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AutoCAD
 What is AutoCAD ?

AutoCAD is a suite of CAD software products for 2- and 3-dimensional design and drafting, developed and sold by Autodesk, Inc..

Modern AutoCAD includes a full set of basic solid modeling and 3D tools, but lacks some of the more advanced capabilities of solid modelling applications. AutoCAD can co-exist with such products as a 2D drafting tool. AutoCAD is a vector graphics drawing program. It uses primitive entities — such as lines, polylines, circles, arcs, and text — as the foundation for more complex objects.

AutoCAD supports a number of application programming interfaces (APIs) for customization and automation. These include AutoLISP, Visual LISP, VBA, .NET and ObjectARX. ObjectARX is a C++ class library, which was also the base for products extending AutoCAD functionality to specific fields, to create products such as Autodesk Architectural Desktop, AutoCAD Electrical, or third-party AutoCAD-based applications.

AutoCAD's native file format, DWG, and to a lesser extent, its interchange file format, DXF, have become de facto standards for interchange of 2D CAD data. In 2006, Autodesk estimated the number of active DWG files to be in excess of one billion. In the past, Autodesk has estimated the total number of DWG files in existence to be more than three billion.

AutoCAD currently runs exclusively on Microsoft desktop operating systems. Versions for Unix and Macintosh were released in the 1980s, but these were later dropped. AutoCAD can run on an emulator or compatibility layer like Virtual PC or Wine, keeping in mind the performance issues that can arise when working with 3-dimensional objects or large drawings. AutoCAD exists in 14 language localizations, including many European and Asian languages.

Resources:
http://usa.autodesk.com/adsk/servlet/home?siteID=123112&id=129446

http://www.fbe.unsw.edu.au/Learning/AutoCAD/
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» AutoCAD 2010 released by Autodesk for CNC specialists
By Super Admin | Published 02/18/2009 | AutoCAD | Unrated
Companies specialising in CNC machine tools and other forms of precision engineering will be interested to know that Autodesk has announced the release of its new AutoCAD 2010 software.
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» Investment casting pays dividends
By Super Admin | Published 01/5/2009 | AutoCAD | Unrated
Investment castings offer the best solution to achieving near to shape parts, with a high degree of dimensional accuracy and good surface finish, says the Dean Group International. And for less aesthetically demanding applications, commercial grade investment casting is a cost-effective alternative to sand casting.
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» AutoCAD VBA programming tools and techniques
By Super Admin | Published 09/13/2008 | AutoCAD | Unrated
AutoCAD VBA Programming Tools and Techniques. Bill Kramer and John Gibb. Miller Freeman, 55 Hawthorne, Suite 600, San Francisco, CA 94105. 1999. 366 pp., CDROM included. ISBN 0-87930574-6. $39.95.

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» Auto CAD
By article admin | Published 11/28/2007 | AutoCAD | Unrated
Here are the four views that CAD programs use to show a part.
Print Reading and Drafting
When I went through college I learned how to read prints and draft. We had a bag of physical tools that we purchased and hauled around campus.
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» The long and short of AutoCAD's PolyFace Mesh
By article admin | Published 05/18/2007 | AutoCAD | Unrated
AutoCAD has a polyface mesh entity (PFACE comand) which is capable of describing a mesh object, something that other CAD systems usually call "polygon mesh". Basically a collection of triangle and/or quad faces connected to each other by common vertices.
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