It may be useful to look at the timestamp associated with the location. It will tell you when that location was fixed. When inside, I have seen it go to several days old.
On Nov 12, 11:05 am, Remi Grumeau <[email protected]> wrote: > On Thu, Nov 12, 2009 at 17:27, Chris Collett <[email protected]>wrote: > > > Have you tried testing it with another service besides gmaps? Just curious, > > it could be Google Maps. > > Sure, i thought the same first ... and then i refresh the page two or three > times. > On the first run, it's always a dozen meters away, first refresh too. But > from the second one, it's a couple of inch accurate ! > > Check by yourself on this previous example. > Strange behavior btw ... > > I'll try to do so with a Bing! map and Yahoo! too > > > > > > > On Thu, Nov 12, 2009 at 11:15 AM, StanRB > > <[email protected]>wrote: > > >> I've had the same issue of poor accuracy. I think it is much more > >> accurate on the iPhone 3Gs. Anybody know if there is a way to make the > >> phone use only the GPS and not other means of getting location? > > >> This is my first post on this group. I spent some time reading around. > >> I hope I can contribute - I certainly have a lot of questions :)! > > >> Cheers! > > >> On Nov 12, 6:40 am, Remi Grumeau <[email protected]> wrote: > >> > Made some test again, and it's a bit more accurate ... but like Ryan > >> says, > >> > it definitely needs an outside clear sky use. > >> > try it herehttp://www.remi-grumeau.com/iphone/geolocalisation_test.php > >> > <http://www.remi-grumeau.com/iphone/geolocalisation_test.php>(simple > >> HTML5 > >> > geolocalisation use and put back onto a Google Maps API) > > >> > On Thu, Nov 12, 2009 at 00:36, Ahrjay <[email protected]> wrote: > > >> > > On Nov 8, 9:39 am, Daniel Larkin <[email protected]> wrote: > >> > > > Do I need to make multiple calls to geolocation perhaps? > > >> > > Depends how you are calling it. Are you watching the position object > >> > > so it fires everytime the gps gets a new location? > > >> > > From the spec "The API itself is agnostic of the underlying location > >> > > information sources." meaning it will work with what it has available. > >> > > On the iPhone it'll use GPS, Cell Tower Triangulation and/or IP > >> > > address. If you results aren't great it may not be using the GPS and > >> > > falling back to one of the other options. > > >> > > I wrote an article and did a demo on using the geolocation api on the > >> > > iPhone.http://www.thecssninja.com/javascript/geolocation-iphone, I > >> > > get very accurate results when using it outside with a clear view of > >> > > the sky. > > >> > > -Ryan > >> > > --~--~---------~--~----~------------~-------~--~----~ > >> > > You received this message because you are subscribed to the Google > >> Groups > >> > > "iPhoneWebDev" group. > >> > > To post to this group, send email to [email protected] > >> > > To unsubscribe from this group, send email to > >> > > [email protected]<iphonewebdev%2bunsubscr...@google > >> > > groups.com> > >> <iphonewebdev%[email protected]<iphonewebdev%252bunsubscr...@g > >> ooglegroups.com> > > >> > > For more options, visit this group at > >> > >http://groups.google.com/group/iphonewebdev?hl=en > >> > > -~----------~----~----~----~------~----~------~--~--- > > >> -- > > >> You received this message because you are subscribed to the Google Groups > >> "iPhoneWebDev" group. > >> To post to this group, send email to [email protected]. > >> To unsubscribe from this group, send email to > >> [email protected]<iphonewebdev%2bunsubscr...@google > >> groups.com> > >> . > >> For more options, visit this group at > >>http://groups.google.com/group/iphonewebdev?hl=. > > > -- > > You received this message because you are subscribed to the Google Groups > > "iPhoneWebDev" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > > [email protected]<iphonewebdev%2bunsubscr...@google > > groups.com> > > . > > For more options, visit this group at > >http://groups.google.com/group/iphonewebdev?hl=. -- You received this message because you are subscribed to the Google Groups "iPhoneWebDev" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/iphonewebdev?hl=.
