Try changing the 'input color profile' ... the 'linear XYZ' appears to
make for a reasonable starting profile, some of the other profiles may
also be of interest ... the infrared is different!!

David
(sorry I incorrectly posted this earlier to the wrong message.)

On 02/25/2017 06:45 AM, Remco Viëtor wrote:
> On samedi 25 février 2017 11:47:44 CET alex wrote:
>> I have some serious trouble using darktable with fuji's raw files. It
>> seems that certain shades of deep blue are completely oversaturated,
>> worst is blue ledlight. Rawtherapee handles the files just fine and in
>> camera jpegs are also very good but darktable is doing something strange
>> to the files. Link below contains a couple of shots and the rawfile in
>> question.
>>
>> https://www.dropbox.com/sh/7orybjumfljmt58/AACP22Pckk7mSTfITt8xFUB9a?dl=0
>>
> That's a known phenomenon, and described in the manual, and it's not limited 
> to Fuji raw files (I see it with my Sony raws as well). Iirc, it's caused by 
> DT using unconstrained values within its pipeline, and some modules don't 
> like 
> L values outside the 0..1 range. 
>
> A (partial) solution is to set gamut clipping in the "input profile" module 
> to 
> something else than off. What can also work is lowering the saturation with a 
> parametric mask limiting the effect to the intense blues.
>
> Remco
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