改进的加权Voronoi图ArcGIS矢量生成算法An improved vector generation algorithm of multiplicatively weighted Voronoi diagrams with ArcGIS
田松,崔希民,孙云华,宫宇
摘要(Abstract):
加权Voronoi图是根据生成元权重划分空间的方法,广泛应用于地学领域。针对传统加权Voronoi图ArcGIS矢量生成算法不能处理重叠点、复杂多边形及更新操作等问题,该文提出了一种改进算法,结合C#和ArcEngine,利用增量法思想,通过重叠点处理、区域分割合并、加权区域重分类、加权区域重划分等方法实现,可嵌入ArcGIS应用软件使用或独立运行,具有良好的可用性,精度高,便于数据库存储管理,扩展了加权Voronoi图在地学领域的应用。
关键词(KeyWords): Voronoi图;加权Voronoi图;增量法;区域分割合并;ArcGIS
基金项目(Foundation): 国家自然科学基金项目(71150001)
作者(Author): 田松,崔希民,孙云华,宫宇
DOI: 10.16251/j.cnki.1009-2307.2015.08.017
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