Abstract
With the improvement of the advanced manufacturing system integration requirement, obtaining graphic data from DXF file provided by AutoCAD software becomes more necessary. DXF (diagram interchange file) is an open vector data format, which is easy to read and analysis, and it has always been the general CAD/CAM researchers' study object. However, as the strengthen of AutoCAD function, DXF file has taken place great change on its form and content. Early versions of DXF file conversion tools can no longer be suitable for the new version of DXF file conversion. Therefore, the research and development of universal interface module is needed. The main research object of this paper is DXF and the main content is the design of the preparatory phase of the NC (Numerical Control) machine tool. This research aims to use UML (Uniform Markup Language) modeling technology to describe and analyze DXF general components, and implement it through OpenGL (Open Graphics Library) code. Eventually the primitive information stored in DXF file can be presented in the form of graphical display, and the preview function of DXF data could be realized.
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