I'm no expert, but looking at just one of your KML files I think that
you're right. The problem is the complexity of all of your polygons on
the map at the same time.

Have you looked at changing from KML files to using encoded polygons /
polylines? These have the advantage that they 'auto-simplify'
themselves depending on the zoom level. Have a look here:

http://code.google.com/apis/maps/documentation/overlays.html#Encoded_Polylines

Nick

On Jan 18, 2:02 pm, ahoge <[email protected]> wrote:
> Hello members of Google Maps API group :)
>
> I have a very simple page, with a map and about 50 GGeoXml 
> overlays:http://sametinget.dev.imcode.com/jsp/maps_test.jsp.
>
> The problem is that only 3 are shown. I checked, downloaded all of
> the .kml files and opened them in Google Earth, all seem to work and
> are shown there.
>
> If I reduce the number of overlays to 25, they are shown just fine. I
> read the google maps' limitation and all files I use seem to be
> significantly smaller than described there.
>
> My first thought was that overlays are described using too many
> points. Sometimes when the page is being loaded, the overlays are
> added and then most of them disappear, sometimes just a part of an
> overlay flickers a bit and disappears.
> Could I be right and should check the complexity of the shapes in the
> overlays? If so, are there any tools available for analyzing .kml
> files?
>
> I'm using the latest Google Chrome Beta on OS X Snow Leopard. Both are
> up-to-date.
>
> Any help would be appreciated.
> Thanks in advance :)
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