Cover Images on the Koha OPAC - Coce Server
In this Koha tutorial we will discuss the options for using the Coce Server to display cover images.
Koha users have several options when it comes to displaying cover images on the OPAC. Users can choose from OPACAmazonCoverImages, GoogleJackets, OpenLibraryCovers, which are free. Or paid services, like Baker and Taylor cover images or SyndeticsCoverImages.
The Coce Server was introduced in the 3.20 release of Koha.
When Coce is enabled it will look at three services: Amazon, Google and Open Library. It matches the ISBN in the MARC record (020 field) and finds the best match out of those 3 services.
If a book cover is not available from a provider, but is available from another one, Koha will be able to display a book cover. Amazon book covers are retrieved with Amazon Product Advertising API, which means that more covers are retrieved (ISBN13).
The first searches on coce won’t return images – meaning the first time an item is requested in coce, if it hasn’t been cached already, it doesn’t come up, but does for all subsequent request.
Currently, you can’t rank which service it looks at first, Coce sends the first available URL.
To enable Coce go to Administration –> System Preferences –> Enhanced Content
Note: If Coce is enabled, make sure to select Don’t show or Don’t Add for the following system preferences OPACAmazonCoverImages, GoogleJackets, or OpenLibraryCovers. If both are enabled, you will get multiple images on the OPAC.
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Read more by Jessie Zairo