Cesium JS API
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CorridorOutlineGeometry

CorridorOutlineGeometry是用于绘制走廊边框的几何体,其由一系列贴着路径排列的矩形轮廓线条组成。

语法

以下是CorridorOutlineGeometry对象的语法:

new Cesium.CorridorOutlineGeometry(options)

参数:

  • options: Object
    • positions: Array optional 路径上的点的数组
    • width: Number optional 走廊的宽度
    • granularity: Number optional 每个线段的粒度
    • ellipsoid: Ellipsoid optional 椭球体

示例

下面的代码创建了一条路径并使用CorridorOutlineGeometry绘制了该路径的边框:

var viewer = new Cesium.Viewer('cesiumContainer');
var corridorPositions = [
   Cesium.Cartesian3.fromDegrees(-75.10, 39.57),
   Cesium.Cartesian3.fromDegrees(-77.02, 38.88),
   Cesium.Cartesian3.fromDegrees(-80.19, 25.76),
   Cesium.Cartesian3.fromDegrees(-77.03, 18.47)
];
var corridorOutlineGeometry = new Cesium.CorridorOutlineGeometry({
  positions: corridorPositions,
  width: 200000,
  granularity: Cesium.Math.RADIANS_PER_DEGREE / 20
});
var corridorOutlineInstance = new Cesium.GeometryInstance({
  geometry: corridorOutlineGeometry,
  attributes: {
    color: Cesium.ColorGeometryInstanceAttribute.fromColor(Cesium.Color.YELLOW)
  }
});
viewer.scene.primitives.add(new Cesium.Primitive({
  geometryInstances: [corridorOutlineInstance],
  appearance: new Cesium.PerInstanceColorAppearance({
    flat: true,
    translucent: false
  })
}));

方法

以下是CorridorOutlineGeometry对象支持的方法:

CorridorOutlineGeometry.createGeometry(corridorOutlineGeometry)

使用提供的几何图形参数创建几何体对象。

参数:

  • corridorOutlineGeometry: CorridorOutlineGeometry 定义几何体的参数

返回值:

  • Geometry: 几何体对象。

属性

以下是CorridorOutlineGeometry对象支持的属性:

CorridorOutlineGeometry.packedLength

用于打包的常量。