[maemo-developers] Attn map application developers: common cache for maps

[From: Till Harbaum / Lists]

Hi,

you want to store hundreds of megabytes of map data in ram ... cool ...

And what's the advantage of a database if you want to store files?

Till

Am Montag 11 Januar 2010 schrieb steven gu:
> Hi:
> 
> Have you ever considered using two types of caches? Memory cache(maybe shared memory) and persistent cache(sqlite?).
> 
> Best regards,
> Asongala
> 
> --
> http://code.google.com/p/xinfomap/
> http://code.google.com/p/xinfoqr/
> 
> > 
> > Hi all,
> >    I'd like to propose a standard location to store cached map tiles 
> > (from openstreetmaps, google, or whichever), so to avoid re-downloading 
> > the same tiles when a user is using several applications which store 
> > their data in different directories.
> > 
> > I'm working on maemo-mapper at the moment, and I know there are other 
> > applications (eCoach for instance) that are using map data. We could 
> > save user's bandwidth, time and flash space if we put the map tiles in 
> > the same place.
> > 
> > I would suggest using
> > ~/MyDocs/.maps/<provider>/<type>/<zoom>/<tile x>/<tile y>.png
> > 
> > Where <provider> can be "google.com", "openstreetmap.org" or others, and 
> > <type> is "street", "satellite", "hybrid", etc.
> > 
> > Does anyone have a better proposal?
> > 
> > Any map application developers here, interested in sharing maps with 
> > maemo-mapper?
> > 
> > Ciao,
> >    Alberto
> > 
> > -- 
> > http://www.mardy.it <- geek in un lingua international!
> > 
> >
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