Reciprocal relationships

[sammeltassen]

Across the site, the same images are sometimes used for articles, objects and exhibitions.

Currently these relationships are tracked with the delft-image-source script as part of the iiif-hss process. They are made visible in the interface on exhibition pages and in article illustrations.

These relationships should also appear on the object page, beneath the collections the object is part of. They could also be encoded in the IIIF Manifest itself.

It also seems that the link to the source object is not visible when touring a mixed-media canvas in an exhibition. It should appear for each of the describing annotations (that targets a painting annotation), and only if a corresponding object exists of course.

[sammeltassen]

Comment expanded from this PR:

Analysis of the code in CanvasPreviewBlock.tsx:

• An objectlink component is expected but where is this added?
• The objectLinks are passed to the tour steps, but not passed on to the VisibleAnnotationsListingItem component
• Instead the missing (?) components are rendered here

This needs to be added somewhere:

objectLinks.map(link => {
  return {
    ...link,
    component: <Link href={ ... }>View object</Link>
  };
})

I think there are two scenarios:

• Single painting annotation: in this case the View object link should be added directly beneath the canvas summary
  • Example: Book page in Rise of a Campus. Image ID: https://dlc.services/iiif-img/7/6/861ce3b7-9b65-48fa-840f-8ff5534939c6
• Multiple painting annotations: in this case the View object link should be added to the annotation list beneath the annotation summary
  • Example: Object photo in Irrigation knowledge. Image ID: https://dlc.services/iiif-img/v3/7/18/10bfae28-5365-444c-b884-0442f593f7a6

For the last example it seems that iiif-hss has not created the link (see output). Does it process the image IDs of canvasses with multiple painting annotations?

[sammeltassen]

Example of not working relationship between objects and articles:

• This photograph...
• ...is used in this article