The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
Author mclasenPosted on February 25, 2026February 25, 2026Categories Uncategorized，详情可参考夫子
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