Not quite the AI solution you are looking for but I use Viking (http://sourceforge.net/projects/viking/) as a way of quickly overlaying my tracks on OSM maps and then doing a check around the route to see what needs doing.
Kevin Milenko wrote: > Couldn't you just make an assumption in most cases? I would think something > like 15 - 20ft would be OK. Most roads aren't that close (most!) and I'd > think most GPS units are at least that accurate (although I have no > experience with GPS in urban environments). > > Or even better, a site that would let you upload the track and overlay it on > an OSM map with some options that could be changed in realtime. This way > you could fine tune your track if you were in different environments with > varying levels of GPS accuracy. > > -Jeremy > > >> -----Original Message----- >> From: [email protected] [mailto:talk- >> [email protected]] On Behalf Of Ed Avis >> Sent: Tuesday, March 10, 2009 10:44 AM >> To: [email protected] >> Subject: Re: [OSM-talk] Conflating Tracks? >> >> Daniel A Carleton <daniel.carleton <at> exaptic.com> writes: >> >>> Are any of you aware of a conflation algorithm that "snaps" GPS tracks >>> to the street grid? This could be a useful way to verify existing >>> road networks and fill in any gaps. e.g. I go out and ride on city >>> streets, overlay my GPS track on the OSM grid, and the algorithm shows >>> me where I traveled over unknown segments of road or deviated a >>> disproportionate amount. >> To do that you'd ideally want to know the margin of error for the GPS >> readings. >> My GPS unit (Garmin eTrex Vista HCx) shows an error circle on its >> screen >> (giving a tighter circle when there is good reception, and a wider one >> when the >> sky is obscured by tall buildings) but on saving the tracks as GPX this >> information is lost. Is there a way to export the track log including >> error >> circles into a format that the OSM servers recognize? >> >> (It appears that I could connect the unit to a laptop and record the >> tracks with >> gpsd, but I would prefer to just carry the unit and recover the track >> log >> afterwards.) >> >> -- >> Ed Avis <[email protected]> >> >> >> _______________________________________________ >> talk mailing list >> [email protected] >> http://lists.openstreetmap.org/listinfo/talk > > > > _______________________________________________ > talk mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk > _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
