[Digikam-users] 2 problems tagging multiple images
philtuckey at free.fr
Thu May 29 07:01:17 BST 2014
I am still looking for the source of the problem I meet when selecting
and tagging multiple images simultaneously - a small number of the xmp
sidecars are truncated to just the first line, apparently randomly.
I tried different versions of Exiv2 to see if that changes something. Dk
3.5.0 compiled with Exiv2 0.24, 0.23, 0.22 all show the same problem. Dk
4.0.0 with Exiv2 0.24 and 0.23 also show the same problem. (Dk 4.0.0
with Exiv2 0.22 doesn't write any sidecars because Exiv2 fails on the
On 19/05/14 23:24, Phil wrote:
> I meet the following problems when tagging multiple images at the same
> time, in both 4.0.0 and 4.1.0. I don't see this problem in a 3.3.0 which
> I happen to have on another machine. Anyone else see this?
> How to generate:
> Select 10 images.
> Apply a tag to all.
> Problem 1, XMP metadata not always updated in image files:
> When writing metadata to the image files, dk occasionally omits to write
> the new XMP metadata, leaving the previous XMP metadata in the image
> file. This can be seen by for example by tag fields not being updated
> when tags are changed and applied. You have to look through the images
> one-by-one to find one or two where this has happened. (The IPTC
> metadata is always written correctly, so when this happens there is a
> difference between the IPTC:Keywords (tags) field and the various XMP
> tags fields.)
> Problem 2, xmp sidecars sometimes truncated:
> Occasionally one or more of the xmp sidecars is truncated to just its
> first line, with a size of only 39 bytes. (Use a file manager to see
> that this has happened.)
> If the problems don't show up the first time, change the tags and then
> re-apply. Over 2 or 3 cycles I always see both problems appear.
> I see this behaviour when 10 (or more) images are selected. I have not
> seen it with only 1 or 2 images selected. I haven't checked in between.
> The problems appear random. A file which has a problem the first time
> usually doesn't have it after tagging a second time.
> The problems appear to be independent, i.e. when writing metadata to
> both sidecars and image files, they don't occur together, they affect
> different images.
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