Create PRIO-GRID geometries — pg_geometry • priogridR

Creates polygon or centre-point geometries for all or selected cells in a configured PRIO-GRID.

Usage

pg_geometry(
  pgid = NULL,
  geometry = c("polygon", "point"),
  crs = NULL,
  config = priogrid::pg_current_config()
)

Arguments

pgid: Optional vector of cell IDs. If NULL, all configured cells are returned.
geometry: Return cell "polygon" geometries or centre "point" geometries.
crs: Optional output coordinate reference system. By default the grid CRS is retained.
config: A PRIO-GRID configuration object.

Value

An sf object with one row per requested cell.

Examples

config <- priogrid::pg_config(nrow = 18, ncol = 36)
pg_geometry(1:3, geometry = "point", config = config)
#> Simple feature collection with 3 features and 1 field
#> Geometry type: POINT
#> Dimension:     XY
#> Bounding box:  xmin: -175 ymin: -85 xmax: -155 ymax: -85
#> Geodetic CRS:  +proj=longlat +datum=WGS84 +no_defs
#>   pgid         geometry
#> 1    1 POINT (-175 -85)
#> 2    2 POINT (-165 -85)
#> 3    3 POINT (-155 -85)