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中文摘要：
铁路电子地图是铁路信息化的重要组成部分,可为铁路的应急指挥、运营管理、设备维护提供地理信息,能够提高铁路各系统的科学决策水平。制图综合技术是实现铁路专题电子地图的主要技术手段。铁路地理要素以点状分布概括,分布呈现站场密集、沿线分散的特点;因此提出四种制图综合方法,以实现不同情况下的制图综合。铁路节点制图综合方法可通过对铁路节点的取舍,准确地反映铁路各地理要素的空间关系,形成科学合理的电子地图显示。经实验验证,所采用方法满足制图要求,有较好的实用价值。
英文摘要：
Railway electronic map is an important part of railway informatization,which provides the geographic information for the railway emergency command,operation management or equipment maintenance,and improves the level of railway scientific decision in each system. Cartographic generalization technology is the main technical means to realize railway thematic maps,railway geographic elements is dotted distribution,distributes as the characteristics of station dense,railways decentralized,thus puts forward four kinds of cartographic generalization method,in order to realize the different situations of cartographic generalization. Railway node cartographic generalization makes a choice through the railway node,an accurate reflection of spatial relationship of railway geographic elements,forming scientific and reasonable electronic map display,it has been verified by experiment that satisfies the requirement of drawing,have good practical value.
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