[Talk-GB] NPE data

[Barnett, Phillip]

+1 

> -----Original Message-----
> From: Philip Barnes [mailto:phil at trigpoint.me.uk]
> Sent: 06 October 2013 18:42
> To: talk-gb at openstreetmap.org
> Subject: Re: [Talk-GB] NPE data
> 
> I tend to see an NPE tag as something that needs attention. A lot of
> the area, where I now live, North Shropshire, was armchair mapped using
> NPE maps. That includes a lot of roads, I am getting through
> resurveying them but even today I found one that according to my GPS
> was 50m from where it should be.
> 
> In the case of a road I see it as an indication that there is a road
> there (somewhere), or it may be a dirt track, NPE did not show the
> difference and I have re-tagged quite a few of these.
> 
> Phil (trigpoint)
> 
> 
> On Sun, 2013-10-06 at 16:23 +0000, Barnett, Phillip wrote:
> > Paul,
> >
> > NPE maps were the first backgrounds for the editors other than some
> > quite low res Yahoo imagery of the UK, so people used them for
> mapping
> > streams/rivers/woods etc back in the day. As you have noticed, they
> > don’t necessarily relate to modern streams – they may have dried up
> or
> > been culverted/piped long since. They are all over 50 years old, (for
> > copyright reasons) after all.
> >
> > Yes, if the facts on the ground have changed, then the stream needs
> to
> > be moved, or removed. No process needed, just use an editor.
> >
> >
> >
> > Note – only remove NPE tagged items if you know they have changed –
> > don’t just do a mass-remove! (That’s in the unlikely event you were
> > planning to write a bot to remove them all!)
> >
> > Phil
> >
> >
> >
> >
> >
> >
> >
> >
> > PHILLIP BARNETT
> > SERVER MANAGER
> >
> > 200 GRAY'S INN ROAD
> > LONDON
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> > E PHILLIP.BARNETT at ITN.CO.UK
> > WWW.ITN.CO.UK
> > P Please consider the environment. Do you really need to print this
> > email?
> >
> >
> >
> > From: Paul Churchley [mailto:paul at churchley.org]
> > Sent: 06 October 2013 16:57
> > To: talk-gb at openstreetmap.org
> > Subject: [Talk-GB] NPE data
> >
> >
> >
> >
> > I have come across some data tagged as source=npe. I know what the
> NPE
> > maps are but my question is a bit of a newbies one... why is NPE data
> > mapped on OSM if it is so old?
> >
> >
> > I have just mapped an area for a customer of mine and there is a
> > stream mapped running right through the centre of his property. It is
> > tagged source=npe. The stream is no longer there and hasn't been for
> > the 20 or so years he has owned the property.
> >
> >
> > The old stream is showing up on OSM rendered tiles. His properly is a
> > caravan site and so it would be good if his property did not have a
> > stream that no longer exists running through it as it suggests that
> it
> > might flood... which it doesn't.
> >
> >
> > What is the situation regarding npe data? Can it be removed?
> Obviously
> > I would just remove it!!! But is there is a process to get it
> removed?
> > If it is to be kept, then how can we get the OSM tiles rendered
> > without it showing this old stream? I can see that some specialist
> > tiles might want to show old data like this but I wouldn't have
> > thought it appropriate that normal OSM tiles would need to show this
> > old data would it?
> >
> >
> > Any help would be appreciated.
> >
> >
> > Paul
> >
> >
> >
> >
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