[mapserver-users] Re: Dynamic data loading using Google maps andMapserver

Steve Lime Steve.Lime at dnr.state.mn.us
Sat May 2 10:28:01 EDT 2009

One way to do that is to construct MapServer queries based on the event
and submit them using AJAX. This site does just that but with OpenLayers:


Click on the dots and a MapServer query is done behind the scenes. If successful
a little window control is populated, if not, then nothing happens. Simple templates
are used to present the information.


>>> Varun saraf <vsaraf.gmu at gmail.com> 05/01/09 11:54 AM >>>

I just had a look at ImageMap Template on "Output generation"...Can
this be used on google maps to get information pooped up on a
mouseover or mouseclick in tile mode? If not, what is it that I can do
to get a similar result when using Mapserver with google maps?


On Thu, Apr 30, 2009 at 6:30 PM, Varun saraf <vsaraf.gmu at gmail.com> wrote:
> Hi,
> I have successfully drawn layers on of google maps as base using
> mapserver. However, I am trying to figure out how to get data
> dynamically displayed on the web page when a user clicks on a certain
> area. For example, I have divided the entire state of virginia into
> many sectors (using a polygon shp file). My requirement is that I want
> data to come up on the map/web page when the user selects a particular
> sector. I know google provides me with an event api for clicking on
> the map but how do I pass this event to mapserver so it can send me
> the label for that sector from the shape file? I need to be able to
> recognize what sector the user has clicked. Is this possible using
> just the mapserv cgi script and a map file or a MapScript has to be
> written/used? Can someone point me in the right direction here? Even
> providing the link for a previous discussion on this topic would help.
> Thanks,
> Varun
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