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My camera has a GPS sensor, so most of my pictures have a latitude/longitude in their EXIF.

I know I took pictures at a particular location, but I don't remember when and I have so many folders and pictures that searching by looking at a gallery would take ages.

So, I need an app that shows all of my pictures on a map of the world, either as pins or thumbnails.

Requirements:

  • Automatically scans all pictures in a particular folder, recursively, and quickly (at least 10 pictures per second).
  • Can handle 100.000 pictures (it is OK to show just a fraction of them, then show more when I zoom)
  • Works on Linux or Android
  • Preferably desktop software rather than a web interface (even if it has to download map tiles)
  • Gratis, ideally open source
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digiKam fits most of your requirements.

It is a free and open source image viewer and library manager for Linux. It has a bunch of managing features around editing tags and EXIF information and also supports GPS location data.

It has a map feature that using Google Maps can overlay your pictures over a map.

To access it, be sure to click the "Map" button at the left of the screen (not the "Map" button at the top of the screen, as that one is not recursive):

enter image description here

The default map engine does not allow to zoom much. To zoom further than state level, you have to click the small globe button enter image description here and choose "Google Maps".

When you have found the picture(s) you were looking for, choose the selection tool using this bar: enter image description here. The enter image description here button lets you draw a rectangle to select all pictures in that rectangle. The enter image description here button lets you select an individual picture by clicking on its thumbnail. The details of the selected pictures appear in the right pane.

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The Geographic-Map of the android gallery app "A Photo Manager" (where i am the author of) shows markers where photos where taken/geo-tagged.

I currently use the app with 20 000 photos in 800 different folders on sd-card on my old android-4.2 tablet (and on my new android-7.1 handset), 13 000 photos have exif-geo data

available on android f-droid.org app store but not on google play

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