openlayers 3加载MapServer示例子

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <title>openlayers 3加载MapServer示例子</title>
    <link rel="stylesheet" href="https://cdn.rawgit.com/openlayers/openlayers.github.io/master/en/v5.3.0/css/ol.css" type="text/css">
    <style type="text/css">
    #map {
        width: 100%;
        height: 600px;
    }
    </style>
</head>
 
<body>
    <div id="map"></div>
    <script src="https://cdn.rawgit.com/openlayers/openlayers.github.io/master/en/v5.3.0/build/ol.js" type="text/javascript"></script>
    <script type="text/javascript">
    var layers = [
        new ol.layer.Tile({
            source: new ol.source.OSM()
        }),
        new ol.layer.Tile({
            source: new ol.source.TileWMS({
                url: 'http://localhost:8068/VSpaceDataServices/GetVgsData/GetOgcServerData/World_region?request=GetCapabilities&Version=1.3.0&Service=WMS',
                params: {
                    'layers': 'World_region',
                    'MAP': "F:/mapserverData/World_region.map",
                    'TILED': true
                },
                serverType: 'mapserver',
            })
        })
    ];
    var map = new ol.Map({
        target: 'map',
        layers: layers,
        view: new ol.View({
            center: ol.proj.fromLonLat([104, 30]),
            zoom: 2,
            projection: 'EPSG:3857'
        })
    });
    </script>
</body>
</html>

 

以下是一个简单的例子,展如何使用OpenLayers加载WMTS服务: ```html <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>OpenLayers WMTS Example</title> <link rel="stylesheet" href="https://openlayers.org/en/latest/css/ol.css" type="text/css"> <script src="https://openlayers.org/en/latest/build/ol.js"></script> </head> <body> <div id="map" class="map"></div> <script type="text/javascript"> var map = new ol.Map({ target: &#39;map&#39;, layers: [ new ol.layer.Tile({ source: new ol.source.OSM() }), new ol.layer.Tile({ source: new ol.source.WMTS({ url: &#39;https://sampleserver6.arcgisonline.com/arcgis/rest/services/WorldTimeZones/MapServer/WMTS&#39;, layer: &#39;WorldTimeZones&#39;, matrixSet: &#39;GoogleMapsCompatible&#39;, format: &#39;image/png&#39;, projection: &#39;EPSG:3857&#39;, tileGrid: new ol.tilegrid.WMTS({ origin: ol.extent.getTopLeft(ol.proj.transform([-180, 90], &#39;EPSG:4326&#39;, &#39;EPSG:3857&#39;)), resolutions: [ 156543.0339280410, 78271.51696402048, 39135.75848201023, 19567.87924100512, 9783.93962050256, 4891.96981025128, 2445.98490512564, 1222.99245256282, 611.49622628141, 305.7481131407048, 152.8740565703525, 76.43702828517624, 38.21851414258813, 19.10925707129406, 9.554628535647032, 4.777314267823516, 2.388657133911758, 1.194328566955879, 0.5971642834779395, 0.2985821417389697, 0.1492910708694849, 0.0746455354347424 ], matrixIds: [ &#39;0&#39;, &#39;1&#39;, &#39;2&#39;, &#39;3&#39;, &#39;4&#39;, &#39;5&#39;, &#39;6&#39;, &#39;7&#39;, &#39;8&#39;, &#39;9&#39;, &#39;10&#39;, &#39;11&#39;, &#39;12&#39;, &#39;13&#39;, &#39;14&#39;, &#39;15&#39;, &#39;16&#39;, &#39;17&#39;, &#39;18&#39;, &#39;19&#39;, &#39;20&#39;, &#39;21&#39; ] }) }) }) ], view: new ol.View({ center: ol.proj.fromLonLat([0, 0]), zoom: 2 }) }); </script> </body> </html> ``` 在这个例子中,我们首先创建了一个OpenLayers地图对象。我们添加了两个图层。第一个图层是使用OpenStreetMap数据源的瓦片图层。第二个图层是使用WMTS数据源的瓦片图层。 我们使用`ol.source.WMTS`类创建WMTS数据源。我们指定了WMTS服务的URL,图层名称,矩阵集,格式和投影。我们还指定了一个自定义瓦片网格,其中包含瓦片的分辨率和矩阵ID。 最后,我们在地图视图中设置了中心点和缩放级别。我们使用`ol.proj.fromLonLat`函数将经纬度坐标转换为Web Mercator投影坐标。
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