[Talk-GB] Changing highway=ford to ford=yes.
pmberry2007 at gmail.com
Mon Jan 7 17:38:41 UTC 2019
I'd say the analogue to a ford is a level crossing: two ways of different
types, usually vertically separated but instead intersecting at the same
level, notionally at a point (though you could define an area if you want
that level of detail).
Coincidentally, some fords local to me (one which remains elusive and not
mapped) are on my radar. I'll wait for a consensus to emerge here before
seeking them out for mapping.
On Mon, 7 Jan 2019 at 15:42, Edward Catmur <ecatmur at googlemail.com> wrote:
> On Mon, 7 Jan 2019, 13:56 David Woolley <forums at david-woolley.me.uk wrote:
>> On 07/01/2019 12:37, Mike Baggaley wrote:
>> > I think that if an intersecting highway and waterway are mapped just as
>> lines, then these represent the full width of the highway and waterway and
>> it is illogical to use a line or area to represent the ford. If either the
>> highway or waterway is mapped as an area then I would expect the ford to be
>> mapped both as a line across the area and also as a node at the
>> intersection of the centre line. Only if both highway and waterway are
>> mapped as areas would expect the ford to be mapped as an area (and also as
>> a node at the intersection of the centre lines).
>> I would say that it should not be mapped as a node on the centre line.
>> If data consumers want that, they can infer it from the more detailed
>> I would say that fords are conceptually quite similar to bridges and
>> tunnels, and people don't generally map those as points.
> However there is an intersection between two lines on the same level (the
> centreline and the thalweg) which is suitable for tagging as a node. It's a
> bit like mapping highway crossings. Or maybe railway level crossings - but
> do we map those as a way or area yet?
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