1. A concise explanation of the problem you’re experiencing.
I find the project which website is https://github.com/1617301803/cesium-geometry. I want to get the sener ,but i can’t run success
2. A minimal code example. If you’ve found a bug, this helps us reproduce and repair it.
https://github.com/1617301803/cesium-geometry
3. Context. Why do you need to do this? We might know a better way to accomplish your goal.
4. The Cesium version you’re using, your operating system and browser.
the cesium version is 1.40 ,I also try the 1.43 which still lose.