Sources and licences
Poteca has not drawn a single metre of map. Everything below is other people’s work, used under an open licence. Here is whose it is and on what terms.
The underlying geographic data: roads, paths, settlements, huts. Mapped by tens of thousands of volunteers.
Licence: ODbL 1.0
The map tiles with relief and contour lines, rendered from OpenStreetMap data and the SRTM elevation model.
Licence: CC BY-SA 3.0
The waymarked-routes overlay, drawn from the route relations in OpenStreetMap.
Licence: CC BY-SA 3.0
The weather forecast, via Open-Meteo. The model belongs to the Norwegian Meteorological Institute.
Licence: CC BY 4.0 / NLOD
The interface we reach the forecast through, with no account and no tracking.
Licence: CC BY 4.0
The photographs in the app. Each has its own licence, shown next to the picture along with the author’s name.
Licence: per fotografie
The algorithm used to compute sunrise and sunset on the device, with no connection.
Licence: domeniu public
The hikes themselves — the timings, the waymarks, the prices, what you see on the way — are written by hand, from public sources and from the ground. If you find something wrong, write to me and I will fix it.