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[mkgmap-dev] Routing through bollard

From Martin Simon grenzdebil at gmail.com on Mon Oct 5 09:29:29 BST 2009

2009/10/4 Mark Burton <markb at ordern.com>:
> Hi Martin,
>> I also noticed this behavior at a bollard in my area.
>> Since about the same time(~2 weeks ago), there also were problems with
>> some turn restrictions being ignored.
> If there are problems, it will be something else that's wrong because
> they are not related.
>> It seems to me that only "no_left_turn" Relations are affected(or no_*?).
>> Example 1:
>> http://www.openstreetmap.org/browse/relation/91270
>> from Luxemburger Straße to Moselstraße
> Just tried that one and mapsource respected the no left turn.

Hmm, strange!

I rebuilt my map with yesterday's germany-extract from geofabrik
(using r1240) and it worked.
Then I rebuilt it with today's geofabrik extract of my state
(nordrhein-westfalen) and r1260 - the restrictions were broken again.
Trying it again with yesterday's germany extract and r1260, everything
is fine...

I'll talk to Frederik and see what he thinks about this.

Btw, back to the bollard topic: do you think it is possible to extend
the add-pois-to-roads functionality to include other poi types and
modify other values of the way?
This way we could build rules that tweak routing by setting a lower
road_speed or road_class around pois like traffic lights, pedestrian
crossings or traffic calmings.
this could help to for example favor right turns (left turns in
britain) on crossings with traffic lights and a "right-turn-bypass".


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