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WMS - resource info
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Description
This sample shows how to work with an OGC Web Map Service (WMS). When WMSLayers are added to the map only the specified layers are displayed. The code below creates a new WMSLayer then uses the visibleLayers constructor option to specify which layers are displayed.
var wmsLayer = new WMSLayer(wmsURL,{ resourceInfo: resourceInfo, visibleLayers: ["1","2"] });
Note that in the code above a resourceInfo object is also provided. The resourceInfo object is used to define information about the service such as extent, layers, version etc. The benefit to specifying the resource info is that a proxy is not needed to work with WMS layers.
Code
<!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>Map with WMS</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.46/dijit/themes/claro/claro.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.46/esri/css/esri.css">
<style>
html, body, #map {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
</style>
<script src="https://js.arcgis.com/3.46/"></script>
<script>
var map;
require([
'esri/map', "esri/config", 'esri/layers/WMSLayer', 'esri/layers/WMSLayerInfo', 'esri/geometry/Extent',
'dojo/_base/array', 'dojo/dom', 'dojo/dom-construct', 'dojo/parser',
'dijit/layout/BorderContainer', 'dijit/layout/ContentPane', 'dojo/domReady!'
], function(Map, esriConfig, WMSLayer, WMSLayerInfo, Extent, array, dom, domConst, parser) {
parser.parse();
var corsEnabledServers = esriConfig.defaults.io.corsEnabledServers;
corsEnabledServers.push("sampleserver6.arcgisonline.com");
map = new Map('map', {
basemap: "streets-vector",
center: [-96, 37],
zoom: 2
});
var layer1 = new WMSLayerInfo({
name: '1',
title: 'States'
});
var layer2 = new WMSLayerInfo({
name: '2',
title: 'Highways'
});
var resourceInfo = {
extent: new Extent(-126.4, 31.0 -109.7, 41.5, {
wkid: 4326
}),
layerInfos: [layer1, layer2]
};
var wmsLayer = new WMSLayer('https://sampleserver6.arcgisonline.com/arcgis/services/USA/MapServer/WMSServer', {
resourceInfo: resourceInfo,
visibleLayers: ['1', '2']
});
map.addLayers([wmsLayer]);
var details = dom.byId('details');
domConst.place('<b>Layers</b>:', details);
var ul = domConst.create('ul', null, details);
array.forEach(wmsLayer.layerInfos, function(layerInfo) {
domConst.create('li', { innerHTML: layerInfo.title }, ul);
});
domConst.place('<b>WMS Version</b>:' + wmsLayer.version + '<br />', details);
});
</script>
</head>
<body class="claro">
<div id="content"
data-dojo-type="dijit.layout.BorderContainer"
data-dojo-props="design:'headline', gutters:true"
style="width: 100%; height: 100%; margin: 0;">
<div id="details"
data-dojo-type="dijit.layout.ContentPane"
data-dojo-props="region:'left', splitter:true"
style="overflow:auto; width:200px;">
</div>
<div id="map"
data-dojo-type="dijit.layout.ContentPane"
data-dojo-props="region:'center'"
style="overflow:hidden;">
</div>
</div>
</body>
</html>