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? :) (a local tile server would be trivial, but routing... that's another matter as technically it may not be that hard as its just solving a graph, the problem is having the right graph data with the right weighting, and then a whole tonne of "fuzzy logic" thrown in to cover up "odd solutions" that may come out of the graph that a human would never make). -- ------------- Codito, ergo sum - "I code, therefore I am" -------------- The Rasterman (Carsten Haitzler) ras...@rasterman.com ------------------------------------------------------------------------------ WhatsUp Gold - Download Free Network Management Software The most intuitive, comprehensive, and cost-effective network management toolset available today. Delivers lowest initial acquisition cost and overall TCO of any competing solution. http://p.sf.net/sfu/whatsupgold-sd _______________________________________________ enlightenment-devel mailing list enlightenment-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/enlightenment-devel
