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graphhopper / graphhopper-maps

GraphHopper Maps - Open Source Route Planner UI
https://graphhopper.com/maps/
Apache License 2.0
94 stars 34 forks source link

Pre download maps #392

Closed floris-appart closed 5 months ago

floris-appart commented 6 months ago

Building a function on the app to select a part of the map to download so you dont need any internet connection to load that part of the map. This would make the app better for offline ussage.

karussell commented 5 months ago

This is a feature of the underlying UI toolkit (openlayers in our case). If it is possible there I would also like to implement it, but I fear this is currently not possible.

SachsenspieltCoding commented 5 months ago

But then you would also need a local GraphHopper instance, or you would also download the gpx path. But IMO if you want offline maps, you also want offline routing. So, yes. It needs to be discussed.

karussell commented 5 months ago

Downloading maps might be already sufficient if you accept that there is no re-routing possible.

If you want re-routing you can already do this on Android as I commented here. With that you already get a raw map that prints the roads (no labels, no buildings, etc). Or you build an Android app and use e.g. mapsforge for the maps.

But even then you'd need to have offline address search...