[OSM-talk] stop deleting abandoned railroads

Mateusz Konieczny matkoniecz at gmail.com
Thu Aug 13 13:10:14 UTC 2015

On Thu, 13 Aug 2015 21:54:39 +1000
Warin <61sundowner at gmail.com> wrote:

> For example a demolished building .. may have a new building built on 
> the same spot .. with the same outline.
> Leave the node data in OSM, change the tag building=yes to 
> building=demolished (may not be rendered nor official OSM tagging)
> add a note as to who/why ..
> and then if rebuilt change the tag back to building=yes... with a
> source tag please.
> If the site has a different shaped building then the nodes will have
> to be changed, or the site gets used for something else .. then
> change it. But untill then leave the old data there.

This is a bad idea. Maybe [note=this building is demolished] to protect
against mapping from outdated aerial images may be OK.

But expecting data consumers displaying buildings to filter out
building=demolished, building=razed, building=proposed etc etc is a
really bad idea.

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