等高线数据质量自动检查方法研究  

Study on automatic algorithms for contour data quality inspection

作　　者：吴芳华[1,2] 张羿祺 黄利民 王磊[4] WU Fanghua;ZHANG Yiqi;HUANG Limin;WANG Lei(Xi’an Research Institute of Surveying and Mapping,Xi'an 710054,China;State Key Laboratory of Geo-Information Engineering,Xi'an 710054,China;School of Resource and Environmental Sciences,W uhan University,Wuhan 430072,China;Xi’an Aerospace Remote Sensing Data Technology Co.,Ltd.,Xi’an 710061,China)

机构地区：[1]西安测绘研究所,陕西西安710054 [2]地理信息工程国家重点实验室,陕西西安710054 [3]武汉大学资源与环境科学学院,湖北武汉430072 [4]西安航天天绘数据技术有限公司,陕西西安71006

出　　处：《测绘科学与工程》2020年第3期33-37,62,共6页Geomatics Science and Engineering

基　　金：国家973计划资助项目(613317)。

摘　　要：等高线数据是基础地理信息的重要组成部分,其质量关系到基础地理信息应用的准确性和可靠性。本文从等高线的特点出发,分析归纳了等高线数据缺陷的主要表现形式,对其中几个常见的数据质量问题进行了详细分析,研究了相关的自动检查算法,算法已应用在矢量地图数据质量检查软件MapCheck中,经过大规模生产实际应用验证,本文研究的等高线自动检查算法查得准、效率高、无误报,大大减轻了作业员的劳动强度,提高了等高线数据的质量。Contour data is an important part of basic geographic information.The quality of contour data is related to the reliability and accuracy of data application.Based on the characteristics of contour data,the shortcomings of contour data are analyzed and summarized in this paper,and some common problems of the data quality are analyzed in detail.Relative automatic algorithms which have been applied to the vector map data quality check software MapCheck are studied.The actual application in large-scale production has verified that the contour line automatic inspection algorithms studied in this paper are accurate,and ef ficient false alarms,which will greatly reduce the labor intensity of the operator and improve the quality of contour line data.

关 键 词：基础地理信息 等高线 空间关系缺陷 属性缺陷 逻辑关系缺陷 几何缺陷 

分 类 号：P208[天文地球—地图制图学与地理信息工程]