摘要
介绍了AutoCAD 2 0 0 0的图形 ( .DWG)数据格式 ,给出了作为工业标准的图形文件的组织结构 ,对组成DWG文件的头部、实体部、表部、块实体部和应急头部等 5部分进行了说明 ,并陈述了利用C + +读取DWG文件的数据结构和实现方法。
The format and organization of AutoCAD2000 graphics file (*.DWG file) are introduced. DWG file consists of five parts: header,entities, tables, block entities and contingency header. The Data structures and implementing methods of reading and writing DWG file in C language are also given.