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功能（一）：添加影像服务图层

2017-06-13 10:32 218 查看

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">
<title>Simple Image Service</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.20/esri/css/esri.css" />

<style>
html, body, #map { height: 100%; width: 100%; margin: 0; padding: 0; }
</style>

<script src="https://js.arcgis.com/3.20/"></script>
<script>
var map;
require([
"esri/map", "esri/layers/ArcGISImageServiceLayer",
"esri/layers/ImageServiceParameters", "dojo/parser", "dojo/domReady!"
], function(
Map, ArcGISImageServiceLayer,
ImageServiceParameters, parser
) {
parser.parse();

map = new Map("map", {
basemap: "topo",
center: [-79.40, 43.64],
zoom: 12
});

var params = new ImageServiceParameters();
params.noData = 0;
var imageServiceLayer = new ArcGISImageServiceLayer("https://sampleserver6.arcgisonline.com/arcgis/rest/services/Toronto/ImageServer", {
imageServiceParameters: params,
opacity: 0.75
});
map.addLayer(imageServiceLayer);
});
</script>
</head>

<body>
<div id="map"> </div>
</body>

</html>

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