[Digikam-users] lenscorrection from batch queue doesn't work for canon powershot g1x

[Gilles Caulier]

2014-08-19 9:47 GMT+02:00 Torsten Bronger <bronger at physik.rwth-aachen.de>:
> Hallöchen!
>
> Joachim Ullrich writes:
>
>> [...]
>>
>> I had to correct the lensfun data in compact-canon.xml because the
>> camera id as it written to the exifdata is "G1 X" whereas lensfun
>> has a definition for a "G1X" (no space).
>
> This is odd.  Lensfun splits the name into three so-called words:
> "G", "1", and "X".  Thus, "G1 X" and "G1X" are equivalent to
> Lensfun.  Maybe DigiKam doesn't use Lensfun's lookup function and
> does its own matching?

digiKam get camera make and model from Exif or XMP.

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/dimg/filters/lens/lensfuniface.cpp#L225

After that it pass these value to Lensfun to check if calibration data
are available.

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/dimg/filters/lens/lensfuniface.cpp#L141

You will see some rules to handle special camera model here :

https://projects.kde.org/projects/extragear/graphics/digikam/repository/revisions/master/entry/libs/dimg/filters/lens/lensfuniface.cpp#L238

Perhaps this is needs for your "G1 X"

Gilles Caulier