Changeset: 36457175
Fix user reported strava routing error:
Closed by CloCkWeRX
Tags
created_by | iD 1.8.3-slide |
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host | http://strava.github.io/iD/ |
imagery_used | Bing;Strava Global Heat |
locale | en-GB |
Discussion
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Comment from SomeoneElse
What was the routing problem that was previous reported? You've changed 2 derelict_canal ways only here; I can't see how that should affect routing?
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Comment from CloCkWeRX
The path was intersecting the waterway; but there was clearly not a bridge etc.
I split the waterway either side of the bike path to better reflect was is on the ground/apparent from GPS traces, and satellite imagery.
Given that the canal itself is filled in; I don't think it should be mapped - at least not if its indistinguishable from the surrounding terrain.
However, someone clearly when to the effort of mapping it, so splitting it seemed to be the least harmful approach.
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Comment from SomeoneElse
What is the problem with a path intersecting with a derelict_canal? I can think of several examples locally to me (just a bit north of here) where that happens, where the canal is still very much visible as a derelict_canal but a path crosses it or even runs along it.
Did you try asking the previous mapper about it? He just lives down the road and I'm sure will be able to explain...
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Comment from CloCkWeRX
Feel free to revert/model it better if you have on the ground observations that are more accurate than the GPS traces and satellite imagery; however *even the original way had it documented that it had been filled in*.
Routers really shouldn't direct riders through derelict canals without some kind of other structure (bridge, etc), as it usually means they'll fall into a great big empty dry former waterway that looks something like:
As it stands, I really doubt it should be modelled at all - the strava error reports indicate that cyclists aren't aware of a former canal at all; suggesting its not even visible to them.
http://labs.strava.com/routing-errors/#10000000/15/-1.29036/52.95923
Ways (2)
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