[Tagging] Mapping nonexistent paths

[Niels Elgaard Larsen]

Sinus Pi:
> Niels wrote:
> 
>> There is an obvious pedestrian route from the Blåbær Alle area to the
> Solbær Alle area.
> 
> This is an obvious case for line-of-sight routing, implemented in some
> routers, AFAIK.

Which routers are those?
Can I use them on my phones to navigate?
It certainly does not work in ORSM, Grasshopper or Osmand.


Besides, line-of-sight is not enough, you might have to go around corners and avoid 
obstacles.

We need to provide a topology that can be used by OSM users using available routers.


> I believe the proposed virtual highways are supposed to
> enhance that, or supplant where there is no "area" connecting ways known to
> be traversable.
> 
> On Tue, 23 Mar 2021 at 23:40, Niels Elgaard Larsen <elgaard at agol.dk> wrote:
> 
>> Martin Koppenhoefer:
>>>
>>>
>>> sent from a phone
>>>
>>>> On 23 Mar 2021, at 10:23, Niels Elgaard Larsen <elgaard at agol.dk> wrote:
>>>>
>>>> Can anyone give an example of such a sophisticated router available to
>> OSM users?
>>>
>>>
>>> the routers don’t have to be sophisticated if you connect highways to
>> polygon highways, it’s sufficient for most cases to route around the
>> borders (will be a little bit longer, but mostly not have practical
>> consequences for the suggested route)
>>
>> Consider something like
>> https://www.openstreetmap.org/way/910055265
>>
>> There is an obvious pedestrian route from the Blåbær Alle area to the
>> Solbær Alle area.
>>
>> Even if a router *did* consider using the edge of the landuse=grass area,
>> it would be
>> much too big a distance (about 30 times longer) and it would lead the
>> unlucky OSM
>> user away from the grass towards Højvænge Alle highway resulting in a much
>> longer walk.
>>
>>
>> --
>> Niels Elgaard Larsen
>>
>> _______________________________________________
>> Tagging mailing list
>> Tagging at openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/tagging
>>
> 
> 
> _______________________________________________
> Tagging mailing list
> Tagging at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/tagging
> 


-- 
Niels Elgaard Larsen