Load a QGIS-Server WMS-Layer to OpenLayers3 with manually created GetLegendGraphic image

by Thomas B.

HTML

<script src="http://openlayers.org/en/v3.1.1/build/ol.js"></script>
Load a WMS-Server-WMS-Layer to OpenLayer3
<div id="map"></div>

CSS

#map {
    height: 256px;
    width: 512px;
    border:1px solid black;
}

JavaScript

var map = new ol.Map({
     target: 'map',
     renderer: 'canvas',
     layers: [
    /*
    new ol.layer.Tile({
         source: new ol.source.OSM()
     }),
     */

     new ol.layer.Image({
         source: new ol.source.ImageWMS({
             //url: 'http://www.geo.euskadi.net/arcgis/services/U11_AGS_WMS_Cartografia/MapServer/WMSServer?',
             url: 'http://www.geo.euskadi.net/arcgis/services/U11_AGS_WMS_Cartografia/MapServer/WMSServer?',
             ratio: 1,
             params: {
                 'LAYERS': '1',
                     'TRANSPARENT': 'true'
             }
         })
     })

     ],
     view: new ol.View({
         projection: 'EPSG:4326',
         center: [-2.557379, 43.063020],
         zoom:8

     })
 });