摘要
基于AutoCAD选择集,提出了一种非人机交互式的自动选择集对目标数据进行搜索、过滤的新方法,通过对AutoCAD选择集的VBA编程构建,以及图元几何关系判断、分区筛选等算法,实现了对DWG数据中文字注记、二维图形的高效搜素、过滤、提取、计算等操作。利用该方法对四川省农村不动产测绘项目中大批量户产权信息的自动化比对分析,验证了该方法的可行性与正确性。
Based on AutoCAD selection sets,we proposed a new method for using non-human-computer interactive automatic selection sets to search and filter target data.This method used VBA programming to establish AutoCAD selection sets,and used the algorithm of graph element geometry relation judgment and partition screening to realize the high efficiency search,filtering,extraction,calculation and other operations on text annotation and 2D graphics in DWG data.We used this method to compare the large scale household property information in the rural real estate surveying and mapping project of Sichuan Province,which could verify the feasibility and correctness of this method.
出处
《地理空间信息》
2021年第2期96-99,I0007,共5页
Geospatial Information
基金
测绘地理信息公益性行业科研专项基金资助项目(201512018)。
