[OpenLayers-Users] KML layer vector empty

Alexandre Dubé adube at mapgears.com
Fri Oct 16 08:41:09 PDT 2015


Hello,

   You should use StackOverflow for questions related to OpenLayers 3: 
http://zeus.dev.where2getit.com/brooksbrothers/index_less_poi.html

   Also, a JSFiddle would be a good way to attract people into helping you.

Regards,

Alexandre


On 15-10-16 11:29 AM, Jair Santos wrote:
> Hi all,
>
> I am creating vector layers in format KML. I have the sources in drop box to avoid CORS, but when I load them in the map they have no features. Any ideas about this issue will be very much appreciated.
>
> Thank you
>
> JJ.
>
> Please see below how I am doing it.
>
> var layers = [
>   		
> 	wms_bmid_pipes = new ol.layer.Vector({
> 				source: new ol.source.Vector({
> 				url: 'https://dl.dropboxusercontent.com/s/ea4qzzuyk5i2mxt /geid_ws-bmid-pipes.kml?dl=0',
> 				format: new ol.format.KML()
> 				})
> 			})
>              ];
> 		
>
> Since the layer does not show up in the map I ran the code below to check how many features it has (this code comes from the open layers web site). It turns out that in the console I get "Count after change: 0" , meaning that there are no features.
> 	
> 		wms_bmid_pipes.getSource().on('change', function(evt){
> 			var source = evt.target;
> 				if (source.getState() === 'ready') {
> 					var numFeatures = source.getFeatures().length;
> 					console.log("Count after change: " + numFeatures);
> 				}
> 		});
>
>
> The point is that the wms_bmid_pipes  contains this:
>
> <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
> <kml xmlns="http://www.opengis.net/kml/2.2" xmlns:ns2="http://www.google.com/kml/ext/2.2" xmlns:ns3="http://www.w3.org/2005/Atom" xmlns:ns4="urn:oasis:names:tc:ciq:xsdschema:xAL:2.0">
>      <Document>
>          <LookAt>
>              <longitude>-119.3597596329119</longitude>
>              <latitude>49.89850519575446</latitude>
>              <altitude>19983.5008834143</altitude>
>              <heading>0.0</heading>
>              <tilt>0.0</tilt>
>              <range>16147.716881798802</range>
>              <altitudeMode>clampToGround</altitudeMode>
>          </LookAt>
>          <NetworkLink>
>              <name>bmid-pipes</name>
>              <visibility>1</visibility>
>              <open>1</open>
>              <LookAt>
>                  <longitude>-119.3597596329119</longitude>
>                  <latitude>49.89850519575446</latitude>
>                  <altitude>19983.5008834143</altitude>
>                  <heading>0.0</heading>
>                  <tilt>0.0</tilt>
>                  <range>16147.716881798802</range>
>                  <altitudeMode>clampToGround</altitudeMode>
>              </LookAt>
>              <Url>
>                  <href>http://localhost:8080/geoserver/geid_ws/wms?service=wms&request=GetMap&version=1.1.1&format=application/vnd.google-earth.kml+xml&layers=geid_ws:bmid-pipes&styles=line&height=2048&width=2048&transparent=false&srs=EPSG:4326&format_options=AUTOFIT:true;KMATTR:true;KMPLACEMARK:false;KMSCORE:40;MODE:refresh;SUPEROVERLAY:false</href>
>                  <refreshInterval>0.0</refreshInterval>
>                  <viewRefreshMode>onStop</viewRefreshMode>
>                  <viewRefreshTime>1.0</viewRefreshTime>
>                  <viewBoundScale>1.0</viewBoundScale>
>              </Url>
>          </NetworkLink>
>      </Document>
> </kml>
>
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-- 
Alexandre Dubé
T: +1 418-696-5056 #203
http://www.mapgears.com/



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