Czml Spheres Ellipsoids

<!--
  示例：CZML 的球与椭球
  说明：radii 是三个半轴，相等即正球；innerRadii 给出空心球壳
  核心逻辑：ellipsoid.radii / innerRadii / material → CzmlDataSource.load
  依赖：CesiumJS 1.121 · jsDelivr CDN
-->
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta name="robots" content="noindex,follow">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>CZML 球与椭球</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/cesium@1.121.0/Build/Cesium/Widgets/widgets.css">
<style>
  html,body{height:100%;margin:0}
  body{background:#0e1116;color:#e6e8ec;overflow:hidden;
       font:13px/1.6 -apple-system,"Segoe UI","PingFang SC",sans-serif}
  #c{height:100%}
  .cesium-viewer-bottom .cesium-widget-credits,.cesium-viewer-animationContainer,
  .cesium-viewer-timelineContainer{display:none!important}
</style>
</head>
<body>
<div id="c"></div>
<script src="https://cdn.jsdelivr.net/npm/cesium@1.121.0/Build/Cesium/Cesium.js"></script>
<script>
(function () {
  'use strict';

  var viewer = new Cesium.Viewer('c', {
    baseLayer: false,
    baseLayerPicker: false, geocoder: false, homeButton: false,
    sceneModePicker: false, navigationHelpButton: false,
    animation: false, timeline: false, fullscreenButton: false,
    infoBox: false, selectionIndicator: false
  });

  var scene = viewer.scene;
  scene.globe.baseColor = Cesium.Color.fromCssColorString('#1c2733');
  scene.backgroundColor = Cesium.Color.fromCssColorString('#0e1116');
  scene.skyBox.show = false;
  scene.moon.show = false;
  if (scene.skyAtmosphere) scene.skyAtmosphere.show = false;
  scene.globe.enableLighting = true;

  var data = [
    { id: 'document', name: '球与椭球', version: '1.0' },
    {
      id: 'sphere',
      name: '正球',
      position: { cartographicDegrees: [116.352, 39.900, 3200] },
      ellipsoid: {
        radii: { cartesian: [3000, 3000, 3000] },
        material: { solidColor: { color: { rgba: [77, 155, 255, 200] } } }
      }
    },
    {
      id: 'ellipsoid',
      name: '扁椭球',
      position: { cartographicDegrees: [116.392, 39.900, 3200] },
      ellipsoid: {
        radii: { cartesian: [6200, 3600, 2200] },
        material: { solidColor: { color: { rgba: [57, 192, 160, 190] } } }
      }
    },
    {
      id: 'shell',
      name: '空心球壳',
      position: { cartographicDegrees: [116.436, 39.900, 4200] },
      ellipsoid: {
        radii: { cartesian: [4200, 4200, 4200] },
        innerRadii: { cartesian: [3900, 3900, 3900] },
        material: { solidColor: { color: { rgba: [240, 170, 70, 170] } } }
      }
    },
    {
      id: 'caption',
      position: { cartographicDegrees: [116.392, 39.882, 0] },
      label: {
        text: '正球 · 扁椭球 · 空心球壳',
        font: '500 13px "Microsoft YaHei", sans-serif',
        fillColor: { rgba: [216, 232, 250, 255] },
        disableDepthTestDistance: Number.POSITIVE_INFINITY
      }
    }
  ];

  Cesium.CzmlDataSource.load(data).then(function (ds) {
    viewer.dataSources.add(ds);
  });

  viewer.camera.flyTo({
    destination: Cesium.Cartesian3.fromDegrees(116.392, 39.872, 18000),
    orientation: {
      heading: 0,
      pitch: Cesium.Math.toRadians(-28),
      roll: 0
    },
    duration: 0
  });
})();
</script>
</body>
</html>