[mapserver-users] web development project with mapserver- questions

[Fawcett, David]

Do you really need to create divs?  

You could use MapServer to put the marker on the map in the correct
location (as part of the map image) and have MapServer output it as an
imagemap if all that you need is mouse-over text.  

http://mapserver.org/output/imagemaps.html

If you want to do anything much fancier with putting vector markers on a
map, you might look at something like OpenLayers.
http://www.openlayers.org/  Probably overkill for what you need, but
worth a look.

David.

-----Original Message-----
From: mapserver-users-bounces at lists.osgeo.org
[mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Pablo
Romero
Sent: Thursday, March 19, 2009 2:27 PM
To: mapserver-users at lists.osgeo.org
Subject: [mapserver-users] web development project with mapserver-
questions



Hi,
I need help figuring out a method to do the following:
 
1) use mapserver to create a basic, static image of a given region,
say,for example the following area: lat1=0.00 lat2=40.00 lng1=-120.00
lng2=-40.00 (in decimal degrees)
 
2) use css divs or javascript (or both) to create clickable, hyperlink
"markers" over the map image at specific lat/lon points (similiar to
google map markers, except over a static map image). 
 
The problem Im having is figuring out a way to create the "marker" divs
using absolute (pixel) coordinates over the map image. My marker
locations are in lat/lon, and I would need to translate them to the
map's image coordinates. I thought about just scaling the points based
on the maps's bounds and the map image size, but this would only provide
"linear scaling" which might be fairly inaccurate, and I also want a
method that will work with most map projections. Does this make sense?
 
Does mapserver provide any automated means of creating such "markers"?
Or, is there an existing method of translating 
 
Perhaps this question might not be very mapserver-related, but I was
hoping someone might have experience with this type of setup.
 
Here's an example of what Im basically trying to emulate:
 
http://magicseaweed.com/METARStationHome.php?region=9
 
I dont know if this map image was created with mapserver, but the
general concept stil applies to mapserver: generate a map projection
image, and place geo-referenced objects over the map image...
 
Please help,
Thanks,
P.Romero
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