Thanks Timur,
In the case of EOS 500D, the camera JPEG is wider than RAW.
I've try few software displaying CR2 file correctly:
rawtherapee
nufRaw
geeqie
digicam
aftershot
photivo
I'd like to understand the issue with darktable.
Would be great to fix this.
Jeepei
> ----------------------------------------
> From: Timur Irikovich Davletshin <timur.davlets...@gmail.com>
> Sent: Sat Jul 07 07:50:54 CEST 2018
> To: <darktable-user@lists.darktable.org>
> Subject: Re: [darktable-user] CR2 cropped compared to JPEG
>
>
> On Fri, 2018-07-06 at 23:57 +0200, Jeepeii Jagesh wrote:
> > Hello,
> >
> > I use a Canon EOS 500D, shot in RAW + JPEG.
> > https://we.tl/11IDm9G2Yh
> > In lighttable, the files display the same resolution 4752 x 3168.
> > Opening the CR2 image in darkroom, it goes to 4832 x 3204.
> > But it's cropped, down and right by + -30px.
> > On Rawtherapee I don't have the problem.
> > How can that be fixed?
> >
> > Thanks
> > _____________________________________________________________________
> > _______
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> > ble.org
> >
>
> I've addressed similar issue not so long ago, so here is what I've got
> as reply:
>
> Am Dienstag, 1. Mai 2018, 20:55:20 CEST schrieb Timur Irikovich
> Davletshin:
> > Question just out of my natural curiosity. Just noticed that
> darktable
> > always produces pictures that are 30-50 pixels smaller when exporting
> > from DNG than from camera Raw file. And even more, they never match
> > claimed camera resolution. Biggest difference is on EOS 5D Mark III.
> >
> > E.g. It claims 5920x3950 in DT image information but exported picture
> > is (from CR2) 5794x3868 and (from DNG) 5760x3840. Nikon files show
> the
> > same.
> >
> > At least in case of Adobe's converted files there is some logic that
> > they always match builtin JPGs in size.
> >
> > Remember I disabled all default modules (just 'original' in history
> > stack), DNGs produced from Raw are not demosaiced (latest version of
> > Adobe's tool with default settings).
>
> No idea what Adobe does to the DNG files, but at least camera raw files
> have
> (in general) some black borders and otherwise broken areas at the edges
> that
> we cut off. Therefore the exported image size doesn't match the raw
> file size
> 1:1. Camera JPEGs are a little smaller as they try to adhere to the
> advertised
> aspect ratio and probably cut off more to err on the safe side (and
> make the
> in-camera processing easier).
>
> > Did I miss something?
> >
> > Thanks for explanation in advance,
> >
> > Timur.
>
> Tobias
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