[英]Openlayers 3 forEachFeatureAtPixel doesn't work correctly for Points
[英]OpenLayers map doesn't get loaded correctly
我正在用OpenLayers映射制作一個ASP.NET站點,但是在IE中它總是在加載,而在Chrome中它說該站點在一段時間后沒有反應。 腳本位於內容標簽內。
我正在使用2.13.1版。
這是代碼:
<script type="text/javascript" src="../Scripts/OpenLayers.js" ></script>
<script type="text/javascript" src="../Scripts/expand.js"></script>
<!-- map built with OpenLayers api on OpenStreetMap -->
<script type="text/javascript">
map = new OpenLayers.Map("mapdiv");
map.addLayer(new OpenLayers.Layer.OSM());
epsg4326 = new OpenLayers.Projection("EPSG:4326"); // WGS 1984 projection
projectTo = map.getProjectionObject(); // The map projection (Spherical Mercator)
// Define center-point
var lonLat = new OpenLayers.LonLat(8.2891666666666666666666666, 46.8344444444444444444).transform(epsg4326, projectTo);
map.setCenter(lonLat, 8);
</script>
我的鏈接有誤還是忘記了其他東西?
您正在將OpenLayers 2語法與OpenLayers 3庫一起使用。 一個關鍵的區別是與其說
map = new OpenLayers.Map("mapdiv");
你想用
var map = new ol.Map("mapdiv");
您需要更正使用“ OpenLayers”而不是“ ol”的其他實例。
這是OpenLayers 3文檔入門的鏈接 。
試試這個會起作用
<html>
<head>
<title>OpenLayers Demo</title>
<style type="text/css">
html,body,#mapdiv {
width: 100%;
height: 100%;
margin: 0;
}
</style>
<script src="../js/OpenLayers.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="../css/ol-theme-style.css" />
</head>
<body>
<div id="mapdiv"></div>
<script>
map = new OpenLayers.Map("mapdiv");
map.addLayer(new OpenLayers.Layer.OSM());
epsg4326 = new OpenLayers.Projection("EPSG:4326"); //WGS 1984 projection
projectTo = map.getProjectionObject(); //The map projection (Spherical Mercator)
var lonLat = new OpenLayers.LonLat(73.8567, 18.5203).transform(epsg4326, projectTo);
var zoom = 14;
map.setCenter(lonLat, zoom);
</script>
</body>
</html>
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