How to draw custom dynamic billboards in Cesium.js
问题 I'm currently using Cesium for a mapping application, and I have a requirement to have status indicators for each item I'm plotting (for example, if the item I'm plotting is an airplane, then I need to have a fuel status indicator). I can't use Cesium's drawing tools to do this because they are drawn using geographic locations, but I need my status indicators to simply be located near the billboard and not get farther away from the billboard as users zoom in and out. Cesium's CZML