何如使用Delphi读取DXF文件?
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www.opendwg.org
www.opendwg.org/downloads/guest.html#dwgspec
VoloView Express is an ActiveX control that can be used in Delphi to view DXF, DWG, and DWF files. http://www3.autodesk.com/adsk/section/0,,163255-123112,00.html
OpenDWG is a consortium of companies that work together to reverse engineer the DWG file format, and provide libraries, code, and specifications for the DXF and DWG file formats. www.opendwg.org
Descendant of TGraphic, TDxf for loading and viewing .DXF files exported from AutoCAD. dxfgrph.zip contributed by Colin Sarsfield AutoCAD DXF file reader/writer/viewer. Supports most of the common DXF entities. POINT, LINE, INSERT(ATTRIB), TEXT, 3DFACE, CIRCLE, ARC, POLYLINE(+mesh varieties), SOLID, ATTDEF. BLOCKs supported and 3D transformations implemented.
http://delphi.icm.edu.pl/ftp/d20free/dxf_3_0.zip Signsoft VisIt imports DXF files
www.signsoft.com/international/visit/index.html CADSys4: http://members.tripod.it/vpiero/cadsys40.htm DXF Specification: www.autodesk.com/techpubs/autocad/acad2000/dxf VoloView Express is an ActiveX control that can be used in Delphi to view DXF, DWG, and DWF files. http://www3.autodesk.com/adsk/section/0,,163255-123112,00.html OpenDWG is a consortium of companies that work together to reverse engineer the DWG file format, and provide libraries, code, and specifications for the DXF and DWG file formats. www.opendwg.org