DC-SDK is based on the open source project Cesium for the second development of two three-dimensional WebGis application framework , the framework optimizes the use of Cesium and adds some additional features , designed for developers to quickly build WebGis application.🌎
如图,方法
Cesium.Rectangle.center(rectangle, result)
,第一个参数需要Cesium.Rectangle
类型 未修改之前this._delegate.rectangle
是Cesium.RectangleGraphics
类型