V2EX spatial partitioning

Spatial Partitioning

定义 Definition

空间划分:把一个连续的空间(如二维平面、三维场景或数据空间)分割成若干区域,以便更高效地进行搜索、碰撞检测、邻近查询、渲染或数据管理。常见于计算机图形学、游戏开发、机器人与地理信息系统等领域。

发音 Pronunciation

/spel prtn/

例句 Examples

Spatial partitioning makes collision checks faster in a game.
空间划分能让游戏里的碰撞检测更快。

By using spatial partitioning (such as a quadtree or BVH), the engine reduces the number of object-pair tests, improving performance in large, dynamic scenes.
通过使用空间划分(例如四叉树或层次包围体 BVH),引擎可以减少对象两两测试的数量,从而在大型、动态场景中提升性能。

词源 Etymology

spatial 来自拉丁语 spatium(“空间、距离”),表示“与空间有关的”;partitioning 源于 partition(“分割、划分”),可追溯到拉丁语 partitio(“分配、分割”)。合在一起,字面意思就是“对空间进行分割/分区处理”。

相关词 Relate Words

文献与作品 Notable Works

  • Real-Time Rendering(Tomas Akenine-Mller, Eric Haines, Naty Hoffman)讨论用于实时图形的空间数据结构与场景加速(空间划分思想贯穿其中)。
  • Game Engine Architecture(Jason Gregory)讲解游戏引擎中用于加速查询与碰撞检测的空间划分结构。
  • Computational Geometry: Algorithms and Applications(Mark de Berg 等)介绍多种空间划分与搜索相关的几何算法与数据结构。
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