[Digikam-devel] [Bug 134486] Keywords are not written to raw files even though they do embed iptc/exif

Gilles Caulier caulier.gilles at gmail.com
Tue Aug 19 09:21:15 BST 2008


http://bugs.kde.org/show_bug.cgi?id=134486





--- Comment #7 from Gilles Caulier <caulier gilles gmail com>  2008-08-19 10:21:14 ---
Hi all,

I have good news about this report. Current svn implementation of Exiv2 (next
0.18 release) start to support writting mode to RAW file based on TIFF/EP
format.

The first RAW file supported are DNG (Adobe), NEF (Nikon) and PEF (Pentax).

Others will come later of course, but we need help with Exiv2 project to
improve it (tests, reports, etc...)

I CC below the Andreas Huggel message from Exiv2 mailing list for details:

// ----------------------------------------------------------------

After some more tweaking, exiv2 can by now successfully write to
standard TIFF, TIFF/EP, DNG, NEF and PEF images. SR2 works almost
(parts of the makernote are lost) while writing to ARW images will
still corrupt the picture.

"Writing to the image successfully" means that after modifying or
adding any metadata, incl IPTC and XMP, the image structure as
reported by exifprobe is intact and it is possible to view the image
using ufraw or digiKam without any new errors or warnings.

However, I have no proprietary RAW viewer software to test with and
only a very limited number of sample images for these TIFF-like RAW
formats.

So please go ahead and do your own tests and report your successes and
problems here.

Andreas

// ----------------------------------------------------------------

Thanks in advance for your help

Gilles Caulier


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