On Fri, May 19, 2017 at 6:16 PM, Swee Oon <[email protected]> wrote:
> I am having this strange problem with darktable and my Canon EOS 6D. Below
> is a description of the problem.
Which darktable version?

The problem is either the wrong white balance being read (is that RAW HDR?),
or wrong black/white levels being read.

> I shot a photo with 9 multiple exposures (averaged) layered on the same
> image using my Canon 6D at ISO 50 (camera's "L" setting). The preview was
> fine when I viewed it on the back LCD screen of the camera.
>
> The file imported OK into darkroom. The preview in the lighttable module
> looked fine. However, when I go into the darkroom module, there is a strong
> magenta cast over the photo. If I exit the darkroom module back into the
> lighttable module, the preview image again looked fine. In order for
> darktable's darkroom image of the file to look like the lighttable preview,
> I had to turn off the white balance module inside the darkroom!
>
> Here is a link to an example of the problem CR2 file I encountered. It is
> about 24MB in size. Can someone with the darktable development team please
> look at them. The problem feels like a bug of some sort in darktable's
> darkroom module.
>
> --
> cheers,
> Swee
Roman.

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