AutoCAD是大家常用的制图软件，其交换格式Dxf收到广泛支持和传播，本文件就是读取Dxf文件的源码-AutoCAD is a commonly used mapping software, its exchange format dxf received broad support and dissemination of this document is to read the source dxf file

dxflib is an open source C++ library mainly for parsing DXFTM files. QCAD, CAM Expert and vec2web all use dxflib to import DXF files. dxflib can also write DXF files, but you need to have good knowledge of the DXF format to produce valid output.