Image ArcGIS MapServer——ArcGIS地图图像服务

来源：互联网发布：ddos软件编辑：程序博客网时间：2024/06/06 20:55

This example shows how to use a dynamic ArcGIS REST MapService. This source type supports Map and Image Services. For dyamic ArcGIS services.
这个例子用来展示如何使用动态的ArcGIS REST MapService，对于动态的ArcGIS服务来说，数据源的类型支持地图和图像服务。
代码：

<!DOCTYPE html><html>  <head>    <title>Image ArcGIS MapServer</title>    <link rel="stylesheet" href="https://openlayers.org/en/v4.2.0/css/ol.css" type="text/css">    <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>    <script src="https://openlayers.org/en/v4.2.0/build/ol.js"></script>  </head>  <body>    <div id="map" class="map"></div>    <script>     //指定ArcGIS地图服务地址    var url = 'https://sampleserver1.arcgisonline.com/ArcGIS/rest/services/' +          'Specialty/ESRI_StateCityHighway_USA/MapServer';      var layers = [        new ol.layer.Tile({          source: new ol.source.OSM()        }),        new ol.layer.Image({        /*          ol.source.ImageArcGISRest:          Source for data from ArcGIS Rest services providing single, untiled images.           来自ArcGIS Rest服务提供的单个、未切片的图像数据源          Useful when underlying map service has labels.          当底图服务有标注时有用          If underlying map service is not using labels,          如果底图服务不使用标注          take advantage of ol image caching and use ol.source.TileArcGISRest data source.          则利用图像缓存并使用ol.source.TileArcGISRest数据源        */        //指定数据源类型为ImageArcGISRest       source: new ol.source.ImageArcGISRest({            ratio: 1,            params: {},            url: url          })        })      ];      var map = new ol.Map({        layers: layers,        target: 'map',        view: new ol.View({          center: [-10997148, 4569099],          zoom: 4        })      });    </script>  </body></html>

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