[Tagging] Smoothness possible values, straw poll.

David Bannon dbannon at internode.on.net
Wed Mar 18 05:53:11 UTC 2015


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
> <dbannon at internode.on.net> 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
> 
> 
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