Batch processing to remove unwanted parent tags?

[Remco Viëtor]

On dimanche 15 janvier 2017 12:44:50 CET Info Munky wrote:
> Digikam 4.12.0 on Linux Mint 18 Cinnamon
> 
> I'm considering moving from Shotwell (the simplicity of which I like) to
> Digikam, primarily because Shotwell doesn't easily allow me to
> dissociate RAW files from JPGs after import. I've been experimenting
> with Digikam, getting to grips with it and starting to really love it!
> 
> Main issue I need to resolve at the moment is how to remove parent tags
> (in my JPG metadata from Shotwell) where I have a child or children of
> that parent tag.
> 
> If my tag hierarchy is something like this...
> 
> a
>      aa
>      ab
>      ac
>          aca
> b
>      ba
> 
> ... and photo 1 has tag 'aca' set, I currently have tags 'a', 'ac' and
> 'aca' showing against the photo either in the tool tip or under the
> thumbnail. I have seen that after removing 'a' and 'ac', the photo still
> shows up in a search for either of these tags, because 'aca' is a
> descendent. So I'd like to remove 'a' and 'ac' from photo 1 to remove
> clutter when the tags are listed.
> 
> Obviously I can remove these one by one, but am wondering whether
> there's a nice script somewhere to do this on a batch basis?
> 
> Thanks

In the left sidebar, you can search for /select images by tag over the whole 
collection. Do that for your tag "aca", select all, and in the right side bar 
uncheck the tags a and ac. That should do the trick. 

It gets a bit unpleasant if you have a very large tag tree, though.