On Sat, Aug 24, 2013 at 04:24:26PM +0200, [email protected] wrote:
back from a long vacation :) > Regarding navit usage, most serious issue still is speed. In the first > "field test" (with default settings in navit.xml) navit map rendering > lags some 2 seconds in time (in "tracking" mode, no "navigation"), which > means some 15-30 meters in distance by 50kmh city speed. Probably OSX > 10.4 on G4 is not well tuned for "realtime" utilisation (but as the > affected navit code was apparently first developed somewhere in 2008, at > that time this hardware was leading edge). people run navit on very slow arm5 WinCE devices and it does generally work quite well there. So raw CPU power is not the problem. Lock on roads did cause some speed issues that were so severe that the program appeared to hang on these slow devices, do not remember the details but probably worth a try. > Then, it looks like the kendau mg220 gps receiver outputs some 10 nmea > sentences per second (half of them are GPGSV and GLGSV), and only once > per second come GPGGA data. What else besides these is necessary for > navit operation? How to turn off others? just one position message per second? Not sure if that will be enough for car navigation. Richard --- Name and OpenPGP keys available from pgp key servers ------------------------------------------------------------------------------ LIMITED TIME SALE - Full Year of Microsoft Training For Just $49.99! 1,500+ hours of tutorials including VisualStudio 2012, Windows 8, SharePoint 2013, SQL 2012, MVC 4, more. BEST VALUE: New Multi-Library Power Pack includes Mobile, Cloud, Java, and UX Design. Lowest price ever! Ends 9/20/13. http://pubads.g.doubleclick.net/gampad/clk?id=58041151&iu=/4140/ostg.clktrk _______________________________________________ Navit-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/navit-users
