On Sat, 30 Apr 2011 11:33:51 +0900 Carsten Haitzler (The Rasterman) <ras...@rasterman.com> wrote:
> On Sat, 30 Apr 2011 08:56:11 +1000 David Seikel <onef...@gmail.com> > said: > > > On Sat, 30 Apr 2011 02:12:49 +0900 sangho park <gouach...@gmail.com> > > wrote: > > > > > as basic concept, route information can be acquired by service, > > > not local data. > > > we can extend route for shortest path using local backing store, > > > but it's just option. > > > yes..yes.. it'll be very good feature that uses local map and > > > route data, but we should overcome so many license issues. > > > > Personally I think it's absolutely critical to be able to do local > > routing. That's my main use case, navigating out in the wild when I > > have no data connection. "Semi manual" routing is OK, that's even > > a desired feature. Pick out a few waypoints, draw some route > > segments, tell it to follow this road or river from waypoint C to > > waypoint D, but keep the A to B to C and D to E segments... > > > > Perhaps, if we have to, precalculate route segments when there is a > > data connection, store them; then manipulate them later, adding or > > removing them to a particular route. > > > > /me does not want to be stuck out in the middle of nowhere with no > > routing ability. > > to me this all seems like it would be best done as client-server > locally too. unlike remote map server, it has 1 shortcut - you don't > DOWNLOAD map tiles. you are directly pointed to the file. this way > routing can be offloaded to the local mapserver (and calculating a > route can take a long time, and need a lot of route data, so this > makes sense). all the abstraction needs is the short cut ability for > tiles. > > someone still then has to write that local server and routing > engine :) do you want to? :) If I was not already buried under the TODO list from hell. I'm mostly just pointing out my concern at the early design stage, so that those that ARE working on it don't assume that a 'net connection will be available at a critical point in time - when you are lost in the middle of nowhere and need to find the way home. On the other hand, I do want to eventually see an EFL version of the sorts of stuff I run on my smart phone. When the time comes that I can have some time for it, I'll no doubt pitch in and lend a hand. Right now I'm working on what might be a predecessor project that might eventually grow up to be the smart phone system I want. This project is likely to have stuff to contribute to EFL. -- A big old stinking pile of genius that no one wants coz there are too many silver coated monkeys in the world.
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