[OpenLayers-Users] Difference between WMS and WFS on the same Geoserver Layer

[Gabriele Seitz]

Hi there,

the point features in these two layers differ for about 300 meters.
They use the same Geoserver (2.1.1) layer. Native SRS  is EPSG:900913,
Declared SRS is EPSG:4236. The WFS is correct. What's wrong with the WMS? 

var options = {
	controls: [],
	projection: new OpenLayers.Projection("EPSG:4326"),
	displayProjection: new OpenLayers.Projection("EPSG:4326"),
	units: 'm',
	numZoomLevels: 18,
	maxResolution: 156543.0339,
	maxExtent: new OpenLayers.Bounds(-20037508, -20037508,
20037508,20037508.34) 
};

var flaglayer = new OpenLayers.Layer.WMS("WMS",
	"http://domain/geoserver/basic/wms",
	{layers:"basic:gis_elemente",transparent:true});
map.addLayers([flaglayer ]);    

var prueflayer =new OpenLayers.Layer.Vector("Vector", {
	strategies: [new OpenLayers.Strategy.BBOX()],
	protocol: new OpenLayers.Protocol.WFS({
		url:  "http://domain/geoserver/wfs",
		featureType: "gis_elemente",
		featureNS: "http://domain/geoserver/basic",			
	})
				
});
map.addLayers([prueflayer]); 

Thanks for answering.

Gabriele

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