您好,三角网简化可以单独对重点对象进行简化。简化方法还有移除重复点,操作子对象等。具体可以参考下面2篇博客:
https://blog.csdn.net/supermapsupport/article/details/93486780
https://blog.csdn.net/supermapsupport/article/details/80350901