#### # new IGSVectorTileSubLayer(options)

IGS矢量瓦片子图层

#### 参数:

名称 | 类型 | 默认值 | 描述
--- | --- | --- | ---
`options` | Object |  | 构造参数
`renderer` | BaseRenderer |  | 渲染样式对象，支持如下渲染样式： `1、单值渲染` `2、分段渲染`
`type` | String |  | 矢量瓦片子图层的类型
`id` | String |  | 矢量瓦片子图层的id
`title` | String |  | 矢量瓦片子图层的标题
`visible` | Boolean | true | 图层可见性
`layer` | IGSVectorTileLayer |  | 矢量瓦片父图层
`sublayers` | Array |  | 矢量瓦片子图层

查看源代码 common/document/layer/igserver/IGSVectorTileSubLayer.js, line 5

### 继承关系

- SubLayer

### 成员变量

类型: String

#### # id

矢量瓦片子图层的id

Overrides:
  - SubLayer#id

查看源代码 common/document/layer/igserver/IGSVectorTileSubLayer.js, line 32

类型: IGSVectorTileLayer

#### # layer

矢量瓦片图层

Overrides:
  - SubLayer#layer

查看源代码 common/document/layer/igserver/IGSVectorTileSubLayer.js, line 70

#### # renderer

渲染样式对象

查看源代码 common/document/layer/igserver/IGSVectorTileSubLayer.js, line 113

类型: Array.<IGSVectorTileSubLayer>

#### # sublayers

矢量瓦片子图层

Overrides:
  - SubLayer#sublayers

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

类型: String

#### # title

矢量瓦片子图层的标题

Overrides:
  - SubLayer#title

查看源代码 common/document/layer/igserver/IGSVectorTileSubLayer.js, line 38

类型: String

#### # type

矢量瓦片子图层的类型 https://docs.mapbox.com/mapbox-gl-js/style-spec/layers

查看源代码 common/document/layer/igserver/IGSVectorTileSubLayer.js, line 26

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

#### # clone()

克隆图层对象

Overrides:
  - SubLayer#clone

查看源代码 common/document/layer/igserver/IGSVectorTileSubLayer.js, line 231

返回值:

克隆后的图层对象

类型: IGSVectorTileSubLayer

#### # 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/IGSVectorTileSubLayer.js, line 198

#### # toJSON()

将图层转为json对象

Overrides:
  - SubLayer#toJSON

查看源代码 common/document/layer/igserver/IGSVectorTileSubLayer.js, line 214

返回值:

josn对象

类型: Object