If I understand correctly, some of this may be improved in 7.2 (coming very 
soon, next week in fact)

In DSpace 7.2, the Bitstream metadata form will support IIIF metadata 
fields when IIIF is enabled for that Item.  So, you'll now see IIIF 
metadata fields like IIIF Label, IIIF Table of Contents, IIIF Canvas 
Width/Height.   See this 
PR: https://github.com/DSpace/dspace-angular/pull/1438  (if you scroll 
midway down the page there's a screenshot or two)

In DSpace 7.2, it'll also be possible to import IIIF metadata when using 
Simple Archive Format.  See the updated documentation for the "contents" 
file (which describes bitstreams in an import package): 
https://wiki.lyrasis.org/display/DSDOC7x/Importing+and+Exporting+Items+via+Simple+Archive+Format#ImportingandExportingItemsviaSimpleArchiveFormat-contentsfile
  
 It is also possible to use this import tool to *replace* existing items 
(using the --replace) flag.  However, you'd need to create a "fake" mapfile 
to pass in.

In DSpace 7.2, there's also a command-line tool to auto-populate IIIF 
canvas width/height in bulk across all images.  See 
https://github.com/DSpace/DSpace/pull/8074

Unfortunately though, there is no support for CSV import/export for 
bitstreams at this time. As you noted that's only possible for Items 
currently.

We do welcome ideas or code improvements here.  Much of this IIIF effort 
has been kindly donated by one developer (Michael Spalti).  I'm sure he'd 
appreciate it if others could collaborate in improving/enhancing the IIIF 
support.  I do realize however that not every institution has developers on 
staff to help in this way.  It is also possible to hire one of our DSpace 
Service Providers to build enhancements and give those back to the core , 
open-source DSpace product.

Tim

On Wednesday, February 2, 2022 at 10:11:53 AM UTC-6 [email protected] 
wrote:

> Bitstream files have metadata. How can I administer that, outside of the 
> web forms? Setting a description for many images is tedious or even next to 
> impossible for large numbers of files.
>
> Is there any CSV import/export support for bitstreams? All I know of at 
> present is for items and I am very pleased with those features.
>
> With the new IIIF support, many images may now be presented as slideshows, 
> using the bitstream description to describe the specific image, while the 
> item description describes what is common to the entire group.
>
> Will DSpace 7.2 add any new features to help this issue?
>

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