V2EX voronoi diagram

Voronoi Diagram

定义 Definition

Voronoi diagram(沃罗诺伊图/维诺图):一种把平面(或更高维空间)按“离某个给定点最近”来划分区域的几何结构。每个区域对应一个“生成点(site)”,区域内任一点到该生成点的距离不大于到其他生成点的距离。(在计算几何、GIS、机器人路径规划、材料科学等领域常用)

发音 Pronunciation

/ vrn darm /

例句 Examples

A Voronoi diagram divides the map into nearest-service areas.
Voronoi 图把地图划分为离各服务点最近的服务区域。

Using a Voronoi diagram, the algorithm assigns each sensor reading to the closest station, improving the accuracy of the spatial analysis.
通过 Voronoi 图,该算法把每条传感器数据分配给最近的站点,从而提高空间分析的准确性。

词源 Etymology

Voronoi 来自俄国数学家 Georgy Voronoy(格奥尔基沃罗诺伊) 的姓氏;这种划分思想在几何与数论中被系统研究并以其命名。diagram 源自希腊语 diagramma,意为“图示、示意图”。因此 Voronoi diagram 字面可理解为“沃罗诺伊提出/相关的划分图”。

关词 Related Words

文学与经典著作 Literary Works

  • Computational Geometry: Algorithms and Applications(Mark de Berg 等):以 Voronoi diagram 作为计算几何的核心结构之一进行系统讲解。
  • Discrete and Computational Geometry(Satyan L. Devadoss & Joseph O’Rourke 等相关教材/论著):在离散几何与算法章节中频繁出现 Voronoi diagram。
  • Spatial Tessellations: Concepts and Applications of Voronoi Diagrams(A. Okabe, B. Boots, K. Sugihara, S. N. Chiu):专门围绕 Voronoi diagram 的概念与应用展开。
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