Thanks for the info. Got it working.
2008/10/28 Arnd Wippermann <[EMAIL PROTECTED]>
> Try this, to get all attributes for the feature:
>
> function onFeatureSelect(feature) {
> var Msg="";
> for(var key in feature.attributes)
> Msg += key + ":" + feature.attributes[key] + "\r\n";
> alert(Msg);
> }
>
> but perhaps you mean city_name instead of citiy_name.
>
> Arnd Wippermann
>
>
> ------------------------------
> *Von:* [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> *Gesendet:* Dienstag, 28. Oktober 2008 11:47
> *An:* Eric Lemoine
> *Cc:* Arnd Wippermann; users@openlayers.org
> *Betreff:* Re: [OpenLayers-Users] WFS Layers, Markers, Popups
>
> Thanks for the info. Got the featureselected event working.
>
> I am having the issue of obtaining attributes of a feature.
>
> This is how my code look like.
>
> wfs_cities = new OpenLayers.Layer.WFS( "WFS Cities",
> "http://localhost:8080/geoserver/wfs";,
> {typename: "topp:cities",
> extractAttributes : true
> },
> {styleMap: new OpenLayers.StyleMap({
> "default": cities_symbolizer//,
> //"select" : cities_symbolizer_select
> })}
> );
>
> var selectControl = new OpenLayers.Control.SelectFeature(
> wfs_cities,
> {onSelect : onFeatureSelect});
>
> function onFeatureSelect(feature) {
> alert(feature.attribute.citiy_name);
> }
>
> map.addControl(selectControl);
> selectControl.activate();
>
> The alert above does not show any output.
> By following this method is it necessary to do the following also to
> extract attribute information using GetFeature ?
>
> wfs_cities.events.register('featureselected', map, function (e) {
> document.getElementById('nodelist').innerHTML = "Loading";
> var url = wfs_cities.getFullRequestString(
> {
> //SERVICE : 'WFS',
> REQUEST: "GetFeature",
> 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[2].params.LAYERS,
> PROPERTYNAME: 'the_geom',
> FEATURE_COUNT: 50
> //FILTER: '<wfs:FeatureCollection xmlns:wfs="
> http://www.opengis.net/wfs"; xmlns:ogc="http://www.opengis.net/ogc";
> service="WFS" version="1.1.0" xmlns:gml="http://www.opengis.net/gml
> "><gml:featureMember><ogc:Filter><ogc:Contains><ogc:PropertyName>the_geom</ogc:PropertyName><gml:Point><gml:coordinates>'+lonlatxy+'</gml:coordinates></gml:Point></ogc:Contains></ogc:Filter></gml:featureMember></wfs:FeatureCollection>',
> //WIDTH: map.size.w,
> //HEIGHT: map.size.h
> },
> "http://localhost:8080/geoserver/wfs";
> );
>
> Thanks in advance
>
>
> 2008/10/28 Eric Lemoine <[EMAIL PROTECTED]>
>
>> As Arnd said you should use vectors styled with externalgraphic and
>> the select feature control to be able to select your markers and
>> display a popup on feature selection. To be notified on feature
>> selection register a listener on the layer's featureselected event.
>> featureselected listeners receive an object with a feature property
>> referencing the selected feature. This is shown in the example Arnd
>> pointed you to. Eric
>>
>> 2008/10/28, Indika Tantrigoda <[EMAIL PROTECTED]>:
>> > Thanks for the reply.
>> >
>> > It seems that when I click within the marker, I get different lon, lat
>> > values.
>> >
>> > Is it necessary to bind the markers to something ?
>> >
>> > Also with the extractAttributes:true, how can I access the attributes of
>> the
>> > feature ?
>> >
>> > Regards,
>> > Indika
>> >
>> > 2008/10/27 Arnd Wippermann <[EMAIL PROTECTED]>
>> >
>> >> you can use a select control for the wfs layer.
>> >>
>> >> http://openlayers.org/dev/examples/select-feature-openpopup.html
>> >>
>> >> If you have load the wfs layer with extractAttributes: true, then your
>> wfs
>> >> data are saved in the attributes of the features.
>> >>
>> >> Arnd Wippermann
>> >>
>> >> ------------------------------
>> >> *Von:* [EMAIL PROTECTED] [mailto:
>> [EMAIL PROTECTED]
>> >> *Im Auftrag von *Indika Tantrigoda
>> >> *Gesendet:* Montag, 27. Oktober 2008 16:17
>> >> *An:* OpenLayers users mailing list
>> >> *Betreff:* [OpenLayers-Users] WFS Layers, Markers, Popups
>> >>
>> >> Hi,
>> >> I have a wfs layer that displays points on my map, using markers.
>> >> I would like to have a popup that displays data regarding the point
>> which
>> >> would get activated for a click event.
>> >>
>> >> I tried the following but, it seems to return all the data regarding
>> the
>> >> wfs layer, not the single point, irrespective of
>> >> where I click on the map.
>> >>
>> >> wfs_cities.events.register('click', map, function (e) {
>> >> document.getElementById('nodelist').innerHTML =
>> >> "Loading...
>> >> please wait...";
>> >> var url = map.layers[2].getFullRequestString(
>> >> {
>> >> REQUEST: "GetFeature",
>> >> 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[2].params.LAYERS,
>> >> FEATURE_COUNT: 50,
>> >> WIDTH: map.size.w,
>> >> HEIGHT: map.size.h
>> >> },
>> >> "http://localhost:8080/geoserver/wfs";
>> >> );
>> >>
>> >> Any ideas how I can get around this ?
>> >>
>> >> Thanks in advance.
>> >>
>> >> Regards,
>> >> Indika
>> >>
>> >
>>
>
>
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