Creating thumbnails for existing Books (PDFs) and making books viewable on the browser DSPACE

[Wanangwa Nyirenda]

Hello there follow users. I am having a hard time creating thumbnails for the existing books in my repository. But any new books being uploaded are automatically given a thumbnail. I would also like to make it so that users can view books on the browser directly and not just automatically download books.

Any help will be greatly appreciated,

Wanangwa.

[DSpace Technical Support]

Hi Wanangwa,

To add a thumbnail to an existing item, you'll need to upload it as a bitstream under the Thumbnail bundle (See Edit Bitstream documentation).  Is there a particular step in there that has not been working?

Alternatively if you need to auto-generate thumbnails for many existing items, you could look into the media filters script.  There are several filters for creating thumbnails based on PDFs. 

Last, there is not currently a PDF viewer integrated with DSpace.  There is an implementation that is under review, and could theoretically become a part of the 10.0 release (but that is still unknown, not guaranteed). 

Hope that helps you get started,

-Lia

[Walk, Martin]

Hi Wanangwa,

you can also trigger the media-filter (responsible for generating thumbnails) for a single item or a collection/community from within the DSpace web interface:

- Go to “Processes”
- Create a new process by clicking “+ New”
- Choose “filter-media”
- Add a parameter “--identifier” to identify the item or collection you want to generate thumbnails for by their handle.
- Optionally you might restrict the media filters with the “--plugins” parameter

Best regards,
Martin

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