I've been reading about OpenLayers on James Fee's blog and I'm really
interested in working with it. I'm a long time ArcIMS developer so the
concepts here are close to what I'm used to using (well I'm not used to using
JavaScript which is my problem). I've got a mapfile up and running. MAP NAME
Installation SIZE 800 500 IMAGECOLOR 240 240 240 EXTENT 582919.88200
4182989.235900 610195.822000 4207241.321900 UNITS METERS PROJECTION
"init=EPSG:32616" END WEB IMAGEPATH "/ms4w/tmp/ms_tmp/"
IMAGEURL "/ms_tmp/" METADATA WMS_TITLE "WMS Test"
WMS_ABSTRACT "My attempt at actually moving from ArcIMS to WMS"
WMS_ACCESSCONSTRAINTS "none" WMS_ONLINERESOURCE
"http://localhost:8080/test/test.html"; WMS_SRS "EPSG:32616" END
END LAYER NAME "Installation" TYPE POLYGON STATUS DEFAULT DATA
"Installation_Area.shp" CLASS NAME 'Installation' OUTLINECOLOR 60 60 60
COLOR 255 255 0 SYMBOL 0 END END END Which returns a simple map when I test
it:
http://localhost:8080/cgi-bin/mapserv.exe?MAP=/ms4w/apache/htdocs/test/test.map&mode=map
Now, I've decided to try OpenLayers and this is my code which I borrowed from
one of the examples: <html xmlns="http://www.w3.org/1999/xhtml";> <head>
<style type="text/css"> #map { width: 800px;
height: 475px; border: 1px solid black; } </style>
<script src="OpenLayers.js"></script> <script type="text/javascript">
function init(){ map = new OpenLayers.Map( 'map' ); layer
= new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://localhost:8080/cgi-bin/mapserv.exe?MAP=/ms4w/apache/htdocs/test/test.map";,
{layers: 'Installation'} ); map.addLayer(layer); }
</script> </head> <body onload="init()"> <div id="map"></div>
</body></html> When I run it, I get a tiles which say: msWMSLoadGetMapParams():
WMS server error. Invalid SRS given : SRS must be valid for all requested
layers. Now I looked at the doc and it seems like you can set the projection
which I tried, but it still returned the same error. I'm sure I'm close, but
I'm just a little out of my league right now with openlayers. Any help would be
greatly appreciated. David.
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