[GraphHopper] Turn Restrictions

dos65 qtankle at gmail.com
Fri Jun 12 13:41:53 UTC 2015


Hi Nick.
Restrictions must have members(from, to). In your case restriction don't 
have them and it does not processed by gh.


On 12.06.2015 16:29, Nick Bauer wrote:
> Hi Peter-
>
> Sorry for the delay.  Please see:
> https://graphhopper.com/maps/?point=41.616854%2C-88.122497&point=41.616365%2C-88.123473&locale=en-US&layer=Lyrk
>
> OSM data has a turn restriction setup where you can only turn right, 
> however GH shows a left turn.
> OSM data uses a single node with restriction:no_left_turn
>
> Is this a sufficient relation?  What is required for GH to consider 
> turn restrictions?
>
> On Thu, Jun 4, 2015 at 5:14 AM, Peter <graphhopper at gmx.de 
> <mailto:graphhopper at gmx.de>> wrote:
>
>     Hi,
>
>     > however I am not getting the results I expect.
>
>     what result do you expect? Please be more specific e.g. also
>     include some coordinates or screenshots and then describe the
>     problem you have :)
>
>     Regards,
>     Peter
>
>
>
>     On 04.06.2015 02:02, Nick Bauer wrote:
>>     Hello-
>>
>>     After reviewing the 0.4 list of changes, it seems to me that turn
>>     restrictions are enabled. I have what i believe is the correct
>>     OSM as well as config.properties file, however I am not getting
>>     the results I expect.
>>
>>     I am mobile right now, so I can't post any detailed output, but
>>     here is the config:
>>
>>     prepare.chWeighting=no
>>     prepare.chShortcuts=no
>>     osmreader.acceptWay=car
>>     graph.flagEncoders=car
>>
>>     # Enable turn restrictions for car or motorcycle.
>>     # Currently you need to additionally set prepare.chWeighting=no
>>     before using this (see below and #270)
>>     graph.flagEncoders=car|turnCosts=true
>>     graph.dataaccess=RAM_STORE
>>
>>     How does this config look?
>>     My OSM has to from and via relation elements.  Any other tips on
>>     how to correctly create the OSM?
>>
>>     Thanks,
>>     Nick
>>
>>
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>
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-- 
Челышов Вадим
qtankle at gmail.com

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