[digiKam-users] dk 6beta2 portrait orientation problems

Maik Qualmann metzpinguin at gmail.com
Wed Oct 17 07:03:40 BST 2018


And your RAW images that you have already loaded with digiKam-5.9.0, are also 
some of images rotated?

Maik

Am Mittwoch, 17. Oktober 2018, 02:12:47 CEST schrieb digikam at 911networks.com:
> On Tue, 16 Oct 2018 23:24:29 +0200
> 
> Maik Qualmann <metzpinguin at gmail.com> wrote:
> > Does the problem only occur with RAW files taken in B&W?
> 
> No, it also happens with RAW files in colour. It happens with Pentax
> (PEF), Pentax (DNG), Canon (CR2) and Fuji (RAF).
> 
> I usually (not always) shoot RAW with B&W/Monochrome preview (about
> 50%-to-60% of the time). The other 40% to 50%, the preview is colour.
> 
> I never do JPEGs directly.
> 
> Thanks
> 
> Syv
> 
> > Maik
> > 
> > Am Dienstag, 16. Oktober 2018, 22:29:52 CEST schrieb
> > 
> > digikam at 911networks.com:
> > > Further info:
> > > 
> > > The rotating is done by DK6beta2
> > > 
> > > 1. I copied a all bunch of files into one of the directory
> > > "watched" by DK6b2, including about 30 images in portrait
> > > orientation 2. DK6b2 first displayed the thumbnail in the
> > > portrait orientation 3. after a few seconds DK6b2 processed these
> > > images and rotated them 1 by 1 to landscape.
> > > 
> > > I'm not using DK for any image processing, I'm using Rawtherapee.
> > > Is there a way of disabling image processing in DK?
> > > 
> > > Thanks
> > > 
> > > Syv
> > > On Tue, 16 Oct 2018 07:41:14 +0200
> > > 
> > > Gilles Caulier <caulier.gilles at gmail.com> wrote:
> > > > Hi,
> > > > 
> > > > Welcome to the RAW shot world. You problem is well know, as you
> > > > have post processed the CR2 files in your camera to rotate the
> > > > preview in right orientation while previewing photo.
> > > > 
> > > > When you touch orientation of preview with camera, this do not
> > > > change the RAW data but the JPEG preview image embedded inside
> > > > the file.
> > > > 
> > > > The problem is : the JPEG image has no Exif info attached
> > > > (where we found the orientation information in standard). The
> > > > only information oabout orientation come from standard Exif
> > > > from RAW metadata. Both image are different as you post-process
> > > > orientation with camera. So now, digiKam is lost.
> > > > 
> > > > Perhaps this information from Canon JPEG preview can be taken
> > > > from private RAW makernotes, i don't know.
> > > > Another solution will be to render the thumbnail with RAW data
> > > > (using a simplified demosaicing to prevent time latency).
> > > > 
> > > > I would to know how software render the CR2 preview here ?
> > > > Aperture, LR, etc...
> > > > 
> > > > Best
> > > > 
> > > > Gilles Caulier
> > > > 
> > > > Le mar. 16 oct. 2018 à 02:09, <digikam at 911networks.com> a
> > > > 
> > > > écrit :
> > > > > Correction:
> > > > > 
> > > > > It's not all the portrait orientation images that are
> > > > > rotated, but the vast majority are, see:
> > > > > 
> > > > > https://i.imgur.com/W5bNhcM.png
> > > > > 
> > > > > Thanks
> > > > > 
> > > > > Syv
> > > > > 
> > > > > .......................
> > > > > 
> > > > > Converted yesterday from dk5.9 appimage to dk6beta2 appimage.
> > > > > 
> > > > > I just noticed a problem: all my portrait orientation images
> > > > > are sideways:
> > > > > 
> > > > > https://i.imgur.com/rx6EMNX.png
> > > > > 
> > > > > How to deal with that?
> > > > > 
> > > > > --
> > > > > sknahT
> > > > > 
> > > > > vyS







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