[Tagging] Elevation and height on vertical features

Clifford Snow clifford at snowandsnow.us
Fri Jan 8 19:05:07 UTC 2016


That could be someone converting from feet to meters.
On Jan 8, 2016 10:32 AM, "Tom Pfeifer" <t.pfeifer at computer.org> wrote:

> Colin Smale wrote on 2016/01/08 17:47:
>
>> How did all the elevation data get into OSM in the first place?
>>
> > GPS is notoriously bad at determining elevation/altitude.
>
> Beside intentionally tagged elevation such as peaks, I found a lot
> of nodes in the data, that appear to come directly from
> GPX trackpoints/waypoints. They sometimes have an incredible
> number of digits for resolution such as 395.38509818
>
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