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Página creada con « <html> <head><title>OpenLayers KML Example</title></head> <body> <div id="mapdiv"></div> <script src="https://cdnjs.cloudflare.com/ajax/libs/openlayers/2.11/lib/Op...»
<html>
<head><title>OpenLayers KML Example</title></head>
<body>
<div id="mapdiv"></div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/openlayers/2.11/lib/OpenLayers.js"></script>
<script>
map = new OpenLayers.Map("mapdiv");
map.addLayer(new OpenLayers.Layer.OSM());
var kmllayer = new OpenLayers.Layer.Vector("KML", {
strategies: [new OpenLayers.Strategy.Fixed()],
protocol: new OpenLayers.Protocol.HTTP({
url: "./mapperz-kml-example.kml",
format: new OpenLayers.Format.KML({
extractStyles: true,
extractAttributes: true,
maxDepth: 2
})
})
});
map.addLayer(kmllayer);
//Set start centrepoint and zoom
//TODO: Is it possible to just zoom to extents of KML objects instead?
var lonLat = new OpenLayers.LonLat( -0.1279688 ,51.5077286 )
.transform(
new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984
map.getProjectionObject() // to Spherical Mercator Projection
);
var zoom=14;
map.setCenter (lonLat, zoom);
//Add a selector control to the kmllayer with popup functions
var controls = {
selector: new OpenLayers.Control.SelectFeature(kmllayer, { onSelect: createPopup, onUnselect: destroyPopup })
};
function createPopup(feature) {
feature.popup = new OpenLayers.Popup.FramedCloud("pop",
feature.geometry.getBounds().getCenterLonLat(),
null,
'<div class="markerContent">'+feature.attributes.description+'</div>',
null,
true,
function() { controls['selector'].unselectAll(); }
);
//feature.popup.closeOnMove = true;
map.addPopup(feature.popup);
}
function destroyPopup(feature) {
feature.popup.destroy();
feature.popup = null;
}
map.addControl(controls['selector']);
controls['selector'].activate();
</script>
<div id="explanation">Populate vector layer with data from a KML file.
Also bind popup events to the display the description attributes.
The KML file (this example taken from <a href="http://mapperz.blogspot.co.uk">mapperz</a>
originally) must be served under the same domain name.</div>
</body></html>
