#### # new IGSSceneSubLayer(options)

IGS的SceneLayer子图层

#### 参数:

名称 | 类型 | 描述
--- | --- | ---
`options` | Object | 构造参数
`extendOptions` | Object | 初始化图层的额外参数，三维引擎专有的初始化参数请传入此对象

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 6

### 继承关系

- SubLayer

### 成员变量

类型: Number

#### # beginLevel

开始级别

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 42

类型: Number

#### # endLevel

结束级别

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 48

类型: Object

#### # extendOptions

初始化图层的额外参数，三维引擎专有的初始化参数请传入此对象

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 76

类型: String

#### # id

子图层的id

Overrides:
  - SubLayer#id

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 18

类型: Layer

#### # layer

父图层对象

Overrides:
  - SubLayer#layer

查看源代码 common/document/layer/baseLayer/SubLayer.js, line 27

类型: Number

#### # layerIndex

子图层的索引

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 23

类型: Number

#### # maxFrameSize

最大网格大小

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 66

类型: Point

#### # originPoint

网格划分的源点

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 54

类型: Extent

#### # range

子图层服范围(二维)

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 88

类型: Extent

#### # range3D

子图层服范围(三维)

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 103

类型: String

#### # renderType

子图层渲染类型

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 36

类型: Array

#### # sublayers

包含的子图层对象

Inherited From:
  - SubLayer#sublayers

查看源代码 common/document/layer/baseLayer/SubLayer.js, line 32

类型: String

#### # title

图层名称

Inherited From:
  - SubLayer#title

查看源代码 common/document/layer/baseLayer/SubLayer.js, line 37

类型: String

#### # type

子图层类型

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 30

类型: String

#### # url

子图层服务地址

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 82

类型: Boolean

#### # visible

图层可见性

Overrides:
  - SubLayer#visible

查看源代码 common/document/layer/baseLayer/SubLayer.js, line 42

### 方法

#### # static fromJSON(json)

通过json对象初始化该对象

#### 参数:

名称 | 类型 | 描述
--- | --- | ---
`json` | Object | json对象

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 178

#### # clone()

克隆方法

Inherited From:
  - SubLayer#clone

查看源代码 common/document/layer/baseLayer/SubLayer.js, line 76

返回值:

图层

类型: SubLayer

#### # toJSON()

将对象转为json对象

Overrides:
  - SubLayer#toJSON

查看源代码 common/document/layer/igserver/IGSSceneSubLayer.js, line 148

返回值:

json对象

类型: Object