On Wed, 2015-03-18 at 05:58 +0000, Jan van Bekkum wrote: > Can we copy some of this: for other vehicles than > mtb: http://www.dirtopia.com/wiki/4WD_Trail_Rating? > Indeed, I spent a bit of time driving in their neighbour, Utah, national Parks. From memory, some tracks there were graded, similar ?
Would you suggest the 1-10 descriptive track model or the 0-5 vehicle scale ? I'd prefer the vehicle one because thats what a user wants but know only too well there will be cries of 'subjective'. But ask any existentialist, they will tell you life itself is subjective. David > On Wed, Mar 18, 2015 at 6:55 AM David Bannon > <[email protected]> wrote: > On Tue, 2015-03-17 at 16:39 -0700, Bryce Nesbitt wrote: > > > > http://wiki.openstreetmap.org/wiki/Key:mtb:scale > > > At grade 6, it's a list of things including a drop of over > 2m. > > It's fairly well fleshed out. > > > True, but the other downhill scales, 0-5, have no measurables > except > gradient. > > > If we can have such a scale for MTB and dirt bikes, why not > for four > wheeled vehicles ? Copy the style and approach ? > > Incidentally, take a look at where that guy on scale=4 is > heading, > crazy ! > > David > > > > > > On Tue, Mar 17, 2015 at 2:53 PM, David Bannon > > <[email protected]> wrote: > > On Mon, 2015-03-16 at 23:22 -0700, Bryce Nesbitt > wrote: > > > > > road_usable=car;4x4;mt > > > Tag what's there: measure something. Don't tag an > > interpretation. > > > > Bryce, please tell us how it should be done then. > Don't just > > sit there > > saying "computer says no". A drovers dog can tell > this > > capability is > > needed. Look at how many proposals there have been, > at how > > many times > > its hit this thread. > > > > > > No telling what a drovers dog is, but: > > > > > > highway=track > > surface=dirt > > constraint:cobble_size:sustained=15cm > > constraint:cobble_size:average=25cm > > constraint:sand:worst=30cm > > constraint:side_slope:worst=22degrees > > > > > > > > --- > > > > > > highway=track > > surface=dirt > > > > surface:variation={1-smooth,2-rough,3-potholed,4-rutted,5-deeply_rutted} > > > > surface:constraints=steep;narrow;side_slope;sand;winch_section;hells_angels > > > > > > > > > > --- > > highway=track > > surface=dirt > > surface:mtb={0-5} (Tag segments, or add "s" for sustained > or "x" the > > worst case. 5s 5x is thus harder than 1s 5x) > > surface:4wd={0-5} > > > > surface:2wd={0-5} > > > > surface:hgv={0-5} > > > > surface:motorbike={0-5} > > surface:width=6m > > > > surface:constraints=steep;hello_kitty_gang;puncture vine > > > > > > > > --- > > > > > > And I previously posed that a survey of users would help, as > long as > > multiple answers are allowed: > > > > > > User: Fred, Date: 2015-01-01 Condition report: went right > through in a > > Yugo with two flat tires. Vehicle=2wd > > User: Fredy, Date: 2015-01-02 Condition report: impassable > via car > > after rain, had to turn back at Big Creek, nearly lost it at > cliff. > > Vehicle=4wd > > User: Fredyy, Date: 2015-01-05 Condition report: alien > encampment at > > milepost 23 - nearly ate my vehicle. Vehicle=spaceship > > > > > > _______________________________________________ > > Tagging mailing list > > [email protected] > > https://lists.openstreetmap.org/listinfo/tagging > > > > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging _______________________________________________ Tagging mailing list [email protected] https://lists.openstreetmap.org/listinfo/tagging
