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WMTS - resource info

Description

The WMTSLayer class is used to add an OGC Web Map Tile Service layer to the map. The default behavior of a WMTSLayer is to execute a WMTS GetCapabilities request, which requires using a proxy page or pushing the url to esriConfig.defaults.io.corsEnabledServers. This sample demonstrates how to specify the resource info so no proxy page is required.

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 WMTS resourceinfo</title>

  <link rel="stylesheet" href="https://js.arcgis.com/3.26/dijit/themes/claro/claro.css">
  <link rel="stylesheet" href="https://js.arcgis.com/3.26/esri/css/esri.css">
  <style>
    html,
    body,
    #map {
      height: 100%;
      width: 100%;
      margin: 0;
      padding: 0;
    }
  </style>
  <script src="https://js.arcgis.com/3.26/"></script>

  <script>
    require([
      "esri/map", 
      "esri/layers/WMTSLayer", 
      "esri/layers/WMTSLayerInfo",
      "esri/geometry/Extent", 
      "esri/layers/TileInfo", 
      "esri/SpatialReference",
      "dojo/parser",
      "dijit/layout/BorderContainer", 
      "dijit/layout/ContentPane", 
      "dojo/domReady!"
    ], function(
        Map, WMTSLayer, WMTSLayerInfo,
        Extent, TileInfo, SpatialReference,
        parser
      ) {
      parser.parse();

      var map = new Map("map", {
        center: [86.9, 28],
        zoom: 3
      });

      var tileInfo = new TileInfo({
        "dpi": 96,
        "format": "format/png",
        "compressionQuality": 0,
        "spatialReference": new SpatialReference({
          "wkid": 4326
        }),
        "rows": 512,
        "cols": 512,
        "origin": {
          "x": -180,
          "y": 90
        },
        "lods": [{
          "level": "0",
          "scale": 236663484.36365247,
          "resolution": 0.5624999999999999
          }, {
          "level": "1",
          "scale": 118331742.18182631,
          "resolution": 0.28125000000000017
          }, {
          "level": "2",
          "scale": 59165871.090913124,
          "resolution": 0.140625
          }, {
          "level": "3",
          "scale": 29582935.545456562,
          "resolution": 0.0703125
          }, {
          "level": "4",
          "scale": 14791467.772728289,
          "resolution": 0.03515625000000002
          }, {
          "level": "5",
          "scale": 395733.8863641415,
          "resolution": 0.017578125000000003
          }, {
          "level": "6",
          "scale": 3697866.94318207,
          "resolution": 0.008789062499999998
          }, {
          "level": "7",
          "scale": 1848933.471591035,
          "resolution": 0.004394531249999999
          }, {
          "level": "8",
          "scale": 924466.7357955176,
          "resolution": 0.002197265625
          }, {
          "level": "9",
          "scale": 462233.3678977588,
          "resolution": 0.0010986328125
          }, {
          "level": "10",
          "scale": 231116.6839488794,
          "resolution": 0.00054931640625
          }, {
          "level": "11",
          "scale": 115558.3419744397,
          "resolution": 0.000274658203125
          }]
      });
      var tileExtent = new Extent(-180, -90, 180, 90, new SpatialReference({
        wkid: 4326
      }));

      var layerInfo = new WMTSLayerInfo({
        tileInfo: tileInfo,
        fullExtent: tileExtent,
        initialExtent: tileExtent,
        identifier: "SRTM_Color_Index",
        tileMatrixSet: "31.25m",
        format: "png",
        style: "default"
      });

      var resourceInfo = {
        version: "1.0.0",
        layerInfos: [layerInfo],
        copyright: "earthdata"
      };

      var options = {
        serviceMode: "KVP",
        resourceInfo: resourceInfo,
        layerInfo: layerInfo
      };

      wmtsLayer = new WMTSLayer("https://gibs.earthdata.nasa.gov/wmts/epsg4326/best", options);
      map.addLayer(wmtsLayer);
    });
  </script>
</head>

<body>
  <div data-dojo-type="dijit/layout/BorderContainer" data-dojo-props="design:'headline', gutters:false" style="width: 100%; height: 100%; margin: 0;">

    <div id="map" data-dojo-type="dijit/layout/ContentPane" data-dojo-props="region:'center'">
      <div id="citationInfo">
        <a href="https://earthdata.nasa.gov">Earthdata</a>
        served by
        <a href="https://www.nasa.gov">NASA</a>
      </div>
    </div>

  </div>
</body>

</html>
 
          
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