Changeset: 37245274
Created and corrected some tracks based on personnal knowledge, personnal GPS trace, aerial imagery and Strava heat map.
Closed by Amodef
Tags
created_by | iD 1.8.5 |
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host | https://www.openstreetmap.org/id |
imagery_used | Bing |
locale | fr |
Discussion
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Comment from SHARCRASH
Hello,
When editing, please make sure that:
- ways are connected, otherwise planing routes and other routing functions won't work
- for MP relations, lines are connected and perimeter is correct
Errors since your last edit:
- http://www.openstreetmap.org/relation/5940626#map=18/49.76454/5.73299
- http://tools.geofabrik.de/osmi/?view=multipolygon&lon=5.72771&lat=49.76137&zoom=15&opacity=1.00&overlays=invalid_geometry_hull,duplicate_ways,intersections,intersection_lines,ring_not_closed_hull,ring_not_closed,unconnected_end_nodes,touching_inner_rings_hull,touching_inner_rings,role_mismatch_hull,role_mismatch,duplicate_tags_hull,duplicate_tags
Thank you for your comprehension! -
Comment from SHARCRASH
Since you don't show up, I reconnected myrself the ways and corrected the MP.
Please, next time just make sure things are alright. :) -
Comment from Amodef
Hi ! Sorry to have been a bit late to answer you. I usually check twice to be sure to not let a track unconnected, but no one is perfect, right ? :)
About this particular place, I've passed lot of time unlinking the roads/tracks from the residential area (they have nothing in common, really).
By the way, what are these residential area for ? It does not correspond to any physical reality... Any idea ?
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Comment from SHARCRASH
No problem for the late feedback. OSM is about free dedication. :) Indeed no one is perfect, myself i make errors and come back on tools like OSM Inspector to check if i didn't leave any awkward element.
You don't need to unlink them, they just share the same line structure for the mechanical of plotting, as long as the position is roughly OK. There is no rule in OSM Wiki that says they are not allowed to share the same element like a node, line, area AKA polygon, area relation AKA MP relation or other relations (for example virtual hiking routes on physical ways). So instead of having 3 or even sometimes 4 lines overlapping, there is only one line sharing all those elements. Sharing the same line for different elements allows many advantages:
- less data to be managed by the OSM server.
- easies plotting and future edits or updates.
- saves time
See it as an advanced method to plot in OSM.The residential area surely describes a physical reality. :) It's for areas where people reside, in general it's an urban area. So by extension also for companies, retails and public buildings, but for these there are more specific elements. You certainly noticed that many users plot extensive resid. areas to define an urban area and maybe later on they plot more specifically the dedicated commercial, retail areas, etc. If they don't have the time or do not need that level of detail they leave the resid. area. as a more general approach. I guess it's not so important for small towns, villages... where sometimes there are just a few shops or companies.
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Comment from Amodef
About the residential area, do you think that I should map legal informations (where buildings are allowed to be built) or the situation in situ ? They are usually very close, but the first is clearly defined, while the second is more subjective.
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Legal situation is publicly available on the official cartographic websites.
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About sharing the same line between areas and tracks, I'll try to use it more often, but I don't really like to have to deal with areas when I only want to improve tracks path... ^^This said, I do join adjacent areas whenever possible.
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Comment from SHARCRASH
Replied you in private message.
Ways (6)
Relations (1)
Nodes (12)
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