Re: Disappearing Overlays

On Feb 10, 8:53 pm, "geocode...@gmail.com" <geocode...@gmail.com>
wrote:
> On Feb 10, 8:12 pm, "geocode...@gmail.com" <geocode...@gmail.com>
> wrote:
>
>
>
> > On Feb 10, 5:54 pm, michael niland <michael.nil...@gmail.com> wrote:
>
> > >http://www.going-rouge.us/gerrymanderer/gerrymanderer.htm
>
> > > When all the overlays are activated, a large number of them disappear
> > > - typically, this will happen once all but two or three of the
> > > overlays are active. It will correctly display all the overlays, then
> > > when one is added, most will disappear.
>
> > > De-activating a few overlays tends to correct the display.
>
> > > Is there a limit to the number of overlays or geographic points that
> > > Google Maps can display at once? I'd like to implement a "show all" on
> > > this map, to display all the districts in Colorado at once colored by
> > > party, but it can't display all the overlays at the same time.
>
> > I believe that GGeoXml has a poor man's marker manager type function
> > built into it.  This looks like it might be getting confused.  I would
> > experiment with the third party KML parsers (GeoXml and EGeoXml), if
> > they work without problems, it might be worth looking to see if there
> > is an issue reported for this and reporting it with a demonstrator if
> > not.
>
> > I'm pretty sure just loading them all without any of your code will
> > exhibit the same problem.
>
> > The 2.s (stable version=2.140g) seems to work, but the current version
> > (2=2.193c) doesn't.  So this looks like it might be an issue
> > introduced in one of the updates.  Another useful thing to report is
> > the version number at which it was introduced.
>
> This looks like it might be this issue:http://code.google.com/p/gmaps-api-issues/issues/detail?id=2087
> (or maybe the fix for 2024 broke it):http://code.google.com/p/gmaps-api-issues/issues/detail?id=2024
>
> But it does seem to be related to the client side code, so it might be
> a different one.

Demonstrator (uses your kml and a modified version of your code):
works:
http://www.geocodezip.com/gerrymanderer.asp?APIV=2.s

works (API v2.172d):
http://www.geocodezip.com/gerrymanderer.asp?APIV=2.172

doesn't work (API v2.173b):
http://www.geocodezip.com/gerrymanderer.asp?APIV=2.173

So it looks to me like you could hard code version 2.172 for now (no
idea what has been fixed since then, see the changelog for details)

   -- Larry

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