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-<html xmlns="http://www.w3.org/1999/xhtml">
- <head>
- <title>Tiles Loading Acceptance Test</title>
- <style type="text/css">
- body {
- font-size: 0.8em;
- }
- p {
- padding-top: 1em;
- }
- #map {
- margin: 1em;
- float: left;
- width: 512px;
- height: 512px;
- }
-
- </style>
-
- <script src='http://maps.google.com/maps?file=api&amp;v=2.82&amp;key=ABQIAAAAjpkAC9ePGem0lIq5XcMiuhR_wWLPFku8Ix9i2SXYRVK3e45q1BQUd_beF8dtzKET_EteAjPdGDwqpQ'></script>
- <script src="../../lib/OpenLayers.js"></script>
- <script type="text/javascript">
- // make map available for easy debugging
- var map;
-
- // increase reload attempts
- OpenLayers.IMAGE_RELOAD_ATTEMPTS = 3;
-
- function init(){
- var options = {
- controls: [],
- projection: "EPSG:900913",
- units: "m",
- maxResolution: 156543.0339,
- maxExtent: new OpenLayers.Bounds(-20037508, -20037508,
- 20037508, 20037508.34)
- };
- map = new OpenLayers.Map('map', options);
- // create Google Mercator layers
- var gmap = new OpenLayers.Layer.Google(
- "Google Streets",
- {'sphericalMercator': true}
- );
- // create WMS layer
- var wmsMaxResolution = 78271.51695;
- var wms = new OpenLayers.Layer.WMS(
- "World Map",
- "http://world.freemap.in/tiles/",
- {'layers': 'factbook-overlay', 'format':'png'},
- {
- 'opacity': 0.4,
- 'isBaseLayer': false,
- 'wrapDateLine': true,
- 'buffer': 0,
- 'maxResolution' : wmsMaxResolution
- }
- );
- map.addLayers([gmap, wms]);
- map.addControl(new OpenLayers.Control.Navigation());
- map.addControl(new OpenLayers.Control.LayerSwitcher());
- map.addControl(new OpenLayers.Control.PanZoomBar());
-
- function onLayerChanged() {
- var html = '<p>WMS Layer state - in range: '
- + this.inRange
- + ', visibility: '
- + this.visibility;
- + '</p>';
- document.getElementById('layerstate').innerHTML = html;
- }
- map.events.register('changelayer', wms, onLayerChanged);
-
- function onTileLoaded() {
- var html = '<p>Message: ';
- if (this.numLoadingTiles > 0) {
- html += 'Loading tiles...';
- } else {
- html += 'Done loading tiles';
- }
- html += '</p>';
- document.getElementById('tilesloading').innerHTML = html;
- }
- wms.events.register('tileloaded', wms, onTileLoaded);
-
- map.zoomToMaxExtent()
- }
- </script>
- </head>
- <body onload="init()">
- <div id="map"></div>
- <p>
-
- <b>Test 0</b> : at the initial zoom the WMS layer is in range, you should
- therefore see the 'Loading tiles...' message when loading the page for
- the first time.
-
- </p>
- <p>
-
- <b>Test 1</b> : If you zoom out by one level (using the zoombar), the WMS
- layer becomes out of range. No tile should be loaded so you shouldn't see
- the 'Loading tiles...' message.
-
- </p>
- <p>
-
- <b>Test 2</b> : Zoom in by one level to go back to initial state (the WMS
- is back). Open the layer switcher and turn off the WMS layer. No tile
- should be loaded so you shouldn't see the 'Loading tiles...' message.
-
- </p>
- <p>
-
- <b>Test 3</b> : Keep the WMS layer turned off in the layer switcher. Zoom
- out by one level again. The layer is both invisible and out of range, so
- you shouldn't see the 'Loading tiles...' message.
-
- </p>
- <div id="layerstate"><p>WMS Layer state - in range: true, visibility: true</p></div>
- <div id="tilesloading"><p>Message:</p></div>
- </body>
-</html>