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Diffstat (limited to 'misc/openlayers/examples/multiserver.html')
-rw-r--r-- | misc/openlayers/examples/multiserver.html | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/misc/openlayers/examples/multiserver.html b/misc/openlayers/examples/multiserver.html new file mode 100644 index 0000000..64a5a45 --- /dev/null +++ b/misc/openlayers/examples/multiserver.html @@ -0,0 +1,52 @@ +<!DOCTYPE html> +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> + <meta name="apple-mobile-web-app-capable" content="yes"> + <title>OpenLayers: Tiles from Multiple Servers</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 = 5; + var lat = 40; + var zoom = 5; + var map, layer; + + function init(){ + map = new OpenLayers.Map( 'map' ); + + var urlArray = ["http://tilecache.osgeo.org/wms-c/Basic.py", + "http://tilecache.osgeo.org/wms-c/Basic.py"]; + layer = new OpenLayers.Layer.WMS( "OpenLayers WMS", + urlArray, + {layers: 'basic'} ); + map.addLayer(layer); + map.setCenter(new OpenLayers.LonLat(lon, lat), zoom); + } + </script> + </head> + <body onload="init()"> + <h1 id="title">Multiple Server URLS</h1> + + <div id="tags"> + performance, multiple urls, request, light + </div> + <p id="shortdesc"> + Load your tiles faster by pointing to the same server, but with different urls + </p> + + <div id="map" class="smallmap"></div> + <div id="docs"> + <p>Browsers typically limit the number of concurrent requests to the same + server, based on hostname. In order to ake tiles load more quickly, it + often makes sense to distribute requests over multiple hostnames to achieve + more concurrency. Typically, browsers perform best with 3 different + hostnames -- your performance may vary. (For example, if your server can't + handle more than 2 requests simultaneously, then additional hostnames will + not help you.)</p> + </div> + + </body> +</html> |