Things are actually much less obvious and deserve a real second thought before 
taking position : it just came up to my mind that much of the Eurovelo network 
is still currently completely virtual (work in progress), yet deleting in from 
our map would be totally irrelevant since this routes are actually existing by 
the simple fact that thousands of users are using it.

Matthieu Gaillet

> On 13 Oct 2020, at 19:21, joost schouppe <joost.schou...@gmail.com> wrote:
> 
> I think we shouldn't actively map purely virtual routes. But there's a lot of 
> info that only lives on paper and still is relevant to OSM. So I find it hard 
> to give it a hard no. What is essential though, is that we don't make a mess 
> of the tagging. A route, right now, is something you can expect to see 
> waymarked. If someone starts mapping virtual routes, they should definitely 
> be put in their own data model.
> 
> Op di 13 okt. 2020 om 13:27 schreef Matthieu Gaillet <matth...@gaillet.be 
> <mailto:matth...@gaillet.be>>:
> 
> That might be true but apply as well to signposted trails on the fled… I’m 
> not fully convinced. 
> 
> But it is true that other websites or apps are specialised into publishing 
> “virtual" trails and that might be something pertaining to the OSM project.
> 
> Matthieu Gaillet
> 
>> On 13 Oct 2020, at 13:20, Wouter Hamelinck <wouter.hameli...@gmail.com 
>> <mailto:wouter.hameli...@gmail.com>> wrote:
>> 
>> Hi all,
>> 
>> I follow those who propose to limit ourselves for the mapping purposes to 
>> what is waymarked on the ground.
>> Taking routes from other sources (be they official or not) makes everything 
>> so fluid that we will end up with a huge mixed bag of gpx files that were at 
>> some point in time on some website of an authority, routes that are actively 
>> promoted, routes that were actively promoted for some event a few years ago 
>> and still can be found somewhere but are no longer maintained, routes where 
>> nobody really knows where they come from but they sound kind of official...
>> It will get messy...
>> 
>> Wouter
>> 
>> On Tue, 13 Oct 2020, 09:51 Francois Gerin, <francois.ge...@gmail.com 
>> <mailto:francois.ge...@gmail.com>> wrote:
>> +1 for the "end user's perspective".
>> 
>> From my point of view, two key rules make the ground for OSM as pointed out 
>> in several places of the documentation:
>> 
>> 1. Think to end users
>> 
>> 2. Map what really exists
>> 
>> "Map what really exists" is visible in many places in the docs, and this is 
>> indeed important, up to some "threshold".
>> "Think to the end users" is much less visible, but is visible anyway.
>> 
>> I'm afraid that, being driven mostly by technical profiles/mappers, the "Map 
>> what exists" rule seems to take the precedence because it is more visible.
>> 
>> According to me, "Think to the end users" should be the first rule, in terms 
>> of priorities.
>> Followed by "Map what really exists", at the very same priority as "Use your 
>> common sense" which is also very visible in the docs...
>> 
>> => My 2 cents.
>> 
>> 
>> 
>> 
>> 
>> On 13/10/20 09:37, Matthieu Gaillet wrote:
>>> At first I was going to agree with Tim and s8evq but hey, the world is 
>>> changing and from an user perspective, having itineraries on the map is a 
>>> plus, wether they are signposted or not. I personally never follow sign 
>>> posts, I just follow ‘a' route on my OSM-sourced GPS.
>>> 
>>> Regarding the question "what should be mapped or not", I believe the 
>>> itineraries should appear in OSM only if their are proposed or designed by 
>>> an official operator, not mr nobody. That’s enough to keep quality, not 
>>> staying aside nice initiatives (even if virtual), and stay close to 
>>> exhaustive when it comes to official itineraries.
>>> 
>>> After all, a route, sign posted or not, is in a sense always virtual.
>>> 
>>> Matthieu
>>> 
>>>> On 13 Oct 2020, at 08:49, Tim Couwelier <tim.couwel...@gmail.com 
>>>> <mailto:tim.couwel...@gmail.com>> wrote:
>>>> 
>>>> I'm inclined to go by 'mapping verifiable ground truth'. Which means no - 
>>>> don't add them unless signposted along the way.
>>>> 
>>>> Op di 13 okt. 2020 om 08:45 schreef s8evq <s8e...@runbox.com 
>>>> <mailto:s8e...@runbox.com>>:
>>>> I do not think they should be in OSM, and I wouldn't mind deleting them. :)
>>>> 
>>>> First of all, they are harder to keep up to date and verify.
>>>> Secondly, like you said, where do you draw the line. Who's routes do we 
>>>> add and who's not? 
>>>> 
>>>> For example, Natuurpunt and some of the local tourism offices already have 
>>>> 'virtual' hikes, where they only suggest which node numbers to combine. On 
>>>> the ground, nothing is marked. I don't think this should be in OSM.
>>>> 
>>>> If I get this correctly, 'Randonnées en Boucle' (SGR) are hikes made out 
>>>> of parts of existing GR trails? I wouldn't add that. The possibilities are 
>>>> just endless...
>>>> 
>>>> On Mon, 12 Oct 2020 19:57:59 +0000 (UTC), Stijn Rombauts via Talk-be 
>>>> <talk-be@openstreetmap.org <mailto:talk-be@openstreetmap.org>> wrote:
>>>> 
>>>> > Hi,
>>>> > 
>>>> > There is a guideline or rule that only waymarked hiking/cycle/... routes 
>>>> > should be added to OSM. Not everyone agrees and there are some 
>>>> > non-waymarked routes in OSM because nobody, not even me, dares to remove 
>>>> > them.
>>>> > Anyway, that rule/guideline is getting in trouble because some official 
>>>> > routes are not waymarked anymore.
>>>> > Provincie Vlaams-Brabant enlarged the 'wandelnetwerk Getevallei', but 
>>>> > the new nodes and routes are not waymarked anymore (too expensive). But 
>>>> > there is a map, a website and an app. [1]
>>>> > The municipality of Profondeville has the project '1000 bornes' (40 
>>>> > parcours pour vélos de route et VTT): only gps-tracks on route-you. [2]
>>>> > More will probably follow (or perhaps already exist).
>>>> > 
>>>> > So, what do we do? Or where do we draw the line? Because the line 
>>>> > between what can be considered as official routes or not, could (in the 
>>>> > future) become very thin. Or what do we do with the 'Randonnées en 
>>>> > Boucle' (SGR)? What if Natuurpunt/Natagora starts with 'virtual' walking 
>>>> > routes?
>>>> > 
>>>> > What is your opinion?
>>>> > 
>>>> > Regards,
>>>> > 
>>>> > StijnRR
>>>> > 
>>>> > P.S. The new map of 'wandelnetwerk De Merode' has OSM as background 
>>>> > layer. Thanks to everyone who contributed.
>>>> > 
>>>> > [1] https://www.toerismevlaamsbrabant.be/pagina/werken-wandelnetwerken/ 
>>>> > <https://www.toerismevlaamsbrabant.be/pagina/werken-wandelnetwerken/>
>>>> > [2] https://www.profondeville.be/loisirs/sport/1000bornes 
>>>> > <https://www.profondeville.be/loisirs/sport/1000bornes>
>>>> > 
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>>>> 
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