[Tagging] tagging of "ele" / elevation data e.g. in the context of towers

Martin Koppenhoefer dieterdreist at gmail.com
Mon Feb 20 20:04:34 GMT 2012

OK, following this discussion it seems clear that either nobody
interprets the wiki literally (the elevation at a given point), or
that the English term elevation never refers to man_made structures.
In each of these cases the tagged value for ele would be the elevation
of the surrounding ground. I suggest to improve the wiki.

http://wiki.openstreetmap.org/wiki/Key:ele reads:

Elevation (height above sea level) of a point in metres. This is
mainly intended for mountain peaks but could also be used for
elevation of airport runways and many other objects. For
OpenStreetMap, please use the elevation above sea level defined by the
World Geodetic System, revision WGS 84.

I amended this: "In the case of buildings and other man_made
structures use the elevation of the surrounding ground, not of the
structure itself."


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