原文:[LeetCode] Construct Quad Tree 建立四叉树

We want to use quad trees to store anN x Nboolean grid. Each cell in the grid can only be true or false. The root node represents the whole grid. For each node, it will be subdivided into four childr ...

2018-09-14 22:46 0 3496 推荐指数:

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leetcode 427. Construct Quad Tree

We want to use quad trees to store an N x N boolean grid. Each cell in the grid can only be true or false. The root node represents the whole ...

Tue Jul 24 06:57:00 CST 2018 0 863
四叉树

前序 四叉树或四元树也被称为Q树(Q-Tree)。四叉树广泛应用于图像处理、空间数据索引、2D中的快速碰撞检测、存储稀疏数据等,而八叉树(Octree)主要应用于3D图形处理。对游戏编程,这会很有用。本文着重于对四叉树与八叉树的原理与结构的介绍,帮助您在脑海中建立四叉树与八叉树的基本思想。本文 ...

Thu May 30 19:53:00 CST 2019 0 832
 
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