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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<script src="Build/Cesium/Cesium.js"></script>
<link href="Build/Cesium/Widgets/widgets.css" rel="stylesheet">
<style>
body{
border: 0px;
margin: 0px;
}
#cesiumContainer {
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<div id="cesiumContainer"></div>
<script>
//加载谷歌中国卫星影像，谷歌地球商业版，需要翻墙，报跨域资源请求错误
var url = "http://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}&s=Gali";
var Google = new Cesium.UrlTemplateImageryProvider({url:url})
//Viewer第一个参数容器就是需要上面的div容器承载
var viewer = new Cesium.Viewer('cesiumContainer',{
// 将图层选择的控件关掉，才能添加其他影像数据
baselLayerPicker:false,
imageryProvider:Google
});
// 坐标设置在纽约，这样会有默认的3dTiles数据
var initialPosition = Cesium.Cartesian3.fromDegrees(-74.01881302800248, 40.69114333714821, 753);
var initialOrientation = new Cesium.HeadingPitchRoll.fromDegrees(21.27879878293835, -21.34390550872461, 0.0716951918898415);
viewer.scene.camera.setView({
destination: initialPosition,
orientation: initialOrientation,
endTransform: Cesium.Matrix4.IDENTITY
});
// 加载3DTiles数据，纽约进行封装了
var city = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({url:Cesium.IonResource.fromAssetId(5741)}))
// 设置建筑物的样式
var heightStyle = new Cesium.Cesium3DTileStyle({
color:{
conditions:[
["${height} >= 300","rgba(45,0,75,0.5)"],
["${height} >= 200","rgb(102,71,151)"],
["${height} >= 100","rgb(170,162,204)"],
["${height} >= 50","rgb(224,226,238)"],
["${height} >= 25","rgb(252,230,200)"],
["${height} >= 10","rgb(248,176,87)"],
["${height} >= 5","rgb(198,106,11)"],
["true","rgb(102,71,151)"]
]
}
});
// 将默认样式改为自定义样式
city.style = heightStyle;
</script>
</body>
</html>
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