Hi All,
I'm looking for advice on using an ArcGIS Server WMS against a base layer in
Spherical Mercator.
I'm using a modification of the spherical mercator example as per below.
Specifically I'm having difficulty in understanding how to have OpenLayers
request map images from the WMS using a EPSG that ArcGIS Server understands.
I'm using ArcGIS Server 9.3 beta which includes support for spherical mercator
using EPSG:102113. However the sample below creates getmap requests with
EPSG:900913 which result in an invalid SRS message from the WMS. Can anyone
advise as to whether I can have OpenLayers request the WMS in EPSG:102113 so
that they overlay on MultiMap, Google etc?
Many Thanks
Eamonn
<html xmlns="http://www.w3.org/1999/xhtml";>
<head>
<style type="text/css">
#map {
width: 100%;
height: 512px;
border: 1px solid gray;
}
</style>
<script type="text/javascript"
src="http://clients.multimap.com/API/maps/1.1/metacarta_04";></script>
<script src="http://www.openlayers.org/api/OpenLayers.js";></script>
<script type="text/javascript">
var map, ve, merc, vector;
function init(){
var options = {
projection: "EPSG:900913",
units: "m",
maxResolution: 156543.0339,
maxExtent: new OpenLayers.Bounds(-1089992, 7141630,
-402058, 7454716)
};
map = new OpenLayers.Map('map', options);
ve = new OpenLayers.Layer.MultiMap(
"multimap",
{'sphericalMercator': true}
);
merc = new OpenLayers.Layer.WMS("Rivers Agency",
"http://faramir/arcgis/services/RiversAgency/MapServer/WMSServer";,
{'layers': '0,1',
srs: 'EPSG:102113',
'format':'png'},
{'reproject': false,
'opacity': 0.4,
'isBaseLayer': false});
// create a vector layer for drawing
vector = new OpenLayers.Layer.Vector("Editable Vectors");
map.addLayers([ve, merc, vector]);
map.addControl(new OpenLayers.Control.LayerSwitcher());
map.addControl(new OpenLayers.Control.EditingToolbar(vector));
map.zoomToMaxExtent()
}
</script>
</head>
<body onload="init()">
<h3>OpenLayers MultiMap Mercator Example</h3>
<div id="map"></div>
</body>
</html>
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