http://digikam.185.s1.nabble.com/Processing-RAW-images-to-get-to-the-look-of-the-jpg-preview-tp3609237p3622179.html
It´s too bad that the saved curve not can be recalled in batch cue. I
> on Friday 24 June 2011, Sven Burmeister wrote:
>> Am Donnerstag, 23. Juni 2011, 11:48:20 schrieb Martin:
>>> I don't think your problem is gamma only. The gamma curve only depends
>>> on the colour model you use to view the picture (sRBG, Adobe RBG,
>>> Apple RGB ...). It should almost never be necessary to adjust this by
>>> hand. But I have no clue what the problem of digikam is here.
>> Could you please try the digikam demosaicing tool with highlights set to
>> "blend" or "rebuild". I tried to avoid the gamma setting (1,7) but while it
>> works without gamma and adjusting the luminosity curve for most parts of the
>> picture, areas that are almost black (dark blue) remain far too dark. If I
> use
>> gamma it works better. So I wonder how it could be done without.
>>
> Iirc, Digikam (at least in certain modes) develops the RAW files with a linear
> curve (i.e. gamma=1.0), like dcraw in its default settings. So you will have
> to set gamma to the value you want (2.2 usually, except for old Macs, that
> used 1.8). Luckily, the values you set is remembered for next use.
>
> Remco
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