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 <m...@mikecrash.com> 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
>> > community@lists.openmoko.org
>> > 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
>> community@lists.openmoko.org
>> http://lists.openmoko.org/mailman/listinfo/community
>>
> 
> _______________________________________________
> Openmoko community mailing list
> community@lists.openmoko.org
> 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
community@lists.openmoko.org
http://lists.openmoko.org/mailman/listinfo/community

Reply via email to