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'''CAD Software''' or computer-aided design software also known as computer-aided drafting software,is the use of computer systems to assist in the creation, modification, analysis, or optimization of a design. | |||
Computer-aided drafting describes the process of creating a technical drawing with the use of computer software.CAD software is used to increase the productivity of the designer, improve the quality of design, improve communications through documentation, and to create a database for manufacturing.CAD output is often in the form of electronic files for print or machining operations. CAD software uses either vector based graphics to depict the objects of traditional drafting, or may also produceraster graphics showing the overall appearance of designed objects. | |||
CAD often involves more than just shapes. As in the manual drafting of technical and engineering drawings, the output of CAD must convey information, such as materials, processes, dimensions, and tolerances, according to application-specific conventions. | |||
CAD may be used to design curves and figures in two-dimensional (2D) space; or curves, surfaces, and solids in three-dimensional (3D) space. | |||
CAD is an important industrial art extensively used in many applications, including automotive, shipbuilding, and aerospace industries, industrial and architectural design, prosthetics, and many more. CAD is also widely used to produce computer animation for special effects in movies, advertising and technical manuals. The modern ubiquity and power of computers means that even perfume bottles and shampoo dispensers are designed using techniques unheard of by engineers of the 1960s. Because of its enormous economic importance, CAD has been a major driving force for research incomputational geometry, computer graphics , and discrete differential geometry. | |||
The design of geometric models for object shapes, in particular, is occasionally called computer-aided geometric design (CAGD). | |||
While the goal of automated CAD systems is to increase efficiency, they are not necessarily the best way to allow newcomers to understand the geometrical principles of Solid Modeling. For this, scripting languages such as PLaSM (Programming Language of Solid Modeling) are more suitable. | |||