[Digikam-devel] [digikam] [Bug 309341] digiKam doesn't write XMP-tiff Orientation tag for raw files

Marcel Wiesweg marcel.wiesweg at gmx.de
Sat Jan 12 18:18:17 GMT 2013


--- Comment #1 from Marcel Wiesweg <marcel.wiesweg at gmx.de> ---
Metadata orientation and RAW files is a mess. At least, depending on the
As far as I know, there are RAW files where interpretation of the metadata flag
is not straightforward; it can apply to the embedded JPEG, the RAW data, or
As a result, we never read the metadata of the RAW file and apply it, but rely
on libraw to give use the picture in the proper orientation. 
- writing a changed rotation to metadata is currently explicitly disabled for
RAW files
- I can enable writing the rotation flag to a sidecar file, but it may not have
an effect for our reading the file
- it is ATM not transparent how rotation of RAW files on loading is achieved by
- I dont know how to interpret the orientation flag from RAW metadata, so I
wont know what to do with the rotation from the sidecar.

=> we'll need more information regarding the different RAW formats.

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