76 lines
1.9 KiB
Markdown
76 lines
1.9 KiB
Markdown
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---
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title: 快速起步
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author: ac
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date: 2022-01-12
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tags:
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- CesiumJS
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categories:
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- GIS
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---
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> 官网上的快速起步，有两种方式：
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>
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> 1. CDN的方式引用;
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>
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> 2. 工程化的npm包的形式。
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>
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> 这里先使用CDN的方式引用刚本地部署时下载的资源的方式。
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### 1. 获取Cesium ion的token
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[Sign up for a free account](https://cesium.com/ion/signup/)
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在`Cesium ion` 上注册账号，就会有一个访问Ion平台数据token。
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通过这个token可以访问该用户在`My Assets` 列表中的数据，`My Assets`中的服务可以是从现有的 `Assets Depot` 中列表中添加，也可以自己上传数据。
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### 2. Hello CesiumJS
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创建一个叫"hello-cesium"的空文件夹，将刚解压出来的Build 文件夹拷贝一份进去。
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> Build目录下有很多依赖的资源文件，所以不能单单拷贝Cesium.js文件。
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```html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<script src="./Build/Cesium/Cesium.js"></script>
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<style>
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@import url(./Build/Cesium/Widgets/widgets.css);
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html, body, #cesiumContainer {
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width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden;
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}
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</style>
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<!-- <script src="https://cesium.com/downloads/cesiumjs/releases/1.68/Build/Cesium/Cesium.js"></script> -->
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<!-- <link href="https://cesium.com/downloads/cesiumjs/releases/1.68/Build/Cesium/Widgets/widgets.css" rel="stylesheet"> -->
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</head>
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<body>
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<div id="cesiumContainer"></div>
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<script>
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Cesium.Ion.defaultAccessToken = 'your_access_token';
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var viewer = new Cesium.Viewer('cesiumContainer',{
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terrainProvider: Cesium.createWorldTerrain()
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});
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</script>
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</body>
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</html>
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```
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