Re: Google maps & caching

2007-04-07 Thread Andrew Turner

This isn't entirely a restriction set by Google, but by the
originating data providers such as NavTeq or Teleatlas. They have
licensed the data to Google to use through their API. This restricts
third parties from them storing & reusing this data in their own way.

Yahoo recently put down uses like this in other open-projects.

In the end, just don't do it. Their are other alternatives (trying to
run Gmaps mobile, OpenStreetMap, other data sources, appealing to GPS
Map vendors).



On 4/4/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:

Hi All,

I've read through several threads on this list, and others, which
discuss the use of Google Maps for mobiles. It has been mentioned
several times that Google doesn't allow map tiles to be cached. I've
read through the Google Maps API "Terms of Use" and I can't seem to find
any mention of caching being prohibited. Could someone please point me
to the relevant section please?

I find it a little odd that Google doesn't allow caching of map tiles as
they are quite large and I can imagine Google's server & bandwidth costs
are huge if every tile is fetched directly without going through a
caching http proxy.

My train of thought is going along the lines of running squid or similar
on the actual phone...


Cheers,

Tom

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Andrew Turner
[EMAIL PROTECTED]42.4266N x 83.4931W
http://highearthorbit.com  Northville, Michigan, USA

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Re: Google maps & caching

2007-04-04 Thread adrian cockcroft

When I use filez to look at the stuff stored on my PalmOS Treo 650
there is a fairly obvious google maps cache file. So I'm pretty sure
they do cache tiles for performance, the point is that we cannot
decode or use that tile cache for any other purpose.

Adrian

On 4/4/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:

Hi All,

I've read through several threads on this list, and others, which
discuss the use of Google Maps for mobiles. It has been mentioned
several times that Google doesn't allow map tiles to be cached. I've
read through the Google Maps API "Terms of Use" and I can't seem to find
any mention of caching being prohibited. Could someone please point me
to the relevant section please?

I find it a little odd that Google doesn't allow caching of map tiles as
they are quite large and I can imagine Google's server & bandwidth costs
are huge if every tile is fetched directly without going through a
caching http proxy.

My train of thought is going along the lines of running squid or similar
on the actual phone...


Cheers,

Tom

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Google maps & caching

2007-04-04 Thread thomas.cooksey
Hi All,

I've read through several threads on this list, and others, which
discuss the use of Google Maps for mobiles. It has been mentioned
several times that Google doesn't allow map tiles to be cached. I've
read through the Google Maps API "Terms of Use" and I can't seem to find
any mention of caching being prohibited. Could someone please point me
to the relevant section please?

I find it a little odd that Google doesn't allow caching of map tiles as
they are quite large and I can imagine Google's server & bandwidth costs
are huge if every tile is fetched directly without going through a
caching http proxy.

My train of thought is going along the lines of running squid or similar
on the actual phone...


Cheers,

Tom

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