[OSM-talk] Introducing "Fix waterway direction"

Russ Nelson nelson at crynwr.com
Fri Aug 29 03:49:10 UTC 2014


Not to brag, but New York State is already all done. I mean, there may
be one or two mistakes, but when I was entering all of the streams
listed in Wikipedia for NY, I set the flow direction properly. So if
you have a way to exclude New York, you will have more productive
users.
-russ

Peter Barth writes:
 > Hi all,
 > 
 > I created a new challenge for MapRoulette: "Fix waterway direction".
 > 
 > As the waterway's direction in OSM denotes the direction of the water's
 > flow, I started to compare them to SRTM. This leads to more than 1 
 > million wrong directions for Europe only. Many times SRTM is right,
 > however, due to data errors, not every time. That's why I created this 
 > challenge.
 > 
 > A more detailed description can also be found on my user diary here:
 > http://www.openstreetmap.org/user/Peda/diary/23632
 > 
 > I started with the really easy ones and only Europe for now. I will 
 > upload further tasks soon, worldwide coverage will follow, too.
 > 
 > Hope you enjoy this challenge,
 > Peda
 > 
 > -- 
 > 
 > _______________________________________________
 > talk mailing list
 > talk at openstreetmap.org
 > https://lists.openstreetmap.org/listinfo/talk



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