st_as_stars.cube: Coerce gdalcubes object into a stars object

In appelmar/gdalcubes_R: Earth Observation Data Cubes from Satellite Image Collections

Coerce gdalcubes object into a stars object

Description

The function materializes a data cube as a temporary netCDF file and loads the file with the stars package.

Usage

st_as_stars.cube(.x, ...)

Arguments

.x	data cube object to coerce
...	not used

Value

stars object

Examples

# create image collection from example Landsat data only 
# if not already done in other examples
if (!file.exists(file.path(tempdir(), "L8.db"))) {
  L8_files <- list.files(system.file("L8NY18", package = "gdalcubes"),
                         ".TIF", recursive = TRUE, full.names = TRUE)
  create_image_collection(L8_files, "L8_L1TP", file.path(tempdir(), "L8.db"), quiet = TRUE) 
}

L8.col = image_collection(file.path(tempdir(), "L8.db"))
v = cube_view(extent=list(left=388941.2, right=766552.4, 
              bottom=4345299, top=4744931, t0="2018-04", t1="2018-04"),
              srs="EPSG:32618", nx = 497, ny=526, dt="P1M")
if(require("stars"))
  st_as_stars(select_bands(raster_cube(L8.col, v), c("B04", "B05")))

appelmar/gdalcubes_R documentation built on March 9, 2024, 10:23 a.m.