I often need to tweak the GPS coordinates of images I take with my iPhone. Since I work on a MBP laptop, I do it there. A workflow: use a map app to find the precise location of the photo. Enter those coordinates into the location field in the Get Info box of the image. Watch Photos.app decide what I "meant" and move the coordinates to what it thinks is the closest place. This is often a what it thinks a city's coordinates are when I feed it a location inside that city.

The question then is how I make it stop doing this. I can move the pin, of course, or just use something like exiftool to edit the image's data directly, but it seems like this should be doable within Photos.

Then again...

  • I wouldn't be surprised it it's doing the same as it does for regular Map pins. You enter co-ordinates (or drop a pin) it says 'thank you very much' then proceeds to re-analyse it to the "nearest postcode". I've been filing bug reports on this for probably a decade. Still not fixed.
    – Tetsujin
    Feb 20, 2021 at 9:25
  • I was sure I'd had a proper rant about this on here somewhere, but it eludes me. All I can find is this - apple.stackexchange.com/a/351110/85275 which vaguely talks about how it stores/searches locations. I still have one address location from my old job a decade ago that to this day consistently navigates to a point 5 miles away, in a city centre. (I keep it around as a test to see if they ever fix this bug)
    – Tetsujin
    Feb 20, 2021 at 9:38
  • @Tetsujin It definitely knows about some specific locations, like museums, though the terminology for foreign places can be erratic (sometimes in the local language, sometimes in English on my English-language system).
    – Eponymous
    Feb 21, 2021 at 15:39
  • Yup, it does. This is easiest to see in some out-of-the-way location like some big country stately home etc. It marks the castle etc on the map just fine, but you try dropping a pin at the car park entrance, then saving it as a contact ;)
    – Tetsujin
    Feb 21, 2021 at 18:33
  • 1
    OK, I did write up a few applescripts to automate this, including pushing the Photos geolocation to the original file via exiftool and then having Photos read that back in, so that it knows that it's up to date with the original.
    – Eponymous
    May 20, 2021 at 16:40


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