[OSM-talk-be] Mapping disaperead vicinal paths
Matthieu
matthieu at gaillet.be
Fri Aug 7 11:50:29 UTC 2020
Thanks for these clarifications.
The user agreed to revert, not without explaining why he still believes that the ways should be mapped. I quote him below for the completeness. I advised him to use balsam (ironically he *IS* a balnam volunteer !), will refer it to OHM too.
> Le premier réflexe qu'a un accapareur lorsqu'il est confronté à des autorités communales est le plus souvent d'indiquer que la voirie n'existe même pas sur carte, le deuxième sera de dire qu'elle n'est pas visible sur les photos aériennes.....
> Bref, je crois qu'on est pas du tout sur la même longueur d'onde et je le regrette.
> Pour la petite histoire, un nombre important de voiries ont disparu suite au fait qu'elles n'étaient plus reprises sur l'IGN (souvent par négligence des géographes de terrain)
> La voirie que vous voulez pouvoir utiliser sans que le propriétaire du manège ne vous interpelle est un voirie innomée sans véritable statut tant qu'elle n'a pas été reconnue comme communale par la commune (procédure longue et difficile, actuellement rarement mise en oeuvre). C'est une voirie privée.
> Pour tenter de la rendre communale, la méthode la plus souvent utilisée est d'indiquer au riverain toutes les voiries qui ont disparues (qu'il a volé), cette disposition permet de "culpabiliser" l'accapareur qui, bien souvent, accepte par la suite certaines concessions.
> Je m'incline et j'enlève d'OSM les voiries publiques accaparées autour des Hayettes.
>
Matthieu
> On 7 Aug 2020, at 13:44, Pieter Vander Vennet <pietervdvn at posteo.net> wrote:
>
> Hey everyone,
>
> Mapping long-erased paths (and other old features) can be done on OpenHistoricalMap: https://www.openhistoricalmap.org/ <https://www.openhistoricalmap.org/> .
>
> The correct way to put pressure on the municipality is to work together with Balnam.be (in Wallonia) or Trage Wegen VZW (for Flanders). They have this kind of experience and they know which historical sources to use (such as the 'atlas trage buurtwegen' and a whole heap of different maps).
>
> Even though I sympathise deeply with the contributor, OSM is not a place for razed paths - it clutters the database too much and it becomes very unclear what is in scope for OSM. Do we map razed buildings too? When do we delete them? When they are razed 5yrs ago? 10yrs ago? 100yrs ago? Again, all these are welcome in OpenHistoricalMap, where there is some support by giving end-dates.
>
> To touch on the topic of Wegspotter - he too mapped a lot of razed roads which frustrated many within the community. Due to some stupid techical issue, it took a long time before the community could get in touch with him. Once we finally got in touch, we could synchronize and align.
>
> Kind regards, Pieter
>
> On 07.08.20 08:53, joost schouppe wrote:
>> Hi,
>>
>> While I don't mind disused:* and razed:* to keep these kinds of paths somewhere in the database, it is my impression from previous discussions that there is some consensus that paths that are really, really gone (there's a building on top; or there's a lot of fences or overgrowth; it doesn't re-appear from time to time) do not belong in OSM at all. Then again, I've never seen anyone make a real effort to clean them out of the database.
>>
>> When someone starts adding a lot of this kind of path as an actual highway type, then they should be stopped.
>>
>> Mathieu,
>> You say "He denied reverting the changeset, arguing that mapping those paths was a way to put pressure on the Commune and the owner in a discussion about the openness and accessibility of surrounding paths for the general public. He promised to delete the date once the case will be closed."
>> I only see one changeset discussion, so I assume you discussed this in private messages? If you make a few changeset comments, maybe some other people can join the discussion there. Hopefully we can still change their mind about this; if not we'll need to revert some changes.
>>
>> Best,
>> Joost
>>
>> Op do 6 aug. 2020 om 22:36 schreef Matthieu Gaillet <matthieu at gaillet.be <mailto:matthieu at gaillet.be>>:
>> Good point.
>>
>> A search led me to this discussion https://help.openstreetmap.org/questions/6728/tagging-historicunsignedunmaintained-trails <https://help.openstreetmap.org/questions/6728/tagging-historicunsignedunmaintained-trails> which emphasizes the use of the disuse: or abandoned: prefixes.
>>
>> Matthieu G. (en mode mobile)
>>
>>
>>
>> Matthieu G. (en mode mobile)
>>> Le 6 août 2020 à 22:15, EeBie <ebe050 at gmail.com <mailto:ebe050 at gmail.com>> a écrit :
>>>
>>> Hello,
>>>
>>> In my neighbourhood somone mapped paths and ways that don't exist anymore. I didn't want to delete his work complete and
>>> deleted highway=path and replaced it by historic=path and left name=Voetweg SLH°82. In this way the path isn't visible in the usual map
>>> but it is visible in an editor and in an eventual special historic map.
>>>
>>> Regards,
>>>
>>> Erik
>>>
>>>
>>> Op 6/08/2020 om 13:00 schreef joost schouppe:
>>>> Hi,
>>>>
>>>> The example Wouter showed hurt my eyes too much, so I have deleted some bits; I marked a few that maybe exist as fixme:highway for now. The user also didn't snap roads to the rest of the road network properly.
>>>> If they don't respond to comments, we might have to consider a user block. A convincing argument for them to do the work properly could be that we might be forced to just revert all their work.
