Overview

PDS Document objects are page-turned objects that can be delivered by the DRS Page Delivery Service (PDS). Each object can be composed of multiple files, each representing either a page image, a page text or (optionally) the page text together with the layout (ALTO files).

All PDS Document objects automatically get assigned public delivery service URNs, which resolve to the Page Delivery Service (PDS) URLs. By default, individual files within a PDS Document object do not automatically get assigned public delivery service URNs. IDS delivery URNs may be requested for page images with role "deliverable" by checking this option in object/object template optional metadata panel. Page-level and section-level PDS URNs may be requested after deposit using the Web Admin structure editor.

Accepted Formats

PDS Document objects can contain files in the following formats:

Page Image

• JPEG 2000 JP2 image files (file extension: jp2)
• JPEG File Interchange Format image files (file extension: jpg)
• Graphic Interchange Format (GIF) image files (file extension: gif)
• Tagged Image File Format (TIFF) image files (file extension: tif or tiff)

Page Text

• Plain UTF-8 encoded text (file extension: txt)

Page Layout

• Extensible Markup Language (XML) Files (file extension: xml)

The file extensions noted above are mandatory.

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