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From Wikipedia, the free encyclopedia

AutoCAD is a CAD (Computer Aided Design or Computer Aided Drafting) software application for 2D and 3Ddesign and drafting, developed and sold by Autodesk, Inc. Initially released in late 1982, AutoCAD was one of the first CAD programs to run on personal computers, and notably the IBM PC. Most CAD software at the time ran on graphics terminals connected to mainframe computers or mini-computers.

In earlier releases, AutoCAD used primitive entities — such as lines, polylines, circles, arcs, and text — as the foundation for more complex objects. Since the mid-1990s, AutoCAD has supported custom objects through its C++ API. Modern AutoCAD includes a full set of basic solid modeling and 3D tools. With the release of AutoCAD 2007 came improved 3D modeling functionality, which meant better navigation when working in 3D. Moreover, it became easier to edit 3D models. The mental rayengine was included in rendering, it was now possible to do quality renderings. AutoCAD 2010 introduced parametric functionality and mesh modeling.

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 AutoCAD Architecture, AutoCAD Electrical, AutoCAD Civil 3D, or third-party AutoCAD-based applications.

AutoCAD currently runs exclusively on Microsoft Windows desktop operating systems. It is available in 32-bit and in native 64-bit versions. Versions for Unix and Mac OS were released in the 1980s and 1990s, but these were later dropped. AutoCAD can run on an emulator or compatibility layer like VMware Workstation or Wine, albeit subject to various performance issues that can often arise when working with 3D objects or large drawings.

AutoCAD and AutoCAD LT are available for English, German, French, Italian, Spanish, Japanese, Korean, Chinese Simplified, Chinese Traditional, Russian, Czech, Polish, Hungarian, Brazilian Portuguese, Danish, Dutch, Swedish, Finnish, Norwegian and Vietnamese. The extent of localization varies from full translation of the product to documentation only. The AutoCAD command set is localized as a part of the software localization. ^[1]

AutoCAD LT

AutoCAD LT is a version of AutoCAD with more limited capabilities. It costs less (approx. US$1200 versus around US$4,000 for the full AutoCAD). In addition to being sold directly by Autodesk, it is also available for purchase at computer stores, unlike the full version of AutoCAD which must be purchased from an official Autodesk dealer. It was developed so that Autodesk could have an entry-level CAD package available to compete in that price class. AutoCAD LT is marketed as a CAD package for those who only need 2D functionality.

Compared to the full edition of AutoCAD, AutoCAD LT lacks several features: most notably, it has no 3D modeling capabilities (although it has several 3D viewing functions for looking at 3D models created in other CAD packages) and blocks the use of any programming interfaces, such as support for most third party programs and does not allow AutoLISP programs. Also, the Autodesk Raster Design 2010 Object Enabler cannot be installed in the LT version of AutoCAD, therefore images such as ECW or SID cannot be viewed in this version of AutoCAD. A full listing of differences is on the Autodesk website.^[2] AutoCAD LT originated by taking the codebase of AutoCAD and commenting out substantial portions,^{[citation needed]} which allowed AutoCAD and AutoCAD LT to be developed simultaneously.

Driver usb vibration joystick windows 8. As such, I can only guess that Windows 8.1's HID driver has a bug. This pad worked perfectly in Windows 8.0, and just to make sure it wasn't malfunctioning, I tested it on the computer downstairs running Windows 7 and it worked fine on it as well.

Student versions

AutoCAD is licensed at a significant discount over commercial retail pricing to qualifying students and teachers, with both a 14 month and perpetual license available. The student version of AutoCAD is functionally identical to the full commercial version, with one exception: DWG files created or edited by a student version have an internal bit-flag set (the 'educational flag'). When such a DWG file is printed by any version of AutoCAD (commercial or student), the output will include a plot stamp / banner on all four sides. Objects created in the Student Version cannot be used for commercial use. These Student Version objects will 'infect' a commercial version DWG file if imported^{[citation needed]}.

The Autodesk student community provides registered students with free access to different Autodesk applications.

Vertical programs

Autocad Dwg Viewer

Autodesk has also developed a few vertical programs, for discipline-specific enhancements. AutoCAD Architecture (formerly Architectural Desktop), for example, permits architectural designers to draw 3D objects such as walls, doors and windows, with more intelligent data associated with them, rather than simple objects such as lines and circles. The data can be programmed to represent specific architectural products sold in the construction industry, or extracted into a data file for pricing, materials estimation, and other values related to the objects represented. Additional tools allow designers to generate standard 2D drawings, such as elevations and sections, from a 3D architectural model. Similarly, Civil Design, Civil Design 3D, and Civil Design Professional allow>N/A91987, SeptemberDWG R9 file format introducedAutoCAD Release 10N/A101988, OctoberDWG R10 file format introducedAutoCAD Release 11N/A111990, OctoberDWG R11 file format introducedAutoCAD Release 12N/A121992, JuneDWG R11/R12 file format introduced; last release for Apple MacintoshAutoCAD Release 13N/A131994, NovemberDWG R13 file format introduced; last release for Unix, MS-DOS and Windows 3.11AutoCAD Release 14N/A141997, FebruaryDWG R14 file format introducedAutoCAD 200015.0151999, MarchDWG 2000 file format introducedAutoCAD 2000i15.1162000, JulyAutoCAD 200215.6172001, JuneAutoCAD 200416.0182003, MarchDWG 2004 file format introducedAutoCAD 200516.1192004, MarchAutoCAD 200616.2202005, MarchAutoCAD 200717.0212006, MarchDWG 2007 file format introducedAutoCAD 200817.1222007, Marchfirst release available for the x86-64 windows version of XP and VistaAutoCAD 200917.2232008, MarchAutoCAD 201018.0242009, March 24DWG 2010 file format introduced; introduction of parametrics and two 3D modeling topologies: mesh based and solid modeling

See also

Autocad Dwg Library

References

1. ^http://www.cadforum.cz/commands
2. ^http://images.autodesk.com/adsk/files/acadlt10_faq.pdf

External links

• AutoCAD History by Shaan Hurley
• Autodesk Student Community - Academic community and software download