基于CAD的数字地形图坐标转换系统的开发  

作　　者：范福平 

机构地区：[1]中铁六局集团有限公司,北京100026

出　　处：《科学技术创新》2020年第15期66-67,共2页Scientific and Technological Innovation

摘　　要：为了实现CAD下数字地形图的坐标转换,采用四参数数学模型、AutoCAD ActiveX技术和VBA为开发工具,根据新旧坐标同名点坐标计算的转换参数,在CAD下开发实现了坐标变换系统。该系统能够有快速实现CAD下数字地形图的平面坐标转换,提高了工作效率。In order to realize the coordinate transformation of digital topographic maps under CAD, a four-parameter mathematical model, AutoCAD ActiveX technology and VBA are used as development tools, and coordinate transformation systems are developed and implemented under CAD based on the conversion parameters calculated from new and old coordinates with the same name point coordinates. This system can quickly realize the plane coordinate conversion of digital topographic map under CAD, which improves the work efficiency.

关 键 词：坐标转换 VBA AutoCAD ActiveX Automation 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论] P284[自动化与计算机技术—计算机科学与技术]