> -Is there any way to make the points plotted by a WMS clickable? In
> our current app our points open popups when clicked, and we'd like to
> replicate that.
>
That is what I mean by using WFS to query. When you click, you do say a
dwithin or bbox search.
Eg setup the wfsprotocol (I associate with a layer)
wfsProtocol = new OpenLayers.Protocol.WFS.v1_1_0({
url: mylayerURL,
geometryName: "SHAPE",
featurePrefix: mylayerprefex,
featureType: mylayerFeaturetype,
srsName: mySRS
});
Then for the event handler, add.
wfsProtocol.read({
filter: new OpenLayers.Filter.Spatial({
type: OpenLayers.Filter.Spatial.DWITHIN,
distance: dist,
distanceUnits: "meters",
value: e.feature.geometry
}),
callback: processSpatialQuery,
scope: strategy
});
This should be discussed on Openlayers list however. Be careful with
DWITHIN in Geoserver - it doesnt respect units (except to complain if
they are not standard), nor does it respect SRS, (Mapserver does), so
make sure what is passed to DWITHIN is terms of native SRS and units.
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