[Talk-GB] Adding a further 250, 000 UK roads quickly using a Bot?

Gregory nomoregrapes at googlemail.com
Thu Feb 3 14:32:42 GMT 2011


I'm upset that the blue(95%+) area in the North East turns out to be
Darlington, which I believe is tracers that started OS once it was
available.
I've used the OS Locator tool around Durham, mainly in JOSM, to get towards
that 95%, and I turned a bit addicted. It makes me worried that I might go
beyond reasonable edits(country roads with no signs, broken signs, my own
mistakes/omissions, etc) and just stay at home in my arm chair (it's been
cold outside). One village I know isn't done, so it's reminded me to go out
and do that. I much rather prefer to create roads than to adjust their
locations, so I think it's better I start with my GPS trace rather than OS
Locator.

Peter, I know the ITO locator layer only shows missing names and that you're
not just checking name=* (if the OS has a different name for some reason).
What is the list of other name tags that get used?

Gregory.

On 3 February 2011 14:08, Matt Amos <zerebubuth at gmail.com> wrote:

> On Thu, Feb 3, 2011 at 1:17 PM, Ed Avis <eda at waniasset.com> wrote:
> > Dair Grant <dair at ...> writes:
> >
> >>> There is suggestion raised by a number of people, but refuted by others
> that
> >>> imports reduce the number of contributors.
> >>
> >>It has been denied, not refuted. I think the closest there is to real
> data
> >>on the effect is:
> >>
> >><
> http://www.asklater.com/matt/wordpress/2009/09/imports-and-the-community-ii
> >
> >
> > We do also have real data on the effect of not doing imports - the towns
> which
> > are almost completely unmapped.  While importing data from OS may not be
> ideal,
> > doing nothing and waiting for somebody to go and map it doesn't seem like
> a
> > successful strategy either, if the past five years are a guide.
> >
> > For prosperous city areas there is no difficulty finding a local mapper
> who will
> > take on a new hobby to get away from the computer screen for a few hours.
>  But
> > OSM has a real coverage gap in socially disadvantaged areas (Fake SteveC
> has a
> > pithier name for them).  But we want a complete map and not just a map of
> where
> > the typical OSM contributor lives.  If using some of the work already
> done by
> > the Ordnance Survey helps us get there, that has to be a good thing.
>
> my experience of the OS data traced into my local area is that it's
> been almost entirely inaccurate. if this is the case where a typical
> OSM contributor lives then i'd assume that people tracing over OS have
> introduced several hundred inaccurate features in London alone.
> perhaps if the people enamoured of tracing OS would organise a mapping
> party, or reach out to local community groups (people still live in
> socially disadvantaged areas, right?) then we could create a complete,
> living map, rather than a road-network-complete, dead one.
>
> cheers,
>
> matt
>
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>



-- 
Gregory
osm at livingwithdragons.com
http://www.livingwithdragons.com
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