SceneModePicker

Name	Type	Default	Description
container	Element | String		将包含窗口小部件的DOM元素或ID。
scene	Scene		要使用的Scene实例。
duration	Number	2.0	可选 场景转换所需的时间（以秒为单位）。

Throws:

• DeveloperError :ID为'容器'的元素在文档中不存在。

Example:

// In HTML head, include a link to the SceneModePicker.css stylesheet,
// and in the body, include: <div id="sceneModePickerContainer"></div>
// Note: This code assumes you already have a Scene instance.

var sceneModePicker = new Cesium.SceneModePicker('sceneModePickerContainer', scene);