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About requesting single file dissemination online (1 GB file size limit)

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Find information about requesting single file-by-file dissemination online.

The Digital Archive can disseminate a single file up to 1 GB in size to a web browser. In order to request a single file dissemination, you construct a URL based on the unique identifying elements of the file.

Fees

There is no fee for a single-file dissemination. These online disseminations are counted in the monthly Storage and Activity Report for your collections in the archive.

Configuring a single file dissemination URL

Construct a URL for a file from these elements:

  • ROOT: http://worldcat.org/digitalarchive/content/
  • Server name: /<server> [for example: 12345.contentdm.oclc.org]
  • Institution identifier: /<OCLC symbol> [for example: /XYZ]
  • Collection Name: /<collection name> [for example: /myCollection]
  • Volume ID: /<volume ID> [for example: /myVolume1]
  • File Name: /<file name> [for example: /myFile1.tif]

Altogether, using the examples shown in the list above, this URL looks like this:

http://worldcat.org/digitalarchive/content/server12345.contentdm.oclc.org/XYZ/myCollection/myVolume1/myFile1.tif

For CONTENTdm users, the Digital Archive URL for single file dissemination can be managed in CONTENTdm Administration using Full Resolution settings and Volume Location settings. As you uploaded content to your CONTENTdm server in a collection with Full Resolution enabled, the Acquisition Station transmitted both the VolumeID and the File Name to the FullRes metadata field for each file uploaded. In CONTENTdm Administration, you can edit the Full Resolution Volume List “Location” field and enter the first part of the URL above (ROOT, Institution identifier, Server Name, Collection Name, VolumeID).

Instructions for managing Volume list locations are in CONTENTdm Help see Archiving Full Resolution Images. Entering this information once for each archival volume produces a URL for each file in the collection.

If you edited the full resolution volume location and set the Full Res metadata field to “viewable,” the metadata for the item in CONTENTdm shows a live hyperlink to the archived file.