>>>>
>>>> Best,
>>>> Joost
>>>>
>>>> Op do 6 aug. 2020 om 10:45 schreef Wouter Hamelinck <wouter.hamelinck at gmail.com <mailto:wouter.hamelinck at gmail.com>>:
>>>> Hi,
>>>>
>>>> Let me start by saying that I have all the sympathy for the aims of the mapper. I also have been working with communities to keep vicinal ways open. I am also aware that certain ways are only accessible certain times of the year due to vegetation etc. Even if a path is not visible at the moment you pass there, it might be at other times of the year. In general I advocate leaving paths through fields (even plowed) that are legal rights of way. My reasoning is that as soon as you pass with a small group a kind of path will be visible. On the other hand, if the legal right of way crosses buildings, gardens, canals... it makes no sense to put those in OSM. Nobody will ever follow those.
>>>>
>>>> With that in mind, I've taken a look at some of the changesets that you linked to. I didn't like what I saw. People who want to check only one example, this is a good one: https://www.openstreetmap.org/way/833838389 <https://www.openstreetmap.org/way/833838389> There is no place in OSM for that kind of legal fiction. Even not knowing the situation on the ground, it is clear to me that nobody will try to follow that track. So I would say to revert changes like that.
>>>>
>>>> As for the arguments of the mapper:
>>>> * Putting something in OSM does not put any pressure on the owner. Nobody will be impressed by the argument "you have to keep the way open because I just put it on a website where everybody can put things".
>>>> * It makes the data in OSM useless. The tracks in OSM are used on a daily basis by many, many hikers. The presence of legal fictions in OSM makes it useless for them. They don't care where they should be able to pass in theory. They want to know where they can pass in reality.
>>>>
>>>> In conclusion, the mapper is trying to have some very dubious advantage for his personal use and by doing that makes the data useless for all other users. For me it is clear that those ways should be removed.
>>>>
>>>> Regards,
>>>> Wouter
>>>>
>>>> On Thu, Aug 6, 2020 at 8:21 AM Matthieu Gaillet <matthieu at gaillet.be <mailto:matthieu at gaillet.be>> wrote:
>>>> Hi,
>>>>
>>>> Recently an user mapped a set of disappeared “communal” or "vicinal” ways. By disappeared I mean they are physically absolutely not existent on the ground. They were either plowed or constructions were built right on them.
>>>>
>>>> I believe it goes against the general rule that states that one might only map what’s visible on the field. Additionally the mapping itself was poorly done and the source mentioned was not relevant.
>>>>
>>>> Using the tag [ <https://wiki.openstreetmap.org/wiki/Key:trail_visibility>trail]_visibility <https://wiki.openstreetmap.org/wiki/Key:trail_visibility>=no <https://wiki.openstreetmap.org/w/index.php?title=Tag:trail_visibility%3Dno&action=edit&redlink=1> is not an option here since the user decided to map a unmaintained track road (with width = 4m !) that doesn’t offer such option.
>>>>
>>>> He denied reverting the changeset, arguing that mapping those paths was a way to put pressure on the Commune and the owner in a discussion about the openness and accessibility of surrounding paths for the general public. He promised to delete the date once the case will be closed.
>>>>
>>>>> Les sentiers et chemins que j'ai repris sur OSM sont légalement toujours existants et personne n'est en droit d'empêcher quiconque de les utiliser, de les réhabiliter ou de les débroussailler... c'est une façon de mettre la pression sur le riverain... dès que des alternatives auront été créées et un bon accord conclu, j'effacerai les données au profit des alternatives qui auront été proposées.
>>>>
>>>> The changesets :
>>>> https://www.openstreetmap.org/changeset/88927383
>>>> <https://www.openstreetmap.org/changeset/88927383>https://www.openstreetmap.org/changeset/88927894 <https://www.openstreetmap.org/changeset/88927894>
>>>> https://www.openstreetmap.org/changeset/88927825 <https://www.openstreetmap.org/changeset/88927825>
>>>> https://www.openstreetmap.org/changeset/88927566 <https://www.openstreetmap.org/changeset/88927566>
>>>>
>>>>
>>>> What do you think ? I believe that’s not a good way of doing things (I don’t believe in maptivism in this situation) but can’t really find a clear position of the community about this particular case.
>>>>
>>>> I don’t want to start a fight with that user because he’s really doing a great job at preserving the right of use of those heritage vicinal ways by confronting the Communes against those unfair owners. I would like to show him some string arguments to explain him why his initiative is not good for the community (If that’s the case).
>>>>
>>>> Thanks for sharing your thoughts.
>>>>
>>>> Matthieu Gaillet
>>>>
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>>>> --
>>>> Joost Schouppe
>>>> OpenStreetMap <http://www.openstreetmap.org/user/joost%20schouppe/> | Twitter <https://twitter.com/joostjakob> | LinkedIn <https://www.linkedin.com/pub/joost-schouppe/48/939/603> | Meetup <http://www.meetup.com/OpenStreetMap-Belgium/members/97979802/>
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>> --
>> Joost Schouppe
>> OpenStreetMap <http://www.openstreetmap.org/user/joost%20schouppe/> | Twitter <https://twitter.com/joostjakob> | LinkedIn <https://www.linkedin.com/pub/joost-schouppe/48/939/603> | Meetup <http://www.meetup.com/OpenStreetMap-Belgium/members/97979802/>
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> --
> Met vriendelijke groeten,
> Pieter Vander Vennet
> <pietervdvn.vcf>
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