[Tagging] surface=ground/dirt/earth

Fernando Trebien fernando.trebien at gmail.com
Mon Mar 17 16:43:13 UTC 2014

But if the surface is rocky or stone, can it really be described as
"surface of gravel mixed with a varying amount of sand, silt, and
clay" (grade2) or "even mixture of hard and soft materials" (grade3)
and so on?

On Mon, Mar 17, 2014 at 12:03 PM, Martin Koppenhoefer
<dieterdreist at gmail.com> wrote:
>> Am 16/mar/2014 um 22:07 schrieb Fernando Trebien <fernando.trebien at gmail.com>:
>> One question: do you think that an almost flat natural rock path
>> should be tracktype=grade1 (because it's closer to "compacted") or
>> tracktype=grade5 (because it's not "constructed")?
> I think this depends how even/smooth it is, grade1 is not very
> probable in my experience (at least I haven't met this yet), given
> that tracktype is somehow an "overall" rating of a track, representing
> the "subjective" idea of the mapper how well you might pass with
> different vehicles and under different weather conditions, I'd make
> the tracktype in the case of bedrock dependent on the smoothness. 1 or
> 2 if you can pass with your bike, 3 if you can pass with a bike under
> difficulties and 4 and 5 for almost or unpassable tracks.
> cheers,
> Martin
> _______________________________________________
> Tagging mailing list
> Tagging at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/tagging

Fernando Trebien
+55 (51) 9962-5409

"The speed of computer chips doubles every 18 months." (Moore's law)
"The speed of software halves every 18 months." (Gates' law)

More information about the Tagging mailing list