Using GPX/KML files
What is a GPX or KML file?
KML (Keyhole Markup Language) and GPX (GPS eXchange Format) files are file formats used to store coordinates of geographic points. When these GPX or KML files contain coordinates of a series of points, they constitute a "tour."
In practice, when it comes to circuit files, these are often directly named "KML" or "GPX" or "KML tracks", "GPX tracks".
You can use either a KML or GPX track to track a route. The choice between one or the other depends on the compatibility of the application used for tracking (some applications will only accept GPX format, others only KML format, and still others both formats).
However, there are conversion tools, such as the site https://gpx2kml.com/ allowing you to switch from one format to another.
How to use GPX or KML files?
The Bruche Valley Tourist Office provides all the circuits on the site free of charge. velo-bruche.fr in GPX format. To use these files on your smartphone, you need a dedicated application.
A GPS tracking app using KML or GPX will allow you to visualize a route on a map and locate yourself in real time (GPS). This app will ensure you follow the route. There are many GPS tracking apps, some free or paid, others that use mobile data to load basemaps, and others that offer this feature offline.
We suggest you use the "GPX Viewer" application, which is compatible with Apple (App Store) and Android (Play Store), does not require registration, and is free. This application requires the use of your mobile data to display the base maps.
Steps to follow to read and track a GPX file with the “GPX Viewer” application
1- Phone settings
On Apple: Make sure your Localization service is engaged in Settings>Privacy. Also check that your cellular data are activated.
On Android : Make sure your GPS positioning and your mobile data are activated (symbols in blue) by scrolling down your menu from the top of the screen. Be careful, sometimes there are several settings screens (swipe left to access them).
2 - Install GPX Viewer
3 - Open the GPX file and follow the track
If you have already downloaded the GPX file to your smartphone, go to your downloads, click on the GPX file, and choose "GPX Viewer" to open it.
If you have not yet downloaded the GPX file to your smartphone, click on the download link, then when your mobile asks you (automatic opening after download), choose "GPX Viewer" to open it.
Once the application is open, you see the route and your position. In the settings, we advise you to use the “OpenTopoMap” base map. Adjust the zoom scale, center your position on the screen and off you go!
For more comfortable use, consider setting your screen to automatically go to sleep (5 to 10 minutes depending on your needs, or even deactivate it). Please note, disabling automatic screen sleep will lead to a reduction in your battery life.