[Tilesathome] Fwd: Using OSM on the iPhone

[Matthias Julius]

spaetz <osm at sspaeth.de> writes:

> On Tue, Jul 22, 2008 at 03:56:36PM +0200, Gernot wrote:
>
>>  Hm, that's a pity. Because downloading several of the big tiles for
>> making the image on the device is not really an option due to
>> bandwidth issues...
>
> I fail to see how downloading the few tiles yourself and cropping a
> few pixel away makes it much more expensive than fetching one big
> image. It should basically be the same. In any case, MapOf is supposed
> for people who want to have one nice picture for their web page, it's
> not the mobile app map displaying source.

I don't know the screen size of the iPhone.  But, if the tiles are
large relative to the screen you end up throwing away a lot of
pixels.  If the screen is 256x256 you throw away 75% of them in most
cases.  I guess this is why he also was asking for smaller tiles.

Matthias