Google Earth also pulls it's image data from Google's servers as
needed, just like Google Maps, so using that instead will not buy you
any additional offline-ness.
-G
On Feb 15, 2009, at 6:13 PM, Rossko wrote:
>
>> All i know is that they are using Java Script. That means to me, that
>> they run totally on client side. So when someone calls the website
>> showing a Google Map he acutally loads the JavaScript into the
>> browser. After that he could theoretically unplug his internet
>> connection and still have the map work, when hes moving around on the
>> map.
>
> Well, no - the javascript is just the program. The map is fetched as
> a series of images ('tiles') only as and when needed. So all you get
> is the ones in view. Pan very far, or zoom in or out, and new tiles
> are needed. No internet, no tiles. The whole world at all zoom
> levels and possible map types is several gigabytes ...
>
> If you want offline, look at Google Earth which is freestanding (and
> many megabytes of data of course)
>
> cheers, Ross K
> >
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