current situation ：（Data volume 10,000 to 30,000）
My direction is smart city，so need large number of points and Vehicle motion path；
points => pointPrimitiveCollection solved;
path not solved;
About the line segment I tried：
1.entity => polyline => callbackProperty/SampledPositionProperty =>Very carton && Incoherent drawing;
2.geometryInstances => PolylineGeometry => result as above;
cesium 1.64 win10x64 chrome GTX1050
I need your help Thank you！！！！