[Tagging] surface=ground/dirt/earth

[vali]

I agree we should find a tag to note "practicability". Tracktype would be
great, but actual grades are only applicable when there terrain is mostly
earth and no rocks. That's the reason I put those pics. Hard surface does
not mean anything about "how good" a track is to use vehicles in, and
surface alone does not show the full picture.

Since tracktype is widely used the actual definitions shouldn't be changed,
but new grades can be added and they don't need to imply the higher the
number, the worst the track.


2014-03-21 11:10 GMT+01:00 Pieren <pieren3 at gmail.com>:

> On Fri, Mar 21, 2014 at 1:09 AM, Fernando Trebien
> <fernando.trebien at gmail.com> wrote:
>
> > If so many people agree that the current values are inappropriate
>
> "smoothness" was very controversial from its beginning. It is not used
> by any data consumer and probably will never be in the future (for the
> reasons already reported here). But people use it.
>
> > let's write a proposal for the new
> > values, get it approved (should be easy) and recommend against using
> > the old (current) values.
>
> Your new values remembers me an older proposal:
> http://wiki.openstreetmap.org/wiki/Humanitarian_OSM_Tags/practicability
>
> There might be some others since this discussion is not really new.
>
> > http://oi59.tinypic.com/33fala8.jpg
> > highway=path + smoothness=off_road_wheels + tracktype=grade2 +
> > mtb:scale=3 + sac_scale=mountain_hiking + surface=rocky
>
> I think in general, we should clearly distinguish "practicability"
> tags for tracks and paths because it's not the same type of
> transportation (4 wheels vehicles  for "track" and mtb, (atv),
> off-road motocycles, pedestrians for "path"). Please keep "mtb:scale"
> and "sac_scale" for paths/footways and "tracktype" for tracks.
> Otherwise it will be very confusing for everyone.
>
> > http://oi59.tinypic.com/4htmag.jpg
> > highway=path + smoothness=robust_wheels + tracktype=grade4 +
> > mtb:scale=0 + sac_scale=hiking + surface=earth
>
> This example is a track for me.
>
> Pieren
>
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