931 xmax: 132.5415 ymax: 33.50966
#> Geodetic CRS: WGS 84