Фото: AjayTvm / Shutterstock / Fotodom
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.，推荐阅读搜狗输入法下载获取更多信息
Жители Санкт-Петербурга устроили «крысогон»17:52。快连下载安装是该领域的重要参考
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