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

Usage

get_boundary(data, year = 2020, quiet = FALSE, to_wgs84 = TRUE)

Arguments

data

List of sf::sf() objects.

year

Year in which the agricultural community boundary data was created.

quiet

logical. Suppress information about the data to be read.

to_wgs84

logical. Convert JGD2000 to WGS 84.

Value

A list of sf::sf() objects.

Examples

path <- system.file("extdata", "castle.zip", package = "fude")
d <- read_fude(path)
#> Reading layer `2021_382019' from data source 
#>   `/private/var/folders/33/1nmp7drn6c56394qxrzb2cth0000gn/T/RtmpXELmP2/file14e4d790ca19/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/RtmpXELmP2/file14e4d790ca19/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/RtmpXELmP2/file14e4d790ca19/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
b <- get_boundary(d)
#> options:        ENCODING=CP932 
#> Reading layer `rcom' from data source 
#>   `/private/var/folders/33/1nmp7drn6c56394qxrzb2cth0000gn/T/RtmpXELmP2/MA0001_2020_2020_38/rcom.shp' 
#>   using driver `ESRI Shapefile'
#> Simple feature collection with 3302 features and 11 fields
#> Geometry type: MULTIPOLYGON
#> Dimension:     XY
#> Bounding box:  xmin: 132.0123 ymin: 32.88498 xmax: 133.6928 ymax: 34.30165
#> Geodetic CRS:  JGD2000