I think I can confirm what said here. My nuvi 255 seems to learn the speed I drive on each road (with impact on routing decision next time I drive the same area).
Also I confirm that many roads has a max speed info that is shown on the screen while I drive the road. --- Gio 4/6/09, Wolfgang v. Hansen <wvhan...@fom.fgan.de> ha scritto: > Da: Wolfgang v. Hansen <wvhan...@fom.fgan.de> > Oggetto: Re: [mkgmap-dev] max-speed and arbitrary values > A: "Development list for mkgmap" <mkgmap-dev@lists.mkgmap.org.uk> > Data: Giovedì 4 giugno 2009, 16:24 > On Wed, 3 Jun 2009, Thilo Hannemann > wrote: > > > Somebody mentioned also that the GPS units will > "learn" the speed you are actually driving and use that for > their calculation. If this is speculation or based on facts > I don't know. At least with my Oregon 300 I doubt it: As I > use it all the time with my maps I'm cycling always in the > car mode. So far the ETAs are still very wrong. If the GPS > would learn the speed they should become more realistic over > time. > > At least the car navs (StreetPilot, nüvi) do learn your > speed profile -- don't know about the outdoor navs though. > These are probably the same set of speeds that you can set > in MapSource. > > In addition, there should also be a slot for the max. speed > for each road in the maps. Newer devices (I don't have one > of them though) along with current maps tell you when you > are driving too fast. This is a feature that had been > introduced by Garmin/Navteq quite recently. > > > -Wolfgang > _______________________________________________ > mkgmap-dev mailing list > mkgmap-dev@lists.mkgmap.org.uk > http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev > _______________________________________________ mkgmap-dev mailing list mkgmap-dev@lists.mkgmap.org.uk http://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
