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CoplanarPolygonOutlineGeometry

new Cesium.CoplanarPolygonOutlineGeometry(options)
engine/Source/Core/CoplanarPolygonOutlineGeometry.js 73

对由任意共面位置组成的多边形轮廓的描述。 A description of the outline of a polygon composed of arbitrary coplanar positions.
名称 Name 类型 Type 说明 Description
options object 具有以下属性的对象： Object with the following properties:
名称 Name 类型 Type 说明 Description
polygonHierarchy PolygonHierarchy 可以包含孔的多边形层次结构。 A polygon hierarchy that can include holes.
示例： Example:
const polygonOutline = new Cesium.CoplanarPolygonOutlineGeometry({
  positions : Cesium.Cartesian3.fromDegreesArrayHeights([
     -90.0, 30.0, 0.0,
     -90.0, 30.0, 1000.0,
     -80.0, 30.0, 1000.0,
     -80.0, 30.0, 0.0
  ])
});
const geometry = Cesium.CoplanarPolygonOutlineGeometry.createGeometry(polygonOutline);
另见： See:

成员 Members

packedLength : number
engine/Source/Core/CoplanarPolygonOutlineGeometry.js 87

用于将对象打包到数组中的元素数量。 The number of elements used to pack the object into an array.

方法 Methods

static Cesium.CoplanarPolygonOutlineGeometry.createGeometry(polygonGeometry) → Geometry|undefined
engine/Source/Core/CoplanarPolygonOutlineGeometry.js 192

计算任意共面多边形的几何表示，包括其顶点、索引和边界球。 Computes the geometric representation of an arbitrary coplanar polygon, including its vertices, indices, and a bounding sphere.
名称 Name 类型 Type 说明 Description
polygonGeometry CoplanarPolygonOutlineGeometry 多边形的描述。 A description of the polygon.
返回： Returns:
计算的顶点和索引。 The computed vertices and indices.

static Cesium.CoplanarPolygonOutlineGeometry.fromPositions(options) → CoplanarPolygonOutlineGeometry
engine/Source/Core/CoplanarPolygonOutlineGeometry.js 101

对位置数组中的共面多边形轮廓的描述。 A description of a coplanar polygon outline from an array of positions.
名称 Name 类型 Type 说明 Description
options object 具有以下属性的对象： Object with the following properties:
名称 Name 类型 Type 说明 Description
positions Array.<Cartesian3> 定义多边形角点的位置数组。 An array of positions that defined the corner points of the polygon.
返回： Returns:

static Cesium.CoplanarPolygonOutlineGeometry.pack(value, array, startingIndex) → Array.<number>
engine/Source/Core/CoplanarPolygonOutlineGeometry.js 125

将提供的实例存储到提供的数组中。 Stores the provided instance into the provided array.
名称 Name 类型 Type 默认值 Default 说明 Description
value CoplanarPolygonOutlineGeometry 包装的价值。 The value to pack.
array Array.<number> 要打包到的数组。 The array to pack into.
startingIndex number 0 可选 optional 开始打包元素的数组索引。 The index into the array at which to start packing the elements.
返回： Returns:
被打包成的数组 The array that was packed into

static Cesium.CoplanarPolygonOutlineGeometry.unpack(array, startingIndex, result) → CoplanarPolygonOutlineGeometry
engine/Source/Core/CoplanarPolygonOutlineGeometry.js 156

从打包数组中检索实例。 Retrieves an instance from a packed array.
名称 Name 类型 Type 默认值 Default 说明 Description
array Array.<number> 打包的数组。 The packed array.
startingIndex number 0 可选 optional 要解包的元素的起始索引。 The starting index of the element to be unpacked.
result CoplanarPolygonOutlineGeometry 可选 optional 用于存储结果的对象。 The object into which to store the result.
返回： Returns:
修改后的结果参数或新的 CoplanarPolygonOutlineGeometry 实例（如果未提供）。 The modified result parameter or a new CoplanarPolygonOutlineGeometry instance if one was not provided.
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