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Test case to show map with *lots* of markers. Seems pretty responsive

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@250 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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euzuro
2006-05-22 10:57:43 +00:00
parent 7f11d01e87
commit 144da2ba73
1 changed files with 48 additions and 0 deletions
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markers2.html Normal file
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="imagetoolbar" content="no"> <!--ie image gizmo OFF!-->
<style type="text/css">
#map {
width: 800px;
height: 475px;
border: 1px solid black;
}
</style>
<script src="lib/OpenLayers.js"></script>
<script type="text/javascript">
<!--
var map, layer;
function init(){
map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://octo.metacarta.com/cgi-bin/mapserv",
{map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'} );
map.addLayer(layer);
var markers = new OpenLayers.Layer.Marker( "Markers" );
map.addLayer(markers);
var icon = new OpenLayers.Icon('http://boston.openguides.org/markers/AQUA.png',new OpenLayers.Size(10,17));
for(lon=-180; lon < 180; lon+=10) {
for(lat=-90; lat < 90; lat+=10) {
marker = new OpenLayers.Marker(new OpenLayers.LonLat(lon, lat),icon);
marker.events.register('mousedown', marker, function(evt) { alert(this.icon.url); Event.stop(evt); });
markers.addMarker(marker);
}
}
// markers.addMarker(new OpenLayers.Marker(new OpenLayers.LonLat(0,45),icon));
// marker = new OpenLayers.Marker(new OpenLayers.LonLat(90,10),icon);
// marker.events.register('mousedown', marker, function(evt) { alert(this.icon.url); Event.stop(evt); });
// markers.addMarker(marker);
map.setCenter(new OpenLayers.LonLat(0, 0), 0);
map.addControl(new OpenLayers.Control.LayerSwitcher());
}
// -->
</script>
</head>
<body onload="init()">
<h1>OpenLayers Example</h1>
<div id="map"></div>
</body>
</html>