Hi everybody,

I discovered that there are three "image" sizes in darktable (sizes with
Canon 40D's cr2):
(a) 3944x2622 which is showed in the information panel => it is in fact the
sensor size (and maybe at some point an image size, but I never saw it in
darktable) ;
(b) 3908x2602 is dt image size (when using the crop module or exporting to
jpg) ;
(c) 3888x2592 is the jpg camera size = manufacturer cropped image size.

Two points bothers me:
1. darktable image size is not the image I saw when I took the photo. I
understand that information is "lost" between (a/b) and (c), but (c) is
what I framed. So this additional information is, for me, unwanted in my
final image.
2. with my 40D cr2, I have a 2-pixel-width red+green line on the bottom
left corner on the image... so this additional "information" is even more
unwanted.
Last, even if it is not really annoying, I do not understand why is (a)
showed in information panel, since the image size is then (b).

I found that there were already some discussions about this subject
here: http://sourceforge.net/p/darktable/mailman/message/27637129/ (the
motivation was more about the aspect ratio, but still).
Was the idea of a "vendor cropping plugin" further investigated? rejected?
would it be complicated to implement?

Thank you,
Émile


Informations from Exiftool for Canon 40D cr2:
Cropped Image Width       : 3888
Cropped Image Height      : 2592
Sensor Width                    : 3944
Sensor Height                   : 2622
Sensor Left Border            : 40
Sensor Top Border            : 23
Sensor Right Border          : 3927
Sensor Bottom Border       : 2614
Image Size                         : 3888x2592
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