On 04-Jan-18 09:04 PM, Martin Koppenhoefer wrote:
sent from a phone
On 3. Jan 2018, at 23:06, Warin <61sundow...@gmail.com> wrote:
I have moved some disused:railway=* from OSM to OHM as railway=* with start and
end dates .. that records what was there then, not its present state ...
disused:railway is about something that is there (a disused railway element
like tracks or a station), abandoned:railway is also about disused railways,
but in a state of degradation (e.g. trees growing between the tracks). razed
railways would typically not be mapped in osm, as they are no longer there.
Agreed. Unfortunately there are one or two mappers that misuse the tag disused:
for railways that are well beyond the OSM definition of disused.
That is the individual case I am trying to deal with, it has various states of
its last life.
IIRR there is also the proposed concept of dismantled railways where the tracks
are removed but it is still perceivable as former railway (e.g. embankments and
tunnels, bridges). While disused and abandoned are states that are not disputed
for inserting in osm (afaik), dismantled and razed are. Personally I’d accept
dismantled railways as long as there is something, even if it requires
additional knowledge or experience to understand that what you see is a former
railway.
_Ruined_ says there is something of the original structure left - for a
railway track this might be the occasional single track, some groups of
sleepers.
Where there is something that indicates the past presents of a railway track,
say ballast, embankment or cutting (or some other feature will have different
indicators) .. perhaps '_vestige_' ??___Dismantled_,_demolished_ and_razed_
have different meanings about how a thing was made absent. None says anything
about what remains.
I had not though of this before your post, thanks.
_Absent_ says there is nothing there of the original thing - or even if there
was anything there.
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