基于Visual Lisp的DLG位置精度自动检测方法
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摘要
DLG是测绘数据的核心产品,地理空间框架数据的核心组成部分,其成果精度决定了工程的质量,以往成果精度检测主要以手动检测为主,效率低、精度差。本文基于Visual Lisp语言开发了DLG位置精度自动检测程序,通过制作检测点和原始坐标点之间点对,自动生成检测记录报告,这种方法基本避免了检测过程中的人为误差,极大地提高了工作效率,改进了现有的数据生产方法。
DLG is the core product of mapping data and core component of geospatial framework data. Its accuracy determines the quality of the project. Manual accuracy detection method is mainly used before,it is inefficient and with poor accuracy. In this paper,a new DLG position accuracy detection program has been developed based on Visual Lisp language by making point pairs of the detection point and the original point so as to output the inspection records report automatically. This new method greatly improves the working efficiency.
DLG is the core product of mapping data and core component of geospatial framework data. Its accuracy determines the quality of the project. Manual accuracy detection method is mainly used before,it is inefficient and with poor accuracy. In this paper,a new DLG position accuracy detection program has been developed based on Visual Lisp language by making point pairs of the detection point and the original point so as to output the inspection records report automatically. This new method greatly improves the working efficiency.
引文
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[2]胡友明.Auto CAD VBA在数字地形图精度检测统计中的应用[J].城市勘测,2009,(4):123~125.Hu Youming.Application of Auto CAD VBA in detecting digital topographic mapping accuracy[J].Urban Geotechnical Investigation&Surveying,2009,(4):123~125.(in Chinese)
[3]吴新广,苟胜国.Auto Lisp实现地形图高程自动检查[C].贵州省岩土力学与工程学会2014年学术交流会论文集,2014:273~290.Wu Xinguang,Gou Shengguo.Auto Lisp achieve elevation topographic map automatic check[C].Geomechanics and Engineering Society of Guizhou 2014 Conference,2014:273~290.(in Chinese)
[4]王小华等.基于Auto CAD.NET API的地形图坐标转换实现方法研究[J].测绘与空间地理信息,2013,(11):58~61.Wang Xiaohua et al.Research on map coordinate transformation realization method based on Auto CAD.NET API[J].Geomatics&Spatial Information Technology,2013,(11):58~61.(in Chinese)
[5]中华人民共和国国家标准.测绘成果质量检查与验收(GB/T 24356-2009)[S].北京:中国标准出版社,2009.The State Standards of the People’s Repbulic of China.Specifications for quality inspection and acceptance of surveying and mapping products(GB/T 24356-2009)[S].Beijing:China Standards Press,2009.(in Chinese)
[6]蔡建德,张福利.数字地形图精度自动检查统计系统的开发和应用[J].测绘通报,2008,(6):41~43.Cai Jiande,Zhang Fuli.Development and application of automatic check and statistics system for accuracy of digital topographic maps[J].Bulletin of Surveying and Mapping,2008,(6):41~43.(in Chinese)
[7]刘斌等.Auto CAD中高程注记位置自动识别展点的一种改进方法[C].《测绘通报》测绘科学前沿技术论坛论文集,2008:1~3.Liu Bin.An improved mehtod of Auto CAD elevation note the location of automatic identification exhibition point[C].Bulletin of Surveying and Mapping,2008:1~3.(in Chinese)