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Editorial Team
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Asked: 2026-05-22T21:22:27+00:00

There is a beautiful Interactive Conference Map for Google IO 2010 here: http://www.google.com/events/io/2010/map/#level1 Notice

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There is a beautiful “Interactive Conference Map” for Google IO 2010 here:
http://www.google.com/events/io/2010/map/#level1

Notice the overlays and useful layout. It works well on mobile devices too.

I want to do the same thing, but instead of GMaps loading new tiles every time it is panned or zoomed, I want to have all the tiles pre-cached. This also means it wouldn’t need data connection.

Someone told me it was against GMaps Terms of Service to pre-cache the tiles, but have been unable to find out for sure. If it IS against their terms of service, I wonder if there is another way (another service) someone has found, e.g. using OpenStreetMap.

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  1. Editorial Team

    If you’re doing your own tile overlay, then you can certainly cache your tiles. It’s probably a bad idea to cache Google’s tiles, though. See How to cache Google map tiles for offline usage? for some details and also some links to projects that are trying to make it possible to do this anyway.

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