new Cesium.PolylineVolumeGeometryUpdater(entity, scene)
用于更新折线体的
GeometryUpdater
Clients do not normally create this class directly, but instead rely on DataSourceDisplay
.
Name | Type | Description |
---|---|---|
entity |
Entity | 折线体几何型实体。 |
scene |
Scene | 场景。 |
内置方法
创建表示几何图形填充的几何图形实例。
Name | Type | Description |
---|---|---|
time |
JulianDate | The time to use when retrieving initial attribute values. |
返回值:
The geometry instance representing the filled portion of the geometry.
异常情况:
-
DeveloperError : This instance does not represent a filled geometry.
createOutlineGeometryInstance(time) → GeometryInstance
创建表示几何图形边框的几何图形实例。
Name | Type | Description |
---|---|---|
time |
JulianDate | The time to use when retrieving initial attribute values. |
返回值:
The geometry instance representing the outline portion of the geometry.
异常情况:
-
DeveloperError : This instance does not represent an outlined geometry.