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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. still images ) or dynamic (i.e. moving images).
Computer-generated usually refers to a sound or visual that has been created in whole or in part with the aid of computer software or computer hardware. Computer-generated may refer to: Computer animation; Computer art; Computer graphics; Computer-generated holography; Computer-generated imagery (CGI) Computer-generated music
CGI—Computer-generated imagery; CGT—Computational Graph Theory; CHAP—Challenge–handshake authentication protocol; CHS—Cylinder–head–sector;
[2] [3] It was first used in a computer game by the 1979 PLATO role-playing game Avatar. In Norman Spinrad's novel Songs from the Stars (1980), the term avatar is used in a description of a computer generated virtual experience. In the story, humans receive messages from an alien galactic network that wishes to share knowledge and experience ...
Computer animation is a digital successor to stop motion and traditional animation. Instead of a physical model or illustration, a digital equivalent is manipulated frame-by-frame. Also, computer-generated animations allow a single graphic artist to produce such content without using actors, expensive set pieces, or props.
It is also referred to as CGI (Computer-generated imagery or computer-generated imaging), especially when used in films. Virtual entities may contain and be controlled by assorted attributes, such as transform values (location, orientation, and scale) stored in an object's transformation matrix. Animation is the change of an attribute over time.
These may be generated manually in bare metal programming, or managed by low level rendering APIs, or handled internally by high level rendering APIs. Command list A group of rendering commands ready for submission to a graphics processing unit, see also Command buffer. Compute API An API for efficiently processing large amounts of data. [9 ...
Today, computer simulation games such as World of Warcraft are played by millions of people around the world. In 1993, the film Jurassic Park became the first popular film to use computer-generated graphics extensively, integrating the simulated dinosaurs almost seamlessly into live action scenes.