[Ron Schemen]

Thanks for clearing that up for me.
I assumed the keywords were hierarchical since when I select a child keyword in the tree, the parents are added automatically to the keyword list.

[Ron Schemen]

Regarding structured keywords and the xmp sidecar file, I notice that the tag lr:hierarchicalSubject is not used by Nitro.

Searching on the web, I found the info below in a discussion regarding hierarchial/structured keywords in XMP sidecar files :
https://forum.dxo.com/t/photolab-8-and-xmp-keywords/50638

  <dc:subject>
   <rdf:Bag>
    <rdf:li>Fruit</rdf:li>
    <rdf:li>Orange</rdf:li>
    <rdf:li>Satsuma</rdf:li>
   </rdf:Bag>
  </dc:subject>
  …
  <lr:hierarchicalSubject>
   <rdf:Bag>
    <rdf:li>Fruit</rdf:li>
    <rdf:li>Fruit|Orange</rdf:li>
    <rdf:li>Fruit|Orange|Satsuma</rdf:li>
   </rdf:Bag>
  </lr:hierarchicalSubject>

The rules state that all components of a hierarchy must be written, separately, to the dc;subject tag, along with any other standalone keywords.
Then the lr:hierarchicalSubject tag should contain the full “paths” of all levels in the hierarchy, delimited by |

[Ron Schemen]

Hello Nik,

Sorry for the double posting, I got an error after the first submit.
I have looked at handling of XMP keyword synonyms by other metadata editing applications and only a very few do support them.
So it is not a big deal.

[Ron Schemen]

Hello Nick,

Thanks for looking at it.
Can it be that a Synonym of a keyword is not recognised as such ?
Below is a part of a structured keyword list I’m building and the synonym between {} does not seem to be recognised as such, but is displayed as a normal child of ‘Buiten Ee’.
Below is a screenshot of Photomechanic that displays the cild item {Bûten le} as a child with a different colour. When selected, the synonym is just added after the parent to the keyword list.
Sudwest-Fryslãn
Buiten Ee
{Bûten le}
Gaasterland

See https://docs.camerabits.com/support/solutions/articles/48001144666-adding-keyword-metadata-to-photos#Vocabulary-File-Format

[Ron Schemen]

Hello Nick,

Thanks for looking at it.
Can it be that a Synonym of a keyword is not recognised as such ?
Below is a part of a structured keyword list I’m building and the synonym between {} does not seem to be recognised as such, but is displayed as a normal child of ‘Buiten Ee’.
Below is a screenshot of Photomechanic that displays the cild item {Bûten le} as a child with a different colour. When selected, the synonym is just added after the parent to the keyword list.
Sudwest-Fryslãn
Buiten Ee
{Bûten le}
Gaasterland

See https://docs.camerabits.com/support/solutions/articles/48001144666-adding-keyword-metadata-to-photos#Vocabulary-File-Format

[Ron Schemen]

Hello Nick,

Yes, that is how Photomechanic and other metadata applications behave, in order to preserve the hierarchy.
When I activate the ‘keyword tab’, do not even change anything and leave it, it also sorts and writes the sorted keywords to the xmp sidecar file.
Just editing a photo and not activating the ‘keywords tab’ leaves the order of the keywords intact.

[Ron Schemen]

Thanks for the structured keyword feature that has been added.
Would it be possible to add an option to not sort keywords when displaying and writing to the XMP sidecar files ?
When I search the keyword list and select a keyword, the parent keywords in the hierarchy are added, as they should be as the list is structured.
However, when keywords are displayed, they are sorted, and they are also sorted when written to the XMP sidecar file, and thus removing the structure of the keywords.

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