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Use of Layer.Grid.buffer

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@4275 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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crschmidt
2007-09-14 00:47:42 +00:00
parent 076af6590c
commit 217298f606
1 changed files with 41 additions and 0 deletions
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examples/buffer.html Normal file
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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<style type="text/css">
#map {
width: 694px;
height: 464px;
border: 1px solid black;
}
</style>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript">
var lon = 0;
var lat = 0;
var zoom = 2;
var map, layer;
function init(){
map = new OpenLayers.Map( 'map' );
layer = new OpenLayers.Layer.WMS( "0 buffer: OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0",
{layers: 'basic'}, {'buffer':0} );
map.addLayer(layer);
layer = new OpenLayers.Layer.WMS( "1 buffer: OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0",
{layers: 'basic'}, {'buffer':1} );
map.addLayer(layer);
layer = new OpenLayers.Layer.WMS( "4 buffer: OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0",
{layers: 'basic'}, {'buffer':4} );
map.addLayer(layer);
map.addControl(new OpenLayers.Control.LayerSwitcher())
map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
}
</script>
</head>
<body onload="init()">
<div id="map"></div>
<p>Use the buffer property to control how many tiles are included
outside the visible map area. Default is 2</p>
</body>
</html>