#### # new IGSImageLayer(options)

IGS影像图层

#### 参数:

名称 | 类型 | 默认值 | 描述
--- | --- | --- | ---
`options` | Object |  | 构造参数
`url` | String | '' | 服务链接

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

### 继承关系

- MapImageLayer

### 成员变量

类型: Collection

#### # allSublayers

所有子图层信息

Inherited From:
  - MapImageLayer#allSublayers

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 77

类型: String

#### # readonly capabilities

可提供的服务

Inherited From:
  - MapImageLayer#capabilities

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 46

类型: String

#### # readonly documentInfo

地图文档信息

Inherited From:
  - MapImageLayer#documentInfo

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 40

类型: String

#### # readonly extent

图层范围，从服务中读取，仅会请求在该范围内的瓦片

Overrides:
  - MapImageLayer#extent

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 154

类型: String

#### # imageFormat

图片格式

Inherited From:
  - MapImageLayer#imageFormat

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 67

类型: Number

#### # imageHeight

瓦片化显示时，瓦片高度

Inherited From:
  - MapImageLayer#imageHeight

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 62

类型: Boolean

#### # imageTransparency

图片中没有数据的地方是否透明

Inherited From:
  - MapImageLayer#imageTransparency

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 72

类型: Number

#### # imageWidth

瓦片化显示时，瓦片宽度

Inherited From:
  - MapImageLayer#imageWidth

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 57

类型: String

#### # readonly mapName

地图名称

Inherited From:
  - MapImageLayer#mapName

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 33

类型: String

#### # renderMode

渲染模式，分为瓦片渲染'tile'和图像渲染'image'

Inherited From:
  - MapImageLayer#renderMode

查看源代码 common/document/layer/baseLayer/MapImageLayer.js, line 52

类型: String

#### # url

服务基地址

Overrides:
  - MapImageLayer#url

查看源代码 common/document/layer/igserver/IGSImageLayer.js, line 21

### 方法

#### # clone()

克隆方法

Overrides:
  - MapImageLayer#clone

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

返回值:

图层

类型: IGSImageLayer

#### # toJSON()

转换为json对象

Overrides:
  - MapImageLayer#toJSON

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

返回值:

json对象

类型: Object