OK- so here's what you've got to do. Start with your working Google map.
This will set the Google layers as your base layers and the map will have a
sphericalMercator projection. Add your layers from geoserver as Overlay
layers and they should reproject from EPSG:4326 to EPSG:900913 on-the-fly.
You were trying to switch between 4326 and 900913 basemaps, which was why
nothing was working correctly. This should work:
<html>
<head>
<link rel="stylesheet"
href="http://openlayers.org/api/theme/default/style.css"; type="text/css" />
<link rel="stylesheet"
href="http://openlayers.org/dev/examples/style.css"; type="text/css" />
<script src="http://openlayers.org/dev/OpenLayers.js";></script>
<script type="text/javascript"
src="http://maps.google.com/maps/api/js?sensor=false";></script>
<script type="text/javascript">
var map;
function init() {
var options = {
maxExtent: new OpenLayers.Bounds(-20037508.34,
-20037508.34, 20037508.34, 20037508.34),
maxResolution: "auto",
projection: new OpenLayers.Projection("EPSG:900913"),
units: 'm'
};
map = new OpenLayers.Map('map', options);
map.addControl(new OpenLayers.Control.LayerSwitcher());
var gsat = new OpenLayers.Layer.Google(
"Google Satellite",
{type: google.maps.MapTypeId.SATELLITE, numZoomLevels: 22}
);
var NE_image = new OpenLayers.Layer.WMS(
"Natural Earth", "http://localhost:8080/geoserver/wms";,
{layers: 'cite:NE12', transparent: true}, {isBaseLayer: false}
);
var arkansas = new OpenLayers.Layer.WMS(
"Arkansas", "http://localhost:8080/geoserver/wms";,
{layers: 'cite:arkansas', transparent: true}, {isBaseLayer: false}
);
map.addLayers([gsat,NE_image,arkansas]);
// Google.v3 uses EPSG:900913 as projection, so we have to
// transform our coordinates
map.setCenter(new OpenLayers.LonLat(10.2, 48.9).transform(
new OpenLayers.Projection("EPSG:4326"),
map.getProjectionObject()
), 5);
}
</script>
</head>
<body onload="init()">
<h1 id="title">OpenLayers: Google Layer Example</h1>
<div id="map" class="smallmap" style="width: 1500; height: 500"></div>
</body>
</html>
-----
Bryan R. McBride, GISP
http://www.bryanmcbride.com bryanmcbride.com
http://geoserving.net/ geoserving.net
--
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