The maps API has problems with large KML files. Around 1 MB or so, and
you will notice a slowdown in loading. So you can try making your kml
files smaller - they often contain a lot of stuff not necessary for
the display you are interested in. One thing in particular that can
help a lot is the number of significant digits in the coordinate
values - 6 is all you need.

Another idea that might work better for you is to download ESRI's
ArcGIS Explorer. It is a free application similar to Google Earth. It
handles KML files and has a measurement tools feature.

On Oct 20, 11:39 am, chrisfullwood <[EMAIL PROTECTED]> wrote:
> I am trying to use KMZ files, built from KML files, and overlay them
> on my google maps API page.
>
> the KML files work, but are extremely slow. we can overlay KML files
> very quickly over google Earth, however the tools we want to use
> online arent available in the Earth API (that i have been able to
> find) for example a measure tool. and switching to maps.
>
> the KMZ files work fine in google earth, on my computer, but not in
> the web version.
>
> if anyone can point me in the right direction i would appreciate it.
>
> i am working on windows XP, using version 2 of everything for google.
>
> what we are trying to do, is have a page where we can find what we
> want in earth, click the icon and switch to maps, and then measure
> distances on the map accordingly (which works on maps) but not earth.
>
> thanks
> Chris
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