1) WFS strategies:
http://dev.openlayers.org/releases/OpenLayers-2.8/doc/apidocs/files/OpenLayers/Strategy-js.html
http://dev.openlayers.org/releases/OpenLayers-2.8/doc/apidocs/files/OpenLayers/Strategy-js.html
For example try with: wfsstrategy = new OpenLayers.Strategy.BBOX();
2) the layerName is the name of the layer on the server side (what do you
use? Geoserver?);
3) for example in Geoserver each layer belong to a workspace, which has a
namespace URI;
4) on the Style you don't have to explicit the name of the feature, just say
how a feature has to change when it is clicked. If you want a different
beaviour within different features, you can access to the feature
attributes.
In this way for example you have the point radius proportional to the
feature Attribute:
var pointStyle = new OpenLayers.StyleMap({
[...]
"select": new OpenLayers.Style({
pointRadius: '${radius}',
}, {
context: {
radius: function(feature) {
return
(feature.attributes.Attribute) * 10; // whatever you want
}
}
}
});
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