7f34868fe2
git-svn-id: http://svn.openlayers.org/trunk/openlayers@11158 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
53 lines
2.1 KiB
HTML
53 lines
2.1 KiB
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;" />
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<meta name="apple-mobile-web-app-capable" content="yes" />
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<title>OpenLayers Buffer Example</title>
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<link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
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<link rel="stylesheet" href="style.css" type="text/css" />
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<script src="../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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var lon = 0;
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var lat = 0;
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var zoom = 2;
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var map, layer;
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function init(){
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map = new OpenLayers.Map( 'map' );
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layer = new OpenLayers.Layer.WMS( "0 buffer: OpenLayers WMS",
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"http://vmap0.tiles.osgeo.org/wms/vmap0",
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{layers: 'basic'}, {'buffer':0} );
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map.addLayer(layer);
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layer = new OpenLayers.Layer.WMS( "1 buffer: OpenLayers WMS",
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"http://vmap0.tiles.osgeo.org/wms/vmap0",
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{layers: 'basic'}, {'buffer':1} );
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map.addLayer(layer);
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layer = new OpenLayers.Layer.WMS( "4 buffer: OpenLayers WMS",
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"http://vmap0.tiles.osgeo.org/wms/vmap0",
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{layers: 'basic'}, {'buffer':4} );
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map.addLayer(layer);
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map.addControl(new OpenLayers.Control.LayerSwitcher())
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map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
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}
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</script>
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</head>
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<body onload="init()">
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<h1 id="title">Buffer Example</h1>
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<div id="tags">
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buffer, performance, tile
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</div>
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<p id="shortdesc">
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This example shows the use of the buffer layer option for any layer that inherits from OpenLayers.Layer.Grid.
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</p>
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<div id="map" class="smallmap"></div>
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<div id="docs">
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Use the buffer property to control how many tiles are included
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outside the visible map area. Default is 2.
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</div>
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</body>
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</html>
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