您好，使用Cesium绘制扇形可以参考这篇博客https://blog.csdn.net/weixin_44526080/article/details/105597650?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~all~first_rank_v2~rank_v25-2-105597650.nonecase&utm_term=cesium%E6%80%8E%E4%B9%88%E7%BB%98%E5%88%B6%E6%89%87%E5%BD%A2&spm=1000.2123.3001.4430
