Stacks: Stack files by dc:identifier

[EricMyhrer]

1. What is not working as documented?

Images are not stacking at all. Both Unique ID and Sequential Name options are turned on. Seems similar to #576, but my files are closely named

These images do not get put into a stack

Filename examples:
111353204_p0.xmp
111353204_p1.xmp
111353204_p0.jpg
111353204_p1.jpg

111353204_p0.xmp dc:identifier="111353204"
111353204_p1.xmp dc:identifier="111353204"

In fact, the xmp sidecars are identical aside from filename.

2. How can we reproduce it?

Steps to reproduce the behavior:

1. Move files via ftp or command line, etc
2. Start an index
3. Check Library->Stacks to see no images stacked

When reporting an import, indexing, or performance issue, please include the number and type of pictures in your library, as well as any configuration options you have changed, such as for thumbnail quality.

3. What behavior do you expect?

For these images to be staacked

4. What could be the cause of your problem?

No idea.

5. Can you provide us with example files for testing, error logs, or screenshots?

Filename examples:
111353204_p0.xmp
111353204_p1.xmp
111353204_p0.jpg
111353204_p1.jpg

111353204_p0.xmp dc:identifier="111353204"
111353204_p1.xmp dc:identifier="111353204"

Log file example:

2024-03-09 23:24:18 INFO indexing completed in 7 s

2024-03-09 23:24:18 INFO index: updated 4 files [7.329822166s]

2024-03-09 23:24:17 INFO index: stacked related xmp file 116712697_p0.xmp

2024-03-09 23:24:17 INFO index: added main png file 116712697_p0.png

2024-03-09 23:24:17 INFO index: stacked related xmp file 116712697_p1.xmp

2024-03-09 23:24:17 INFO index: added main png file 116712697_p1.png

2024-03-09 23:24:17 INFO index: matched 1 label with 116712697_p1.png [3.092411089s]

2024-03-09 23:24:14 INFO media: 116712697_p0.png was taken at 2024-03-10 04:23:33.85586975 +0000 UTC (file birth time)

2024-03-09 23:24:14 INFO media: 116712697_p1.png was taken at 2024-03-10 04:23:33.779870866 +0000 UTC (file birth time)

2024-03-09 23:24:14 INFO media: created 12 thumbnails for 116712697_p0.png [638.673368ms]

2024-03-09 23:24:14 INFO media: created 12 thumbnails for 116712697_p1.png [463.485427ms]

2024-03-09 23:24:13 INFO index: found no .ppignore file

2024-03-09 23:24:13 INFO classify: loading labels from labels.txt

2024-03-09 23:24:10 INFO classify: loading nasnet

2024-03-09 23:24:10 INFO indexing originals...

6. Which software versions do you use?

(a) PhotoPrism Architecture & Build Number: AMD64, ARM64, ARMv7,...
Build 231128-f48ff16ef

(b) Database Type & Version: MariaDB, MySQL, SQLite,...
https://github.com/truecharts/charts/tree/master/charts/stable/photoprism

(c) Operating System Types & Versions: Linux, Windows, Android,...
TrueNAS-SCALE-23.10.1.3

(d) Browser Types & Versions: Firefox, Chrome, Safari on iPhone,...
Firefox 123.0.1

(e) Ad Blockers, Browser Plugins, and/or Firewall Software?
None

7. On what kind of device is PhotoPrism installed?

This is especially important if you are reporting a performance, import, or indexing issue. You can skip this if you're reporting a problem you found in our public demo, or if it's a completely unrelated issue, such as incorrect page layout.

(a) Device / Processor Type: Raspberry Pi 4, Intel Core i7-3770, AMD Ryzen 7 3800X,...

Intel(R) Core(TM) i7-10700K CPU @ 3.80GHz

(b) Physical Memory & Swap Space in GB

32GB

(c) Storage Type: HDD, SSD, RAID, USB, Network Storage,...

Western Digital 12TB WD

(d) Anything else that might be helpful to know?

N/A

8. Do you use a Reverse Proxy, Firewall, VPN, or CDN?

No

[graciousgrey]

Thanks for your feedback!

I assume the files are not stacked because your naming pattern is not considered sequential by PhotoPrism. You can find examples of supported patterns in our documentation.

https://docs.photoprism.app/user-guide/settings/library/

Is this a custom pattern you are using or are these names created by another tool?

Regarding stacking by unique identifier, we currently stack by Unique Image ID (Exif), Document ID, or Instance ID (XMP). In a future version, we may be able to add stacking by dc:identifier.