LESTER I believe that Shane is saying that historical data, that no LONGER EXISTS in reality, should HAVE OPT-IN tagging, RATHER than opt-out. If YOU use standard tagging and add a modifier like closed=2007, then all current renderers will show YOUR closed footpaths as still existing. If YOU wish to render a map of HISTORICAL features, then you should use tagging such as highway=disused_footway so that only people SPECIFICALLY wishing to show historical features do so.
So yes, by all means I want to keep the data in there. But it should be recognised as a distinct subset and any standard should reflect that. > Message: 10 > Date: Sun, 25 Apr 2010 11:42:49 +0100 > From: Lester Caine <les...@lsces.co.uk> > Subject: Re: [Talk-GB] OS Boundaries > To: "'talk-gb OSM List'" <talk-gb@openstreetmap.org> > Message-ID: <4bd41ca9.90...@lsces.co.uk> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Shaun McDonald wrote: > > > > On 25 Apr 2010, at 07:57, Lester Caine wrote: > > > >> > >>> If a footpath gets moved do you think I should still show a way& mark > >>> it as 'this is where it used to go'? > >> 'closed=2007' makes perfect sense to me. People then coming back to an > area that > >> they walked 30 years ago would then see why they can't follow the same > route today? > > > > Please don't use modifiers to state that a path/pub/whatever is no longer > there. You can use a modifier for permissions, i.e. some people can use it, > but not all. If a footway has closed use highway=old_footway or > highway=disused_footway. For a pub or any amenity that is not longer open or > there, use old_amenity=pub. That way no one will still think it is still > open and it is backwards compatible with all software that currently uses > the osm data. > > This is my exact point Shaun > We NEED a standard method of adding historic information RATHER than > changing > the very data we are trying to preserve !!! > > -- > Lester Caine - G8HFL > ----------------------------- > Contact - http://lsces.co.uk/wiki/?page=contact > L.S.Caine Electronic Services - http://lsces.co.uk > EnquirySolve - http://enquirysolve.com/ > Model Engineers Digital Workshop - http://medw.co.uk// > Firebird - http://www.firebirdsql.org/index.php > > -- Christopher Osborne
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