TheiaTile {theiaR}

A tile from Theia

Description

Generate and manage a tile from Theia (download, check, load).

Usage

   t <- TheiaTile$new(file.path,
                      url,
                      file.hash,
                      check = TRUE,
                      quiet = TRUE)

   t$download(overwrite = FALSE, check = TRUE, quiet = TRUE)
   t$check()
   t$extract(overwrite = FALSE, dest.dir = NULL)
   t$read(bands)

Arguments

t:

A TheiaTile object

file.path:

The path to the zip file containing the tile

url:

The url to download the tile

file.hash:

The md5sum used to check the zip file

check:

Whether or not to check existing files on tile's creation

quiet:

Control verbose output

auth:

A character string giving the file path to Theia credentials. Or a TheiaAuth object

overwrite:

Overwrite existing tiles (default to 'FALSE')

bands:

A character vector of bands to load from tiles

Details

TheiaTile$new(file.path, url, file.hash, check) Create a new instance of the class

t$download(auth, overwrite = FALSE, check = TRUE) Download the tiles of the collection and check the resulting files

t$check() Check the tiles of the collection

t$extract(overwrite = FALSE, dest.dir = NULL) Extract archive to dest.dir if supplied, or to the same directory as the archive otherwise

t$read(bands) Read requested bands, apply corrections on values (as specified in Theia's product information), and return a RasterStack

t$bands List bands available in the tile