index.html

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="initial-scale=1" />
  <title>The globe of extremes</title>

  <link rel="stylesheet" href="https://js.arcgis.com/4.22/esri/themes/light/main.css" />
  <link rel="stylesheet" href="./style.css" />

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    require([
      "esri/Map",
      "esri/views/SceneView",
      "esri/layers/TileLayer",
      "esri/layers/GeoJSONLayer",
      "esri/Basemap",

      "utils/ExaggeratedElevationLayer",

      "esri/Graphic",
      "esri/geometry/Point",
      "esri/geometry/Mesh",

      "esri/core/watchUtils"
    ], function (Map, SceneView, TileLayer, GeoJSONLayer, Basemap, ExaggeratedElevationLayer, Graphic, Point, Mesh, watchUtils) {


      const R = 6358137; // approximate radius of the Earth in m
      const offset = 300000; // offset from the ground used for the clouds

      const basemap = new Basemap({
        baseLayers: [
          new TileLayer({
            url: "https://tiles.arcgis.com/tiles/nGt4QxSblgDfeJn9/arcgis/rest/services/terrain_with_heavy_bathymetry/MapServer",
            copyright: "Bathymetry, topography and satellite imagery from <a href=\"https://visibleearth.nasa.gov/view_cat.php?categoryID=1484\" target=\"_blank\">NASA Visible Earth</a> | <a href=\"http://www.aag.org/global_ecosystems\" target=\"_blank\">World Ecological Land Units, AAG</a> | Oceans, glaciers and water bodies from <a href=\"https://www.naturalearthdata.com/\" target=\"_blank\">Natural Earth</a>"
          })
        ]
      });

      const map = new Map({
        basemap: basemap
      });

      const view = new SceneView({
        container: "viewDiv",
        map: map,
        alphaCompositingEnabled: true,
        qualityProfile: "high",
        camera: {
          position: [-55.03975781, 14.94826384, 19921223.30821],
          heading: 2.03,
          tilt: 0.13
        },
        environment: {
          background: {
            type: "color",
            color: [255, 252, 244, 0]
          },
          starsEnabled: false,
          atmosphereEnabled: false,
          lighting: {
            directShadowsEnabled: false,
            date: "Sun Jun 23 2019 19:19:18 GMT+0200 (Central European Summer Time)"
          }
        },
        constraints: {
          altitude: {
            min: 10000000,
            max: 25000000
          }
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      view.ui.remove("navigation-toggle");

      map.ground.layers = [new ExaggeratedElevationLayer({
        exaggerationBathymetry: 60,
        exaggerationTopography: 40
      })];

      const origin = new Point({
        x: 0, y: -90, z: -(2 * R)
      });

      const oceanSurfaceMesh = Mesh.createSphere(
        origin, {
        size: {
          width: 2 * R,
          depth: 2 * R,
          height: 2 * R
        },
        densificationFactor: 5,
        material: {
          color: [0, 210, 210, 0.8],
          metallic: 0.9,
          roughness: 0.8,
          doubleSided: false
        }
      });

      const oceanSurface = new Graphic({
        geometry: oceanSurfaceMesh,
        symbol: {
          type: "mesh-3d",
          symbolLayers: [{
            type: "fill"
          }]
        }
      });

      view.graphics.add(oceanSurface);

      const cloudsSphere = Mesh.createSphere(new Point({
        x: 0, y: -90, z: -(2 * R + offset)
      }), {
        size: 2 * (R + offset),
        material: {
          colorTexture: './clouds-nasa.png',
          doubleSided: false
        },
        densificationFactor: 4
      });

      cloudsSphere.components[0].shading = "flat";

      const clouds = new Graphic({
        geometry: cloudsSphere,
        symbol: {
          type: "mesh-3d",
          symbolLayers: [{ type: "fill" }]
        }
      });

      view.graphics.add(clouds);

