[Tagging] Orientation of an adit?

Colin Smale colin.smale at xs4all.nl
Fri Mar 10 14:07:10 UTC 2017

On 2017-03-10 14:48, Tod Fitch wrote:

> There are a number of abandoned adits and mine shafts in an area I've done some mapping in. When looking at old USGS topographic maps of the area, I've noticed that they used to align their symbol for an adit to show its orientation.
> I'd like to duplicate that rendering on the topographic maps I make, but adits [1 [1]] are single points in the OSM data model without a bearing or orientation tag so there is no information to drive the rendering.
> There does not seem to be much in the wiki [2 [2]], [3 [3]] or taginfo [4 [4]] for applying a bearing or orientation to a point.
> My inclination, at present, is to use either:
> bearing=*
> or
> adit:bearing=*

Speaking of inclination, would that not be a relevant characteristic for
adits? They are not all level, as I understand it. 


[1] https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dadit
[2] https://wiki.openstreetmap.org/wiki/NaPTAN/Tag_mappings
[4] https://taginfo.openstreetmap.org/search?q=bearing
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