[Tagging] Accuracy of survey

André Pirard A.Pirard.Papou at gmail.com
Sat Dec 27 03:03:18 UTC 2014


On 2014-12-23 20:01, christian.pietzsch at googlemail.com wrote :
> the problem with nodes is, that they are easily overssen.
> It would be nice to have the possibility to show a warning when moving
> an opject with high accuracy. The best examples are GPS reference
> points like this: https://www.openstreetmap.org/node/2977364293
> Since they have fixed coordinates it would be nice to mark them as such.
Not only GPS. Satellite maps and geodesic measurements too. Just a few
examples
<http://overpass-turbo.eu/?Q=[out%3Ajson][timeout%3A25]%3B%0A%28%20node[%22man_made%22%3D%22survey_point%22]%28%7B%7Bbbox%7D%7D%29%3B%0A%29%3B%0A%2F%2F%20print%20results%0Aout%20body%3B%0A%3E%3B%0Aout%20skel%20qt%3B&C=48.83986;2.41493;10&R>.
Note the very specific tags.
Are we sure that the "Are you sure" feature should be restricted to
coordinates?

Cheers

André.


> 2014-12-23 19:10 GMT+01:00 Michael Kugelmann <MichaelK_OSM at gmx.de
> <mailto:MichaelK_OSM at gmx.de>>:
>
>     Am 23.12.2014 um 17:37 schrieb Rainer Fügenstein:
>
>         what is needed here is some tag, saying "don't touch these
>         coordinates, they've been surveyed with high(est) accuracy".
>
>     maybe just add a note to the pipeline (note = "maped mit GPS with
>     guaranteed accuracy of <blahblah>").
>
>
>     Cheers,
>     Michael.
>

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