[Tagging] was: on poi (was: building=disused)

Paul Allen pla16021 at gmail.com
Thu Jan 16 14:45:28 UTC 2020

On Thu, 16 Jan 2020 at 14:12, marc marc <marc_marc_irc at hotmail.com> wrote:

in case of a was:SHOP=*, the previous shop (what's inside
> the building) has gone. and if you are consistent with yourself (you say
> that osm is not a database for memorizing history) when I survey it,
> the only thing I see is that the previous store was not there anymore.
> it's why I and some others use was:shop=oldvalue + shop=newvalue
> it is usefull to warn the next mapper about a recent change.

Sometimes I use was: for that, more usually I put the info in a note.
I tend to use was and disused on former chapels and churches that are
of a style that are instantly recognizable as such.  There are a lot
of chapels around here that are no longer in use for anything.  There are
a lot of chapels around here that have been converted to other uses
(mostly domestic residences).  I usually put building=chapel or
building=church on them and was or disused on the amenity=
place_of_worship.  And a note as to former denomination.  If
you want to find active churches/chapels, you can; if you want
to find buildings that were formerly churches/chapels, you can
(people interested in genealogy often want to do that).

the current discussion with disused shows that there are 2 meanings :
> still exists but not used <> doesn't exist anymore. was: has the merit
> to be clear that what is described doesn't exist anymore, no matter how
> it happened.

Better than was or disused for stuff that is no longer there is removed.  I
did that for
a couple of phone boxes outside a building for which there are many images
around the internet.  They're completely gone, no trace of them remains,
please don't
put them back because you saw them in an image.  There's no other way of
an armchair mapper not to add them without mapping them with a removed
(or was, or disused, but they don't really mean removed).

For me, was: is for use on something that is still there but no longer
serves its
original purpose.  Like the pub near me which closed years ago but, because
it's a listed building, is required to retain a (very old) pub sign.  It
looks like a pub from
the outside, but it isn't any more. https://goo.gl/maps/nM1Nr5jVfW2tUfc86
And I added a note to that effect (belt and braces).  Any mapper driving
it might think it was a pub that somebody hasn't yet added.

By now we'll probably have woken up the strict interpretationalists who
on following "rules."  "We don't map history" isn't a rule, it's a very
interpretation of "We don't map things that aren't there."  Which, itself,
is a
very simplified interpretation of "We don't map things that aren't there in
way that they get rendered, or clog up the database, or have other bad
effects.  We only map things that aren't there if it's necessary to stop
armchair mappers making invalid corrections."

OSM isn't (or shouldn't be) about blindly following a strict interpretation
supposed rules.  It is (or should be) about producing a map that is as
useful as possible, and there are guidelines (that may look like rules) to
help you do that.

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