Open Topography/National Map Batch Download
Manipulation option on the download menu. This avoids
IT policy that prevents programs like the USGS BDA program
- Pick the TXT file with the list of files to download.
- Pick (or create a new) directory for downloaded files.
- Files will be downloaded. If you must turn off the program, it can
resume where it left off automatically. If the file is already in the
download directory, it will not download again.
- You can track progress, with the file count and the file name, and the
success or failure.
- Some files may be missed, which may be a function of the server policies
where you are downloading. You should check that you got the number of
files expected, and if not, rerun, which will not download any files you
already have. You might have to restart the program.
- Uncompress the files if needed for LAZ or
USGS TNM Download site: This works directly with the CSV
file exported from the web site.
- Pick data set you want on the web site.
- Pick the bulk download option.
- Get the HTML source for the page, and save it in a file. Saving as
text, or copying to page source, does not get the links.
- Extract the links from the file using Data
Manipulation Edit, Extract file
- You might have to remove the first line, which may be to the
- You might have to remove extraneous HTML in the links.
- Save file with TXT extension.
- Follow the procedure at the top of the page.
- You can delete the .lax files, since MICRODEM does not use them
This might work with other data sets, if you can get a similar listing of the
files to be downloaded. You can copy the file list from the web page into
a spreadsheet, and then add the path (using the concatenate function in Excel), and export a text file.
Last revised 11/16/2018