The points were coming from a database of US zipcode centroids.  The
natural assumption was that everything was in the northwest
hemisphere.  I multiplied the longitude values by -1, and all was well
in the world.

I will try to figure out the marker manager tomorrow.  Thanks for the
help.

On Oct 30, 5:16 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
wrote:
> On Oct 30, 2:05 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
> wrote:
>
> > On Oct 30, 1:15 pm, Sepideh  Miller <[EMAIL PROTECTED]> wrote:
>
> > > I load a point.
>
> > > Then I try to load some more points, and they don't show up.  It takes
> > > a long time to happen so I know that my script is doing something with
> > > my XML file, but I am not sure exactly what it is doing since none of
> > > the other points ever appear.
>
> > I see them.   Zoom out, they are on the other side of the world.
>
> It looks like either your database or your script that process the
> data is removing the "-" sign from the longitude values (perhaps the
> latitude as well, but I don't think any of your points are in the
> southern hemisphere).
>
>   -- Larry
>
>
>
> > > You can find my map here.http://www.msmsaa.org/maps.html
>
> > > Once I get the markers to show up, I was thinking that marker manager
> > > might help me manage my 700 or so markers so they do not all clutter
> > > the map.  Is this a reasonable option?
>
> > Could be, depends on how you expect your users to use the map.
>
> > > Ideally, I would create some more specific database query based on the
> > > boundaries of the map.  But I am not sure how I would pass the
> > > boundaries of the map to my php script that is doing the queries.  I
> > > know you can do this with either ajax or GET.  I was hoping to use the
> > > GET to do this, but I am not exactly sure how.
>
> > There is a tutorial that may help 
> > you:http://groups.google.com/group/Google-Maps-API/msg/685d1061c320c047
> > others 
> > here:http://groups.google.com/group/Google-Maps-API/web/links-to-examples-...
>
> >   -- Larry
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