On Mon, Jul 31, 2017 at 5:59 PM, Laurent Latxague <bert...@free.fr> wrote:

> I'm currently using DT 2.2.5, and the compressed DNG + the JPEG associated
> files are directly copied from the SD card to the computer.
>
> I first imagined those files corrupted in one way or another, but
> RawTherapee on the other hand is indeed able to open them...
>
 Aha, interesting,
https://redmine.darktable.org/projects/darktable/issues/new + attach one of
such images...

What's the reason for the low quality thumbnails BTW ?
>
Well, they are thumbnails, *thumb* *nails*, very small, pretty fast :)


> Le 31/07/2017 à 16:18, Roman Lebedev a écrit :
>
> On Mon, Jul 31, 2017 at 5:04 PM, Laurent Latxague <bert...@free.fr> wrote:
>
>> Hello !
>>
> Hi.
>
>> I have never experienced any problems with my former cameras (Canon 5D
>> II, III, Fuji X-Trans) in DT, but since I switched to Leica some things are
>> going wrong...
>>
> Which dt version?
>
>> (1) Generally speaking, Leica support seems rather poor in DT, hence my
>> first disappointment (I recently purchased a used M typ 240). No lens
>> support for example for the lens correction module. BTW how can I
>> contribute as a user to help in this way ? (I read the following page
>> https://raw.pixls.us/ but there is already a M240 picture, so what ?)
>>
> Lens correction is lensfun problem, http://lensfun.
> sourceforge.net/lenslist/ http://lensfun.sourceforge.net/calibration/
>
>> (2) All DNG pictures appear strongly pixellized (with ctrl-Z in the
>> lightable) contrary to my CR2 or RAF files
>>
> That only shows low-quality thumbnail, so it is kind-of expected.
>
>> (3) A few DNG pictures (actually one picture for the moment) can't be
>> loaded in the darkroom, a message says that the white balance cannot be
>> read from the camera, and then DT freezes...
>>
>> (4) Some thumbnails (2 actually and always the same ones despite several
>> imports of the original files) appear as skulls...
>>
> That is the same problem.
> Are those DNG straight out of camera, or?
>
>> (5) Last, but not least the above 3 "faulty" files appear flawlessly...
>> in RawTherapee ! Very irritating since I don't intend to move to RT...
>>
>> Any help or suggestion please ?
>> TY in advance ! --
>>
> Roman.
>
>
>> --
>>
>>
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>>
> Roman.

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