[OpenLayers-Users] How to use WMSGetFeatureInfo to get features
andadd it to map?
ahwangyuwei at sina.com
ahwangyuwei at sina.com
Wed Apr 7 21:55:24 EDT 2010
I'm using WMSGetFeatureInfo to get Featureinfo.
How can I get Feature from the WMSGetFeatureInfo 's response?
And add them to map?
I am imitating the Control OpenLayers.Control.WMSGetFeatureInfo's bahavior.
It's available?
map.events.register('click', map, function (e) {
document.getElementById('nodelist').innerHTML = "Loading... please wait...";
var params = {
REQUEST: "GetFeatureInfo",
EXCEPTIONS: "application/vnd.ogc.se_xml",
BBOX: map.getExtent().toBBOX(),
X: e.xy.x,
Y: e.xy.y,
INFO_FORMAT: 'text/html',
QUERY_LAYERS: map.layers[0].params.LAYERS,
FEATURE_COUNT: 50,
Layers: 'CHN',
Styles: '',
Srs: 'EPSG:4326',
WIDTH: map.size.w,
HEIGHT: map.size.h,
format: format};
updateFeatureInfoFilters(params);
OpenLayers.loadURL("http://159.226.13.203:8080/geoserver/wms", params, this, setHTML, setHTMLx);
OpenLayers.Event.stop(e);
});
}
var parseformat= new OpenLayers.Format.WMSGetFeatureInfo();
function setHTML(response){
document.getElementById('nodelist').innerHTML = response.responseText;
var doc = response.responseXML;
if(!doc || !doc.documentElement) {
doc = response.responseText;
}
var features = parseformat.read(doc);
highlightLayer.addFeatures(features);
};
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