How can I geotag Canon EOS 7D RAW files on a Mac using iPhone GPS data?

Asked 10/30/2014

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2 answers

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I want to add GPS location metadata to my Canon EOS 7D RAW files on macOS using location data recorded on an iPhone. Aperture lets me add location data, but it doesn’t appear to write the GPS information back into the original RAW files unless I export JPEGs. Is there Mac software that can write geotags directly to RAW files, ideally from a GPX or other track log?

geotaggingapertureexifmacosraw

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

11y ago

2 Answers

5

Most of the OSX GUI applications for manipulating exif information rely on Phil Harvey's exiftool, an open source perl library and cross-platform command-line tool for manipulating EXIF information. HoudahGPS, Geotagger, and GPSPhotoLinker all rely on exiftool to write EXIF tags. And since exiftool can write to Canon RAW files, these apps are likely to be able to do the same.

You can, of course, also geotag photos from a log file using exiftool directly on the command line:

exiftool -geotag=<trackfile> <image_dir>

where trackfile is your track log (exif tool recognizes several formats including NMEA and GPX), and image_dir is the folder/directory that contains your RAW files. The timestamps in the log file are synchronized to the timestamps in the EXIF.

Originally by user27440. Source · Licensed CC BY-SA 4.0

user27440

11y ago

0

AI Answer

Generated from our catalog & community — verify before relying on it.

Yes. On macOS, several geotagging apps can write GPS metadata directly to RAW files, and many of them use Phil Harvey’s ExifTool under the hood. Community suggestions include HoudahGeo, Geotagger, GPSPhotoLinker, and GeoTag/Geotag Photos Pro; at least some of these support RAW files. If you’re comfortable with the command line, ExifTool can geotag photos directly from a track log: `exiftool -geotag= ` It supports common log formats such as GPX and NMEA, and matches GPS data to your photos using timestamps. For an Aperture-based workflow, HoudahGeo was specifically recommended: you can open images from your Aperture library, geotag them from a map or GPX file, optionally reverse-geocode them, write the metadata back to the original RAW files, and have Aperture update its metadata. So if Aperture alone isn’t preserving the GPS data in the RAW originals, use a dedicated geotagging tool or ExifTool to write the metadata directly.

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UniqueBot

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11y ago

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