Abstract
Laser point set has a massive quantity of data, which not only increases system load, but greatly reduces the follow-up processing efficiency as well. Considering the difficulty of mass point cloud data organization and management, grid index of point cloud data based on the decimal linear quadtree is proposed in this paper, point cloud data is segmented and encoded by means of linear quadtree based on decimal system, which will be stored in SQL Server, then, we can block and index point cloud in terms of Morton code or rectangular region, combine with the advantages of both spatial index and database to manage point cloud efficiently and safely. The results show that the proposed method ideally solves the problem of point cloud data organization and management.
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