Constructor

# new Viewer(id, options)

场景类

Parameters:

Name	Type	Description
`id`	`string`	唯一id
`options`	`object`	场景参数，参考Cesium.Viewer

Author:

Members

Type: Cesium.Camera

# readonly camera

场景相机

Type: Position

# readonly cameraPosition

相机位置

Type: HTMLCanvasElement

# readonly canvas

场景画布

Type: Cesium.Clock

# readonly clock

时钟

Type: string

# readonly container

场景容器

Type: Cesium.DataSources

# readonly dataSources

数据源

Type: Cesium.EntityCollection

# readonly entities

实体

Type: Cesium.ImageryLayer

# readonly imageryLayers

地图图层对象

Type: Element | undefined

# readonly layerContainer

图层容器

Type: Cesium.PostProcessStageCollection

# readonly postProcessStages

后期效果处理

Type: Cesium.Scene

# readonly scene

场景

Type: SceneEvent

# readonly sceneEvent

scene事件对象

Type: Cesium.TerrainProvider

# readonly terrainProvider

地形

Type: object

# readonly viewer

场景对象

Type: ViewerEvent

# readonly viewerEvent

viewer事件对象

Type: Element | undefined

# readonly widgetContainer

组件容器

Type: number

# readonly zoom

缩放等级

Methods

# addBaseLayer(baseLayer, options) → {Viewer}

设置基础图层

Parameters:

Name	Type	Description
`baseLayer`	`Cesium.ImageryLayer`	图层
`options`	`Object`	图层属性

Returns:

当前对象

Type: Viewer

# addLayer(layer) → {Viewer}

添加图层

Parameters:

Name	Type	Description
`layer`	`Layer`	图层对象

Returns:

当前对象

Type: Viewer

# addLayerGroup(layerGroup) → {Viewer}

添加图层组

Parameters:

Name	Type	Description
`layerGroup`	`Object`	图层组

Returns:

当前对象

Type: Viewer

# changeBaseLayer(index) → {Viewer}

切换图层

Parameters:

Name	Type	Description
`index`	`number`	图层index

Returns:

当前对象

Type: Viewer

# changeSceneMode(sceneMode, duration) → {Viewer}

切换模式

Parameters:

Name	Type	Default	Description
`sceneMode`	`number`		2(2d),3(3d),2.5(2.5d)
`duration`	`number`	0	切换时间

Returns:

当前对象

Type: Viewer

# destroy() → {Viewer}

销毁当前Viewer

Returns:

当前对象

Type: Viewer

# eachLayer(method, context) → {Viewer}

遍历图层

Parameters:

Name	Type	Description
`method`	`function`	回调
`context`	`Context`	上下文

Returns:

当前对象

Type: Viewer

# exportScene(name) → {Viewer}

将视图导出为图片

Parameters:

Name	Type	Description
`name`	`string`	导出的名称

Returns:

当前对象

Type: Viewer

# flyTo(target, duration：-) → {Viewer}

飞向目标点

Parameters:

Name	Type	Description
`target`	`Object`	飞向的目标点
`duration：-`	`Object`	飞行参数

Returns:

当前对象

Type: Viewer

# flyToBounds(bounds, completeCallback, duration) → {Viewer}

定位到一个四角坐标

Parameters:

Name	Type	Description
`bounds`	`Object`	四角坐标
`completeCallback`	`function`	定位完成回调
`duration`	`number`	定位时间间隔

Returns:

当前对象

Type: Viewer

# flyToPosition(position, completeCallback, duration) → {Viewer}

定位到坐标点上

Parameters:

Name	Type	Description
`position`	`Position`	定位目标点
`completeCallback`	`function`	定位完成回调
`duration`	`number`	定位时间间隔

Returns:

当前对象

Type: Viewer

# getImageryLayerInfo(windowPosition) → {Object}

获取射线拾取的信息

Parameters:

Name	Type	Description
`windowPosition`	`Cesium.Cartesian2`	点击点的平面坐标

Returns:

射线拾取信息

Type: Object

# getLayer(id) → {Layer|undefined}

通过id获取图层

Parameters:

Name	Type	Description
`id`	`string`	图层id

Returns:

获取的图层或者undefined

Type: Layer | undefined

# getLayerGroup(id) → {Object|undefined}

通过id获取图层组

Parameters:

Name	Type	Description
`id`	`string`	图层组id

Returns:

图层组

Type: Object | undefined

# getLayers() → {Array.<Layer>}

获取当前所有图层

Returns:

所有图层

Type: Array.<Layer>

# getOffset() → {Object}

获取到偏移量

Returns:

偏移量

Type: Object

# hasLayer(layer) → {boolean}

判断是否有指定图层

Parameters:

Name	Type	Description
`layer`	`Layer`	指定图层

Returns:

是否有指定图层

Type: boolean

# off(type, callback, context) → {Viewer}

取消事件

Parameters:

Name	Type	Description
`type`	`string`	事件类型
`callback`	`function`	事件回调
`context`	`Context`	上下文

Returns:

当前对象

Type: Viewer

# on(type, callback, context) → {Viewer}

事件

Parameters:

Name	Type	Description
`type`	`string`	事件类型
`callback`	`function`	事件回调
`context`	`Context`	上下文

Returns:

当前对象

Type: Viewer

# once(type, callback, context) → {Viewer}

once事件

Parameters:

Name	Type	Description
`type`	`string`	事件类型
`callback`	`function`	事件回调
`context`	`Context`	上下文

Returns:

当前对象

Type: Viewer

# removeLayer(layer) → {Viewer}

移出图层

Parameters:

Name	Type	Description
`layer`	`Layer`	图层对象

Returns:

当前对象

Type: Viewer

# reomveLayerGroup(layerGroup) → {Viewer}

移出图层组

Parameters:

Name	Type	Description
`layerGroup`	`Object`	图层组

Returns:

当前对象

Type: Viewer

# setOptions(options) → {Viewer}

设置属性

Parameters:

Name	Type	Description
`options`	`Object`	需要设置的属性

Returns:

当前对象

Type: Viewer

# setTerrain(terrain) → {Viewer}

设置高程

Parameters:

Name	Type	Description
`terrain`	`string`	高程url

Returns:

当前对象

Type: Viewer

# zoomTo(target) → {Viewer}

定位到目标点

Parameters:

Name	Type	Description
`target`	`Object`	目标点

Returns:

当前对象

Type: Viewer

# zoomToBounds(bounds, completeCallback) → {Viewer}

定位到四角坐标

Parameters:

Name	Type	Description
`bounds`	`Object`	四角坐标
`completeCallback`	`function`	定位完成回调

Returns:

当前对象

Type: Viewer

# zoomToPosition(position, completeCallback) → {Viewer}

定位到坐标点上

Parameters:

Name	Type	Description
`position`	`Position`	定位目标点
`completeCallback`	`function`	定位完成回调

Returns:

当前对象

Type: Viewer