The turn instruction flags are computed during extraction but I think Martin is talking about the generation of instructions which is in fact done during queries.
Sendt fra min iPhone > Den 17. okt. 2015 kl. 00.15 skrev Daniel Patterson <dan...@mapbox.com>: > > Hi Martin, > > You're looking at the right code, but it's not used during `viaroute`. The > turn instruction flags are baked into the graph structure that is generated > during `osrm-extract`. > > daniel > >> On Oct 16, 2015, at 1:08 PM, Martin Bang Andersen <datsch...@gmail.com> >> wrote: >> >> Hi all, >> >> I have previous written about my troubles with missing instructions when a >> secondary road has the same name as the primary road, then this >> turn/instruction is somehow optimized out of the instruction set. >> >> See for example: >> >> http://map.project-osrm.org/?z=16¢er=56.176718%2C10.168061&loc=56.176712%2C10.168061&loc=56.177751%2C10.156174&hl=en&ly=&alt=&df=&srv= >> >> Here the final instruction tells me: "Left onto Haslegårdsvej" and then >> after 150m it says destination reached. It does not tell me to turn right >> onto the secondary part of Haslegårdsvej after about 100m. >> >> Can anybody point me to the place in the source code where this turn is >> removed from the list of instructions? I have looked a lot of places and my >> best bet until now is the AnalyzeTurn function in >> extractor/edge_based_graph_factory.cpp: >> >> // If street names stay the same and if we are certain that it is not a >> // a segment of a roundabout, we skip it. >> if (data1.name_id == data2.name_id && data1.travel_mode == >> data2.travel_mode) >> { >> // TODO: Here we should also do a small graph exploration to check >> for >> // more complex situations >> if (0 != data1.name_id || m_node_based_graph->GetOutDegree(node_v) >> <= 2) >> { >> return TurnInstruction::NoTurn; >> } >> } >> >> but it does not seem to be called during a viaroute request. >> >> Best regards >> Martin Bang Andersen >> >> _______________________________________________ >> OSRM-talk mailing list >> OSRM-talk@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/osrm-talk > > _______________________________________________ > OSRM-talk mailing list > OSRM-talk@openstreetmap.org > https://lists.openstreetmap.org/listinfo/osrm-talk
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