      const extremesLayer = new GeoJSONLayer({
        url: "extreme-points.geojson",
        elevationInfo: {
          mode: "absolute-height",
          offset: offset
        },
        copyright: "Data from <a href=\"https://en.wikipedia.org/wiki/Extreme_points_of_Earth\" target=\"_blank\">Extreme points on Earth</a> Wikipedia article | <a href=\"https://visibleearth.nasa.gov/view.php?id=57747\" target=\"_blank\">Cloud image</a> from NASA Goddard Space Flight Center (image by Reto Stöckli) for the cloud layer",
        renderer: {
          type: "simple",
          symbol: {
            type: "point-3d",
            symbolLayers: [{
              type: "icon",
              resource: { primitive: "circle" },
              material: { color: [0, 0, 0, 0] },
              outline: { color: [245, 99, 66, 1], size: 4 },
              size: 10
            }, {
              type: "icon",
              resource: { primitive: "circle" },
              material: { color: [0, 0, 0, 0] },
              outline: { color: [245, 99, 66, 1], size: 2 },
              size: 30
            }]
          }
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              Sources: <a href="{sourceUrl}" target="_blank">{source}</a> released under <a href="{sourceCopyrightUrl}">{sourceCopyright}</a>, <a href="{imageCopyrightUrl}" target="_blank">{imageCopyright}</a>.
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        }
      });

      map.layers.add(extremesLayer);

      document.getElementById("close-about").addEventListener("click", closeMenu);

      document.getElementById("start-globe").addEventListener("click", function () {
        closeMenu();
        view.when(function () {
          watchUtils.whenFalseOnce(view, "updating", rotate);
        });
      });

      document.getElementById("container").addEventListener("click", function (e) {
        if (e.target.id === "container") {
          closeMenu();
          view.when(function () {
            watchUtils.whenFalseOnce(view, "updating", rotate);
          });
        }
      });

      function closeMenu() {
        document.getElementById("container").style.display = "none";
        view.container.style.filter = "blur(0px)";
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      let intro = true;
      document.getElementById("about").addEventListener("click", function () {
        document.getElementById("container").style.display = "flex";
        view.container.style.filter = "blur(10px)";
        if (intro) {
          document.getElementById("show-about").classList.remove("hidden");
          document.getElementById("show-intro").classList.add("hidden");
          intro = false;
        }
      });

      view.ui.add("about", "bottom-left");

      function rotate() {
        if (!view.interacting) {
          const camera = view.camera.clone();
          camera.position.longitude -= 0.2;
          view.goTo(camera, { animate: false });
          requestAnimationFrame(rotate);
        }
      }
    });
  </script>
</head>

<body>
  <div id="viewDiv">
    <div id="about">About this globe</div>
  </div>
  <div id="container">
    <div id="introDiv">
      <h1>The globe of extremes</h1>
      <div id="show-intro">
        <p> Where is the most distant point from land? What altitude does the highest permanent human settlement have?
          Who was the first to reach the lowest point on Earth? Click on the orange icons on this globe to find out!
        </p>
        <button id="start-globe">Go to globe</button>
      </div>
      <div id="show-about" class="hidden">
        <button id="close-about" class="esri-icon-close"></button>
        <p>3D Globe created by <a href="https://www.esri.com/arcgis-blog/author/j_nelson/" target="_blank">John</a> and
          <a href="https://www.esri.com/arcgis-blog/author/raluca_zurich/" target="_blank">Raluca</a> after getting
          inspired by the <a href="https://www.half-earthproject.org/maps/" target="_blank">Half-Earth Project globe</a>, and <a href="https://www.fonterra.com/nz/en/campaign/from-here-to-everywhere.html#/home"
            target="_blank">this awesome globe</a> and <a href="https://www.instagram.com/p/Bt8zyI-gsqW/"
            target="_blank">this other awesome globe</a>. We used <a
            href="https://developers.arcgis.com/javascript/" target="_blank">ArcGIS API for JavaScript</a> to create the interactive globe and <a href="https://pro.arcgis.com/"
            target="_blank">ArcGIS Pro</a> to create the basemap. Many thanks to Arno Fiva, Christian Iten and Jesse van den Kieboom for the awesome feedback.</p>
        <p>Read this <a href="https://www.esri.com/arcgis-blog/products/js-api-arcgis/3d-gis/interactive-3d-globe/" target="_blank">blog post</a> to find out how the globe was created. For the curious coders, here is the <a href="https://github.com/RalucaNicola/the-globe-of-extremes" target="_blank">Github repository</a>.</p>
      </div>
    </div>
  </div>
</body>

</html>