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[mkgmap-dev] highway=track with no road_class and road_speed set breaks routing ## was ## "No roads near target" bug in Schwabmünchen

From Franco Bez franco.bez at web.de on Sat Apr 13 16:58:03 BST 2013

Hi Gerd,

Bernd found a solution for the overlays that do not require the 2nd type
to be a routable type.
It's so simple, he just sets the 1st tyhe, the routable one ( 0x0c for
roundabouts ) to be completey invisible in the TYP file, so it will not
mess up the optics of the map, now it's no problem to use non routable
types for the overlay.

As the use of routable types for road2 in overlays might break the
routing (route goes to tile border and then jumps on a straight line to
the target, a non existant way is used for routing), you should consider
printing a  warning when the 2nd type in an overlay definition is of
routable type.

IMHO the routing issues with housenumbers (not all housenumbers
available in address search) is a completely different story.

Ciao,
  Franco

Am 13.04.2013 12:51, schrieb Gerd Petermann:
> Hi Franco,
>
> I don't think that the problem with Robert-Bosch-Str. 14 is caused by
> that.
> Here are my findings with the small extract posted here:
> http://gis.19327.n5.nabble.com/No-roads-near-target-bug-in-Schwabmunchen-tp5753364p5756716.html
>
> The housenumber generator sees 3 parts of the road.
> 1: from node 37507846 to 37507848
> 2: from node 37507848 to 59608285
> 3: the roundabout from 59608285 to 59608285
>
> The first part gets housenumber 3 on the left (Schönwetter Automobile)
> and  numbers 2..6 on the right
> The 2nd part gets no numbers on the left and 8..12 on the right
> The 3rd parts gets no numbers on the left and 14 and 5 (Aldi) on the
> right (in this order)
> So I think the roundabout triggeres a bit flag that says: numbers are
> mixed (odd and even numbers on one side)
> As a final result the Oregon displays only two possible numbers: 3 and 5.
>
> @Wanmil: Maybe the result would be better  when the numbers are sorted
> in a different way?
>
> Gerd
>
>
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