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Re: [O] Embedding and extracting license/author information in an image
From: |
John Kitchin |
Subject: |
Re: [O] Embedding and extracting license/author information in an image file |
Date: |
Tue, 08 Dec 2015 06:06:15 -0500 |
User-agent: |
mu4e 0.9.13; emacs 25.0.50.1 |
Julien Cubizolles writes:
> I often include images in my org documents and would like to properly
> cite the license, and/or author.
This is usually done manually in a citation in the caption I think.
>I was thinking that this could be
> simplified by:
>
> * embedding the license/author information in some metadata of the jpg
> or png file (it seems that some standard called xmp can be used to
> embed data in png/jpg [fn:1]) preferably using some emacs tool
Making the xml would not be too difficult in emacs, but I guess you
would have to call some external program to insert xmp into the images.
>
> * getting org to add a footnote with this information when linking to a
> file with this kind of information.
This would not work reliably. I could imagine an insert figure link
which would check for the data and do that, or perhaps a
post-insert-link hook function, but neither of these would work if you
simply type in a link. What should happen with images that don't contain
the data?
>
> Could it be done? Do you know of an emacs package providing read/write
> access to this metadata?
None I know of. I looked at something similar for pdf, but did not find
anything but external programs.
>
> Footnotes:
>
> [fn:1] https://en.wikipedia.org/wiki/Extensible_Metadata_Platform
--
Professor John Kitchin
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Department of Chemical Engineering
Carnegie Mellon University
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@johnkitchin
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