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.🌎
Track的addPosition方法执行追加点位的时候动画会倒退一段,原本的轨迹也会清空重新渲染