Do these gps apps come with the maps or do you download them separately? Also what is the difference between an IPHone and a Smart Phone? thanks. Lovette
On 2012-06-20, at 10:46 AM, Esther wrote: > Hello Paul and Lynne, > > This is just to note that the nearest cross street feature Paul mentions has > been requested of the developers of Ariadne GPS. They might be able to add > that feature, but my understanding is that there are a couple of reasons for > the limitations. The first is that they are using Google Street Maps for > their map data. This allows them to provide a working app for people > anywhere in the world, and not those living in countries where more detailed > Navteq map coverage exists. But the Google maps API does not provide the > information that would be needed to calculate the nearest cross street, > whether that street is ahead or behind you, or its distance. The Google Maps > API query only allow for: address number, street name, city, zip code, area, > state, country, and some other functions, but not intersection information. > > Geoff Waaler will remember the i-map-u app that was available from 2008 until > early 2011. That app would give the nearest intersection, but only for > locations in the U.S. That was largely because that level of detail was only > available in the U.S. at the time. I recall that in a Google search back in > 2009 I found references to someone's having implemented a nearest > intersection algorithm in one of the large, GPS databases for the U.S., and I > think that's what i-map-u used. The other factor is that the absolute GPS > positional accuracy of the iPhone is probably not good enough to give such > precise distance information in general cases, which may be why apps haven't > picked this up. It would be great if we did have these features, and if > Sendero did come out with a new app that could do this, but I suspect it will > work best in the more populated areas of the U.S., Canada, and Europe. I'd > be interested in hearing from Trekker users elsewhere in the world (for > example, Austr al > ia) about how well this performed. > > I think that the Where To? app is able to calculate and update distances to > your destination because it only has to look up the GPS coordinates of a > fixed number of POI locations and use your current GPS location. That > information is easily retrieved, but I don't think there's a comparable > database of intersection coordinates in easy to use format. > > Just my thoughts. YMMV. > > Cheers, > > Esther > > On Jun 20, 2012, at 4:50 AM, Mrs. Lynnette Annabel Smith wrote: > >> Hello Paul >> >> Assuming that Sendero GPS is an iPhone app, can't you run them both together >> so that you get the functionality of each?> Or would they conflict? >> >> Lynne >> >> >> On 20 Jun 2012, at 15:20, Paul Hopewell <[email protected]> wrote: >> >> Hello, >> I have just tried this app on my iPhone 3GS. It has some nice features but I >> feel it has one major omission. The nice features are: >> - the where am I function tells you which house number you are near to. >> Great if you are looking for a specific house. >> - the favourites function could be very useful for navigating in an open >> space. YOu could set a favourite at the entrance to a park and then use the >> app to get back to that favourite. The app will tell you the distance and >> clock bearing of the favourite. >> >> The big omission is the lack of a "nearest cross street" function similar to >> that in Sendero GPS. I would very much like to press a nearest cross street >> button and hear something like "Pine Road fifty yards east of Park road". >> Alas even Sendero GPS will only say "Pine road near Park road". WIth Ariadne >> GPS I have to go a little distance down a side street I am about to cross to >> get the "where am I" function to recognise that I am on the side street. >> >> Has anyone found a way round the lack of a "nearest cross street" function? >> >> Paul Hopewell > > <--- Mac Access At Mac Access Dot Net ---> > > To reply to this post, please address your message to > [email protected] > > You can find an archive of all messages posted to the Mac-Access forum at > either the list's own dedicated web archive: > <http://mail.tft-bbs.co.uk/pipermail/mac-access/index.html> > or at the public Mail Archive: > <http://www.mail-archive.com/[email protected]/>. > Subscribe to the list's RSS feed from: > <http://www.mail-archive.com/[email protected]/maillist.xml> > > The Mac-Access mailing list is guaranteed malware, spyware, Trojan, virus and > worm-free! > > Please remember to update your membership options periodically by visiting > the list website at: > <http://mail.tft-bbs.co.uk/mailman/listinfo/mac-access/options/> <--- Mac Access At Mac Access Dot Net ---> To reply to this post, please address your message to [email protected] You can find an archive of all messages posted to the Mac-Access forum at either the list's own dedicated web archive: <http://mail.tft-bbs.co.uk/pipermail/mac-access/index.html> or at the public Mail Archive: <http://www.mail-archive.com/[email protected]/>. 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