[OSRM-talk] Junctions without turn instructions

Anders Gunnarsson anders.gunnarsson at appello.com
Tue Oct 28 10:45:15 UTC 2014


Hi,

Can someone with a trained eye have a look on why there are no turn instructions at the junctions in this example? Mapping of highway tag seem a bit odd in the area. Would it help if the trunk road from the starting point continued past the junction, so that links were used only for connections between the two crossing roads?
http://map.project-osrm.org/?hl=en&loc=47.278328,16.093533&loc=47.281654,16.085939&z=16&center=47.276834,16.088458&alt=0&df=0&re=0&ly=763558683

Can you also explain a bit about OSRMs generation of turn instructions? Which types of data are involved and where is the evaluation done on where instructions are needed?


Best regards,
-- 
Anders Gunnarsson
Software Architect

Location: Appello | Göteborg | Sweden
 






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