Hi,
I thought this rendering of OSM map data might be of interest to some on
the list. From its author:
WaterwayMap.org is a map of waterways (rivers etc) from OpenStreetMap.
Uniquely, it groups connected rivers together, colouring them
the same, showing river networks. It also calculates downstream
flow, and can draw rivers with more flow wider, producing maps like
traditional maps of rivers. This allows the production of good maps,
and the finding of errors in the data. All of this is calculated
automatically from 100% pure OSM data. It also calculates some
QA maps, such as loops in rivers in OSM.
https://waterwaymap.org/#map=10.03/50.8105/-1.7603
--
Cheers, Ralph.
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