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| Name | DXF | CGM |
| Full name | DXF - Drawing Interchange Format | Computer Graphics Metafile |
| File extension | .dxf | .cgm |
| MIME type | image/vnd.dxf | |
| Developed by | Autodesk | Unknown |
| Type of format | CAD | Image |
| Description | AutoCAD DXF (Drawing Interchange Format, or Drawing Exchange Format) is a CAD data file format developed by Autodesk for enabling data interoperability between AutoCAD and other programs. Versions of AutoCAD from Release 10 and up support both ASCII and binary forms of DXF. Earlier versions support only ASCII. | This is a vector image format that was developed for supporting the needs of several imaging programs. It was originally used for clip art libraries, but newer revisions of this format (based on the ISO/IEC 8632 standard) are usually used for CAD drawings. CGM files can use binary, character-based or clear-text encoding methods. |
| Technical details | As AutoCAD 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. 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. | |
| Associated programs | AutoCAD | ACD Systems Canvas 12, Adobe Illustrator, Autodesk AutoCAD, CADSoftTools ABViewer, Corel PaintShop, CorelDRAW, IMSI TurboCAD Deluxe 18, Informative Graphics MYRIAD Desktop, IrfanView |
| Wiki | https://en.wikipedia.org/wiki/AutoCAD_DXF | https://en.wikipedia.org/wiki/Computer_Graphics_Metafile |