[Digikam-devel] [Bug 289181] raw processor rotates images without Orientation EXIF tag

[Gilles Caulier]

https://bugs.kde.org/show_bug.cgi?id=289181





--- Comment #7 from Gilles Caulier <caulier gilles gmail com>  2011-12-18 09:19:39 ---
Ok, i tested result here with your image : It's the same in icon view.

I tested with my Sony DLSR, it's the same with device autorotation settings.

The problem is not with RAW converter. Look in metadata TIFF orientation tag is
the same  than CR2. If you disable thumb autorotate option from digiKam/metadta
config dialog, TIFF will not be rotated

The problem is about RAW preview image where we don't have any relevant
information about rotation angle. The real image rotation information is not
the same. It'is issue,s a big puzzle.

The RAW preview is not taken from RAW data. It's an embedded JPEG image in RAW
file. And orientation of this preview is not the same than RAW image, due to
your change of your camera orientation settings.

To solve this issue digiKam must be able to rotate thumbs independently of real
image data. There is already a report in digiKam bugzilla about this subject...

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