[digiKam-users] Metadata in PNG files
marcpalaus at hotmail.com
Wed Apr 24 20:11:16 BST 2019
I have noticed that there is something funny with metadata in PNG files.
I sometimes use the exiftool command to edit metadata (mainly add or correct
dates to pictures). I can write and read the metadata from PNG files using
that command, and the metadata seems to be saved correctly.
However... digikam does not see that metadata. It's like there is nothing in
it. BUT, it can write its own metadata to the same PNG file.
So, both digikam and exiftool can write and read metadata from PNG files,
but that metadata must be stored in two different places, because a picture
can contain both entries, one for the exiftool metadata, and another for
digikam metadata, and can only be read by each program respectively. And I
am not talking about Exif, XMP or IPTC. Both of them are Exif.
So, what's going on? Is this normal?
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