[Talk-GB] Changing highway=ford to ford=yes.
ecatmur at googlemail.com
Mon Jan 7 15:41:38 UTC 2019
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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