Intern:Archive/Direct download interface

With the Direct Download Interface (DDI) custom retrievals can be created to download specific metadata tables just by a link on any web page. The content of the list will always reflect the most recent content of the system whenever the link is used.

In order to use the DDI, open the Advanced Retrieval Tool, ART, and
 * Choose the table of interest.
 * Define a retrieval on the 'Retrieval card'.
 * Define or adjust the configuration on the 'Config card'.
 * To assure that the retrieval returns the desired results, test it by pressing the 'Fetch' button.
 * Save the retrieval and the configuration with the 'Save' button on the 'Retrieval' card, resp. the 'Config' card. Give appropriate, identical file names, keep the extensions '.retr' and '.conf'.
 * You can reuse your retrieval anytime you need it with the 'Load' buttons on the 'Retrieval' card and the 'Config' card or mail it.
 * Copy both files into a designated folder on your webserver.
 * Create an URL using the following syntax: http://www.Pangaea.de/ddi?request= /&format=&login=
 * request: specifies the filename without extension.
 * format (opt): specifies the format (text or html;
 * textfile: requests for a filename for Save as or you can add a filename between the ‘ddi’ and the ‘?’: e.g. .../ddi/Filename.tab?request=... (use *.tab as extension).
 * login (opt): displays a login prompt before downloading data to enable password protection to unpublished data.

Detailed documentation of ddi: http://www.pangaea.de/shared/help/help.php/directdownload/