[Tagging] Tagging buildings that people work in

bkil bkil.hu+Aq at gmail.com
Sat Jun 1 08:01:13 UTC 2019

The kind of derivative information that you suggest does not add much to
the map, hence I don't support your proposal.

On the other hand, if you simply added the area of the parking lot you see
next to the building (kind of a factual information), others could draw the
same conclusion as you did. At the same time, this would be great help for
drivers in finding parking spaces, adding utility to the map compared to
"symbolizing things". Note that we prefer that OpenStreetMap contains
mostly verifiable facts, not pure inferences. It would be extra helpful if
you used a resolution high enough for you to see whether it is fenced off
or not (access=*).

Note that I don't always add even parking lots from aerial imagery to the
map without local knowledge, because you can't be certain about what is on
the ground. Around here, it is not always easy to tell apart from car
retail, parking + residential storage&garages, VAT auction storage lots,
marketplaces and whatnot. Historic cities have very limited parking space,
and even those are mostly underground - with your inference someone may tag
all of these buildings as unoccupied, which is clearly wrong.

Also, currently I see each of your replies as a new message thread,
unrelated to one another. Could you please use message threading (I thought
that clicking on the 'reply' button would have done the right thing)?

On Thu, May 30, 2019 at 2:01 AM ET Commands <etcommands at gmail.com> wrote:

> > Date: Wed, 29 May 2019 20:46:28 +0100
> > From: Paul Allen <pla16021 at gmail.com>
> > To: "Tag discussion, strategy and related tools"
> >       <tagging at openstreetmap.org>
> > Subject: Re: [Tagging] Tagging buildings that people work in
> >
> > On Wed, 29 May 2019 at 19:09, ET Commands <etcommands at gmail.com> wrote:
> >
> > My personal criteria is not meant to be that exact.  For example, I can
> >> see from an aerial photo a large building surrounded by a large parking
> >> lot.  I can surmise that several or many people work in the building,
> >> but I have no idea what they do there.
> >>
> > Sorry, but you cannot surmise that people work there.  Even if you do a
> > ground survey,
> > it may not be possible to make that determination unless you get close
> > enough.
> >
> > Sure, large office buildings of relatively recent construction tend to
> have
> > a distinctive style
> > ("Lego plain with large windows").  And they often have a large car park.
> > But...
> >
> > England changed its planning rules in 2013 to allow the conversion of
> > office blocks and
> > industrial buildings into homes without having to apply for planning
> > permission (often
> > a lengthy and expensive process, with permission frequently being
> denied).
> > The outcome,
> > given the economic downturn, was predictable.  There are a lot of
> buildings
> > that, using
> > aerial imagery and your criteria, would be mapped as offices but which
> are
> > not.
> >
> > Reference: https://www.bbc.co.uk/news/business-48031661
> >
> > --
> > Paul
> Fair enough.  But in the area where I map in the United States, I would
> bet that using my criteria I would be correct 95% of the time, if not more.
> Mark
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