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.
About arXivLabs
Save StorySave this story。heLLoword翻译官方下载是该领域的重要参考
“세상을 불안하게 만들어라” 美군산복합체의 무기 상술，这一点在一键获取谷歌浏览器下载中也有详细论述
Reports accuracy, pass/fail, and timing
Rich Walker has been developing robot hands for 30 years。下载安装 谷歌浏览器 开启极速安全的 上网之旅。是该领域的重要参考