6、分别形成了KDO与OKD等两种索引,利用C++语言对其编程实现,进行了算法测试,结果显示出OKD索引更适合于海量的点云数据管理。关键词:LiDAR;点云;空间索引;八叉树;KD树ABSTRACTWithadvancesin computertechnologyandthegrowing social demand, asareal-timethree-dimensionalinformationacquisitionmethodhastheadvantagesofhighefficiencyandprecisiongroundLiDARhasalsomadegreats