Auto. CAD DXF - Wikipedia, the free encyclopedia. Auto. CAD DXF (Drawing Interchange Format, or Drawing Exchange Format) is a CAD data file format developed by Autodesk. Because of this, correct imports of DXF files have been difficult. Autodesk now publishes the DXF specifications as a PDF. Earlier versions support only ASCII. As Auto. CAD has become more powerful, supporting more complex object types, DXF has become less useful. Certain object types, including ACIS solids and regions, are not documented. Other object types, including Auto. CAD 2. 00. 6's dynamic blocks, and all of the objects specific to the vertical market versions of Auto. CAD, are partially documented, but not well enough to allow other developers to support them. For these reasons many CAD applications use the DWG format which can be licensed from Autodesk or non- natively from the Open Design Alliance. DXF coordinates are always without dimensions so that the reader or user needs to know the drawing unit or has to extract it from the textual comments in the sheets. File structure. The basic organization of a DXF file is as follows. Each parameter has a variable name and an associated value. CLASSES section . Generally does not provide sufficient information to allow interoperability with other programs. TABLES section . A group code's value indicates what type of data element follows. This value also indicates the meaning of a data element for a given object (or record) type.
Virtually all user- specified information in a drawing file can be represented in DXF format. AutoCAD Release History AutoCAD 1.0 December 1982 (Release 1) AutoCAD 1.2 (2) April 1983 (Release 2) AutoCAD 1.3 (3) August 1983 (Release 3) AutoCAD 1.4 (4) October 1983 (Release 4) AutoCAD 2.0 (5) October 1984 (Release 5. AutoCAD DXF (Drawing Interchange Format, or Drawing Exchange. DXF was originally introduced in December 1982 as part of AutoCAD 1.0. DXF Export for Acrobat is an AutoCAD DXF file export plug-in for Acrobat. DXF was originally introduced in December 1982 as part of AutoCAD 1.0. 1.0: Category; Category: Graphic Design Software.
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