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Concept
Computer-generated imagery
Summary
Computer-generated imagery (CGI) is a specific-technology or application of computer graphics for creating or improving images in art, printed media, simulators, videos and video games. These images are either static (i.e. s) or dynamic (i.e. moving images). CGI both refers to 2D computer graphics and (more frequently) 3D computer graphics with the purpose of designing characters, virtual worlds, or scenes and special effects (in films, television programs, commercials, etc.). The application of CGI for creating/improving animations is called computer animation, or CGI animation.
The first feature film to use CGI as well as the composition of live-action film with CGI was Vertigo (1958), which used CGI in the opening credits of the film. The first feature film to make use of CGI with live action in the storyline of the film was the 1973 film Westworld. Other early films that incorporated CGI include Star Wars: Episode IV (1977), Tron (1982), Golgo 13: The Professional (1983), The Last Starfighter (1984), Young Sherlock Holmes (1985) and Toy Story (1995). The first music video to use CGI was Dire Straits's award-winning "Money for Nothing" (1985), whose success was instrumental in giving the process mainstream exposure.
The evolution of CGI led to the emergence of virtual cinematography in the 1990s, where the vision of the simulated camera is not constrained by the laws of physics. Availability of CGI software and increased computer speeds have allowed individual artists and small companies to produce professional-grade films, games, and fine art from their home computers.
Fractal landscape and Scenery generator
Not only do animated images form part of computer-generated imagery; natural looking landscapes (such as fractal landscapes) are also generated via computer algorithms. A simple way to generate fractal surfaces is to use an extension of the triangular mesh method, relying on the construction of some special case of a de Rham curve, e.g. midpoint displacement.
Official source
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