OpenLayersローディング静止画

    
    
    
    
    


 

    
        var extent = [0, 0, 418, 600];
        var projection = new ol.proj.Projection({
            code: 'xkcd-image',
            units: 'pixels',
            extent: extent
        });
        var map = new ol.Map({
            layers: [
              new ol.layer.Image({
                  source: new ol.source.ImageStatic({
                      url: 'http://localhost:2265/images2/test1.png',//           
                      projection: projection,
                      imageExtent: extent
                  })
              })
            ],
            target: 'map',
            view: new ol.View({
                projection: projection,
                center: ol.extent.getCenter(extent),
                zoom: 2,
                maxZoom: 8
            })
        });