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OCLC Support

Image display in WorldCat Discovery

Learn about image display in WorldCat Discovery.

Cover art

OCLC does not load cover art for individual titles due to the large volume of titles covered in WorldCat, but instead we load large files from the following providers:

    • Baker & Taylor
    • Firebrand
    • Nielsen
    • TiVo

View thumbnails from digital repositories synced through WorldCat Digital Collection Gateway

Collections from CONTENTdm and other OAI-PMH compliant digital repositories which have been synced through WorldCat Digital Collection Gateway will display a thumbnail image in the brief results and detailed view in WorldCat Discovery.  For more information on syncing your collection, see Digital Collection Gateway.

Digital repository Required fields/subfields to display thumbnail in WorldCat Discovery 
CONTENTdm
  • 856 y contains the text thumbnail image of
  • 856 u contains a URL
  • 1st indicator is 4
  • 2nd indicator is 0

WorldCat Discovery will use the URL in the 856 u to display as the thumbnail.

Other OAI-PMH compliant digital repositories
  • 856 3 contains the text thumbnail image of
  • 856 u contains a URL
    • URLs must be https
  • 1st indicator is 4
  • 2nd indicator is 0

WorldCat Discovery will use the URL in the 856 u to display as the thumbnail.

View images from CONTENTdm digital repositories

Engage with images from CONTENTdm digital repositories using OpenSeadragon, an International Image Interoperability Framework (IIIF) viewer.

To qualify for viewer use, the image and CONTENTdm repository must meet the following qualifications:

  • Originate from a hosted CONTENTdm site
  • Images must be saved with IIIF enabled in the CONTENTdm repository
  • Have been synced through Digital Collection Gateway to create a citation in the WorldCat database
  • CONTENTdm hosted sites with custom domains must have a valid https certificate on file with OCLC

Click the expand icon on images that qualify for OpenSeadragon viewer use:

contentdm_expand_image.png

Selecting the expand icon will open the image in the OpenSeadragon viewer as a modal.  Options in the viewer include: 

  • Zoom In
  • Zoom Out
  • Return to original size image
  • Display in Full Size screen mode
  • Rotate left
  • Rotate right

contentdm_viewer.png

 

 

 

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