[Imports] [Talk-us] Double Mapping - Point and Polygon
bryce2 at obviously.com
Fri Aug 26 00:56:49 UTC 2011
> Mike Thompsonmiketho16 at gmail.com <mailto:talk-us%40openstreetmap.org?Subject=Re%3A%20%5BTalk-us%5D%20Double%20Mapping%20-%20Point%20and%20Polygon&In-Reply-To=%3CCALJoUkteF1hb%3DDsUc%3Dm2ypXuhxeS%2BZxuHYwPTgCMwMbxJBhRBg%40mail.gmail.com%3E>wrote:
> It seems that some things in OSM have been mapped twice, once as a
> point and once as a polygon. Here is an example:
> http://www.openstreetmap.org/?lat=40.42939&lon=-105.31262&zoom=17 <http://www.openstreetmap.org/?lat=40.42939&lon=-105.31262&zoom=17>
> The example appears to be from two different imports: NHD and GNIS,
> but I have seen other things, such as parking lots, mapped twice in
> this fashion as well. In these cases do we want to keep both, or
> delete the point? If we delete the point, should its tags be merged
> with the polygon?
I change one to the other all the time, usually taking a GNIS point and
making it a building outline. But it is a pain to preserve the keys.
And in the case of two automated imports you want to preserve keys from
BOTH, so that if the import is ever re-run the problem does not re-appear.
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