Research on Three-Dimensional Electronic Navigation Chart Hybrid Spatial Index Structure Based on Quadtree and R-Tree

Yunong ZhangAnmin ZhangMiao GaoYi Liang2025-05-142025-05-14https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/24446550Research on Three-Dimensional Electronic Navigation Chart Hybrid Spatial Index Structure Based on Quadtree and R-Treesupplierxml