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GPX Logger?
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On Android, I use GPX Logger: https://play.google.com/store/apps/details?id=com.eartoearoak.gpxlogger&hl=en
On iOS I used to use Pocket Earth Pro, but there are simpler alternatives that just log to gpx right away.
The process is as follows.
- Start the logging app recording the GPX log to your phone.
- Open up the Clock app on your phone - anywhere where you see the time accurate to the second.
- Take a photo of the phone screen with your camera. This gives you a way to later account for differences in time between the camera and the phone.
- Take photos.
When at home,
- Get an app like HoudahGeo for Mac (I haven't researched Windows alternatives but I believe there are free ones)
- Load the GPX track and photos into the app. Any decent GPX/Photo matching app will be able to handle time drifts. Work out the time drift between the camera and the phone from the picture you took.
- Tag the locations!
Some Gotchas:
- Your camera won't have a timezone field. It definitely won't know about daylight savings. This is a problem if you're near/crossing time zone boundaries because then your phone's time also changes. It's just messy. HoudahGeo for example can tag your pictures with a timezone if you set everything properly. I recommend you do that with your pictures anyway.
- Some Camera/Phone connection apps (Looking at you, Olympus) automatically set your camera time to your phone time. This is annoying when it happens halfway through a shoot and then your drift is wrong...
Disclaimer: I am not affiliated with any of these apps.
I use this app. I have been using it to log my tracks when I go offroading to build out a library of trails for future use. Works really well and is very accurate.
https://play.google.com/store/apps/details?id=com.eartoearoak.gpxlogger&hl=en
GPX logger to record the track, then upload the file to OSM and trace over it.
I just use my phone with this app