AutoCAD DWG
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DWG, also commonly known as "drawing", is a file format for CAD drawings. It was originally used by the Interact CAD package [#endnote_Interact], and then taken over by Autodesk for their AutoCAD program. The DWG format, along with its ASCII variant, DXF, has become the de facto standard file format for CAD drawing exchange; it has been estimated that there are over one billion DWG files in existence.
The DWG usually changes about every three years or so as Autodesk adds new features to its flagship program, AutoCAD. Most of the changes have been to store new element types or add compression algorithms to DWG, with the intent being reduced filesize and improved performance. However, many end-users have also noted that the changes to the DWG format cause interoperability concerns. Most new versions of AutoCAD will open many older variants of DWG - AutoCAD 2007 will open versions of DWG back to 2.0. However, the past few releases of AutoCAD will only save back two DWG versions.
Historically, Autodesk has been reluctant to release information about DWG, especially their later additions and extensions. In 1998, an effort was launched to create an alternative standard for DWG, OpenDWG. The OpenDWG format aims to be compatible with DWG, but strictly as an open standard.
Software which supports DWG
CAD programs
- AutoCAD
- Microstation
- IntelliCAD
- ArchiCAD
- PowerCAD
- TurboCAD
- Fastcad
Viewers and converters
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- [DWG] - Official home page from Autodesk®, the manufacturer of AutoCAD®.
- [PythonCAD] is an open source CAD programme which can run on windows and *nix
- [DWG Viewers] - Commercial products with demoware versions, many AutoCAD DWG Viewers to choose from.
- [DWG TrueView] - Freeware from Autodesk®, the actual manufacturer of AutoCAD®, to open DWG and DXF files and export them as DWF for allowing comments.
- [DWGgateway] - Freeware which converts DWG between versions R14 and 2005. Needs AutoCAD to run. Creates PDFs as well
- [CadSoftTools] - Commercial product with demoware version, plugins for Total Commander and IrfanView also available.
- [Bentley View] - Commercial product with read only version, allows some non-drawing meta-data to be edited. Supports 3D DWG. Commercial version does more.
- [Informative Graphics] - [Free DWG Viewer] is freeware to view and measure 2D DWG. [Brava!] is commercial product with demoware to view, compare, measure, markup and save 2D DWG to PDF. [MYRIAD] commercial product with demoware to view 3D/2D DWG.
- [guthrie CAD Viewer] - Commercial product with demoware version. Read only, supports 3D.
- [Active DWG DXF Converter] - Commercial product with demoware version. Batch conversion to DXF. Also runs under Crossover Office 5.0 on Linux
- [DWG to PDF] - Commercial with demoware version. Converts DWG and DXF files to Adobe PDF format.
- [Trix DrawingCenter] - Commercial viewer with demoware version.
- [TracTrix] - Commercial converter with demoware version.
- [DWG to PDF] - Commercial with demoware version. Converts DWG to Adobe PDF
- [AutoCAD DWG to JPG] - Commercial with demoware version. Batch converter, allows conversion of DWG/DXF to a variety of bitmap image formats. Also runs in Linux with Crossover Office 5.0 on Linux.
- [LinkCAD] - Commercial with demoware version. Converts between DWG, DXF, GDSII, CIF, Gerber File (RS-274X), ACIS, PostScript, EPS, JPEG, PNG, Bitmap. Runs on Microsoft Windows; older versions also run on Linux and Solaris.
- [AutoCAD2JPEG] - Free Online DWG to JPEG Conversion
Notes
- ↑ [OpenDWG FAQ], as of 3 Jan 2005
See also
| AutoCAD related articles |
| AutoCAD | AutoCAD DXF | AutoLISP | DWG |
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