Alley in Pisa, Italy

by Lars Kotthoff

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1

I have found that many image editors modify and even delete metadata, and I am not surprised that Ufraw does that too. One way to transfer metadata from the original to the processed image is to use the very flexible ExifTool. It's a simple executable that runs on many platforms and has tons of features. Check it out here The basic command to copy metadata ...


3

Below is a note from EXIFTools documentation - "1) Some tags (generally tags which may affect the appearance of the image) are considered "unsafe" to write, and are only copied if specified explicitly (ie. no wildcards). See the tag name documentation for more details about "unsafe" tags." Also, see question 9b on this page: ...


0

1) Adobe has support for plug-ins to add their own metadata this data is stored in the lightroom catalog. From the SDK doc "Values stored in custom metadata fields are stored only in Lightroom's database. In the current release, a plug-in cannot link custom metadata fields to XMP values or save them with the image file. " 2) No. However you might be able ...


1

A quick search says that yes, the XPKeywords field is imported as Keywords: https://forums.adobe.com/thread/772784. That said, it's worth noting that the many "XP..." fields are not standard EXIF fields so I would not expect them to work.


0

Lightroom uses, or can use and generate, XMP Sidecar files there are a number of free &/or open source applications that can do the same: ExifTool by Phil Harvey, open source Perl module or command line. Can read/write XMP, supports custom XMP schema (platform independent) Exiv2 - Open Source C++ library and command line utility to manage image ...


3

Lightroom's catalogs are SQlite databases, so it should be possible to create them in other programs.


1

You can see all the fields of the EXIF standard here: http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/EXIF.html There is a ImageDescription field which holds a string, and that would be a reasonable location for any links to descriptions. There is also the ExifTool (http://www.sno.phy.queensu.ca/~phil/exiftool/) software that can be used to ...



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