Stumbled upon a dried up Nile on the map, which seems to be a jumble of large multipolygons.
This might require the expertise of an expert with the JOSM relation editor which can be a time consuming process.
It would be great if someone could make a simple howto tutorial for fixing such scenarios to help fix so many other big rivers that are broken this way.
Comment from imagico on 24 February 2017 at 15:17
There is no universal recipe to fix this kind of problem. There are many different kinds of mistakes that occur in broken multipolygons and each of them requires a different approach.
Things that are helpful usually with with riverbank polygons:
This is all a matter of exercise and training but even with a lot of experience this is still tedious work.
Comment from mustafakamil on 2 March 2017 at 05:12
I’m from Sudan, I am having the same problem in riverbanks of the Nile because the Nile in flood season comes out of the main stream