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critical analysis of the absence of interior - Bilkent University

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2.4.1.1 AutoCAD<br />

AutoCAD is a full-featured general purpose CAAD s<strong>of</strong>tware application for 2D and<br />

3D design and modeling by AutoDesk Inc. AutoDesk released <strong>the</strong> first version <strong>of</strong><br />

AutoCAD in 1982 for PCs (AutoCAD, 2007a).<br />

AutoCAD evolved from a very basic version that allows its users to draw only some<br />

primitives like lines, polylines, circles, arcs and text. It is also released as AutoCAD<br />

LT which is less featured or scaled down to spread <strong>the</strong> common use <strong>of</strong> AutoCAD for<br />

any 2D drawing facility with a fair price. Today, AutoCAD has a full set <strong>of</strong> solid<br />

modeling and 3D tools but, it still lacks some <strong>of</strong> <strong>the</strong> more advanced capabilities <strong>of</strong><br />

solid modeling applications.<br />

AutoCAD is varied by some vertical programs which address specific areas <strong>of</strong><br />

interest for diverse markets, such as AutoCAD Architecture, AutoCAD Electrical<br />

and AutoCAD Civil 3D (AutoCAD, 2007a). For instance, AutoCAD Architecture<br />

allows architectural designers to draw customized 3D objects such as walls and<br />

doors. Therefore, architectural designers do not utilize primitive objects unless any<br />

particular reason arises. Similarly, AutoCAD Civil Design, AutoCAD Mechanical,<br />

AutoCAD Electrical, AutoCAD Map 3D are o<strong>the</strong>r examples <strong>of</strong> specific CAAD<br />

applications rooted from AutoCAD (AutoCAD, 2007a).<br />

Fur<strong>the</strong>rmore, AutoCAD supports a number <strong>of</strong> application programming interfaces<br />

(API) to let developers extend its functionality (AutoCAD, 2007b). There also exists<br />

third-party AutoCAD based applications developed by o<strong>the</strong>r developers ra<strong>the</strong>r than<br />

<strong>the</strong> ones at AutoDesk.<br />

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