Files
openlayers/examples/buffer.html
crschmidt efb925d632 Commit fixes for:
* (Closes #2360) make Layer.addOptions call initResolutions if necessary
 * (Closes #2656) no way to pass read options from protocol to format
 * (Closes #2751) Changes in languages: "es" and "ca".
 * (Closes #2814) SLDSelect control tests failing
 * (Closes #2815) Cluster Strategy should not destroy all features

Also:
 * Change examples to use OSGeo, rather than MetaCarta, servers.
 * Change copyright statements to correctly state joint copyright
   in the project, rather than MetaCarta copyright.


git-svn-id: http://svn.openlayers.org/branches/openlayers/2.10@10715 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2010-09-02 21:43:25 +00:00

50 lines
1.9 KiB
HTML

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>OpenLayers Buffer Example</title>
<link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
<link rel="stylesheet" href="style.css" type="text/css" />
<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://vmap0.tiles.osgeo.org/wms/vmap0",
{layers: 'basic'}, {'buffer':0} );
map.addLayer(layer);
layer = new OpenLayers.Layer.WMS( "1 buffer: OpenLayers WMS",
"http://vmap0.tiles.osgeo.org/wms/vmap0",
{layers: 'basic'}, {'buffer':1} );
map.addLayer(layer);
layer = new OpenLayers.Layer.WMS( "4 buffer: OpenLayers WMS",
"http://vmap0.tiles.osgeo.org/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()">
<h1 id="title">Buffer Example</h1>
<div id="tags">
</div>
<p id="shortdesc">
This example shows the use of the buffer layer option for any layer that inherits from OpenLayers.Layer.Grid.
</p>
<div id="map" class="smallmap"></div>
<div id="docs">
Use the buffer property to control how many tiles are included
outside the visible map area. Default is 2.
</div>
</body>
</html>