AutoCAD DXF: Difference between revisions
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| released = {{start date and age|1982|12}} | | released = {{start date and age|1982|12}} | ||
| latest release version = u19.1.01. | | latest release version = u19.1.01. | ||
| latest release date = {{start date and age|2007|01}}<ref>{{cite web |title=DXF specifications |url= | | latest release date = {{start date and age|2007|01}}<ref>{{cite web |title=DXF specifications |url=https://images.autodesk.com/adsk/files/autocad_2012_pdf_dxf-reference_enu.pdf}}</ref> | ||
| genre = [[CAD data exchange]] | | genre = [[CAD data exchange]] | ||
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== File structure == | == File structure == | ||
ASCII versions of DXF can be read with any [[text editor]]. The basic organization of a DXF file is as follows:<ref>{{cite web |url =http://www.autodesk.com/techpubs/autocad/acadr14/dxf/dxf_file_structure_al_u05_b.htm |title=DXF File Structure}}</ref> | ASCII versions of DXF can be read with any [[text editor]]. The basic organization of a DXF file is as follows:<ref>{{cite web |url =http://www.autodesk.com/techpubs/autocad/acadr14/dxf/dxf_file_structure_al_u05_b.htm |title =DXF File Structure |access-date =2015-11-04 |archive-date =2016-12-15 |archive-url =https://web.archive.org/web/20161215151334/http://www.autodesk.com/techpubs/autocad/acadr14/dxf/dxf_file_structure_al_u05_b.htm |url-status =dead }}</ref> | ||
; {{code|HEADER}} section: General information about the drawing. Each parameter has a variable name and an associated value. | ; {{code|HEADER}} section: General information about the drawing. Each parameter has a variable name and an associated value. | ||
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; {{Code|END OF FILE}} | ; {{Code|END OF FILE}} | ||
The data format of a DXF is called a "tagged data" format, which "means that each data element in the file is preceded by an integer number that is called a group code. 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."<ref>"Chapter 1 -- DXF Format" [http://www.autodesk.com/techpubs/autocad/acad2000/dxf/dxf_format.htm Autodesk.com]</ref> | The data format of a DXF is called a "tagged data" format, which "means that each data element in the file is preceded by an integer number that is called a group code. 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."<ref>"Chapter 1 -- DXF Format" [http://www.autodesk.com/techpubs/autocad/acad2000/dxf/dxf_format.htm Autodesk.com] {{Webarchive|url=https://web.archive.org/web/20161125092631/http://www.autodesk.com/techpubs/autocad/acad2000/dxf/dxf_format.htm |date=2016-11-25 }}</ref> | ||
== Criticism == | == Criticism == | ||
Because comprehensive documentation does not exist,<ref name=":0"/> consideration is often given to alternative [[open file format]]s such as Scalable Vector Graphics ([[SVG]], defined by the [[World Wide Web Consortium]] (W3C)), [[Design Web Format]] (DWF, defined by Autodesk<ref>{{cite web |title=DWF files |url=https://www.adobe.com/creativecloud/file-types/image/raster/dwf-file.html |website=adobe.com |publisher=Adobe 2023 |access-date=27 October 2023}}</ref>), or even [[Encapsulated PostScript]] (EPS, [[International Organization for Standardization]] (ISO) and [[International Electrotechnical Commission]] (IEC) standard 29112:2018). DXF (and [[DWG]]) is still a preferred format for CAD files for use by the ISO.<ref>{{cite web |title=ISO Central Secretariat requirements - FAQ for graphics (formats and files) |url=https://www.iso.org/files/live/sites/isoorg/files/archive/pdf/en/grph_faq.pdf |website=iso.org |publisher=ISO 2002 |access-date=27 October 2023}}</ref> | Because comprehensive documentation does not exist,<ref name=":0"/> consideration is often given to alternative [[open file format]]s such as Scalable Vector Graphics ([[SVG]], defined by the [[World Wide Web Consortium]] (W3C)), [[Design Web Format]] (DWF, defined by Autodesk<ref>{{cite web |title=DWF files |url=https://www.adobe.com/creativecloud/file-types/image/raster/dwf-file.html |website=adobe.com |publisher=Adobe 2023 |access-date=27 October 2023}}</ref>), or even [[Encapsulated PostScript]] (EPS, [[International Organization for Standardization]] (ISO) and [[International Electrotechnical Commission]] (IEC) standard 29112:2018). DXF (and [[DWG]]) is still a preferred format for CAD files for use by the ISO.<ref>{{cite web |title=ISO Central Secretariat requirements - FAQ for graphics (formats and files) |url=https://www.iso.org/files/live/sites/isoorg/files/archive/pdf/en/grph_faq.pdf |website=iso.org |publisher=ISO 2002 |access-date=27 October 2023 |archive-date=27 October 2023 |archive-url=https://web.archive.org/web/20231027085751/https://www.iso.org/files/live/sites/isoorg/files/archive/pdf/en/grph_faq.pdf |url-status=dead }}</ref> | ||
== References == | == References == | ||
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== External links == | == External links == | ||
{{Commons category|DXF file format}} | {{Commons category|DXF file format}} | ||
* [http://www.autodesk.com/techpubs/autocad/acadr14/dxf/ AutoCAD DXF Reference (from Release 14, 1998)] ([ | * [http://www.autodesk.com/techpubs/autocad/acadr14/dxf/ AutoCAD DXF Reference (from Release 14, 1998)] ([https://images.autodesk.com/adsk/files/autocad_2012_pdf_dxf-reference_enu.pdf PDF version from 2012]) | ||
* [https://www.fileformat.info/format/dxf/egff.htm AutoCAD DXF File Format Summary]. | * [https://www.fileformat.info/format/dxf/egff.htm AutoCAD DXF File Format Summary]. | ||
* [http://www.autodesk.com/techpubs/autocad/acadr14/dxf/symbol_table_example_al_u05_b.htm Annotated example DXF file] {{Webarchive |url=https://web.archive.org/web/20170106191202/http://www.autodesk.com/techpubs/autocad/acadr14/dxf/symbol_table_example_al_u05_b.htm |date=January 6, 2017}} | * [http://www.autodesk.com/techpubs/autocad/acadr14/dxf/symbol_table_example_al_u05_b.htm Annotated example DXF file] {{Webarchive |url=https://web.archive.org/web/20170106191202/http://www.autodesk.com/techpubs/autocad/acadr14/dxf/symbol_table_example_al_u05_b.htm |date=January 6, 2017}} | ||