DLG数据坐标转换常见问题分析及解决方法  

Analysis and Solution of Common Problems in DLG Data Coordinate Transformation

作　　者：张颜秋 赵辉 范宏涛 耿晓燕 李思卓 ZHANG Yanqiu;ZHAO Hui;FAN Hongtao;GENG Xiaoyan;LI Sizhuo(Geodetic Data Processing Center of Ministry of Natural Resources,Xi′an 710054,China)

机构地区：[1]自然资源部大地测量数据处理中心,陕西西安710054

出　　处：《测绘与空间地理信息》2023年第6期205-207,211,214,共5页Geomatics & Spatial Information Technology

摘　　要：结合实际生产项目中DLG数据坐标转换成果质量检查要求,系统地梳理了质量检查的主要内容和常见图形问题,分析问题产生的原因及对转换成果的影响,并提出了具有针对性的解决方法。实例表明,所提方法有效地解决了坐标转换常见问题,确保了DLG数据坐标转换成果的质量。In this paper,combined with the quality inspection requirements of DLG data coordinate transformation results in actual production project,it systematically sorts out the main content of quality inspection and common graphic problems,analyzes the causes of the problems and the impact on the transformation results,and puts forward targeted solutions.The examples show that the proposed methods effectively solve the common problems of coordinate transformation and ensure the quality of DLG data coordinate transformation results.

关 键 词：DLG数据 坐标转换 质量检查 图形问题 解决方法 

分 类 号：P226.3[天文地球—大地测量学与测量工程]