This is not a good idea. Rendering such amount of data will take a (long) while, also there si problem where to save it (little memory and slow card), also you need any map angle at any time. And rendering speed is not a big problem, it seems to work fine (or at least satisfactorily).
Yorick Moko wrote: > > might be an idea worth considering: > > have the possibility to calculate a route, and pre-render the bitmaps of > your route (at a few zoom-levels) > This way it doesn't have to be done on the fly when you know for example > where you are going to travel to > when you don't follow the planned route it will of course render new files > when nescessary > > you should also have the option to delete them afterwards of course > > or maybe a setting "two way trip"; > this setting wil save all the rendered files on your way to your > destination, > use the pre-rendered images on your way back, and ask you if you want to > delete them when you return home > > > just an idea > > On Mon, Dec 14, 2009 at 10:32 AM, Mike Crash <[email protected]> wrote: > >> >> Sure I'm using speed data from OSM and if not available, set it based on >> way >> type and common speeds. I can find shortest and fastest path. No >> detection >> if road is in the city yet. >> >> I made some progress in last days and I'm going to use it for the first >> time >> to drive home today :) >> >> >> Bastian Muck wrote: >> > >> > -----BEGIN PGP SIGNED MESSAGE----- >> > Hash: SHA1 >> > >> > Mike Crash schrieb: >> >> I use A* for routing, it is usable, but still not what I expect. >> >> But I have some improvements in my mind :) I need to create >> >> rerouting now and to test it in real life >> > >> > I don't have any idea, how the code looks like, but I guess, that you >> > use gps-positions as heuristic and distances as edge-weights. That >> > means that you always get the shortest path. If you want to get the >> > fastes path, then you have to use timevalues calculated by possible >> > speed and edge-length. With openstreetmaps that can be difficult, >> > because many roads don't have any speedsproperties. You often only can >> > use the roadtype depending on country to guess the speed. >> > Maybe you used this, but in a first shit, I guess that you don't. >> > >> > I hope these ideas can help you improving your tool. >> > >> > Greetings Bastian >> > >> > -----BEGIN PGP SIGNATURE----- >> > Version: GnuPG v1.4.7 (MingW32) >> > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ >> > >> > iD8DBQFLI6B6lYiDScJJ+7QRAugfAKD4cLPiucAwIP2eXajmSlMdRSyKxQCg3q6D >> > bChe84DmVlpTa9dx4dBzE2o= >> > =II9r >> > -----END PGP SIGNATURE----- >> > >> > >> > _______________________________________________ >> > Openmoko community mailing list >> > [email protected] >> > http://lists.openmoko.org/mailman/listinfo/community >> > >> > >> >> -- >> View this message in context: >> http://n2.nabble.com/Navigation-tp4141297p4163143.html >> Sent from the Openmoko Community mailing list archive at Nabble.com. >> >> _______________________________________________ >> Openmoko community mailing list >> [email protected] >> http://lists.openmoko.org/mailman/listinfo/community >> > > _______________________________________________ > Openmoko community mailing list > [email protected] > http://lists.openmoko.org/mailman/listinfo/community > > -- View this message in context: http://n2.nabble.com/Navigation-tp4141297p4170094.html Sent from the Openmoko Community mailing list archive at Nabble.com. _______________________________________________ Openmoko community mailing list [email protected] http://lists.openmoko.org/mailman/listinfo/community
