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Computer-aided architectural design


Computer-aided architectural design (CAAD) software programs are the repository of accurate and comprehensive records of buildings and are used by architects and architectural companies.

The first program was installed back in the 1960s, to help architects save time instead of drawing their blueprints. Computer-aided design also known as CAD was originally the type of program that architects used, but since CAD couldn’t offer all the tools that architects needed to complete a project, CAAD developed as a distinct class of software.

All CAD and CAAD systems employ a database with geometric and other properties of objects; they all have some kind of graphic user interface to manipulate a visual representation rather than the database; and they are all more or less concerned with assembling designs from standard and non-standard pieces. Currently, the main distinction which causes one to speak of CAAD rather than CAD lies in the domain knowledge (architecture-specific objects, techniques, data, and process support) embedded in the system. A CAAD system differs from other CAD systems in two respects:

In a more general sense, CAAD also refers to the use of any computational technique in the field of architectural design other than by means of architecture-specific software. For example, software which is specifically developed for the computer animation industry (e.g. Maya and 3DStudio Max), is also used in architectural design. These programs can produce photo realistic 3d renders and animations. Nowadays real-time rendering is being popular thanks to the developments in graphic cards. The exact distinction of what properly belongs to CAAD is not always clear. Specialized software, for example for calculating structures by means of the finite element method, is used in architectural design and in that sense may fall under CAAD. On the other hand, such software is seldom used to create new designs.

In 1974 Caad became a current word and was a common topic of commercial modernization.


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