We are using GEOSERVER 2.1.4 to overlay WMS on GoogleMaps V3 with Openlayers .
The problem we have is at different zoom levels the scale of the WMS overlay is different from the scale of the base layer.
It is only at scale 1:1000 and 1:2000 that overlay and base layer coincide.
Any suggestions?
The part of the code:
var map;
var untiled;
var tiled;
var pureCoverage = false;
OpenLayers.Lang.setCode('el');
// pink tile avoidance
OpenLayers.IMAGE_RELOAD_ATTEMPTS = 5;
// make OL compute scale according to WMS spec
OpenLayers.DOTS_PER_INCH = 25.4 / 0.28;
function map_reg_init(){
// if this is just a coverage or a group of them, disable a few items,
// and default to jpeg format
format = 'image/png';
if(pureCoverage) {
document.getElementById('filterType').disabled = true;
document.getElementById('filter').disabled = true;
document.getElementById('antialiasSelector').disabled = true;
document.getElementById('updateFilterButton').disabled = true;
document.getElementById('resetFilterButton').disabled = true;
document.getElementById('jpeg').selected = true;
format = "image/jpeg";
}
var projEGSA=new OpenLayers.Projection("EPSG:2100");
var projLONLAT = new OpenLayers.Projection("EPSG:4326");
var projGOOGLE=new OpenLayers.Projection("EPSG:900913");
var bounds = new OpenLayers.Bounds(
2327363.1529655424, 4805801.76429202,
2328463.0753220413, 4806793.842097636
);
var scales = [500, 1000, 2000, 4000, 5000, 10000, 15000, 25000, 50000];
var resolutions = [];
for(var i = 0; i < scales.length; i++) {
resolutions.push(OpenLayers.Util.getResolutionFromScale(scales[i], 'm'));
}
var options = {
controls: [],
maxExtent: bounds,
scales: scales,
maxResolution: 156543.0339,
numZoomLevels : 22,
allOverlays : true,
projection: "EPSG:900913",
units: 'm'
};
var mousePointerStyle = 'default';
