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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
    />
    <meta
      name="description"
      content="Adjust hue, saturation, and brightness of the sky/atmosphere."
    />
    <meta name="cesium-sandcastle-labels" content="Showcases" />
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script
      type="text/javascript"
      src="../../../Build/CesiumUnminified/Cesium.js"
      nomodule
    ></script>
    <script type="module" src="../load-cesium-es6.js"></script>
  </head>
  <body
    class="sandcastle-loading"
    data-sandcastle-bucket="bucket-requirejs.html"
  >
    <style>
      @import url(../templates/bucket.css);
      #toolbar {
        background: rgba(42, 42, 42, 0.8);
        padding: 4px;
        border-radius: 4px;
      }
      #toolbar input {
        vertical-align: middle;
        padding-top: 2px;
        padding-bottom: 2px;
      }
    </style>
    <div id="cesiumContainer" class="fullSize"></div>
    <div id="loadingOverlay"><h1>Loading...</h1></div>
    <div id="toolbar">
      <table>
        <tbody>
          <tr>
            <td>hueShift</td>
            <td>
              <input
                type="range"
                min="-1"
                max="1"
                step="0.01"
                data-bind="value: hueShift, valueUpdate: 'input'"
              />
              <input type="text" size="5" data-bind="value: hueShift" />
            </td>
          </tr>
          <tr>
            <td>saturationShift</td>
            <td>
              <input
                type="range"
                min="-1"
                max="1"
                step="0.01"
                data-bind="value: saturationShift, valueUpdate: 'input'"
              />
              <input type="text" size="5" data-bind="value: saturationShift" />
            </td>
          </tr>
          <tr>
            <td>brightnessShift</td>
            <td>
              <input
                type="range"
                min="-1"
                max="1"
                step="0.01"
                data-bind="value: brightnessShift, valueUpdate: 'input'"
              />
              <input type="text" size="5" data-bind="value: brightnessShift" />
            </td>
          </tr>
        </tbody>
      </table>
    </div>
    <script id="cesium_sandcastle_script">
      function startup(Cesium) {
        "use strict";
        //Sandcastle_Begin
        var viewer = new Cesium.Viewer("cesiumContainer", {
          sceneModePicker: false,
        });
        var scene = viewer.scene;
        var skyAtmosphere = scene.skyAtmosphere;
        var globe = scene.globe;

        // The viewModel tracks the state of our mini application.
        var viewModel = {
          hueShift: 0.0,
          saturationShift: 0.0,
          brightnessShift: 0.0,
        };
        // Convert the viewModel members into knockout observables.
        Cesium.knockout.track(viewModel);

        // Bind the viewModel to the DOM elements of the UI that call for it.
        var toolbar = document.getElementById("toolbar");
        Cesium.knockout.applyBindings(viewModel, toolbar);

        // Make the skyAtmosphere's HSB parameters subscribers of the viewModel.
        function subscribeParameter(name, globeName) {
          Cesium.knockout
            .getObservable(viewModel, name)
            .subscribe(function (newValue) {
              skyAtmosphere[name] = newValue;
              globe[globeName] = newValue;
            });
        }

        subscribeParameter("hueShift", "atmosphereHueShift");
        subscribeParameter("saturationShift", "atmosphereSaturationShift");
        subscribeParameter("brightnessShift", "atmosphereBrightnessShift");

        Sandcastle.addToggleButton("Lighting", globe.enableLighting, function (
          checked
        ) {
          globe.enableLighting = checked;
        });

        Sandcastle.addToggleButton("Fog", scene.fog.enabled, function (
          checked
        ) {
          scene.fog.enabled = checked;
        });

        var camera = viewer.camera;
        camera.setView({
          destination: Cesium.Cartesian3.fromDegrees(-75.5847, 40.0397, 1000.0),
          orientation: {
            heading: -Cesium.Math.PI_OVER_TWO,
            pitch: 0.2,
            roll: 0.0,
          },
        });

        //Sandcastle_End
        Sandcastle.finishedLoading();
      }
      if (typeof Cesium !== "undefined") {
        window.startupCalled = true;
        startup(Cesium);
      }
    </script>
  </body>
</html>

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