https://bugs.kde.org/show_bug.cgi?id=318357 Bug ID: 318357
Summary: regexp based image grouping
Classification: Unclassified
Product: digikam
Version: 3.1.0
Platform: Other
OS: All
Status: UNCONFIRMED
Severity: wishlist
Priority: NOR
Component: Albums GUI
Assignee:
[hidden email]
Reporter:
[hidden email]
Hi.
It seems that one can already group images together in digikam, but this
happens only manually (e.g. selecting them and then tell it to group them).
What I'd like to see is regular expression (ideally PCRE) based grouping rules.
Perhaps even on a per folder basis (maybe with subfolders inheriting the rules
from parent folders, if none are explicitly set or cleared).
WIth that one could easily do things like:
a) Group images:
foo\..+
b) a) Group images:
foo\.raw
foo\.jpeg
foo\.jpg
but no others
c) Group images:
foo\..+
but not
foo\.png
d) mightier things like, group
foo(-.+|).*
which I'd find handy cause I use about the following system:
The base image (typically the raw) is called after it's SHA1, e.g.
c5da46c6497eebe7634a6a02279490e9bbcb5efe.raw
images derived from it (e.g. JPEGs) have some string attached
c5da46c6497eebe7634a6a02279490e9bbcb5efe-foobarWhatever.jpeg
Now two problems come up.
1) Obviously we can't write "foo" in the regexps to mark the characters that
should be identical on all grouped images.
I would probably solve this by adding a field, which of the subpatterns (i.e.
the stuff in "(...)" ) needs to be identical.
This way one could e.g. write:
"^(.*)\.(jpeg|jpg|raw)$";1
To tell, for a file to be grouped, subpattern 1 must be identical and apart
from that any file ending with a dot . and jpeg, jpg or raw.
Or my example above with the hashsums:
"^(.*)(-.+|)\.(jpeg|jpg)$";1
To tell, for a file to be grouped, subpattern 1 must be identical, and either
followed by a dash - and one or more arbitrary characters (or by nothing)...
and then followed by a dot . and followed by some extensions.
2) There need to be a way to select the "primary" image, i.e. those which is
opened to be viewed, or from which tumbnails are created, etc.
Either one could do this by another regexp and/or by file flags like "most
recently created/modified".
Of course all that would be quite a complex system, on the other hand I think
it would be worth it, as it allows for very mighty grouping mechanisms to be
used.
Cheers,
Chris.
Reproducible: Always
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