Hi all, I’ve made a website which shows how all the waterways in OSM are topologically connected, or not:
More details are there, or on the backing github project. You can also run the programmes for yourself if you want to tweak it, or just show your region.
This tool can help you find possible tagging mistakes in river topology, like change in a name, or find places where 2 rivers aren’t properly connected up.
Data is updated manually by me when I remember.
What do yous think?
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Ce sujet de discussion accompagne la publication sur https://community.openstreetmap.org/t/osm-river-basins-website-to-show-how-are-rivers-in-osm-connected/102655