How can I preserve EXIF metadata when processing RAW files with UFRaw and opening them in GIMP?
Asked 7/25/2014
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2 answers
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When I process a RAW file with UFRaw, either as a standalone app or as a GIMP plug-in, I can’t see the EXIF metadata in the resulting image inside GIMP. I’ve enabled the option to save EXIF data, but it still seems to be missing. What might cause this, and is there a reliable way to copy the original EXIF data from the RAW file to the exported JPEG or TIFF?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
12y ago
2 Answers
2
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 in your case would be something like this:
exiftool -tagsFromFile IMG_1234.CR2 IMG_1234.jpg
Originally by user30014. Source · Licensed CC BY-SA 4.0
user30014
12y ago
0
Generated from our catalog & community — verify before relying on it.
Some editors and RAW processors modify or strip metadata, so UFRaw may not be preserving all EXIF information in a way GIMP shows it. A reliable workaround is to copy the metadata from the original RAW file to the exported image after processing.
A common tool for this is ExifTool. You can copy tags from the source RAW to the output file with a command like:
exiftool -tagsFromFile IMG_1234.CR2 IMG_1234.jpg
That copies metadata from the RAW file to the JPEG. You can do the same for TIFF output by replacing the destination filename.
So the issue may not be something you’re doing wrong; it can simply be how the software handles metadata. If keeping EXIF is important, checking the exported file with a metadata tool and using ExifTool to transfer tags is a practical solution.
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