pickPosition( czmViewer: ESCesiumViewer, pointerEvent: PointerEvent, virtualHeight: undefined | number, result?: [number, number, number],): Promise<undefined | [number, number, number]> 参数
- czmViewer: ESCesiumViewer
- pointerEvent: PointerEvent
- virtualHeight: undefined | number
可选result: [number, number, number]
返回 Promise<undefined | [number, number, number]>