Hi, John.

I'm only familiar with specifying thumbnails during batch upload using
SAFBuilder (ie, in the CSV, see the wiki below for how to specify the
bundle):

https://github.com/DSpace-Labs/SAFBuilder
https://github.com/DSpace-Labs/SAFBuilder/wiki

Otherwise, I usually just manually delete the "thumbnail of a
thumbnail" that is created when a user has uploaded a thumbnail into
the ORIGINAL bundle during item submission. I've got a note on my todo
list to find a way to batch delete all of these somehow some day.

On Mon, Aug 8, 2016 at 8:25 PM,  <[email protected]> wrote:
> Hi there,
>
> We run DSpace 5.0 with the XMLUI interface and a custom theme based on
> Mirage2. We use org.dspace.app.mediafilter.JPEGFilter as a scheduled task to
> automatically generate thumbnails
>
> Recently, we added a new collection which already contains manually added
> thumbnails. We would like these existing thumbnails to display for items in
> this collection rather than automatically generated ones. However, when
> DSpace generates an automatic thumbnail, it displays in place of the
> existing thumbnail. The existing thumbnail does still remain a part of the
> item's thumbnail: bundle.
>
> Is there any way to tell DSpace to prefer manually-added thumbnails where
> they exist? Or would it be better to use the "skip mode" of the media filter
> to tell DSpace not to generate any new thumbnails for this particular
> collection?
>
> Thanks very much for any suggestions,
> John
>
> John Dingle
> Digital Services and Liaison Librarian
> Brock University
>
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