[OpenLayers-Users] Couple of questions using WFS layer

Stephen Woodbridge woodbri at swoodbridge.com
Sun Feb 8 19:04:08 EST 2009


Robert,

Thank you! that was obvious and documented. I must have read the WFS 
page 2-3 times and never noticed the extractAttributes property. DUH!

Thanks,
   -Steve

Robert Sanson wrote:
> 
> Hi Stephen
>  
> Here is some code I use. I load the WFS layer as a GML, and make sure 
> that extractAttributes is set to True on load:
>  
> var apigml = new OpenLayers.Layer.GML("Selected Apiary",
>                  
> "http://10.65.192.1/cgi-bin/apimgwfs.exe?apiaryid="+apiaryid+"&request=getfeature&typename=apiaries&service=wfs&version=1.0.0&BBOX="+x1+","+y1+","+x2+","+y2 
> <http://10.65.192.1/cgi-bin/apimgwfs.exe?apiaryid="+apiaryid+"&request=getfeature&typename=apiaries&service=wfs&version=1.0.0&BBOX="+x1+","+y1+","+x2+","+y2>,
>                  {styleMap: myStyles, extractAttributes: true});
>          map.addLayer(apigml);
>          var options = {
>                     hover: true,
>                     onSelect: function(feature) {
>                       OpenLayers.Util.getElement('apiary').innerHTML = 
> "<strong>Apiary_id:</strong>" + feature.attributes.apiary_id + " 
> <strong>Beekeeper_reg_no:</strong>" + 
> feature.attributes.beekeeper_reg_no + " <strong>MAF_id:</strong>" + 
> feature.attributes.maf_id
> Cheers,
>  
> Robert Sanson                    }
> 
>  >>> Stephen Woodbridge <woodbri at swoodbridge.com> 9/02/2009 10:26 a.m. >>>
> Hi all,
> 
> I'm making progress but can't find the attributes of the WFS features.
> 
> My goal is to load a WFS layer, pull the attributes into a div as a
> scrolling list of items and when you mouse over the item in the
> scrolling list have it highlight the feature on the map.
> 
> To start with, I'm approaching this backwards and just displaying the
> WFS and highlighting the features onHover over the map, with the idea
> that if I can grab the attributes and make a list, I can add onHover
> handler to the list items and have them select the feature. Any way that
> was my thought, but maybe there is a better way to do this.
> 
> I assume I can hook the beforefeatureadded or featureadded to extract
> the attributes and add them to the list in some div, assuming that I
> have access to the attributes which is a problem at the moment.
> 
> Thoughts and pointers to examples would be appreciated.
> 
> Anyway, missing attributes - the attributes are in the XML, but do not
> appear to be added to the features objects at least as far as I can tell
> but looking in the DOM with firebug. And adding to the selectFeature
> control:
> 
> onSelect: function (feature) {
>    alert(feature.attributes["gid"]);
> }
> 
> returns a undefined. Here is a link to the page:
> 
> http://imaptools.com/maps2/test.html
> 
> Once it loads and displays the vector layer, a hover will generate an alert.
> 
> Thanks,
>    -Steve
> _______________________________________________
> Users mailing list
> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users
> 
> 
> 
> 
> ------------------------------------------------------------------
> The contents of this email are confidential to AsureQuality. If you have received this communication in error please notify the sender immediately and delete the message and any attachments. The opinions expressed in this email are not necessarily those of AsureQuality. This message has been scanned for known viruses before delivery. AsureQuality supports the Unsolicited Electronic Messages Act 2007. If you do not wish to receive similar communications in future, please notify the sender of this message.
> ------------------------------------------------------------------
> 
> 
> 
> This message has been scanned for malware by SurfControl plc. 
> www.surfcontrol.com <http://www.surfcontrol.com/>
> 




More information about the Users mailing list