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<!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: Wrap Date Line</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 map;
function init(){
map = new OpenLayers.Map( 'map', {maxResolution: 1.40625} );
var mapserv = new OpenLayers.Layer.MapServer( "OpenLayers Basic",
"http://vmap0.tiles.osgeo.org/wms/vmap0",
{layers: 'basic'},
{wrapDateLine: true} );
var kamap = new OpenLayers.Layer.KaMap( "Blue Marble NG",
"http://www.openlayers.org/world/index.php",
{g: "satellite", map: "world"},
{wrapDateLine: true} );
var wms = new OpenLayers.Layer.WMS( "DM Solutions Demo",
"http://www2.dmsolutions.ca/cgi-bin/mswms_gmap",
{layers: "bathymetry,land_fn,park,drain_fn,drainage," +
"prov_bound,fedlimit,rail,road,popplace",
transparent: "true", format: "image/png"},
{wrapDateLine: true});
/* WW doesn't quite work yet */
ww = new OpenLayers.Layer.WorldWind( "LANDSAT",
"http://worldwind25.arc.nasa.gov/tile/tile.aspx", 2.25, 4,
{T:"105"},
{'maxResolution': .28125,
tileSize: new OpenLayers.Size(512, 512),
wrapDateLine: true});
map.addLayers([mapserv, kamap, wms]);
map.addControl(new OpenLayers.Control.LayerSwitcher());
map.addControl(new OpenLayers.Control.MousePosition());
map.zoomToMaxExtent();
}
</script>
</head>
<body onload="init()">
<h1 id="title">Wrapping the Date Line</h1>
<div id="tags">
WMS,
MapServer,
wrapDateLine
</div>
<p id="shortdesc">Shows how to work around dateline issues, by wrapping the dateline on a number of layer types.</p>
<div id="map" class="smallmap"></div>
<div id="docs">
<p>
This is an example that shows wrapping the date line. Wrapping the
date line is an option on the layer.
</p>
<p>
You can do it with a 'Layer.WMS' or a 'Layer.MapServer' layer.
</p>
<pre id="code">
var mapserv = new OpenLayers.Layer.MapServer( "OpenLayers Basic",
"http://vmap0.tiles.osgeo.org/wms/vmap0",
{layers: 'basic'},
<b>{wrapDateLine: true}</b> );
</pre>
</div>
</body>
</html>
|
