[Talk-us] Double Mapping - Point and Polygon

Ian Dees ian.dees at gmail.com
Mon Jul 18 21:55:03 BST 2011


On Mon, Jul 18, 2011 at 3:49 PM, Mike Thompson <miketho16 at gmail.com> 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
>
> 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 you think the polygon represents the feature better than a point, then
remove the point and keep the polygon.


> If we delete the point, should its tags be merged
> with the polygon?
>

If the tags are useful for the polygon as well as the point (GNIS and NHD
IDs tend to be useful), then yes.
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