computeParabolaPositions

new Cesium.computeParabolaPositions(options)Array.<Cartesian3>

给定抛物线段的起点,终点和任意中间点,中间点作为控制点调整曲线的形状,计算出曲线的坐标。
Name Type Description
options Object 具有如下属性
Name Type Default Description
start Cartographic 抛物线起点.
end Cartographic 抛物线终点.
mid Cartographic 抛物线控制点(中间点),控制点经纬度应该在起终点的经纬度范围内,否则计算得到的曲线显示该点是曲线最后一点.
sampleCount Number 6 optional 起点到终点这段抛物线采样点的个数.
Returns:
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