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How can I dynamically change a SLD style of a WMS layer being served by GeoServer from PostGIS?

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up vote 1 down vote accepted

I've found an answer in http://osgeo-org.1560.x6.nabble.com/dynamic-SLD-with-openlayers-td3806595.html

It solved my problem. Example:

  var tiled = new OpenLayers.Layer.WMS ("state","http://localhost:8080/geoserver/wms", {......})

 tiled.mergeNewParams({SLD :some_sld_url }); 

If layer already had styles specified by "Styles" property, then you have to set it to null:

tiled.mergeNewParams({ SLD: some_sld_url, STYLES: null });

There is no need to redraw the layer. "mergeNewParams" will do it.

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