[GraphHopper] Unreachable addresses by car

David Ödling davidodling at me.com
Tue Dec 16 22:08:46 UTC 2014


Looks good, but having played around with the settings I still do not get them to work. My current config looks as follows:

prepare.chWeighting=fastest
prepare.minOnewayNetworkSize = 1
prepare.minNetworkSize = 1
graph.flagEncoders=car
index.highResolution=10000
index.maxRegionSearch=10000
routing.defaultAlgorithm=dijkstrabi

I believe I’m doing something wrong as the demo-api manages all the routes. 

I’’m thankful for all suggestions! 

//

David

> 16 dec 2014 kl. 15:08 skrev Peter <graphhopper at gmx.de>:
> 
> See if this answer helps:
> http://stackoverflow.com/a/26433076/194609 <http://stackoverflow.com/a/26433076/194609>
> 
> Peter
> 
> On 16.12.2014 15:03, David Ödling wrote:
>> 
>> Hi!
>> I have encountered a problem in finding routes between a few number of addresses. Most work well, but it seems like some addresses on one way streets and in areas with restricted access it fails to find a route. I have implemented a quick-fix for this by adjusting the coordinates in a outgoing  spiral until a route is found. But this is not a good solution in densely populated areas, so,  is there any better solution?
>> 
>> Hopefully, I’m simply doing something wrong by getting this problem, as I do not get the same problem on the test-server:
>> https://graphhopper.com/maps/?point=10%20Lilla%20Nygatan%2C%2011129%2C%20Stockholm%2C%20Sweden&point=10A%20Arsenalsgatan%2C%20103%2027%2C%20Stockholm%2C%20Sweden&layer=Lyrk <https://graphhopper.com/maps/?point=10%20Lilla%20Nygatan,%2011129,%20Stockholm,%20Sweden&point=10A%20Arsenalsgatan,%20103%2027,%20Stockholm,%20Sweden&layer=Lyrk>
>> 
>> In essence my setup looks like this:
>> 
>> Init:
>> 
>>         hopper = new CustomGraphHopper(settings);
>>         hopper.setPreciseIndexResolution(1000);
>>         hopper.forDesktop();
>>         hopper.setInMemory(true);
>>         hopper.setOSMFile(osmPath);
>>         hopper.setGraphHopperLocation("GraphData");
>>         hopper.setEncodingManager(new EncodingManager("car"));
>>         hopper.importOrLoad();
>> 
>> Req: 
>> 
>>         GHRequest req = new GHRequest(graph.getNode(from).address.getLatitude(), graph.getNode(from).address.getLongitude(), graph.getNode(to).address.getLatitude(), graph.getNode(to).address.getLongitude())
>>             .setWeighting("custom")
>>             .setLocale("SE").setLocale("sv_SE")
>>             .setVehicle("car").setAlgorithm("dijkstrabi");
>>         GHResponse rsp = hopper.route(req);
>> 
>> 
>> Thanks in advance, 
>> 
>> David
>> 
>> 
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> 
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