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-  2018 

顾及路网结构保持的城镇居民地自动综合
A Method for Automatic Generalization of Urban Settlements Considering Road Network

DOI: 10.13203/j.whugis20160094

Keywords: 道路选取,网眼密度,Stroke,多边形化简,制图综合,
road selection
,road mesh density,Stoke,polygon simplification,cartographic generalization

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Abstract:

以往居民地自动综合的研究多集中于建筑物的多边形化简,较少考虑到其与街区、道路网的联系。提出了顾及路网结构保持的城镇居民地自动综合模型,此模型包含道路选取和街区内部结构概括两方面。前者基于网眼密度并结合路划功能选取道路数据,用于街区合并;后者则主要涉及建筑物多边形化简,通过改进矩形差分组合方法,在原有面积阈值的基础上添加距离阈值,并提供新的分层化简思路。以1:1万地图数据到1:5万比例尺的自动综合实验验证了本文算法的可行性和有效性

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