一种基于空间染色细胞搜索一融合生成Voronoi图的统一框架

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中图分类号:TP391;P91 文献标识码:A

文章编号:1006-8228(2025)10-11-07

AUnified Framework for Generating Voronoi Diagrams Based on Search-and-Merge of Spatial Chromatic Cells

Zhuge Yan1,Liu Jing',ZhuWeining²

(1.ZhejiangTechnical InstituteofEconomics,Hangzhou,Zhejiang31o9,China;2.ZhejiangUniversity)

Abstract:AsatypeofspatialteselltionmodelVoronoidiagam(V)iswidelyusedinmanynaturalandsocialfeldssuchas computersciene,geogaphcoomicsologyandphsicsanditisalsonimportantspatialstructuralobjectforcoutatioal geometryresearch.Whengenerationspacestypesofspatialentities,distancemetricsandrelationshipsbetweeentitiesandVoronoi spacesdiffr,Voronoidiagrams(VDs)exhibitvarioustypes,suchastheordinaryVD,VDinspheres,VDforlinearentities, weightedVD,orderedhigher-orderVD,andtheseVDsalsohavetheirownmultipleconstructionalgorithms.Inthispaper,we proposeanewSearch-and-Merge (&M)Voronoiconstructionalgorithmwhichisbasedonaspatialchromaticmodel.The advantageoftheS&MalgorithmisthatitcanquicklyconstructdiverseVDsunderauniformframeworkandviasearching databases,withoutdesigningaspecificalgorithmforeachVD.Thedatabase-basedS&MVoronoialgorithmcanbeparticularly apliedinthecaseswhereavarietyofVoronoidiagramsarerequestedfrequentlyforcomputationandanalysis,suchasthe location-basedspatialanalysis.Inadion,theproposedS&Mmethodcangeneratesomenewspatialteselltionswhichare different from the VDs in terms of features.

Keywords:Voronoi Diagram; Spatial Chromatic Model; Spatial Tesselation; Computational Geometry

0引言

Voronoi图(Voronoidiagram,以下简称VD或V图)是一种空间镶嵌或剖分模型-21,早期法国数学家Descartes、德国数学家Dirichlet及乌克兰数学家Voronoi(V图因此得名)均对该模型开展过理论构建与应用研究。(剩余9451字)

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