### 成员变量

类型: String

#### # static readonly ArcGISMapImageSub

SubLayerType.ArcGISMapImageSub， ArcGIS地图子图层

Default Value:
  - 'arcgis-map-image-sub'

类型: String

#### # static readonly ArcGISVectorTileSub

SubLayerType.ArcGISVectorTileSub，ArcGIS矢量瓦片子图层

Default Value:
  - 'arcgis-vector-tile-sub'

类型: String

#### # static readonly baseSub

SubLayerType.baseSub 基础子图层

Default Value:
  - 'base-sub'

类型: String

#### # static readonly IGSMapImageSub

SubLayerType.IGSMapImageSub， IGS地图子图层

Default Value:
  - 'igs-map-image-sub'

类型: String

#### # static readonly IGSSceneSub

SubLayerType.IGSSceneSub， IGS场景子图层

Default Value:
  - 'igs-scene-sub'

类型: String

#### # static readonly IGSSceneSubLabel

SubLayerType.IGSSceneSubLabel， IGS场景子图层 label

Default Value:
  - 'igs-scene-sub-label'

类型: String

#### # static readonly IGSSceneSubM3DCache

SubLayerType.IGSSceneSubM3DCache， IGS场景子图层 M3DCache

Default Value:
  - 'igs-scene-sub-m3d-cache'

类型: String

#### # static readonly IGSSceneSubMapRef

SubLayerType.IGSSceneSubMapRef， IGS场景子图层 MapRef

Default Value:
  - 'igs-scene-sub-map-ref'

类型: String

#### # static readonly IGSSceneSubTerrian

SubLayerType.IGSSceneSubTerrian， IGS场景子图层 terrian

Default Value:
  - 'igs-scene-sub-terrain'

类型: String

#### # static readonly IGSVectorTileSub

SubLayerType.IGSVectorTileSub IGS矢量瓦片子图层

Default Value:
  - 'igs-vector-tile-sub'

类型: String

#### # static readonly ISSceneSub

SubLayerType.ISSceneSub iServer场景子图层

Default Value:
  - 'is-scene-sub'

类型: String

#### # static readonly ISSceneSubS3MCache

SubLayerType.ISSceneSubS3MCache iServer场景子图层 S3MCache

Default Value:
  - 'is-scene-sub-s3m-cache'

类型: String

#### # static readonly vectorTileSub

SubLayerType.vectorTileSub，矢量瓦片子图层

Default Value:
  - 'vector-tile-sub'

类型: String

#### # static readonly WMSSub

SubLayerType.WMSSub，OGC-WMS子图层

Default Value:
  - 'wms-sub'