a54f36650c
git-svn-id: http://svn.openlayers.org/trunk/openlayers@6497 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
104 lines
3.5 KiB
HTML
104 lines
3.5 KiB
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>Animated Panning of the Map via map.panTo</title>
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<link rel="stylesheet" href="../theme/default/style.css" type="text/css" />
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<style type="text/css">
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#map {
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width: 512px;
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height: 256px;
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border: 1px solid black;
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}
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#map2 {
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width: 512px;
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height: 256px;
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border: 1px solid black;
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}
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</style>
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<script src="../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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var map, layer, running = false;
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OpenLayers.Control.Click = OpenLayers.Class(OpenLayers.Control, {
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defaultHandlerOptions: {
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'single': true,
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'delay': 200
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},
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initialize: function(options) {
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this.handlerOptions = OpenLayers.Util.extend(
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{}, this.defaultHandlerOptions
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);
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OpenLayers.Control.prototype.initialize.apply(
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this, arguments
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);
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this.handler = new OpenLayers.Handler.Click(
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this, {
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'click': this.onClick
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}, this.handlerOptions
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);
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},
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onClick: function(evt) {
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map.panTo(map.getLonLatFromPixel(evt.xy));
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}
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});
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function init(){
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map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
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map.addLayer(layer);
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map.zoomToMaxExtent();
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var click = new OpenLayers.Control.Click();
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map.addControl(click);
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click.activate();
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map.addControl(new OpenLayers.Control.OverviewMap());
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map2 = new OpenLayers.Map('map2', {'panMethod': null} );
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layer = new OpenLayers.Layer.WMS( "OpenLayers WMS",
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"http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} );
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map2.addLayer(layer);
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map2.zoomToMaxExtent();
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}
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function setCenterInterval() {
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if (!running) {
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setCenter();
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running = setInterval('setCenter()', 500);
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} else {
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clearInterval(running);
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running = false;
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}
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}
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function setCenter() {
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var lon = Math.random() * 360 - 180;
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var lat = Math.random() * 180 - 90;
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var lonlat = new OpenLayers.LonLat(lon, lat);
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map.panTo(lonlat);
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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">map.panTo Example</h1>
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<div id="tags">map.panTo</div>
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<div id="shortdesc">Show animated panning effects in the map</div>
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<div id="map"></div>
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<div id="docs">
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<p>This is an example of transition effects. If the new random center is in the current extent, the map will pan smoothly. <br />
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The random selection will continue until you press it again. Additionally, you can single click in the map to pan smoothly
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to that area, or use the pan control to pan smoothly.
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</p>
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</div>
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<button onclick="setCenterInterval()">Start/stop random recenter</button>
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<div id="map2"></div>
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<div>
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<p>To turn off Animated Panning, create a map with an panMethod set to
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null. </p>
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</div>
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</body>
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</html>
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