Mailinglist Archive: opensuse (1367 mails)

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Re: [opensuse] Writing coments on photos problem - yes, again! O:-)
On 02/01/2016 03:35 PM, Carlos E. R. wrote:
On 2016-02-01 17:24, jdd wrote:

of course there is no jpg (may be a thumbnail, but this is unimportant),
but the raw file have to hold all the camera settings, even if don't
applying any. it have at least to display the images on the camera
screen :-)

Yes, the dedicated Nikon software (WIndows only) knows the exact choices
made on the camera at shooting time. The information is stored in the
raw file somehow. After all, each brand uses their own format.

Yes and no.
if you run exif you will find that the setting of the camera "at
shooting time" are accessible. How else would shotwell, darktable and
photoshop be able to read them?

Yes the image format, the "dump" of the sensor, is formatted differently
for each vendor (though there are proposals about that) but so what?
Photoshop, shotwaell and darktable all read that. They have to since
they can edit the image and produce jpgs, tiffs and gifs.

Yes, the vendor's software can read the information, just like
photoshop, shotwell and darktable, and produce different gifs.

In many cases the "somehow" if documented extremely well.

As a test, you should try running exif on your RAW files and get to see
what those supposedly "hidden" settings are and how easily found they
are. You might be surprised.

You might try

-l, --list-tags
List all known EXIF tags and IFDs. A JPEG image must be
provided, and those tags which appear in the file are
shown with an asterisk in the corresponding position in
the list.

A: Yes.
> Q: Are you sure?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting frowned upon?

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