Thank you for your information, Peter. If I get some nice results, I will inform you!
I dont know anything about useful gps-tracks available online, so I am collecting data myself. The gps-tracks on planet GPX do not have timestamps and no information about travelling mode, do they? Kind regards, Dominic 2015-04-30 11:14 GMT+02:00 Peter <[email protected]>: > Hi Dominik, > > yes, just guesses from developers on the road and no literature used. > Would love to see some more solid ground for this e.g. using OSM planet GPX > > Keep in mind that these speeds are not max speeds but average speeds. The > maxspeed tag is handled differently in applyMaxSpeed. > > Kind Regards, > Peter > > > On 30.04.2015 11:06, Dominic Keller wrote: > > Hi all, > > I am writing my master thesis about the influence of the infrastructure on > bicycle speed. Beside doing on-road experiments I would like to give an > overview, how routing algorithm calculate the speed of bicyclist. > > I have seen, that graphhopper uses a list of maxspeed parameter in B > ikeCommonFlagEncoder.java > <https://github.com/graphhopper/graphhopper/blob/master/core/src/main/java/com/graphhopper/routing/util/BikeCommonFlagEncoder.java>, > like > > setSurfaceSpeed("gravel", 12); > setHighwaySpeed("service", 14); > > How did you defined these values? Are they just guesses? How did you > guessed them? Or could you find them somewhere in literature? > > Thank you for your information! > Regards, Dominic > > > _______________________________________________ > GraphHopper mailing > [email protected]https://lists.openstreetmap.org/listinfo/graphhopper > > > > _______________________________________________ > GraphHopper mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/graphhopper > >
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