get_mod_dirs: Get list of MODIS data folders from http server

In MODIStsp: Find, Download and Process MODIS Land Products Data

Get list of MODIS data folders from http server

Description

Accessory function to get the full list of directories on the lpdaac http site containing data included in the time range selected for processing (modified after Barry Rowlingson function):

Usage

get_mod_dirs(
  http,
  download_server,
  user,
  password,
  yy,
  n_retries,
  gui,
  out_folder_mod
)

Arguments

http	character http site on lpdaac corresponding to the selected MODIS product
download_server	character ["http" | "offline"] download service to be used; if NA, the script tries to download with http.
user	character username for earthdata http server
password	character password for earthdata http server
yy	character Year for which the folder containing HDF images are to be identified
n_retries	numeric number of times the access to the http server should be retried in case of error before quitting, Default: 20
gui	'logical“ indicates if processing was called from the GUI environment or not. If not, processing messages are sent to a log file instead than to the console/GTK progress windows.
out_folder_mod	character output folder for MODIS HDF storage

Value

⁠character array⁠ listing all available folders (a.k.a. dates) for the requested MODIS product on lpdaac http archive, for the years included in the time range selected for processing.

Note

License: GPL 3.0

Author(s)

Original code by Babak Naimi (.getModisList, in ModisDownload.R) modified to adapt it to MODIStsp scheme and to http archive (instead than old FTP) by:

Lorenzo Busetto, phD (2014-2017)

Luigi Ranghetti, phD (2016-2017)

MODIStsp documentation built on Oct. 13, 2023, 5:11 p.m.