[GraphHopper] routing problem

Peter K peathal at yahoo.de
Mon Aug 26 14:28:12 UTC 2013


Hey Konrad,

yes, there was a bug which was already fixed. See:
https://github.com/graphhopper/graphhopper/issues/89

I need to just update the data. But I want to automate this updating
process (like daily or weekly) which will take some time to implement
the necessary scripts + test them etc.

Regards,
Peter.

> Hello,
> I did some routing tests on http://graphhopper.com/maps. Long distance
> routing seems to be very comparable to other routing services on the
> net, but way faster.
>
> In short distance routing I found a problem with a query in my area:
> http://graphhopper.com/maps/?point=wehlener str. 1%2C
> dresden&point=alttolkewitz. 1%2C dresden&vehicle=CAR
> The resulting route over An der Rennbahn is only the third best route,
> there is also a direct road connection from Wehlener Str. to
> Alttolkewitz (first best route). The second best connection would be
> over Bodenbacher Straße/Pirnaer Landstraße.
>
> I thought the result could be not optimal, because Graphhopper relies
> on (maybe incomplete?) Openstreetmap-Data but if I test the same
> locations in
> http://openrouteservice.org/index.php?start=13.8267204,51.033242&end=13.8305277,51.031594&pref=Fastest&lang=de
> the shortest route is calculated.
>
>
> greetings Konrad
>
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>




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