A description of the outline of a a cartographic rectangle on an ellipsoid centered at the origin.
参数名称 | 类型 | 描述信息 | ||||||||||||||||||||||||||||
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options |
object |
Object with the following properties:
|
Throws:
- RectangleOutlineGeometry#createGeometry
使用示例:
const rectangle = new Cesium.RectangleOutlineGeometry({
ellipsoid : Cesium.Ellipsoid.WGS84,
rectangle : Cesium.Rectangle.fromDegrees(-80.0, 39.0, -74.0, 42.0),
height : 10000.0
});
const geometry = Cesium.RectangleOutlineGeometry.createGeometry(rectangle);
参考:
成员(属性)
The number of elements used to pack the object into an array.
方法
static Cesium.RectangleOutlineGeometry.createGeometry(rectangleGeometry) → Geometry|undefined
Computes the geometric representation of an outline of a rectangle, including its vertices, indices, and a bounding sphere.
参数名称 | 类型 | 描述信息 |
---|---|---|
rectangleGeometry |
RectangleOutlineGeometry | A description of the rectangle outline. |
返回值:
The computed vertices and indices.
Throws:
-
DeveloperError : Rotated rectangle is invalid.
Stores the provided instance into the provided array.
参数名称 | 类型 | 默认值 | 描述信息 |
---|---|---|---|
value |
RectangleOutlineGeometry | The value to pack. | |
array |
Array.<number> | The array to pack into. | |
startingIndex |
number |
0
|
可选 The index into the array at which to start packing the elements. |
返回值:
The array that was packed into
static Cesium.RectangleOutlineGeometry.unpack(array, startingIndex, result) → RectangleOutlineGeometry
Retrieves an instance from a packed array.
参数名称 | 类型 | 默认值 | 描述信息 |
---|---|---|---|
array |
Array.<number> | The packed array. | |
startingIndex |
number |
0
|
可选 The starting index of the element to be unpacked. |
result |
RectangleOutlineGeometry | 可选 The object into which to store the result. |
返回值:
The modified result parameter or a new Quaternion instance if one was not provided.