基于AutoCADR14的图形信息提取方法

The Research of Information Extracting Methods \ Based on AutoCADR14

在分析了 Auto CAD图形数据库的结构和图形数据的存储格式的基础上 ,指出了图形实体几何信息和非图形几何信息的提取方法 。

On the bases of analyzing the structure of AutoCAD drawing databases and the saving format of drawing datum, the paper presents the extracting methods of geometrical information and non-geometrical information in a drawing, gives the structural frame drawing of drawing information extracting system and a concrete instance.