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Custom layer - WMS


At version 2.1 of the ArcGIS API for JavaScript a new class esri.layers.WMSLayerwas added to the API. This sample shows how to create a custom layer using WMS as an example.

Thissample creates a simple dynamic layer using a WMS endpoint. To use this layer, the code creates a map and adds a tiled layer from ArcGIS Online, then places the newly created WMS layer on top.


<!DOCTYPE html>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">

    <link rel="stylesheet" href="https://js.arcgis.com/3.40/dijit/themes/claro/claro.css">
    <link rel="stylesheet" href="https://js.arcgis.com/3.40/esri/css/esri.css">
    <script src="https://js.arcgis.com/3.40/"></script>
      var map;

      dojo.ready(function() {
        dojo.declare("my.CityStatesRiversUSAWMSLayer", esri.layers.DynamicMapServiceLayer, {
          constructor: function() {
            this.initialExtent = this.fullExtent = new esri.geometry.Extent({"xmin":-16476154.32,"ymin":2504688.54,"xmax":-6457400.14,"ymax":7514065.62,"spatialReference":{"wkid":102100}});
            this.spatialReference = new esri.SpatialReference({wkid:102100});

            this.loaded = true;

          getImageUrl: function(extent, width, height, callback) {
            var params = {
              request: "GetMap",
              transparent: true,
              format: "image/png",
              bgcolor: "ffffff",
              version: "1.1.1",
              layers: "0,1",
              styles: "default,default",
              exceptions: "application/vnd.ogc.se_xml",

              //changing values
              bbox:extent.xmin + "," + extent.ymin + "," + extent.xmax + "," + extent.ymax,
              srs: "EPSG:" + extent.spatialReference.wkid,
              width: width,
              height: height

            callback("https://sampleserver1.arcgisonline.com/arcgis/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/WMSServer?" + dojo.objectToQuery(params));

      function init() {
        map = new esri.Map("map", {
          basemap: "satellite",
          center: [-103.008, 40.98],
          zoom: 4
        map.addLayer(new my.CityStatesRiversUSAWMSLayer());

  <body class="claro">
    <div id="map"  style="position:relative; width:1024px; height:512px; border:2px solid #000;"></div>
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