image_collection: Load an existing image collection from a file

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

Load an existing image collection from a file

Description

This function will load an image collection from an SQLite file. Image collection files index and reference existing imagery. To create a collection from files on disk, use create_image_collection.

Usage

image_collection(path)

Arguments

path	path to an existing image collection file

Value

an image collection proxy object, which can be used to create a data cube using raster_cube

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"))
L8.col

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