Charles,I think you need to actually specify your layer names in the visible layers (1 & 2 do not exist). Get your layer names from the capabilities file http://nowcoast.noaa.gov/wms/com.esri.wms.Esrimap/obs?service=wms&version=1.1.1&request=GetCapabilit...The following code works in the sandbox (http://developers.arcgis.com/javascript/sandbox/sandbox.html)<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <!--The viewport meta tag is used to improve the presentation and behavior of the samples on iOS devices--> <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no"> <title>Map with WMS</title> <link rel="stylesheet" href="http://js.arcgis.com/3.9/js/dojo/dijit/themes/claro/claro.css"> <link rel="stylesheet" href="http://js.arcgis.com/3.9/js/esri/css/esri.css"> <style> html, body, #map { height: 100%; width: 100%; margin: 0; padding: 0; } </style> <script src="http://js.arcgis.com/3.9/"></script> <script> var map; require([ 'esri/map', '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, WMSLayer, WMSLayerInfo, Extent, array, dom, domConst, parser) { parser.parse(); map = new Map('map', { basemap: 'streets', center: [-96, 37], zoom: 4 }); var layer1 = new WMSLayerInfo({}); var resourceInfo = { extent: new Extent(-126.40869140625, 31.025390625, -109.66552734375, 41.5283203125, { wkid: 4326}), layerInfos: [layer1] }; var wmsLayer = new WMSLayer('http://nowcoast.noaa.gov:80/wms/com.esri.wms.Esrimap/obs?', { resourceInfo: resourceInfo, visibleLayers: ['world_countries_label','world_countries','RAS_RIDGE_NEXRAD','OBS_MET_TEMP'], }); wmsLayer.version = "1.1.1"; map.addLayers([wmsLayer]); }); </script> </head> <body class="claro"> <div id="map" data-dojo-type="dijit.layout.ContentPane" data-dojo-props="region:'center'" style="overflow:hidden;"> </div> </div> </body> </html>
RegardsAnthony