- DWG stands for DraWinG, it is the proprietary file format of AutoCAD that contains all the geometrical and metadata. Due to AutoCAD’s importance in the engineering community, the format is also supported by virtually any third party CAD program.
- STEP file format, on the other hand, is good for 3D solid models. STEP file format is capable of handling geometric as well as non-geometric data. STEP is relatively somewhat more useful for PDM/PPM. Exchanging 2D CAD drawings using STEP file format is still not supported by most of the CAD vendors.
What is the file formats AutoCAD can import. Solution: The following formats are available for import into AutoCAD. Jan 11, 2018 The first step is to open your AutoCAD system and select a drawing you saved on it. Click on the File Tab After selecting a document, click on the. I think the usual convention with AutoCAD is the file format will remain the same for at least three versions. (2000,2004,2007,2010,2013,2018 etc.) In fact with the 2018 file format change we were overdue. So I wouldn't expect a file change until AutoCAD 2021 or later. This is of course just my.
Filename extension | .dxf |
---|---|
Internet media type | image/vnd.dxf |
Developed by | Autodesk |
Initial release | December 1982; 36 years ago |
Latest release | |
Type of format | CAD data exchange |
AutoCAD DXF (Drawing Interchange Format, or Drawing Exchange Format) is a CAD data file format developed by Autodesk[2] for enabling data interoperability between AutoCAD and other programs.
DXF was originally introduced in December 1982 as part of AutoCAD 1.0, and was intended to provide an exact representation of the data in the AutoCAD native file format, DWG (Drawing), for which Autodesk for many years did not publish specifications. Because of this, correct imports of DXF files have been difficult. Autodesk now publishes the DXF specifications as a PDF[1] on its website.
Versions of AutoCAD from Release 10 (October 1988) and up support both ASCII and binary forms of DXF. Earlier versions support only ASCII.
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. Other object types, including AutoCAD 2006's dynamic blocks, and all of the objects specific to the vertical market versions of AutoCAD, 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.
Idm silent download. Built-in dialer for scheduled connection. It helps the resume and download on a timetable. Help for firewalls, proxies and mirrors, FTP and HTTP protocols, redirects, cookies, download queues, person authorization. Various techniques of loading acceleration, dynamic segmentation of files and simultaneous download of numerous parts, the use of unfastened open connections without reconnecting and lots greater.
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. Free hamsterball game.
File structure[edit]
ASCII versions of DXF can be read with any text editor. The basic organization of a DXF file is as follows:[3]
- HEADER section – General information about the drawing. Each parameter has a variable name and an associated value.
- CLASSES section – Holds the information for application-defined classes whose instances appear in the BLOCKS, ENTITIES, and OBJECTS sections of the database. Generally does not provide sufficient information to allow interoperability with other programs.
- TABLES section – This section contains definitions of named items.
- Application ID (APPID) table
- Block Record (BLOCK_RECORD) table
- Dimension Style (DIMSTYLE) table
- Layer (LAYER) table
- Linetype (LTYPE) table
- Text style (STYLE) table
- User Coordinate System (UCS) table
- View (VIEW) table
- Viewport configuration (VPORT) table
- BLOCKS section – This section contains Block Definition entities describing the entities comprising each Block in the drawing.
- ENTITIES section – This section contains the drawing entities, including any Block References.
- OBJECTS section – Contains the data that apply to nongraphical objects, used by AutoLISP and ObjectARX applications.
- THUMBNAILIMAGE section – Contains the preview image for the DXF file.
- 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.'[4]
See also[edit]
- .dwg (DWG)
- Design Web Format (DWF)
- QCad, an open source CAD application that uses the DXF file format internally and to save and import files
- LibreCAD, a version of QCAD Community Edition ported to Qt4
- Open Design Alliance (originally called OpenDWG)
- ShareCAD, a free online CAD viewer that supports DXF, among other formats
References[edit]
- ^ abDXF specifications(PDF)
- ^FAQS.org
- ^DXF File Structure
- ^'Chapter 1 -- DXF Format' Autodesk.com
External links[edit]
- DXF Reference from Autodesk Developer Network. Menu of documentation for chronological versions of DXF back to 1994.
- AutoCAD DXF Reference (from Release 14, 1998) (PDF version from 2012)
- AutoCAD DXF File Format Summary.
- Paul Bourke (March 1990). 'Minimum Requirements for Creating a DXF File of a 3D Model'.
- AutoDesk Online DXF File Viewer.
Retrieved from 'https://en.wikipedia.org/w/index.php?title=AutoCAD_DXF&oldid=885431671'
Issue:
What are the file formats AutoCAD can import?Solution:
The following formats are available for import into AutoCAD.Format | Description | Related command | AutoCAD LT? | AutoCAD for Mac? |
3D Studio (*.3ds) | 3D Studio files. | 3DSIN | No | No |
ACIS (*.sat) | ACIS solid object files. | ACISIN | No | Yes |
Autodesk Inventor (*.ipt), (*.iam) | Autodesk Inventor part and assembly files | IMPORT | No | No |
Note: Supported only on 64 -bit systems. | ||||
CATIA V4 (*.model; *.session; *.exp; *.dlv3) | CATIA® V4 model, session and export files. | IMPORT | No | No |
CATIA V5 (*.CATPart; *.CATProduct) | CATIA® V5 part and assembly files. | IMPORT | No | No |
DGN (*.dgn), including DGN files with user-specified file extensions such as.sed for seed files | MicroStation DGN files. | DGNIMPORT | Yes | No |
DXB (*.dxb) | Drawing Interchange Binary | DXBIN | No | Yes |
FBX (*.fbx) | Autodesk®FBX files. | FBXIMPORT | No | No |
IGES (*.iges; *.igs) | IGES files. | IGESIMPORT | No | No |
JT (*.ij) | JT files. | IMPORT | No | No |
Parasolid (*.x_b) | Parasolid binary files. | IMPORT | No | No |
Parasolid (*.x_t) | Parasolid text files. | IMPORT | No | No |
PDF (*.pdf) | Portable Document Format files. | PDFIMPORT | Yes | Yes |
Pro/ENGINEER (*.prt*; *.asm*) | Pro/ENGINEER® part and assembly files | IMPORT | No | No |
Pro/ENGINEER Granite (*.g) | Granite files generated by Pro/ENGINEER. | IMPORT | No | No |
Pro/ENGINEER Neutral (*.neu) | Granite neutral files generated by Pro/ENGINEER . | IMPORT | No | No |
Rhino (*.3dm) | Rhinoceros® model files. | IMPORT | No | No |
SolidWorks (*.prt; *.sldprt; *.asm; *.sldasm) | SolidWorks® part and assembly files. | IMPORT | No | No |
Metafile (*.wmf) | Microsoft Windows ® Metafiles. | WMFIN | Yes | No |
STEP (*.ste; *.stp; *.step): | STEP files. | IMPORT | No | No |