Hello Matthias, It could be due to a different screen resolution, that zoom levels are handled differently. Anyway it looks like a lot of work to copy over the cache. I am currently developing an offline navigation application which is suited for your needs. It's not yet in the store, but the sources are available on github.
https://github.com/fransschreuder/OSMScout-ubuntu Opening the project in ubuntu-sdk, build and install it seems like less work to me than manually converting image tiles. Regards, Frans On 13-06-15 16:52, Matthias Apitz wrote: > Hello, > > The background of my question is, that I often travel to places where > you do not have access to Internet via data mobile. In my netbook with > FreeBSD I'm using foxtrotGPS and pre-fetched tiles, i.e. they are already > stored in the disk and foxtroGPS makes use of the png-files. There is a > small C-written tool which generates all tiles file names for the two > coordinates of a rectangle you give to that tool. > Than one just uses wget to fetch down the ~1000000 tiles and you have > them stored in the disk for offline usage. > > The name structure is the same as in the OSM server, i.e. for example: > > 9/266/170.png > > The OSMTouch app caches the tiles below > /home/phablet/.cache/me.yohanboniface.osmtouch/ > > and the tiles for that same place has for the OSMTouch the name > > osm_100-1-9-266-170.png > > Both cover the same region of the map in zoom level 9. So far so good. > > I was thinking to copy over the tiles from my netbook to the BQ and just > generating on the fly the correct names osm_100-1-..... > > But, I have compared the files and they have a different look and feel (both > attached). Anybody knows why they are different? > > Thanks > > matthias > > >
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