On Thu, Dec 30, 2010 at 7:30 AM, Hendrik Oesterlin
<hendrikmail2...@yahoo.de> wrote:
> "Alan Mintz" alan_mintz+...@earthlink.net wrote on 30/12/2010 at 04:16:22 
> +1100
> subject "[OSM-talk] Turn left restriction on two way highways" :
>
>> You should map the exceptions (where left-turn IS allowed).
>
> -1
>
> I would say: map the restriction.
>
> Mapping the allowed_left_turn is not recognisable by artificial
> intelligence in an reliable way.  What about a road making a curb to
> the left and an other road coming from front. The computer will not be
> able to recognize.
>
> If the defaults are mapped on the country boundary, what if I download
> only a small area instead of feeding the whole planet.osm file to my
> routing engine? The engine will not be aware of the default values.
>
> --
> Sincerely
> Hendrik Oesterlin - email hendrikmail2...@yahoo.de
>
>
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Yes, we'll map the restrictions. I reviewed the local law and
sometimes you can turn left so we must tag the restriction on every
case.

Regards,
 Diego

-- 
Diego Woitasen

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