[Tagging] Feature Proposal - RFC - Enhancing natural=peak tag

[fly]

Am 08.07.2014 17:06, schrieb Martin Koppenhoefer:
> 
> 2014-07-08 15:59 GMT+02:00 Daniel Koć <daniel at xn--ko-wla.pl
> <mailto:daniel at xn--ko-wla.pl>>:
> 
>     I just made the proposal page for discussion about enhancing
>     natural=peak tag:
> 
>     http://wiki.openstreetmap.org/__wiki/Proposed_features/peak
>     <http://wiki.openstreetmap.org/wiki/Proposed_features/peak>
> 
>     This is my first attempt to define OSM features.
> 
> 
> 
> I am not sure this is something we'd want in OSM for at least 2 reasons:
> 
> 1. As you (and wikipedia) write, there is no clear distinction between
> mountain and hill, so this is subjective (you write it in the proposal)
> 
> 2. The analysis of the other peaks in the area and the topography in
> general can be done automatically both, based on OSM data and on
> additional elevation data (like from hgt rasters, Aster, SRTM, other
> DEMs, etc.)
> 
> So this is probably not something we'd have to map manually, as it could
> be automatically derived. I agree that the current rendering is not
> always optimal, but this could be resolved in the rendering system, no
> need to do it in the base data. Or maybe I got you wrong?


If you really want to get some useful information in the data you could
have a look at topographic prominence [1] and isolation [2] (german page
is much better). Though, Martin is right that this information could be
automatically calculated.

Cheers fly